Merge pull request #796 from netbox-community/develop

Version 2.0.0
2022-07-12 18:10:25 +02:00 · 2022-07-12 18:10:25 +02:00 · b45934cd9e
parent 61a3afbb3b fceb6e0e13
commit b45934cd9e
64 changed files with 1045 additions and 263 deletions
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@ -17,7 +17,9 @@ jobs:
      with:
        # Full git history is needed to get a proper list of changed files within `super-linter`
        fetch-depth: 0
-    - uses: actions/setup-python@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.9'
    - name: Lint Code Base
      uses: github/super-linter@v4
      env:
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -42,7 +42,7 @@ jobs:
    # docker.io
    -
      name: Login to docker.io
-      uses: docker/login-action@v1
+      uses: docker/login-action@v2
      with:
        registry: docker.io
        username: ${{ secrets.dockerhub_username }}
@ -56,7 +56,7 @@ jobs:
    # quay.io
    -
      name: Login to Quay.io
-      uses: docker/login-action@v1
+      uses: docker/login-action@v2
      with:
        registry: quay.io
        username: ${{ secrets.quayio_username }}
@ -72,7 +72,7 @@ jobs:
    # ghcr.io
    -
      name: Login to GitHub Container Registry
-      uses: docker/login-action@v1
+      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner }}
--- a/.hadolint.yaml
+++ b/.hadolint.yaml
@ -1,3 +1,4 @@
 ignored:
 - DL3006
- DL3018
+- DL3008
+- DL3003
--- a/118
+++ b/118
@ -1,45 +1,27 @@
 ARG FROM
 FROM ${FROM} as builder

-RUN apk add --no-cache \
-      bash \
-      build-base \
-      cargo \
+RUN export DEBIAN_FRONTEND=noninteractive \
+    && apt-get update -qq \
+    && apt-get upgrade \
+      --yes -qq --no-install-recommends \
+    && apt-get install \
+      --yes -qq --no-install-recommends \
+      build-essential \
      ca-certificates \
-      cmake \
-      cyrus-sasl-dev \
-      git \
-      graphviz \
-      jpeg-dev \
-      libevent-dev \
-      libffi-dev \
-      libxslt-dev \
-      make \
-      musl-dev \
-      openldap-dev \
-      postgresql-dev \
-      py3-pip \
+      libldap-dev \
+      libpq-dev \
+      libsasl2-dev \
+      libssl-dev \
      python3-dev \
+      python3-pip \
+      python3-venv \
    && python3 -m venv /opt/netbox/venv \
    && /opt/netbox/venv/bin/python3 -m pip install --upgrade \
      pip \
      setuptools \
      wheel

-# Build libcrc32c for google-crc32c python module
-RUN git clone https://github.com/google/crc32c \
-    && cd crc32c \
-    && git submodule update --init --recursive \
-    && mkdir build \
-    && cd build \
-    && cmake \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DCRC32C_BUILD_TESTS=no \
-        -DCRC32C_BUILD_BENCHMARKS=no \
-        -DBUILD_SHARED_LIBS=yes \
-        .. \
-    && make all install
-
 ARG NETBOX_PATH
 COPY ${NETBOX_PATH}/requirements.txt requirements-container.txt /
 RUN /opt/netbox/venv/bin/pip install \
@ -53,35 +35,37 @@ RUN /opt/netbox/venv/bin/pip install \
 ARG FROM
 FROM ${FROM} as main

-RUN apk add --no-cache \
-      bash \
+RUN export DEBIAN_FRONTEND=noninteractive \
+    && apt-get update -qq \
+    && apt-get upgrade \
+      --yes -qq --no-install-recommends \
+    && apt-get install \
+      --yes -qq --no-install-recommends \
      ca-certificates \
      curl \
-      graphviz \
-      libevent \
-      libffi \
-      libjpeg-turbo \
-      libxslt \
+      libpq5 \
      openssl \
-      postgresql-client \
-      postgresql-libs \
-      py3-pip \
      python3 \
+      python3-distutils \
      tini \
-      unit \
-      unit-python3
+    && curl -sL https://nginx.org/keys/nginx_signing.key \
+      > /etc/apt/trusted.gpg.d/nginx.asc && \
+    echo "deb https://packages.nginx.org/unit/debian/ bullseye unit" \
+      > /etc/apt/sources.list.d/unit.list \
+    && apt-get update -qq \
+    && apt-get install \
+      --yes -qq --no-install-recommends \
+      unit=1.27.0-1~bullseye \
+      unit-python3.9=1.27.0-1~bullseye \
+    && rm -rf /var/lib/apt/lists/*

-WORKDIR /opt
-
-COPY --from=builder /usr/local/lib/libcrc32c.* /usr/local/lib/
-COPY --from=builder /usr/local/include/crc32c /usr/local/include
-COPY --from=builder /usr/local/lib/cmake/Crc32c /usr/local/lib/cmake/
 COPY --from=builder /opt/netbox/venv /opt/netbox/venv

 ARG NETBOX_PATH
 COPY ${NETBOX_PATH} /opt/netbox

 COPY docker/configuration.docker.py /opt/netbox/netbox/netbox/configuration.py
+COPY docker/ldap_config.docker.py /opt/netbox/netbox/netbox/ldap_config.py
 COPY docker/docker-entrypoint.sh /opt/netbox/docker-entrypoint.sh
 COPY docker/housekeeping.sh /opt/netbox/housekeeping.sh
 COPY docker/launch-netbox.sh /opt/netbox/launch-netbox.sh
@ -101,26 +85,15 @@ RUN mkdir -p static /opt/unit/state/ /opt/unit/tmp/ \
          --config-file /opt/netbox/mkdocs.yml --site-dir /opt/netbox/netbox/project-static/docs/ \
      && SECRET_KEY="dummy" /opt/netbox/venv/bin/python /opt/netbox/netbox/manage.py collectstatic --no-input

-ENTRYPOINT [ "/sbin/tini", "--" ]
+ENV LANG=C.UTF-8
+ENTRYPOINT [ "/usr/bin/tini", "--" ]

 CMD [ "/opt/netbox/docker-entrypoint.sh", "/opt/netbox/launch-netbox.sh" ]

-LABEL ORIGINAL_TAG="" \
-      NETBOX_GIT_BRANCH="" \
-      NETBOX_GIT_REF="" \
-      NETBOX_GIT_URL="" \
-# See http://label-schema.org/rc1/#build-time-labels
-# Also https://microbadger.com/labels
-      org.label-schema.schema-version="1.0" \
-      org.label-schema.build-date="" \
-      org.label-schema.name="NetBox Docker" \
-      org.label-schema.description="A container based distribution of NetBox, the free and open IPAM and DCIM solution." \
-      org.label-schema.vendor="The netbox-docker contributors." \
-      org.label-schema.url="https://github.com/netbox-community/netbox-docker" \
-      org.label-schema.usage="https://github.com/netbox-community/netbox-docker/wiki" \
-      org.label-schema.vcs-url="https://github.com/netbox-community/netbox-docker.git" \
-      org.label-schema.vcs-ref="" \
-      org.label-schema.version="snapshot" \
+LABEL netbox.original-tag="" \
+      netbox.git-branch="" \
+      netbox.git-ref="" \
+      netbox.git-url="" \
 # See https://github.com/opencontainers/image-spec/blob/master/annotations.md#pre-defined-annotation-keys
      org.opencontainers.image.created="" \
      org.opencontainers.image.title="NetBox Docker" \
@ -132,17 +105,4 @@ LABEL ORIGINAL_TAG="" \
      org.opencontainers.image.documentation="https://github.com/netbox-community/netbox-docker/wiki" \
      org.opencontainers.image.source="https://github.com/netbox-community/netbox-docker.git" \
      org.opencontainers.image.revision="" \
-      org.opencontainers.image.version="snapshot"
-
-#####
-## LDAP specific configuration
-#####
-
-FROM main as ldap
-
-RUN apk add --no-cache \
-      libsasl \
-      libldap \
-      util-linux
-
-COPY docker/ldap_config.docker.py /opt/netbox/netbox/netbox/ldap_config.py
+      org.opencontainers.image.version=""
--- a/2
+++ b/2
@ -1 +1 @@
-1.6.1
+2.0.0
--- a/build.sh
+++ b/build.sh
@ -49,10 +49,10 @@ if [ "${1}x" == "x" ] || [ "${1}" == "--help" ] || [ "${1}" == "-h" ]; then
  echo "  DOCKERFILE  The name of Dockerfile to use."
  echo "              Default: Dockerfile"
  echo "  DOCKER_FROM The base image to use."
-  echo "              Default: 'alpine:3.14'"
+  echo "              Default: 'debian:11-slim'"
  echo "  DOCKER_TARGET A specific target to build."
  echo "              It's currently not possible to pass multiple targets."
-  echo "              Default: main ldap"
+  echo "              Default: main"
  echo "  HTTP_PROXY  The proxy to use for http requests."
  echo "              Example: http://proxy.domain.tld:3128"
  echo "              Default: undefined"
@ -170,7 +170,7 @@ fi
 # Determining the value for DOCKER_FROM
 ###
 if [ -z "$DOCKER_FROM" ]; then
-  DOCKER_FROM="alpine:3.14"
+  DOCKER_FROM="debian:11-slim"
 fi

 ###
@ -178,7 +178,7 @@ fi
 ###
 BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M+00:00')"

-if [ -d ".git" ]; then
+if [ -d ".git" ] && [ -z "${SKIP_GIT}" ]; then
  GIT_REF="$(git rev-parse HEAD)"
 fi

