Add docs-builder/setup action

docs-builder/setup/README.md

@@ -0,0 +1,28 @@
+<!-- Generated by https://github.com/reakaleek/gh-action-readme -->
+# <!--name-->docs-builder/setup<!--/name-->
+<!--description-->
+Set up elastic/docs-builder CLI for use in actions
+<!--/description-->
+
+## Inputs
+<!--inputs-->
+| Name           | Description         | Required | Default               |
+|----------------|---------------------|----------|-----------------------|
+| `version`      | docs-builer version | `false`  | `latest`              |
+| `github-token` | GitHub token        | `true`   | `${{ github.token }}` |
+<!--/inputs-->
+
+## Outputs
+<!--outputs-->
+| Name | Description |
+|------|-------------|
+<!--/outputs-->
+
+## Usage
+<!--usage action="your/action" version="v1"-->
+```yaml
+steps:
+  - uses: elastic/docs-actions/docs-builder/setup
+  - run: docs-builder --version
+```
+<!--/usage-->

docs-builder/setup/action.yml

@@ -0,0 +1,49 @@
+name: docs-builder/setup
+description: 'Set up elastic/docs-builder CLI for use in actions'
+
+inputs:
+  version:
+    description: 'docs-builer version'
+    type: string
+    required: false
+    default: 'latest'
+  github-token:
+    description: 'GitHub token'
+    type: string
+    required: false
+    default: '${{ github.token }}'
+
+runs:
+  using: composite
+
+  steps:
+    - name: Acquire docs-builder binary
+      shell: bash
+      run: |
+        echo "::group::Acquire docs-builder binary"
+
+        if [[ "${DOCS_BUILDER_VERSION}" == "edge" ]]; then
+            docker cp $(docker create --name tc ghcr.io/elastic/docs-builder:edge):/app/docs-builder . && docker rm tc
+            exit 0;
+        fi
+
+        if [[ "${DOCS_BUILDER_VERSION}" == "latest" ]]; then
+          DOCS_BUILDER_VERSION="" # empty string to get the latest version
+        fi
+
+        gh release download "${DOCS_BUILDER_VERSION}" --pattern 'docs-builder-linux-x64.zip' --repo elastic/docs-builder
+        gh attestation verify ./docs-builder-linux-x64.zip -R elastic/docs-builder
+        unzip -p ./docs-builder-linux-x64.zip docs-builder > docs-builder
+
+        echo "::endgroup::"
+
+      env:
+        DOCS_BUILDER_VERSION: '${{ inputs.version }}'
+        GH_TOKEN: '${{ inputs.github-token }}'
+
+    - name: Add docs-builder to /usr/local/bin
+      shell: bash
+      run: |
+          cp docs-builder /usr/local/bin/docs-builder
+          chmod +x /usr/local/bin/docs-builder
+          echo "::notice title=Builder version::$(docs-builder --version)"