Add action.yml and self-test

.github/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: "CI Full Run"
+on:
+  pull_request:
+    branches:
+      - main
+      - grok/*/*
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Create dummy file
+        run: echo "dummy" > dummy.txt
+      - name: Test store
+        uses: ./
+        with:
+          action: "store"
+          storage-host: ""
+      - name: Remove dummy file
+        run: rm dummy.txt
+      - name: Test load
+        uses: ./
+        with:
+          action: "load"
+          storage-host: ""
+      - name: Check that dummy file was restored
+        run: |
+          ls -la ~/ci-storage
+          [ "$(cat dummy.txt)" = "dummy" ] || { echo "dummy.txt was not restored"; exit 1; }

action.yml

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+name: "CI Storage"
+description: "Quickly stores the content of huge work directory with low percentage of changed files in the storage on a remote host, or loads the content from the storage."
+inputs:
+  action:
+    description: "What to do (store or load)."
+    required: true
+  storage-host:
+    description: "Storage host in the format [user@]host; it must have password-free SSH key access."
+    required: true
+  storage-dir:
+    description: "Storage directory on the remote host. If not set, uses the ci-storage tool default ~/ci-storage."
+    required: false
+  storage-max-age-sec:
+    description: "Remove slots created earlier than this many seconds ago. If not set, uses the ci-storage tool default 4 hours."
+    required: false
+  slot-id:
+    description: 'Id of the slot to store to or load from; use "*" to load a random most recent slot. If empty, uses "$GITHUB_RUN_ID-$GITHUB_RUN_ATTEMPT" value.'
+    required: false
+  local-dir:
+    description: 'Local directory path to store from or load to. If not set, uses "." (the current work directory).'
+    required: false
+  exclude:
+    description: "Newline separated exclude pattern(s) for rsync."
+    required: false
+  verbose:
+    description: "If set, prints the list of transferred files."
+    type: boolean
+    required: false
+runs:
+  using: "composite"
+  steps:
+    - name: Run ci-storage ${{ inputs.action }}
+      run: >
+        pwd && ./ci-storage
+        --storage-host="${{ inputs.storage-host || '' }}"
+        --storage-dir="${{ inputs.storage-dir || '' }}"
+        --storage-max-age-sec="${{ inputs.storage-max-age-sec || '' }}"
+        --slot-id="${{ inputs.slot-id || format('{0}-{1}', github.run_id, github.run_attempt) }}"
+        --local-dir="${{ inputs.local-dir || '.' }}"
+        --exclude="${{ inputs.exclude || '' }}"
+        ${{ inputs.verbose && '--verbose' || '' }}
+        ${{ inputs.action }}
+      shell: bash