@ -186,7 +186,7 @@ fi
 PROJECT_VERSION="${PROJECT_VERSION-$(sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' VERSION)}"

 # Get the Git information from the netbox directory
-if [ -d "${NETBOX_PATH}/.git" ]; then
+if [ -d "${NETBOX_PATH}/.git" ] && [ -z "${SKIP_GIT}" ]; then
  NETBOX_GIT_REF=$(
    cd "${NETBOX_PATH}"
    git rev-parse HEAD
@ -222,7 +222,7 @@ esac
 ###
 # Determine targets to build
 ###
-DEFAULT_DOCKER_TARGETS=("main" "ldap")
+DEFAULT_DOCKER_TARGETS=("main")
 DOCKER_TARGETS=("${DOCKER_TARGET:-"${DEFAULT_DOCKER_TARGETS[@]}"}")
 echo "🏭 Building the following targets:" "${DOCKER_TARGETS[@]}"

@ -277,9 +277,9 @@ for DOCKER_TARGET in "${DOCKER_TARGETS[@]}"; do
    ###
    # Checking if the build is necessary,
    # meaning build only if one of those values changed:
-    # - Python base image digest (Label: PYTHON_BASE_DIGEST)
-    # - netbox git ref (Label: NETBOX_GIT_REF)
-    # - netbox-docker git ref (Label: org.label-schema.vcs-ref)
+    # - base image digest
+    # - netbox git ref (Label: netbox.git-ref)
+    # - netbox-docker git ref (Label: org.opencontainers.image.revision)
    ###
    # Load information from registry (only for docker.io)
    SHOULD_BUILD="false"
@ -295,14 +295,14 @@ for DOCKER_TARGET in "${DOCKER_TARGETS[@]}"; do
        # Need to use "library/..." for images the have no two part name
        DOCKER_FROM_SPLIT[0]="library/${DOCKER_FROM_SPLIT[0]}"
      fi
-      PYTHON_LAST_LAYER=$(get_image_last_layer "${DOCKER_FROM_SPLIT[0]}" "${DOCKER_FROM_SPLIT[1]}")
+      BASE_LAST_LAYER=$(get_image_last_layer "${DOCKER_FROM_SPLIT[0]}" "${DOCKER_FROM_SPLIT[1]}")
      mapfile -t IMAGES_LAYERS_OLD < <(get_image_layers "${DOCKER_ORG}"/"${DOCKER_REPO}" "${TAG}")
-      NETBOX_GIT_REF_OLD=$(get_image_label NETBOX_GIT_REF "${DOCKER_ORG}"/"${DOCKER_REPO}" "${TAG}")
-      GIT_REF_OLD=$(get_image_label org.label-schema.vcs-ref "${DOCKER_ORG}"/"${DOCKER_REPO}" "${TAG}")
+      NETBOX_GIT_REF_OLD=$(get_image_label netbox.git-ref "${DOCKER_ORG}"/"${DOCKER_REPO}" "${TAG}")
+      GIT_REF_OLD=$(get_image_label org.opencontainers.image.revision "${DOCKER_ORG}"/"${DOCKER_REPO}" "${TAG}")

-      if ! printf '%s\n' "${IMAGES_LAYERS_OLD[@]}" | grep -q -P "^${PYTHON_LAST_LAYER}\$"; then
+      if ! printf '%s\n' "${IMAGES_LAYERS_OLD[@]}" | grep -q -P "^${BASE_LAST_LAYER}\$"; then
        SHOULD_BUILD="true"
-        BUILD_REASON="${BUILD_REASON} alpine"
+        BUILD_REASON="${BUILD_REASON} debian"
      fi
      if [ "${NETBOX_GIT_REF}" != "${NETBOX_GIT_REF_OLD}" ]; then
        SHOULD_BUILD="true"
@ -335,30 +335,25 @@ for DOCKER_TARGET in "${DOCKER_TARGETS[@]}"; do

    # --label
    DOCKER_BUILD_ARGS+=(
-      --label "ORIGINAL_TAG=${TARGET_DOCKER_TAG_PROJECT}"
-
-      --label "org.label-schema.build-date=${BUILD_DATE}"
+      --label "netbox.original-tag=${TARGET_DOCKER_TAG_PROJECT}"
      --label "org.opencontainers.image.created=${BUILD_DATE}"
-
-      --label "org.label-schema.version=${PROJECT_VERSION}"
      --label "org.opencontainers.image.version=${PROJECT_VERSION}"
    )
    if [ -d ".git" ]; then
      DOCKER_BUILD_ARGS+=(
-        --label "org.label-schema.vcs-ref=${GIT_REF}"
        --label "org.opencontainers.image.revision=${GIT_REF}"
      )
    fi
    if [ -d "${NETBOX_PATH}/.git" ]; then
      DOCKER_BUILD_ARGS+=(
-        --label "NETBOX_GIT_BRANCH=${NETBOX_GIT_BRANCH}"
-        --label "NETBOX_GIT_REF=${NETBOX_GIT_REF}"
-        --label "NETBOX_GIT_URL=${NETBOX_GIT_URL}"
+        --label "netbox.git-branch=${NETBOX_GIT_BRANCH}"
+        --label "netbox.git-ref=${NETBOX_GIT_REF}"
+        --label "netbox.git-url=${NETBOX_GIT_URL}"
      )
    fi
    if [ -n "${BUILD_REASON}" ]; then
      BUILD_REASON=$(sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' <<<"$BUILD_REASON")
-      DOCKER_BUILD_ARGS+=(--label "BUILD_REASON=${BUILD_REASON}")
+      DOCKER_BUILD_ARGS+=(--label "netbox.build-reason=${BUILD_REASON}")
    fi

    # --build-arg
@ -385,7 +380,7 @@ for DOCKER_TARGET in "${DOCKER_TARGETS[@]}"; do
      $DRY docker build "${DOCKER_BUILD_ARGS[@]}" .
      echo "✅ Finished building the Docker images '${TARGET_DOCKER_TAG_PROJECT}'"
      echo "🔎 Inspecting labels on '${TARGET_DOCKER_TAG_PROJECT}'"
-      $DRY docker inspect "${TARGET_DOCKER_TAG_PROJECT}" --format "{{json .Config.Labels}}"
+      $DRY docker inspect "${TARGET_DOCKER_TAG_PROJECT}" --format "{{json .Config.Labels}}" | jq
    else
      echo "Build skipped because sources didn't change"
      echo "::set-output name=skipped::true"
--- a/configuration/configuration.py
+++ b/configuration/configuration.py
@ -120,6 +120,11 @@ CORS_ORIGIN_ALLOW_ALL = environ.get('CORS_ORIGIN_ALLOW_ALL', 'False').lower() ==
 CORS_ORIGIN_WHITELIST = list(filter(None, environ.get('CORS_ORIGIN_WHITELIST', 'https://localhost').split(' ')))
 CORS_ORIGIN_REGEX_WHITELIST = [re.compile(r) for r in list(filter(None, environ.get('CORS_ORIGIN_REGEX_WHITELIST', '').split(' ')))]

+# Cross-Site-Request-Forgery-Attack settings. If Netbox is sitting behind a reverse proxy, you might need to set the CSRF_TRUSTED_ORIGINS flag.
+# Django 4.0 requires to specify the URL Scheme in this setting. An example environment variable could be specified like:
+# CSRF_TRUSTED_ORIGINS=https://demo.netbox.dev http://demo.netbox.dev
+CSRF_TRUSTED_ORIGINS = list(filter(None, environ.get('CSRF_TRUSTED_ORIGINS', '').split(' ')))
+
 # Set to True to enable server debugging. WARNING: Debugging introduces a substantial performance penalty and may reveal
 # sensitive information about your installation. Only enable debugging while performing testing. Never enable debugging
 # on a production system.
@ -165,6 +170,9 @@ LOGIN_TIMEOUT = int(environ.get('LOGIN_TIMEOUT', 1209600))
 # Setting this to True will display a "maintenance mode" banner at the top of every page.
 MAINTENANCE_MODE = environ.get('MAINTENANCE_MODE', 'False').lower() == 'true'

+# Maps provider
+MAPS_URL = environ.get('MAPS_URL', None)
+
 # An API consumer can request an arbitrary number of objects =by appending the "limit" parameter to the URL (e.g.
 # "?limit=1000"). This setting defines the maximum limit. Setting it to 0 or None will allow an API consumer to request
 # all objects by specifying "?limit=0".
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@ -21,14 +21,14 @@ services:
    image: postgres:14-alpine
    env_file: env/postgres.env
  redis:
-    image: redis:6-alpine
+    image: redis:7-alpine
    command:
    - sh
    - -c # this is to evaluate the $REDIS_PASSWORD from the env
    - redis-server --appendonly yes --requirepass $$REDIS_PASSWORD ## $$ because of docker-compose
    env_file: env/redis.env
  redis-cache:
-    image: redis:6-alpine
+    image: redis:7-alpine
    command:
    - sh
    - -c # this is to evaluate the $REDIS_PASSWORD from the env
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -1,7 +1,7 @@
 version: '3.4'
 services:
  netbox: &netbox
-    image: netboxcommunity/netbox:${VERSION-v3.2-1.6.1}
+    image: netboxcommunity/netbox:${VERSION-v3.2-2.0.0}
    depends_on:
    - postgres
    - redis
@ -42,7 +42,7 @@ services:

