test: test offline runner registration (#1449)

Reviewed-on: https://code.forgejo.org/forgejo/end-to-end/pulls/1449
Reviewed-by: Mathieu Fenniak <mfenniak@noreply.code.forgejo.org>
Co-authored-by: Andreas Ahlenstorf <andreas@ahlenstorf.ch>
Co-committed-by: Andreas Ahlenstorf <andreas@ahlenstorf.ch>

actions/actions.sh

@@ -143,7 +143,7 @@ function test_actions() {
             done
         fi
 
-        for example in echo matrix needs workflow-call lxc config-options cache cache-pull-request checkout service container expression local-action docker-action if if-fail push tag push-cancel artifacts pull-request context private-workflow-call; do
+        for example in echo matrix needs workflow-call lxc config-options cache cache-pull-request checkout service container expression local-action docker-action if if-fail push tag push-cancel artifacts pull-request context private-workflow-call create-runner-file; do
             run actions_verify_example $example
         done
 

actions/example-create-runner-file/.forgejo/workflows/test.yaml

@@ -0,0 +1,9 @@
+on:
+  push:
+
+jobs:
+  test:
+    runs-on: create-runner-file
+    steps:
+      - run: |
+          echo "OK"

actions/example-create-runner-file/run.sh

@@ -0,0 +1,40 @@
+source "lib/lib.sh"
+
+api="$url/api/v1"
+
+function main() {
+    local repo
+    repo="root/example-$example"
+
+    secret="$(openssl rand -hex 20)"
+    runner_name="runner-$(openssl rand -hex 5)"
+
+    create_offline_registration_token "$runner_name" root "$secret"
+
+    # Changing to $DIR is necessary so that `.runner` gets created there. Otherwise, `forgejo-runner` would not pick it up.
+    pushd "$DIR" || exit 1
+    ./forgejo-runner -c "$EXAMPLE_DIR/runner-config.yaml" create-runner-file --instance "http://$IP:3000" --name "$runner_name" --secret "$secret" --connect
+    popd || exit 1
+
+    FORGEJO_RUNNER_CONFIG="$EXAMPLE_DIR/runner-config.yaml" forgejo-runner.sh reload
+
+    label_count=$(jq '.labels | length ' "$DIR/.runner")
+    if [[ "$label_count" != "1" ]] ; then
+      echo "Unexpected number of labels in .runner file: $label_count instead of 1" >&2
+      exit 1
+    fi
+
+    runner_label=$(jq -r '.labels[0]' "$DIR/.runner")
+    if [[ "$runner_label" != "create-runner-file:docker://code.forgejo.org/oci/node:24-trixie" ]] ; then
+      echo "Unexpected runner label: '$runner_label' instead of create-runner-file:docker://code.forgejo.org/oci/node:24-trixie" >&2
+      exit 1
+    fi
+
+    forgejo-test-helper.sh push_workflow "actions/example-$example" "$url" root "example-$example" setup-forgejo "$token"
+
+    local sha
+    sha="$(forgejo-test-helper.sh branch_tip "$url" "$repo" main)"
+    forgejo-test-helper.sh wait_success "$url" "$repo" "$sha"
+}
+
+main

actions/example-create-runner-file/runner-config.yaml

@@ -0,0 +1,31 @@
+
+log:
+  level: debug
+
+runner:
+  file: .runner
+  capacity: 1
+  env_file: .env
+  timeout: 3h
+  insecure: false
+  fetch_timeout: 5s
+  fetch_interval: 2s
+  labels:
+    - "create-runner-file:docker://code.forgejo.org/oci/node:24-trixie"
+
+cache:
+  enabled: true
+  dir: "/srv/example/cache"
+  host: ""
+  port: 0
+
+container:
+  network: "bridge"
+  privileged: false
+  options:
+  workdir_parent:
+  valid_volumes: ["/srv/example"]
+  docker_host: ""
+
+host:
+  workdir_parent:

lib/lib.sh

@@ -415,6 +415,17 @@ EOF
     cp -a $DOT_FORGEJO_CURL $work_path/forgejo-curl
 }
 
+function create_offline_registration_token() {
+  local name="$1"
+  local scope="$2"
+  local secret="$3"
+
+  local work_path
+  work_path="$DIR/$(work_path_base "$config")"
+
+  "$work_path/forgejocli" forgejo-cli actions register --name "$name" --scope "$scope" --secret "$secret"
+}
+
 function stop_daemon() {
     local daemon=$1