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Overview of the Issue

Webhook notifications are not triggered on "apply" event, possibly because server-side repo config contains a workflow with custom "run" command for "apply" step.

Slack nor HTTP webhook is not triggered when a user calls atlantis apply via GitHub comment. Atlantis logs (with debug level logging) don't mention an attempt to try sending a notification on either endpoint.

By inspecting the access logs for the custom notification webhook URL endpoint, I didn't find any POST requests.

Reproduction Steps

Configure Slack or HTTP webhook notification in Atlantis server configuration.
Define a custom workflow with custom "run" command for "apply" step.
Open a PR on GitHub and trigger Terraform apply by commenting atlantis apply to the PR.
Observe is Slack or HTTP webbook notification arrives.

Logs

Environment details

• Atlantis version: 0.36.0
• Deployment method: Docker (running the official Atlantis container image)
• Atlantis flags: --config /home/atlantis/.atlantis/atlantis-server.yaml --gh-app-id ${GH_APP_ID} --gh-app-key-file /home/atlantis/gh_app_key.pem --repo-config /home/atlantis/.atlantis/repos.yaml --gh-webhook-secret ${GH_WEBHOOK_SECRET} --write-git-creds --repo-allowlist '${REPO_ALLOWLIST}' --atlantis-url ${ATLANTIS_URL}

Atlantis server-side config file:

# config file
log-level: "debug"
slack-token: "XXXXXXXX"
workflows:
  - event: "apply"
    kind: "slack"
    channel: "XXXXXXXXXX"
  - event: "apply"
    kind: "http"
    url: "https://XXXXXX"

Repo-config repos.yaml file:

# config file
---
repos:
  - id: "github.com/[ORG]/[REPO]"
    apply_requirements: ["mergeable"]
    workflow: "sops"

workflows:
  sops:
    plan:
      steps:
      - run: &terraform_init_cmd
          shell: "bash"
          command: |
            source /home/atlantis/.atlantis/.env.sops && /home/atlantis/.atlantis/bin/sops exec-env ../.terraform.env 'timestamp=$(date +"%Y-%m-%d_%H%M%S"); terraform init -backend-config="bucket=${TFSTATE_BUCKET}" -backend-config="region=${TFSTATE_REGION}" > /tmp/terraform_init_${timestamp}.log 2>&1 || cat /tmp/terraform_init_${timestamp}.log && rm -f /tmp/terraform_init_${timestamp}.log'
      - run:
          shell: "bash"
          output: strip_refreshing
          command: |
            source /home/atlantis/.atlantis/.env.sops && /home/atlantis/.atlantis/bin/sops exec-env ../.terraform.env 'terraform plan -out terraform.tfplan'
    apply:
      steps:
      - run: *terraform_init_cmd
      - run:
          shell: "bash"
          output: strip_refreshing
          command: |
            source /home/atlantis/.atlantis/.env.sops && /home/atlantis/.atlantis/bin/sops exec-env ../.terraform.env 'terraform apply -auto-approve terraform.tfplan'