  # redis
  redis:
-    image: redis:6-alpine
+    image: redis:7-alpine
    command:
    - sh
    - -c # this is to evaluate the $REDIS_PASSWORD from the env
@ -51,7 +51,7 @@ services:
    volumes:
    - netbox-redis-data:/data
  redis-cache:
-    image: redis:6-alpine
+    image: redis:7-alpine
    command:
    - sh
    - -c # this is to evaluate the $REDIS_PASSWORD from the env
--- a/docker/nginx-unit.json
+++ b/docker/nginx-unit.json
@ -11,7 +11,7 @@
        "uri": "/static/*"
      },
      "action": {
-        "share": "/opt/netbox/netbox"
+        "share": "/opt/netbox/netbox${uri}"
      }
    },

--- a/initializers/cables.yml
+++ b/initializers/cables.yml
@ -0,0 +1,71 @@
+# # Required parameters for termination X ('a' or 'b'):
+# #
+# # ```
+# #   termination_x_name -> name of interface
+# #   termination_x_device -> name of the device interface belongs to
+# #   termination_x_class -> required if different than 'Interface' which is the default
+# # ```
+# #
+# # Supported termination classes: Interface, ConsolePort, ConsoleServerPort, FrontPort, RearPort, PowerPort, PowerOutlet
+# #
+# #
+# # If a termination is a circuit then the required parameter is termination_x_circuit.
+# # Required parameters for a circuit termination:
+# #
+# # ```
+# # termination_x_circuit:
+# #   term_side -> termination side of a circuit. Must be A or B
+# #   cid -> circuit ID value
+# #   site OR provider_network -> name of Site or ProviderNetwork respectively. If both provided, Site takes precedence
+# # ```
+# #
+# # If a termination is a power feed then the required parameter is termination_x_feed.
+# #
+# # ```
+# #   termination_x_feed:
+# #     name -> name of the PowerFeed object
+# #     power_panel:
+# #       name -> name of the PowerPanel the PowerFeed is attached to
+# #       site -> name of the Site in which the PowerPanel is present
+# # ```
+# #
+# # Any other Cable parameters supported by Netbox are supported as the top level keys, e.g. 'type', 'status', etc.
+# #
+# # - termination_a_name: console
+# #   termination_a_device: spine
+# #   termination_a_class: ConsolePort
+# #   termination_b_name: tty9
+# #   termination_b_device: console-server
+# #   termination_b_class: ConsoleServerPort
+# #   type: cat6
+# #
+# - termination_a_name: to-server02
+#   termination_a_device: server01
+#   termination_b_name: to-server01
+#   termination_b_device: server02
+#   status: planned
+#   type: mmf
+
+# - termination_a_name: eth0
+#   termination_a_device: server02
+#   termination_b_circuit:
+#     term_side: A
+#     cid: Circuit_ID-1
+#     site: AMS 1
+#   type: cat6
+
+# - termination_a_name: psu0
+#   termination_a_device: server04
+#   termination_a_class: PowerPort
+#   termination_b_feed:
+#     name: power feed 1
+#     power_panel:
+#       name: power panel AMS 1
+#       site: AMS 1
+
+# - termination_a_name: outlet1
+#   termination_a_device: server04
+#   termination_a_class: PowerOutlet
+#   termination_b_name: psu1
+#   termination_b_device: server04
+#   termination_b_class: PowerPort
--- a/initializers/contact_groups.yml
+++ b/initializers/contact_groups.yml
@ -0,0 +1,7 @@
+# - name: Network-Team
+#   slug: network-team
+#   description: This is a new contact group for the Network-Team
+# - name: New Contact Group
+#   slug: new-contact-group
+#   description: This is a new contact group sub under of Network-Team
+#   parent: Network-Team
--- a/initializers/contact_roles.yml
+++ b/initializers/contact_roles.yml
@ -0,0 +1,3 @@
+# - name: New Contact Role
+#   slug: new-contact-role
+#   description: This is a new contact role description
--- a/initializers/contacts.yml
+++ b/initializers/contacts.yml
@ -0,0 +1,20 @@
+# - name: Lee Widget
+#   title: CEO of Widget Corp
+#   phone: 221-555-1212
+#   email: widgetCEO@widgetcorp.com
+#   address: 1200 Nowhere Blvd, Scranton NJ, 555111
+#   comments: This is a very important contact
+# - name: Ali Gator
+#   group: Network-Team
+#   title: Consultant for Widget Corp
+#   phone: 221-555-1213
+#   email: Consultant@widgetcorp.com
+#   address: 1200 Nowhere Blvd, Scranton NJ, 555111
+#   comments: This is a very important contact
+# - name: Karlchen Maier
+#   group: New Contact Group
+#   title: COO of Widget Corp
+#   phone: 221-555-1214
+#   email: Karlchen@widgetcorp.com
+#   address: 1200 Nowhere Blvd, Scranton NJ, 555111
+#   comments: This is a very important contact
--- a/initializers/dcim_interfaces.yml
+++ b/initializers/dcim_interfaces.yml
@ -8,11 +8,28 @@
 ##
 ## Examples:

+# - device: server01
+#   name: ath0
+#   type: 1000base-t
+#   lag: ae0
+#   bridge: br0
+# - device: server01
+#   name: ath1
+#   type: 1000base-t
+#   parent: ath0
 # - device: server01
 #   enabled: true
-#   type: virtual
+#   type: 1000base-x-sfp
 #   name: to-server02
 # - device: server02
 #   enabled: true
-#   type: virtual
+#   type: 1000base-x-sfp
 #   name: to-server01
+# - device: server02
+#   enabled: true
+#   type: 1000base-t
+#   name: eth0
+# - device: server02
+#   enabled: true
+#   type: virtual
+#   name: loopback
--- a/initializers/device_types.yml
+++ b/initializers/device_types.yml
@ -21,3 +21,37 @@
 #   slug: other
 #   custom_field_data:
 #     text_field: Description
+#   interfaces:
+#     - name: eth0
+#       type: 1000base-t
+#       mgmt_only: True
+#     - name: eth1
+#       type: 1000base-t
+#   console_server_ports:
+#     - name_template: ttyS[1-48]
+#       type: rj-45
+#   power_ports:
+#     - name_template: psu[0,1]
+#       type: iec-60320-c14
+#       maximum_draw: 35
+#       allocated_draw: 35
+#   front_ports:
+#     - name_template: front[1,2]
+#       type: 8p8c
+#       rear_port_template: rear[0,1]
+#       rear_port_position_template: "[1,2]"
+#   rear_ports:
+#     - name_template: rear[0,1]
+#       type: 8p8c
+#       positions_template: "[3,2]"
+#   device_bays:
+#     - name: bay0 # both non-template and template field specified; non-template field takes precedence
+#       name_template: bay[0-9]
+#       label: test0
+#       label_template: test[0-5,9,6-8]
+#       description: Test description
+#   power_outlets:
+#     - name_template: outlet[0,1]
+#       type: iec-60320-c5
+#       power_port: psu0
+#       feed_leg: B
--- a/initializers/users.yml
+++ b/initializers/users.yml
@ -4,6 +4,7 @@
 #   password: reader
 # writer:
 #   password: writer
+#   api_token: "" # a token is generated automatically unless the value is explicity set to empty
 # jdoe:
 #   first_name: John
 #   last_name: Doe
--- a/requirements-container.txt
+++ b/requirements-container.txt
@ -1,5 +1,5 @@
-django-auth-ldap==4.0.0
+django-auth-ldap==4.1.0
 django-storages[azure,boto3,dropbox,google,libcloud,sftp]==1.12.3
-google-crc32c==1.3.0
-napalm==3.4.0
+napalm==4.0.0
+psycopg2==2.9.3
 ruamel.yaml==0.17.21
--- a/startup_scripts/000_users.py
+++ b/startup_scripts/000_users.py
@ -9,13 +9,17 @@ if users is None:
    sys.exit()

 for username, user_details in users.items():
-    if not User.objects.filter(username=username):
-        user = User.objects.create_user(
-            username=username,
-            password=user_details.get("password", 0) or User.objects.make_random_password(),
-        )
+
+    api_token = user_details.pop("api_token", Token.generate_key())
+    password = user_details.pop("password", User.objects.make_random_password())
+
+    user, created = User.objects.get_or_create(username=username, defaults=user_details)
+
+    if created:
+        user.set_password(password)
+        user.save()
+
+        if api_token:
+            Token.objects.get_or_create(user=user, key=api_token)

        print("👤 Created user", username)
-
-        if user_details.get("api_token", 0):
-            Token.objects.create(user=user, key=user_details["api_token"])
--- a/startup_scripts/020_object_permissions.py
+++ b/startup_scripts/020_object_permissions.py
@ -14,9 +14,11 @@ for permission_name, permission_details in object_permissions.items():

    object_permission, created = ObjectPermission.objects.get_or_create(
        name=permission_name,
-        description=permission_details["description"],
-        enabled=permission_details["enabled"],
-        actions=permission_details["actions"],
+        defaults={
+            "description": permission_details["description"],
+            "enabled": permission_details["enabled"],
+            "actions": permission_details["actions"],
+        },
    )

    if permission_details.get("object_types", 0):
--- a/startup_scripts/040_custom_links.py
+++ b/startup_scripts/040_custom_links.py
@ -2,7 +2,7 @@ import sys

 from django.contrib.contenttypes.models import ContentType
 from extras.models import CustomLink
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 custom_links = load_yaml("/opt/netbox/initializers/custom_links.yml")

