b2-action/.github/workflows/example-cache-artifacts.yml at main · backblaze-labs/b2-action · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
name: 'Example: cache artifacts'

# Save and restore a tarball between jobs using B2 instead of actions/cache.
# Useful when you outgrow GH's per-org cache limit, want shared caches across
# workflows, or need TTL/lifecycle controls only B2 provides.

on:
  workflow_dispatch:
  push:
    branches: [main]
  pull_request:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  cache:
    name: cache
    if: github.event_name == 'workflow_dispatch' || github.event_name == 'push' || (github.event.pull_request.head.repo.fork == false && github.actor != 'dependabot[bot]')
    runs-on: ubuntu-latest
    # We hardcode `Linux` rather than `${{ runner.os }}` because the `runner`
    # context isn't allowed in job-level `env:` (only at step level). This job
    # always runs on `ubuntu-latest` so the value is fixed anyway.
    env:
      CACHE_KEY: cache/Linux/example-${{ github.run_id }}.tar.gz
    steps:
      - uses: actions/checkout@9f698171ed81b15d1823a05fc7211befd50c8ae0 # v6.0.3
        with:
          persist-credentials: false

      - name: Build a synthetic cache payload
        run: |
          mkdir -p _cache
          dd if=/dev/urandom of=_cache/blob bs=1024 count=128
          tar -czf payload.tar.gz _cache

      - name: Save cache to B2
        id: save
        uses: ./
        with:
          action: upload
          application-key-id: ${{ secrets.B2_APPLICATION_KEY_ID }}
          application-key: ${{ secrets.B2_APPLICATION_KEY }}
          bucket: ${{ secrets.B2_TEST_BUCKET }}
          source: payload.tar.gz
          destination: ${{ env.CACHE_KEY }}

      - name: Wipe local copy
        run: rm -rf _cache payload.tar.gz

      - name: Restore cache from B2
        uses: ./
        with:
          action: download
          application-key-id: ${{ secrets.B2_APPLICATION_KEY_ID }}
          application-key: ${{ secrets.B2_APPLICATION_KEY }}
          bucket: ${{ secrets.B2_TEST_BUCKET }}
          source: ${{ env.CACHE_KEY }}
          destination: payload.restored.tar.gz

      - name: Verify cache integrity
        env:
          SAVED_FILE_ID: ${{ steps.save.outputs.file-id }}
          SAVED_SHA1: ${{ steps.save.outputs.content-sha1 }}
        run: |
          tar -tzf payload.restored.tar.gz | grep _cache/blob
          echo "Saved file-id: $SAVED_FILE_ID"
          echo "SHA-1:         $SAVED_SHA1"

      - name: Cleanup
        if: always()
        uses: ./
        with:
          action: delete
          application-key-id: ${{ secrets.B2_APPLICATION_KEY_ID }}
          application-key: ${{ secrets.B2_APPLICATION_KEY }}
          bucket: ${{ secrets.B2_TEST_BUCKET }}
          source: ${{ env.CACHE_KEY }}