repair CI form bug.

Not an easy branch to test, due to some rule checks that will avoid from running if not on "main" branch.
Tester might need to modify that, if wants to test.

.gitlab/deploy-job.yml

-############################################################################
-# This job needs a CI file with the name "NETBOX_LIST". JSON Format. e.g.:
-# ```
-# [
-#  {
-#    "netbox": "http://netbox.domain.com:8080",
-#    "token": "somenetboxtoken123456789",
-#    "description": "optinal_description_value"
-#  },
-#  {
-#    "netbox": "http://netbox.domain2.com:8082",
-#    "token": "somenetboxtoken123456789",
-#    "description": "testing_lab2"
-#  }
-# ]
-# ```
-############################################################################
-
-variables:
-  COMMIT_TAG:
-    value: $CI_COMMIT_TAG
-    options:
-      - $CI_COMMIT_TAG
-      - "test-deploy"
-    description: "Select tag 'test-deploy' to upload image to a Netbox. Make sure tag do not exists already on target."
-  NETBOX_URL:
-    value: "http://netbox.domain2.com:8080"
-    description: "Your target Netbox."
-  NETBOX_TOKEN:
-    value: "yourtestingtoken123456789"
-    description: "Token of your target Netbox."
-
-.default_deploy_rules:
-  rules:
-    # if manually triggered from CI forms
-    - if: $COMMIT_TAG == "test-deploy"
-      when: on_success
-    # if not main branch
-    - if: $CI_COMMIT_BRANCH != $CI_DEFAULT_BRANCH
-      when: never
-    # if tagged
-    - if: $CI_COMMIT_TAG
-      when: on_success
-
-deploy-job:
-  stage: deploy
-  variables:
-    REGISTRY: https://code.europa.eu:4567/v2/
-    REGISTRY_IMAGE_NETBOX: code.europa.eu:4567/digit-c4/netbox-plugins
-    REGISTRY_IMAGE: $CI_REGISTRY_IMAGE
-  before_script:
-    # print variables
-    - echo $REGISTRY_IMAGE
-    - echo $COMMIT_TAG
-    # requirements
-    - mkdir -p "$CI_PROJECT_DIR/opt_tmp/"
-    - sudo apt install jq -y
-    # decide list of netbox to target
-    - |
-      if [[ $COMMIT_TAG == "test-deploy" ]] ; then
-        # if running manually, then just prepare values from CI form.
-        echo '[{ "netbox": "'${NETBOX_URL%%[[:space:]]*}'", "token": "'${NETBOX_TOKEN%%[[:space:]]*}'" }]' > "$CI_PROJECT_DIR/opt_tmp/list.json"
-      else
-        # else, prepare full list of Netbox.
-        cat $NETBOX_LIST > "$CI_PROJECT_DIR/opt_tmp/list.json"
-      fi
-  script:
-    - |
-      # iterate over netbox's urls
-      for str1 in $(cat "$CI_PROJECT_DIR/opt_tmp/list.json" | jq -c '.[]')
-        do
-          # declare variables
-          NETBOX_URL=$(echo ${str1} | jq -r '.netbox')
-          NETBOX_TOKEN=$(echo ${str1} | jq -r '.token')
-          echo $NETBOX_URL
-          echo $NETBOX_TOKEN
-
-          # curl GET info from netbox
-          curl -X 'GET'   "${NETBOX_URL}/api/plugins/docker/hosts/" \
-          -H 'accept: application/json; indent=4' \
-          -H "Authorization: Token ${NETBOX_TOKEN}" \
-          > "$CI_PROJECT_DIR/opt_tmp/res.json"
-
-          # iterate over VMs with a Netbox inside.
-          for str2 in $(cat "$CI_PROJECT_DIR/opt_tmp/res.json" | \
-          jq ".results[] | select(.images[].name | contains( \"${REGISTRY_IMAGE_NETBOX}\" )) | .id" | \
-          uniq)
-            do
-              # VMs with a netbox (host_id).
-              NETBOX_PLUGIN_HOST_ID="${str2}"
-              echo $NETBOX_PLUGIN_HOST_ID
-
-              # curl POST image to netbox
-              curl -X 'POST'   "${NETBOX_URL}/api/plugins/docker/images/" \
-              -H 'accept: application/json; indent=4' \
-              -H 'Content-Type: application/json' \
-              -H "Authorization: Token ${NETBOX_TOKEN}" \
-              -d "{ \
-                \"name\": \"${REGISTRY_IMAGE}\", \
-                \"version\": \"${COMMIT_TAG}\", \
-                \"host\": \"${NETBOX_PLUGIN_HOST_ID}\", \
-                \"registry\": {\"serveraddress\": \"${REGISTRY}\"} \
-              }"
-            done
-        done
-    - echo "Ended."
-  after_script:
-    - rm -rf "$CI_PROJECT_DIR/opt_tmp/"
-  extends:
-    - .default_deploy_rules