@ -28,6 +28,8 @@ for link in custom_links:
        )
        continue

-    custom_link, created = CustomLink.objects.get_or_create(**link)
+    matching_params, defaults = split_params(link)
+    custom_link, created = CustomLink.objects.get_or_create(**matching_params, defaults=defaults)
+
    if created:
        print("🔗 Created Custom Link '{0}'".format(custom_link.name))
--- a/startup_scripts/050_tags.py
+++ b/startup_scripts/050_tags.py
@ -1,7 +1,7 @@
 import sys

 from extras.models import Tag
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from utilities.choices import ColorChoices

 tags = load_yaml("/opt/netbox/initializers/tags.yml")
@ -17,7 +17,8 @@ for params in tags:
            if color in color_tpl:
                params["color"] = color_tpl[0]

-    tag, created = Tag.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    tag, created = Tag.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🎨 Created Tag", tag.name)
--- a/startup_scripts/060_webhooks.py
+++ b/startup_scripts/060_webhooks.py
@ -2,7 +2,7 @@ import sys

 from django.contrib.contenttypes.models import ContentType
 from extras.models import Webhook
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 webhooks = load_yaml("/opt/netbox/initializers/webhooks.yml")

@ -26,7 +26,9 @@ for hook in webhooks:
    except ContentType.DoesNotExist:
        continue

-    webhook, created = Webhook.objects.get_or_create(**hook)
+    matching_params, defaults = split_params(hook)
+    webhook, created = Webhook.objects.get_or_create(**matching_params, defaults=defaults)
+
    if created:
        webhook.content_types.set(obj_type_ids)
        webhook.save()
--- a/startup_scripts/070_tenant_groups.py
+++ b/startup_scripts/070_tenant_groups.py
@ -1,6 +1,6 @@
 import sys

-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from tenancy.models import TenantGroup

 tenant_groups = load_yaml("/opt/netbox/initializers/tenant_groups.yml")
@ -9,7 +9,8 @@ if tenant_groups is None:
    sys.exit()

 for params in tenant_groups:
-    tenant_group, created = TenantGroup.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    tenant_group, created = TenantGroup.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🔳 Created Tenant Group", tenant_group.name)
--- a/startup_scripts/080_tenants.py
+++ b/startup_scripts/080_tenants.py
@ -1,6 +1,11 @@
 import sys

-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant, TenantGroup

 tenants = load_yaml("/opt/netbox/initializers/tenants.yml")
@ -20,9 +25,10 @@ for params in tenants:

            params[assoc] = model.objects.get(**query)

-    tenant, created = Tenant.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    tenant, created = Tenant.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(tenant, custom_field_data)
-
        print("👩‍💻 Created Tenant", tenant.name)
+
+    set_custom_fields_values(tenant, custom_field_data)
--- a/startup_scripts/090_regions.py
+++ b/startup_scripts/090_regions.py
@ -1,7 +1,7 @@
 import sys

 from dcim.models import Region
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 regions = load_yaml("/opt/netbox/initializers/regions.yml")

@ -19,7 +19,8 @@ for params in regions:

            params[assoc] = model.objects.get(**query)

-    region, created = Region.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    region, created = Region.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🌐 Created region", region.name)
--- a/startup_scripts/110_sites.py
+++ b/startup_scripts/110_sites.py
@ -1,7 +1,12 @@
 import sys

 from dcim.models import Region, Site
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant

 sites = load_yaml("/opt/netbox/initializers/sites.yml")
@ -21,9 +26,10 @@ for params in sites:

            params[assoc] = model.objects.get(**query)

-    site, created = Site.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    site, created = Site.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(site, custom_field_data)
-
        print("📍 Created site", site.name)
+
+    set_custom_fields_values(site, custom_field_data)
--- a/startup_scripts/120_locations.py
+++ b/startup_scripts/120_locations.py
@ -1,13 +1,14 @@
 import sys

 from dcim.models import Location, Site
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 rack_groups = load_yaml("/opt/netbox/initializers/locations.yml")

 if rack_groups is None:
    sys.exit()

+match_params = ["name", "slug", "site"]
 required_assocs = {"site": (Site, "name")}

 for params in rack_groups:
@ -17,7 +18,8 @@ for params in rack_groups:
        query = {field: params.pop(assoc)}
        params[assoc] = model.objects.get(**query)

-    location, created = Location.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    location, created = Location.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🎨 Created location", location.name)
--- a/startup_scripts/130_rack_roles.py
+++ b/startup_scripts/130_rack_roles.py
@ -1,7 +1,7 @@
 import sys

 from dcim.models import RackRole
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from utilities.choices import ColorChoices

 rack_roles = load_yaml("/opt/netbox/initializers/rack_roles.yml")
@ -17,7 +17,8 @@ for params in rack_roles:
            if color in color_tpl:
                params["color"] = color_tpl[0]

-    rack_role, created = RackRole.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    rack_role, created = RackRole.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🎨 Created rack role", rack_role.name)
--- a/startup_scripts/140_racks.py
+++ b/startup_scripts/140_racks.py
@ -1,7 +1,12 @@
 import sys

 from dcim.models import Location, Rack, RackRole, Site
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant

 racks = load_yaml("/opt/netbox/initializers/racks.yml")
@ -9,8 +14,8 @@ racks = load_yaml("/opt/netbox/initializers/racks.yml")
 if racks is None:
    sys.exit()

+match_params = ["name", "site"]
 required_assocs = {"site": (Site, "name")}
-
 optional_assocs = {
    "role": (RackRole, "name"),
    "tenant": (Tenant, "name"),
@ -33,9 +38,10 @@ for params in racks:

            params[assoc] = model.objects.get(**query)

-    rack, created = Rack.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    rack, created = Rack.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(rack, custom_field_data)
-
        print("🔳 Created rack", rack.site, rack.name)
+
+    set_custom_fields_values(rack, custom_field_data)
--- a/startup_scripts/150_power_panels.py
+++ b/startup_scripts/150_power_panels.py
@ -1,15 +1,20 @@
 import sys

 from dcim.models import Location, PowerPanel, Site
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)

 power_panels = load_yaml("/opt/netbox/initializers/power_panels.yml")

 if power_panels is None:
    sys.exit()

+match_params = ["name", "site"]
 required_assocs = {"site": (Site, "name")}
-
 optional_assocs = {"location": (Location, "name")}

 for params in power_panels:
@ -28,9 +33,10 @@ for params in power_panels:

            params[assoc] = model.objects.get(**query)

-    power_panel, created = PowerPanel.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    power_panel, created = PowerPanel.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(power_panel, custom_field_data)
-
        print("⚡ Created Power Panel", power_panel.site, power_panel.name)
+
+    set_custom_fields_values(power_panel, custom_field_data)
--- a/startup_scripts/160_power_feeds.py
+++ b/startup_scripts/160_power_feeds.py
@ -1,15 +1,20 @@
 import sys

 from dcim.models import PowerFeed, PowerPanel, Rack
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)

 power_feeds = load_yaml("/opt/netbox/initializers/power_feeds.yml")

 if power_feeds is None:
    sys.exit()

+match_params = ["name", "power_panel"]
 required_assocs = {"power_panel": (PowerPanel, "name")}
-
 optional_assocs = {"rack": (Rack, "name")}

 for params in power_feeds:
@ -28,9 +33,10 @@ for params in power_feeds:

            params[assoc] = model.objects.get(**query)

-    power_feed, created = PowerFeed.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    power_feed, created = PowerFeed.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(power_feed, custom_field_data)
-
        print("⚡ Created Power Feed", power_feed.name)
+
+    set_custom_fields_values(power_feed, custom_field_data)
--- a/startup_scripts/170_manufacturers.py
+++ b/startup_scripts/170_manufacturers.py
@ -1,7 +1,7 @@
 import sys

 from dcim.models import Manufacturer
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 manufacturers = load_yaml("/opt/netbox/initializers/manufacturers.yml")

@ -9,7 +9,8 @@ if manufacturers is None:
    sys.exit()

 for params in manufacturers:
-    manufacturer, created = Manufacturer.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    manufacturer, created = Manufacturer.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🏭 Created Manufacturer", manufacturer.name)
--- a/startup_scripts/180_device_roles.py
+++ b/startup_scripts/180_device_roles.py
@ -1,7 +1,7 @@
 import sys

 from dcim.models import DeviceRole
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from utilities.choices import ColorChoices

 device_roles = load_yaml("/opt/netbox/initializers/device_roles.yml")
@ -18,7 +18,8 @@ for params in device_roles:
            if color in color_tpl:
                params["color"] = color_tpl[0]

