{{- if eq .host.distro.family "linux" -}}
#!/usr/bin/env bash
# @file GitLab Runner Configuration
# @brief Registers GitLab Runner with the given GitLab instance
# @description
#     This script registers the machine where the script is run as a runner with the given GitLab instance or with the SaaS GitLab
#     if no instance information is provided.
#     The script configures the runner to use Docker Executor. Refer [this page](https://docs.gitlab.com/runner/executors/docker.html) for more details.
#
#     ## Secrets
#
#     The following chart details the secret(s) that are needed to configure the runner:
#
#     | Secret                 | Description                                                |
#     |------------------------|------------------------------------------------------------|
#     | `GITLAB_RUNNER_TOKEN`  | The token generated when the runner was created in GitLab  |
#
#     For more information about storing secrets like SSH keys and API keys, refer to our Secrets documentation provided below
#
#     ## Configuration Variables
#
#     The following chart details the input variable(s) that are used to determine the configuration of the runner:
#
#     | Variable            | Description                                                 |
#     |---------------------|-------------------------------------------------------------|
#     | `glurl`             | The URL of the Gitlab instance to associate the Runner with |
#     | `runnerImage`       | Provide an image to use to configure the runner             |
#     | `runnerDescription` | Description of this runner                                  |
#     | `runnerTags`        | Comma separated list of tags for this runner                |
#
#     ## Links
#
#     * [Secrets / Environment variables documentation](https://install.doctor/docs/customization/secrets)

{{ includeTemplate "universal/profile" }}
{{ includeTemplate "universal/logg" }}

### Run logic if gitlab-runner is installed
if command -v gitlab-runner > /dev/null; then
  ### Check if Runner Token value is present
  if [ -v $GITLAB_RUNNER_TOKEN ]; then
    if [ -n {{ .host.gitlab.runnerTags }} ]; then
      ### Registering runner
      logg info 'Registering GitLab Runner with the provided tags'
      gitlab-runner register \
      --non-interactive \
      --url {{ .host.gitlab.glurl }} \
      --token $GITLAB_RUNNER_TOKEN \
      --executor "docker" \
      --docker-image {{ .host.gitlab.runnerImage }} \
      --description {{ .host.gitlab.runnerDescription }} \
      --tag-list {{ .host.gitlab.runnerTags }}
    else
      ### Registering runner
      logg info 'Registering GitLab Runner to run untagged builds'
      gitlab-runner register \
      --non-interactive \
      --url {{ .host.gitlab.glurl }} \
      --token $GITLAB_RUNNER_TOKEN \
      --executor "docker" \
      --docker-image {{ .host.gitlab.runnerImage }} \
      --description {{ .host.gitlab.runnerDescription }} \
      --run-untagged
    fi
  else
    logg warn 'GITLAB_RUNNER_TOKEN is not set. Not registering the runner'
  fi
else
  logg warn 'gitlab-runner is not installed or is not available in PATH'
fi

{{ end -}}