cachecanary/action.yml at main · Haarris/cachecanary · GitHub

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name: CacheCanary
description: Catch silent Claude prompt-cache breakage on Amazon Bedrock before it reaches your bill.
author: Haris Farooq
branding:
  icon: alert-triangle
  color: yellow

inputs:
  command:
    description: "One of: lint, diff, probe, logs, langfuse"
    required: true
  args:
    description: >
      Arguments for the command, space-separated (paths with spaces are not supported),
      e.g. "tests/fixtures/agent_request.json --model us.anthropic.claude-sonnet-4-6".
    required: true
  python-version:
    description: Python used to run CacheCanary.
    required: false
    default: "3.12"

runs:
  using: composite
  steps:
    - uses: actions/setup-python@v7
      with:
        python-version: ${{ inputs.python-version }}

    - name: Install CacheCanary
      shell: bash
      run: python -m pip install --quiet --disable-pip-version-check "$GITHUB_ACTION_PATH[aws]"

    - name: Run CacheCanary
      shell: bash
      env:
        # Passed via env (not inlined into the script) so input text can never be executed as shell.
        CC_COMMAND: ${{ inputs.command }}
        CC_ARGS: ${{ inputs.args }}
      run: |
        case "$CC_COMMAND" in
          lint|diff|probe|logs|langfuse) ;;
          *) echo "::error title=CacheCanary::unknown command '$CC_COMMAND' (use lint, diff, probe, logs or langfuse)"; exit 2 ;;
        esac
        read -r -a CC_ARGV <<< "$CC_ARGS"
        cachecanary --github "$CC_COMMAND" "${CC_ARGV[@]}"