-    device_role, created = DeviceRole.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    device_role, created = DeviceRole.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🎨 Created device role", device_role.name)
--- a/startup_scripts/190_device_types.py
+++ b/startup_scripts/190_device_types.py
@ -1,20 +1,95 @@
 import sys
+from typing import List

 from dcim.models import DeviceType, Manufacturer, Region
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from dcim.models.device_component_templates import (
+    ConsolePortTemplate,
+    ConsoleServerPortTemplate,
+    DeviceBayTemplate,
+    FrontPortTemplate,
+    InterfaceTemplate,
+    PowerOutletTemplate,
+    PowerPortTemplate,
+    RearPortTemplate,
+)
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant
+from utilities.forms.utils import expand_alphanumeric_pattern
+
+
+def expand_templates(params: List[dict], device_type: DeviceType) -> List[dict]:
+    templateable_fields = ["name", "label", "positions", "rear_port", "rear_port_position"]
+
+    expanded = []
+    for param in params:
+        param["device_type"] = device_type
+        expanded_fields = {}
+        has_plain_fields = False
+
+        for field in templateable_fields:
+            template_value = param.pop(f"{field}_template", None)
+
+            if field in param:
+                has_plain_fields = True
+            elif template_value:
+                expanded_fields[field] = list(expand_alphanumeric_pattern(template_value))
+
+        if expanded_fields and has_plain_fields:
+            raise ValueError(f"Mix of plain and template keys provided for {templateable_fields}")
+        elif not expanded_fields:
+            expanded.append(param)
+            continue
+
+        elements = list(expanded_fields.values())
+        master_len = len(elements[0])
+        if not all([len(elem) == master_len for elem in elements]):
+            raise ValueError(
+                f"Number of elements in template fields "
+                f"{list(expanded_fields.keys())} must be equal"
+            )
+
+        for idx in range(master_len):
+            tmp = param.copy()
+            for field, value in expanded_fields.items():
+                if field in nested_assocs:
+                    model, match_key = nested_assocs[field]
+                    query = {match_key: value[idx], "device_type": device_type}
+                    tmp[field] = model.objects.get(**query)
+                else:
+                    tmp[field] = value[idx]
+            expanded.append(tmp)
+    return expanded
+

 device_types = load_yaml("/opt/netbox/initializers/device_types.yml")

 if device_types is None:
    sys.exit()

+match_params = ["manufacturer", "model", "slug"]
 required_assocs = {"manufacturer": (Manufacturer, "name")}
-
 optional_assocs = {"region": (Region, "name"), "tenant": (Tenant, "name")}
+nested_assocs = {"rear_port": (RearPortTemplate, "name"), "power_port": (PowerPortTemplate, "name")}
+
+supported_components = {
+    "interfaces": (InterfaceTemplate, ["name"]),
+    "console_ports": (ConsolePortTemplate, ["name"]),
+    "console_server_ports": (ConsoleServerPortTemplate, ["name"]),
+    "power_ports": (PowerPortTemplate, ["name"]),
+    "power_outlets": (PowerOutletTemplate, ["name"]),
+    "rear_ports": (RearPortTemplate, ["name"]),
+    "front_ports": (FrontPortTemplate, ["name"]),
+    "device_bays": (DeviceBayTemplate, ["name"]),
+}

 for params in device_types:
    custom_field_data = pop_custom_fields(params)
+    components = [(v[0], v[1], params.pop(k, [])) for k, v in supported_components.items()]

    for assoc, details in required_assocs.items():
        model, field = details
@ -29,9 +104,36 @@ for params in device_types:

            params[assoc] = model.objects.get(**query)

-    device_type, created = DeviceType.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    device_type, created = DeviceType.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
+        print("🔡 Created device type", device_type.manufacturer, device_type.model)
+
    set_custom_fields_values(device_type, custom_field_data)

-        print("🔡 Created device type", device_type.manufacturer, device_type.model)
+    for component in components:
+        c_model, c_match_params, c_params = component
+        c_match_params.append("device_type")
+
+        if not c_params:
+            continue
+
+        expanded_c_params = expand_templates(c_params, device_type)
+
+        for n_assoc, n_details in nested_assocs.items():
+            n_model, n_field = n_details
+            for c_param in expanded_c_params:
+                if n_assoc in c_param:
+                    n_query = {n_field: c_param[n_assoc], "device_type": device_type}
+                    c_param[n_assoc] = n_model.objects.get(**n_query)
+
+        for new_param in expanded_c_params:
+            new_matching_params, new_defaults = split_params(new_param, c_match_params)
+            new_obj, new_obj_created = c_model.objects.get_or_create(
+                **new_matching_params, defaults=new_defaults
+            )
+            if new_obj_created:
+                print(
+                    f"🧷  Created {c_model._meta} {new_obj} component for device type {device_type}"
+                )
--- a/startup_scripts/200_devices.py
+++ b/startup_scripts/200_devices.py
@ -1,7 +1,12 @@
 import sys

 from dcim.models import Device, DeviceRole, DeviceType, Location, Platform, Rack, Site
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant
 from virtualization.models import Cluster

@ -10,12 +15,12 @@ devices = load_yaml("/opt/netbox/initializers/devices.yml")
 if devices is None:
    sys.exit()

+match_params = ["device_type", "name", "site"]
 required_assocs = {
    "device_role": (DeviceRole, "name"),
    "device_type": (DeviceType, "model"),
    "site": (Site, "name"),
 }
-
 optional_assocs = {
    "tenant": (Tenant, "name"),
    "platform": (Platform, "name"),
@ -27,7 +32,7 @@ optional_assocs = {
 for params in devices:
    custom_field_data = pop_custom_fields(params)

-    # primary ips are handled later in `270_primary_ips.py`
+    # primary ips are handled later in `380_primary_ips.py`
    params.pop("primary_ip4", None)
    params.pop("primary_ip6", None)

@ -44,9 +49,10 @@ for params in devices:

            params[assoc] = model.objects.get(**query)

-    device, created = Device.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    device, created = Device.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(device, custom_field_data)
-
        print("🖥️  Created device", device.name)
+
+    set_custom_fields_values(device, custom_field_data)
--- a/startup_scripts/210_dcim_interfaces.py
+++ b/startup_scripts/210_dcim_interfaces.py
@ -1,27 +1,70 @@
 import sys

 from dcim.models import Device, Interface
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)

 interfaces = load_yaml("/opt/netbox/initializers/dcim_interfaces.yml")

 if interfaces is None:
    sys.exit()

+match_params = ["device", "name"]
 required_assocs = {"device": (Device, "name")}
+related_assocs = {
+    "bridge": (Interface, "name"),
+    "lag": (Interface, "name"),
+    "parent": (Interface, "name"),
+}

 for params in interfaces:
    custom_field_data = pop_custom_fields(params)

+    related_interfaces = {k: params.pop(k, None) for k in related_assocs}
+
    for assoc, details in required_assocs.items():
        model, field = details
        query = {field: params.pop(assoc)}

        params[assoc] = model.objects.get(**query)

-    interface, created = Interface.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    interface, created = Interface.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
+        print(f"🧷 Created interface {interface} on {interface.device}")
+
    set_custom_fields_values(interface, custom_field_data)

-        print("🧷 Created interface", interface.name, interface.device.name)
+    for related_field, related_value in related_interfaces.items():
+        if not related_value:
+            continue
+
+        r_model, r_field = related_assocs[related_field]
+
+        if related_field == "parent" and not interface.parent_id:
+            query = {r_field: related_value, "device": interface.device}
+            try:
+                related_obj = r_model.objects.get(**query)
+            except Interface.DoesNotExist:
+                print(f"⚠️ Could not find parent interface with: {query} for interface {interface}")
+                raise
+
+            interface.parent_id = related_obj.id
+            interface.save()
+            print(
+                f"🧷 Attached interface {interface} on {interface.device} "
+                f"to parent {related_obj}"
+            )
+        else:
+            query = {r_field: related_value, "device": interface.device, "type": related_field}
+            related_obj, rel_obj_created = r_model.objects.get_or_create(**query)
+
+            if rel_obj_created:
+                setattr(interface, f"{related_field}_id", related_obj.id)
+                interface.save()
+                print(f"🧷 Created {related_field} interface {interface} on {interface.device}")
--- a/startup_scripts/220_platforms.py
+++ b/startup_scripts/220_platforms.py
@ -1,7 +1,7 @@
 import sys

 from dcim.models import Manufacturer, Platform
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 platforms = load_yaml("/opt/netbox/initializers/platforms.yml")

@ -21,7 +21,8 @@ for params in platforms:

            params[assoc] = model.objects.get(**query)

-    platform, created = Platform.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    platform, created = Platform.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("💾 Created platform", platform.name)
--- a/startup_scripts/230_route_targets.py
+++ b/startup_scripts/230_route_targets.py
@ -1,7 +1,12 @@
 import sys

 from ipam.models import RouteTarget
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant

 route_targets = load_yaml("/opt/netbox/initializers/route_targets.yml")
@ -21,9 +26,10 @@ for params in route_targets:

            params[assoc] = model.objects.get(**query)

-    route_target, created = RouteTarget.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    route_target, created = RouteTarget.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(route_target, custom_field_data)
-
        print("🎯 Created Route Target", route_target.name)
+
+    set_custom_fields_values(route_target, custom_field_data)
--- a/startup_scripts/240_vrfs.py
+++ b/startup_scripts/240_vrfs.py
@ -1,7 +1,12 @@
 import sys

 from ipam.models import VRF
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant

 vrfs = load_yaml("/opt/netbox/initializers/vrfs.yml")
@ -9,6 +14,7 @@ vrfs = load_yaml("/opt/netbox/initializers/vrfs.yml")
 if vrfs is None:
    sys.exit()

+match_params = ["name", "rd"]
 optional_assocs = {"tenant": (Tenant, "name")}

 for params in vrfs:
@ -21,9 +27,10 @@ for params in vrfs:

            params[assoc] = model.objects.get(**query)

-    vrf, created = VRF.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    vrf, created = VRF.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(vrf, custom_field_data)
-
        print("📦 Created VRF", vrf.name)
+
+    set_custom_fields_values(vrf, custom_field_data)
--- a/startup_scripts/250_rirs.py
+++ b/startup_scripts/250_rirs.py
@ -1,7 +1,7 @@
 import sys

 from ipam.models import RIR
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 rirs = load_yaml("/opt/netbox/initializers/rirs.yml")

@ -9,7 +9,8 @@ if rirs is None:
    sys.exit()

 for params in rirs:
-    rir, created = RIR.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    rir, created = RIR.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🗺️ Created RIR", rir.name)
--- a/startup_scripts/260_asns.py
+++ b/startup_scripts/260_asns.py
@ -1,7 +1,7 @@
 import sys

 from ipam.models import ASN, RIR
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from tenancy.models import Tenant

 asns = load_yaml("/opt/netbox/initializers/asns.yml")
@ -9,8 +9,8 @@ asns = load_yaml("/opt/netbox/initializers/asns.yml")
 if asns is None:
    sys.exit()

+match_params = ["asn", "rir"]
 required_assocs = {"rir": (RIR, "name")}
-
 optional_assocs = {"tenant": (Tenant, "name")}

 for params in asns:
@ -27,7 +27,8 @@ for params in asns:

            params[assoc] = model.objects.get(**query)

-    asn, created = ASN.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    asn, created = ASN.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print(f"🔡 Created ASN {asn.asn}")
--- a/startup_scripts/270_aggregates.py
+++ b/startup_scripts/270_aggregates.py
@ -2,7 +2,12 @@ import sys

 from ipam.models import RIR, Aggregate
 from netaddr import IPNetwork
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant

 aggregates = load_yaml("/opt/netbox/initializers/aggregates.yml")
@ -10,8 +15,8 @@ aggregates = load_yaml("/opt/netbox/initializers/aggregates.yml")
 if aggregates is None:
    sys.exit()

+match_params = ["prefix", "rir"]
 required_assocs = {"rir": (RIR, "name")}
-
 optional_assocs = {
    "tenant": (Tenant, "name"),
 }
@ -34,9 +39,10 @@ for params in aggregates:

            params[assoc] = model.objects.get(**query)

-    aggregate, created = Aggregate.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    aggregate, created = Aggregate.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(aggregate, custom_field_data)
-
        print("🗞️ Created Aggregate", aggregate.prefix)
+
+    set_custom_fields_values(aggregate, custom_field_data)
--- a/startup_scripts/280_prefix_vlan_roles.py
+++ b/startup_scripts/280_prefix_vlan_roles.py
@ -1,7 +1,7 @@
 import sys

 from ipam.models import Role
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params

 roles = load_yaml("/opt/netbox/initializers/prefix_vlan_roles.yml")

@ -9,7 +9,8 @@ if roles is None:
    sys.exit()

 for params in roles:
-    role, created = Role.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    role, created = Role.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("⛹️‍ Created Prefix/VLAN Role", role.name)
--- a/startup_scripts/290_cluster_types.py
+++ b/startup_scripts/290_cluster_types.py
@ -1,6 +1,6 @@
 import sys

-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from virtualization.models import ClusterType

 cluster_types = load_yaml("/opt/netbox/initializers/cluster_types.yml")
@ -9,7 +9,8 @@ if cluster_types is None:
    sys.exit()

 for params in cluster_types:
-    cluster_type, created = ClusterType.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    cluster_type, created = ClusterType.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
        print("🧰 Created Cluster Type", cluster_type.name)
--- a/startup_scripts/300_cluster_groups.py
+++ b/startup_scripts/300_cluster_groups.py
@ -1,6 +1,6 @@
 import sys

-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from virtualization.models import ClusterGroup

 cluster_groups = load_yaml("/opt/netbox/initializers/cluster_groups.yml")
@ -9,7 +9,10 @@ if cluster_groups is None:
    sys.exit()

 for params in cluster_groups:
-    cluster_group, created = ClusterGroup.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    cluster_group, created = ClusterGroup.objects.get_or_create(
+        **matching_params, defaults=defaults
+    )

    if created:
        print("🗄️ Created Cluster Group", cluster_group.name)
--- a/startup_scripts/310_clusters.py
+++ b/startup_scripts/310_clusters.py
@ -1,7 +1,12 @@
 import sys

 from dcim.models import Site
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant
 from virtualization.models import Cluster, ClusterGroup, ClusterType

@ -10,8 +15,8 @@ clusters = load_yaml("/opt/netbox/initializers/clusters.yml")
 if clusters is None:
    sys.exit()

+match_params = ["name", "type"]
 required_assocs = {"type": (ClusterType, "name")}
-
 optional_assocs = {
    "site": (Site, "name"),
    "group": (ClusterGroup, "name"),
@ -34,9 +39,10 @@ for params in clusters:

            params[assoc] = model.objects.get(**query)

-    cluster, created = Cluster.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    cluster, created = Cluster.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(cluster, custom_field_data)
-
        print("🗄️ Created cluster", cluster.name)
+
+    set_custom_fields_values(cluster, custom_field_data)
--- a/startup_scripts/320_vlan_groups.py
+++ b/startup_scripts/320_vlan_groups.py
@ -2,7 +2,12 @@ import sys

 from django.contrib.contenttypes.models import ContentType
 from ipam.models import VLANGroup
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)

 vlan_groups = load_yaml("/opt/netbox/initializers/vlan_groups.yml")

@ -32,9 +37,11 @@ for params in vlan_groups:
                )
                continue
            params["scope_id"] = ct.model_class().objects.get(**query).id
-    vlan_group, created = VLANGroup.objects.get_or_create(**params)
+
+    matching_params, defaults = split_params(params)
+    vlan_group, created = VLANGroup.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(vlan_group, custom_field_data)
-
        print("🏘️ Created VLAN Group", vlan_group.name)
+
+    set_custom_fields_values(vlan_group, custom_field_data)
--- a/startup_scripts/330_vlans.py
+++ b/startup_scripts/330_vlans.py
@ -2,7 +2,12 @@ import sys

 from dcim.models import Site
 from ipam.models import VLAN, Role, VLANGroup
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant, TenantGroup

 vlans = load_yaml("/opt/netbox/initializers/vlans.yml")
@ -10,6 +15,7 @@ vlans = load_yaml("/opt/netbox/initializers/vlans.yml")
 if vlans is None:
    sys.exit()

+match_params = ["name", "vid"]
 optional_assocs = {
    "site": (Site, "name"),
    "tenant": (Tenant, "name"),
@ -28,9 +34,10 @@ for params in vlans:

            params[assoc] = model.objects.get(**query)

-    vlan, created = VLAN.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    vlan, created = VLAN.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(vlan, custom_field_data)
-
        print("🏠 Created VLAN", vlan.name)
+
+    set_custom_fields_values(vlan, custom_field_data)
--- a/startup_scripts/340_virtual_machines.py
+++ b/startup_scripts/340_virtual_machines.py
@ -1,7 +1,12 @@
 import sys

 from dcim.models import DeviceRole, Platform
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant
 from virtualization.models import Cluster, VirtualMachine

@ -10,8 +15,8 @@ virtual_machines = load_yaml("/opt/netbox/initializers/virtual_machines.yml")
 if virtual_machines is None:
    sys.exit()

+match_params = ["cluster", "name"]
 required_assocs = {"cluster": (Cluster, "name")}
-
 optional_assocs = {
    "tenant": (Tenant, "name"),
    "platform": (Platform, "name"),
@ -38,9 +43,12 @@ for params in virtual_machines:

            params[assoc] = model.objects.get(**query)

-    virtual_machine, created = VirtualMachine.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    virtual_machine, created = VirtualMachine.objects.get_or_create(
+        **matching_params, defaults=defaults
+    )

    if created:
-        set_custom_fields_values(virtual_machine, custom_field_data)
-
        print("🖥️ Created virtual machine", virtual_machine.name)
+
+    set_custom_fields_values(virtual_machine, custom_field_data)
--- a/startup_scripts/350_virtualization_interfaces.py
+++ b/startup_scripts/350_virtualization_interfaces.py
@ -1,6 +1,11 @@
 import sys

-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from virtualization.models import VirtualMachine, VMInterface

 interfaces = load_yaml("/opt/netbox/initializers/virtualization_interfaces.yml")
@ -8,6 +13,7 @@ interfaces = load_yaml("/opt/netbox/initializers/virtualization_interfaces.yml")
 if interfaces is None:
    sys.exit()

+match_params = ["name", "virtual_machine"]
 required_assocs = {"virtual_machine": (VirtualMachine, "name")}

 for params in interfaces:
@ -19,9 +25,10 @@ for params in interfaces:

        params[assoc] = model.objects.get(**query)

-    interface, created = VMInterface.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    interface, created = VMInterface.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(interface, custom_field_data)
-
        print("🧷 Created interface", interface.name, interface.virtual_machine.name)
+
+    set_custom_fields_values(interface, custom_field_data)
--- a/startup_scripts/360_prefixes.py
+++ b/startup_scripts/360_prefixes.py
@ -3,7 +3,12 @@ import sys
 from dcim.models import Site
 from ipam.models import VLAN, VRF, Prefix, Role
 from netaddr import IPNetwork
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant, TenantGroup

 prefixes = load_yaml("/opt/netbox/initializers/prefixes.yml")
@ -11,6 +16,7 @@ prefixes = load_yaml("/opt/netbox/initializers/prefixes.yml")
 if prefixes is None:
    sys.exit()

+match_params = ["prefix", "site", "vrf", "vlan"]
 optional_assocs = {
    "site": (Site, "name"),
    "tenant": (Tenant, "name"),
@ -31,9 +37,10 @@ for params in prefixes:
            query = {field: params.pop(assoc)}
            params[assoc] = model.objects.get(**query)

-    prefix, created = Prefix.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    prefix, created = Prefix.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(prefix, custom_field_data)
-
        print("📌 Created Prefix", prefix.prefix)
+
+    set_custom_fields_values(prefix, custom_field_data)
--- a/startup_scripts/370_ip_addresses.py
+++ b/startup_scripts/370_ip_addresses.py
@ -5,7 +5,12 @@ from django.contrib.contenttypes.models import ContentType
 from django.db.models import Q
 from ipam.models import VRF, IPAddress
 from netaddr import IPNetwork
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant
 from virtualization.models import VirtualMachine, VMInterface

@ -14,10 +19,11 @@ ip_addresses = load_yaml("/opt/netbox/initializers/ip_addresses.yml")
 if ip_addresses is None:
    sys.exit()

+match_params = ["address", "vrf"]
 optional_assocs = {
    "tenant": (Tenant, "name"),
    "vrf": (VRF, "name"),
-    "interface": (None, None),
+    "interface": (Interface, "name"),
 }

 vm_interface_ct = ContentType.objects.filter(
@ -55,9 +61,10 @@ for params in ip_addresses:

                params[assoc] = model.objects.get(**query)

-    ip_address, created = IPAddress.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    ip_address, created = IPAddress.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(ip_address, custom_field_data)
-
        print("🧬 Created IP Address", ip_address.address)
+
+    set_custom_fields_values(ip_address, custom_field_data)
--- a/startup_scripts/400_services.py
+++ b/startup_scripts/400_services.py
@ -2,7 +2,7 @@ import sys

 from dcim.models import Device
 from ipam.models import Service
-from startup_script_utils import load_yaml
+from startup_script_utils import load_yaml, split_params
 from virtualization.models import VirtualMachine

 services = load_yaml("/opt/netbox/initializers/services.yml")
@ -10,6 +10,7 @@ services = load_yaml("/opt/netbox/initializers/services.yml")
 if services is None:
    sys.exit()

+match_params = ["name", "device", "virtual_machine"]
 optional_assocs = {
    "device": (Device, "name"),
    "virtual_machine": (VirtualMachine, "name"),
@ -24,6 +25,7 @@ for params in services:

            params[assoc] = model.objects.get(**query)

+    matching_params, defaults = split_params(params, match_params)
    service, created = Service.objects.get_or_create(**params)

    if created:
--- a/startup_scripts/420_providers.py
+++ b/startup_scripts/420_providers.py
@ -1,7 +1,12 @@
 import sys

 from circuits.models import Provider
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)

 providers = load_yaml("/opt/netbox/initializers/providers.yml")

@ -11,9 +16,10 @@ if providers is None:
 for params in providers:
    custom_field_data = pop_custom_fields(params)

-    provider, created = Provider.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    provider, created = Provider.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(provider, custom_field_data)
-
        print("📡 Created provider", provider.name)
+
+    set_custom_fields_values(provider, custom_field_data)
--- a/startup_scripts/440_circuit_types.py
+++ b/startup_scripts/440_circuit_types.py
@ -1,7 +1,12 @@
 import sys

 from circuits.models import CircuitType
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)

 circuit_types = load_yaml("/opt/netbox/initializers/circuit_types.yml")

@ -11,9 +16,10 @@ if circuit_types is None:
 for params in circuit_types:
    custom_field_data = pop_custom_fields(params)

-    circuit_type, created = CircuitType.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params)
+    circuit_type, created = CircuitType.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(circuit_type, custom_field_data)
-
        print("⚡ Created Circuit Type", circuit_type.name)
+
+    set_custom_fields_values(circuit_type, custom_field_data)
--- a/startup_scripts/450_circuits.py
+++ b/startup_scripts/450_circuits.py
@ -1,7 +1,12 @@
 import sys

 from circuits.models import Circuit, CircuitType, Provider
-from startup_script_utils import load_yaml, pop_custom_fields, set_custom_fields_values
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
 from tenancy.models import Tenant

 circuits = load_yaml("/opt/netbox/initializers/circuits.yml")
@ -9,8 +14,8 @@ circuits = load_yaml("/opt/netbox/initializers/circuits.yml")
 if circuits is None:
    sys.exit()

+match_params = ["cid", "provider", "type"]
 required_assocs = {"provider": (Provider, "name"), "type": (CircuitType, "name")}
-
 optional_assocs = {"tenant": (Tenant, "name")}

 for params in circuits:
@ -29,9 +34,10 @@ for params in circuits:

            params[assoc] = model.objects.get(**query)

-    circuit, created = Circuit.objects.get_or_create(**params)
+    matching_params, defaults = split_params(params, match_params)
+    circuit, created = Circuit.objects.get_or_create(**matching_params, defaults=defaults)

    if created:
-        set_custom_fields_values(circuit, custom_field_data)
-
        print("⚡ Created Circuit", circuit.cid)
+
+    set_custom_fields_values(circuit, custom_field_data)
--- a/startup_scripts/460_cables.py
+++ b/startup_scripts/460_cables.py
@ -0,0 +1,227 @@
+import sys
+from typing import Tuple
+
+from circuits.models import Circuit, CircuitTermination, ProviderNetwork
+from dcim.models import (
+    Cable,
+    ConsolePort,
+    ConsoleServerPort,
+    FrontPort,
+    Interface,
+    PowerFeed,
+    PowerOutlet,
+    PowerPanel,
+    PowerPort,
+    RearPort,
+    Site,
+)
+from django.contrib.contenttypes.models import ContentType
+from django.db.models import Q
+from startup_script_utils import load_yaml
+
+CONSOLE_PORT_TERMINATION = ContentType.objects.get_for_model(ConsolePort)
+CONSOLE_SERVER_PORT_TERMINATION = ContentType.objects.get_for_model(ConsoleServerPort)
+FRONT_PORT_TERMINATION = ContentType.objects.get_for_model(FrontPort)
+REAR_PORT_TERMINATION = ContentType.objects.get_for_model(RearPort)
+FRONT_AND_REAR = [FRONT_PORT_TERMINATION, REAR_PORT_TERMINATION]
+POWER_PORT_TERMINATION = ContentType.objects.get_for_model(PowerPort)
+POWER_OUTLET_TERMINATION = ContentType.objects.get_for_model(PowerOutlet)
+POWER_FEED_TERMINATION = ContentType.objects.get_for_model(PowerFeed)
+POWER_TERMINATIONS = [POWER_PORT_TERMINATION, POWER_OUTLET_TERMINATION, POWER_FEED_TERMINATION]
+
+VIRTUAL_INTERFACES = ["bridge", "lag", "virtual"]
+
+
+def get_termination_object(params: dict, side: str):
+    klass = params.pop(f"termination_{side}_class")
+    name = params.pop(f"termination_{side}_name", None)
+    device = params.pop(f"termination_{side}_device", None)
+    feed_params = params.pop(f"termination_{side}_feed", None)
+    circuit_params = params.pop(f"termination_{side}_circuit", {})
+
+    if name and device:
+        termination = klass.objects.get(name=name, device__name=device)
+        return termination
+    elif feed_params:
+        q = {
+            "name": feed_params["power_panel"]["name"],
+            "site__name": feed_params["power_panel"]["site"],
+        }
+        power_panel = PowerPanel.objects.get(**q)
+        termination = PowerFeed.objects.get(name=feed_params["name"], power_panel=power_panel)
+        return termination
+    elif circuit_params:
+        circuit = Circuit.objects.get(cid=circuit_params.pop("cid"))
+        term_side = circuit_params.pop("term_side").upper()
+
+        site_name = circuit_params.pop("site", None)
+        provider_network = circuit_params.pop("provider_network", None)
+
+        if site_name:
+            circuit_params["site"] = Site.objects.get(name=site_name)
+        elif provider_network:
+            circuit_params["provider_network"] = ProviderNetwork.objects.get(name=provider_network)
+        else:
+            raise ValueError(
+                f"⚠️ Missing one of required parameters: 'site' or 'provider_network' "
+                f"for side {term_side} of circuit {circuit}"
+            )
+
+        termination, created = CircuitTermination.objects.get_or_create(
+            circuit=circuit, term_side=term_side, defaults=circuit_params
+        )
+        if created:
+            print(f"⚡ Created new CircuitTermination {termination}")
+
+        return termination
+
+    raise ValueError(
+        f"⚠️ Missing parameters for termination_{side}. "
+        "Need termination_{side}_name AND termination_{side}_device OR termination_{side}_circuit"
+    )
+
+
+def get_termination_class_by_name(port_class: str):
+    if not port_class:
+        return Interface
+
+    return globals()[port_class]
+
+
+def cable_in_cables(term_a: tuple, term_b: tuple) -> bool:
+    """Check if cable exist for given terminations.
+    Each tuple should consist termination object and termination type
+    """
+
+    cable = Cable.objects.filter(
+        Q(
+            termination_a_id=term_a[0].id,
+            termination_a_type=term_a[1],
+            termination_b_id=term_b[0].id,
+            termination_b_type=term_b[1],
+        )
+        | Q(
+            termination_a_id=term_b[0].id,
+            termination_a_type=term_b[1],
+            termination_b_id=term_a[0].id,
+            termination_b_type=term_a[1],
+        )
+    )
+    return cable.exists()
+
+
+def check_termination_types(type_a, type_b) -> Tuple[bool, str]:
+    if type_a in POWER_TERMINATIONS and type_b in POWER_TERMINATIONS:
+        if type_a == type_b:
+            return False, "Can't connect the same power terminations together"
+        elif (
+            type_a == POWER_OUTLET_TERMINATION
+            and type_b == POWER_FEED_TERMINATION
+            or type_a == POWER_FEED_TERMINATION
+            and type_b == POWER_OUTLET_TERMINATION
+        ):
+            return False, "PowerOutlet can't be connected with PowerFeed"
+    elif type_a in POWER_TERMINATIONS or type_b in POWER_TERMINATIONS:
+        return False, "Can't mix power terminations with port terminations"
+    elif type_a in FRONT_AND_REAR or type_b in FRONT_AND_REAR:
+        return True, ""
+    elif (
+        type_a == CONSOLE_PORT_TERMINATION
+        and type_b != CONSOLE_SERVER_PORT_TERMINATION
+        or type_b == CONSOLE_PORT_TERMINATION
+        and type_a != CONSOLE_SERVER_PORT_TERMINATION
+    ):
+        return False, "ConsolePorts can only be connected to ConsoleServerPorts or Front/Rear ports"
+    return True, ""
+
+
+def get_cable_name(termination_a: tuple, termination_b: tuple) -> str:
+    """Returns name of a cable in format:
+    device_a interface_a <---> interface_b device_b
+    or for circuits:
+    circuit_a termination_a <---> termination_b circuit_b
+    """
+    cable_name = []
+
+    for is_side_b, termination in enumerate([termination_a, termination_b]):
+        try:
+            power_panel_id = getattr(termination[0], "power_panel_id", None)
+            if power_panel_id:
+                power_feed = PowerPanel.objects.get(id=power_panel_id)
+                segment = [f"{power_feed}", f"{termination[0]}"]
+            else:
+                segment = [f"{termination[0].device}", f"{termination[0]}"]
+        except AttributeError:
+            segment = [f"{termination[0].circuit.cid}", f"{termination[0]}"]
+
+        if is_side_b:
+            segment.reverse()
+
+        cable_name.append(" ".join(segment))
+
+    return " <---> ".join(cable_name)
+
+
+def check_interface_types(*args):
+    for termination in args:
+        try:
+            if termination.type in VIRTUAL_INTERFACES:
+                raise Exception(
+                    f"⚠️ Virtual interfaces are not supported for cabling. "
+                    f"Termination {termination.device} {termination} {termination.type}"
+                )
+        except AttributeError:
+            # CircuitTermination doesn't have a type field
+            pass
+
+
+def check_terminations_are_free(*args):
+    any_failed = False
+    for termination in args:
+        if termination.cable_id:
+            any_failed = True
+            print(
+                f"⚠️ Termination {termination} is already occupied "
+                f"with cable #{termination.cable_id}"
+            )
+    if any_failed:
+        raise Exception("⚠️ At least one end of the cable is already occupied.")
+
+
+cables = load_yaml("/opt/netbox/initializers/cables.yml")
+
+if cables is None:
+    sys.exit()
+
+for params in cables:
+    params["termination_a_class"] = get_termination_class_by_name(params.get("termination_a_class"))
+    params["termination_b_class"] = get_termination_class_by_name(params.get("termination_b_class"))
+
+    term_a = get_termination_object(params, side="a")
+    term_b = get_termination_object(params, side="b")
+
+    check_interface_types(term_a, term_b)
+
+    term_a_ct = ContentType.objects.get_for_model(term_a)
+    term_b_ct = ContentType.objects.get_for_model(term_b)
+
+    types_ok, msg = check_termination_types(term_a_ct, term_b_ct)
+    cable_name = get_cable_name((term_a, term_a_ct), (term_b, term_b_ct))
+
+    if not types_ok:
+        print(f"⚠️ Invalid termination types for {cable_name}. {msg}")
+        continue
+
+    if cable_in_cables((term_a, term_a_ct), (term_b, term_b_ct)):
+        continue
+
+    check_terminations_are_free(term_a, term_b)
+
+    params["termination_a_id"] = term_a.id
+    params["termination_b_id"] = term_b.id
+    params["termination_a_type"] = term_a_ct
+    params["termination_b_type"] = term_b_ct
+
+    cable = Cable.objects.create(**params)
+
+    print(f"🧷 Created cable {cable} {cable_name}")
--- a/startup_scripts/470_contact_groups.py
+++ b/startup_scripts/470_contact_groups.py
@ -0,0 +1,36 @@
+import sys
+
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
+from tenancy.models import ContactGroup
+
+contact_groups = load_yaml("/opt/netbox/initializers/contact_groups.yml")
+
+if contact_groups is None:
+    sys.exit()
+
+optional_assocs = {"parent": (ContactGroup, "name")}
+
+for params in contact_groups:
+    custom_field_data = pop_custom_fields(params)
+
+    for assoc, details in optional_assocs.items():
+        if assoc in params:
+            model, field = details
+            query = {field: params.pop(assoc)}
+
+            params[assoc] = model.objects.get(**query)
+
+    matching_params, defaults = split_params(params)
+    contact_group, created = ContactGroup.objects.get_or_create(
+        **matching_params, defaults=defaults
+    )
+
+    if created:
+        print("🔳 Created Contact Group", contact_group.name)
+
+    set_custom_fields_values(contact_group, custom_field_data)
--- a/startup_scripts/480_contact_roles.py
+++ b/startup_scripts/480_contact_roles.py
@ -0,0 +1,26 @@
+import sys
+
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
+from tenancy.models import ContactRole
+
+contact_roles = load_yaml("/opt/netbox/initializers/contact_roles.yml")
+
+if contact_roles is None:
+    sys.exit()
+
+
+for params in contact_roles:
+    custom_field_data = pop_custom_fields(params)
+
+    matching_params, defaults = split_params(params)
+    contact_role, created = ContactRole.objects.get_or_create(**matching_params, defaults=defaults)
+
+    if created:
+        print("🔳 Created Contact Role", contact_role.name)
+
+    set_custom_fields_values(contact_role, custom_field_data)
--- a/startup_scripts/490_contacts.py
+++ b/startup_scripts/490_contacts.py
@ -0,0 +1,34 @@
+import sys
+
+from startup_script_utils import (
+    load_yaml,
+    pop_custom_fields,
+    set_custom_fields_values,
+    split_params,
+)
+from tenancy.models import Contact, ContactGroup
+
+contacts = load_yaml("/opt/netbox/initializers/contacts.yml")
+
+if contacts is None:
+    sys.exit()
+
+optional_assocs = {"group": (ContactGroup, "name")}
+
+for params in contacts:
+    custom_field_data = pop_custom_fields(params)
+
+    for assoc, details in optional_assocs.items():
+        if assoc in params:
+            model, field = details
+            query = {field: params.pop(assoc)}
+
+            params[assoc] = model.objects.get(**query)
+
+    matching_params, defaults = split_params(params)
+    contact, created = Contact.objects.get_or_create(**matching_params, defaults=defaults)
+
+    if created:
+        print("👩‍💻 Created Contact", contact.name)
+
+    set_custom_fields_values(contact, custom_field_data)
--- a/startup_scripts/startup_script_utils/init.py
+++ b/startup_scripts/startup_script_utils/init.py
@ -1,2 +1,3 @@
 from .custom_fields import pop_custom_fields, set_custom_fields_values
 from .load_yaml import load_yaml
+from .utils import split_params
--- a/startup_scripts/startup_script_utils/custom_fields.py
+++ b/startup_scripts/startup_script_utils/custom_fields.py
@ -1,9 +1,38 @@
+from django.contrib.contenttypes.models import ContentType
+from django.core.exceptions import ObjectDoesNotExist
+from extras.models import CustomField
+
+
 def set_custom_fields_values(entity, custom_field_data):
    if not custom_field_data:
        return

-    entity.custom_field_data = custom_field_data
-    return entity.save()
+    missing_cfs = []
+    save = False
+    for key, value in custom_field_data.items():
+        try:
+            cf = CustomField.objects.get(name=key)
+        except ObjectDoesNotExist:
+            missing_cfs.append(key)
+        else:
+            ct = ContentType.objects.get_for_model(entity)
+            if ct not in cf.content_types.all():
+                print(
+                    f"⚠️ Custom field {key} is not enabled for {entity}'s model!"
+                    "Please check the 'on_objects' for that custom field in custom_fields.yml"
+                )
+            elif key not in entity.custom_field_data:
+                entity.custom_field_data[key] = value
+                save = True
+
+    if missing_cfs:
+        raise Exception(
+            f"⚠️ Custom field(s) '{missing_cfs}' requested for {entity} but not found in Netbox!"
+            "Please chceck the custom_fields.yml"
+        )
+
+    if save:
+        entity.save()


 def pop_custom_fields(params):
--- a/startup_scripts/startup_script_utils/utils.py
+++ b/startup_scripts/startup_script_utils/utils.py
@ -0,0 +1,15 @@
+from typing import Tuple
+
+
+def split_params(params: dict, unique_params: list = None) -> Tuple[dict, dict]:
+    """Split params dict into dict with matching params and a dict with default values"""
+
+    if unique_params is None:
+        unique_params = ["name", "slug"]
+
+    matching_params = {}
+    for unique_param in unique_params:
+        param = params.pop(unique_param, None)
+        if param:
+            matching_params[unique_param] = param
+    return matching_params, params
 @ -1 +1 @@
 .6.1
 .0.0