Use single (cached) build for tests & release (#538)

Use the same build for integration tests & release, so that we release what we tested
Use charmcraftcache for the build

Signed by Mykola & Jon: https://docs.google.com/document/d/1Wt0ds4dEcih4cvHWkbvvALtqonC_D9crcNQteX34SUg/edit

.github/workflows/ci.yaml

@@ -9,14 +9,18 @@ concurrency:
 on:
   pull_request:
   schedule:
-    - cron: "53 0 * * *" # Daily at 00:53 UTC
+    - cron: '53 0 * * *'  # Daily at 00:53 UTC
   # Triggered on push to branch "main" by .github/workflows/release.yaml
   workflow_call:
+    outputs:
+      artifact-prefix:
+        description: build_charm.yaml `artifact-prefix` output
+        value: ${{ jobs.build.outputs.artifact-prefix }}
 
 jobs:
   lint:
     name: Lint
-    uses: canonical/data-platform-workflows/.github/workflows/lint.yaml@v26.0.0
+    uses: canonical/data-platform-workflows/.github/workflows/lint.yaml@v29.0.0
 
   unit-test:
     name: Unit test charm
@@ -141,9 +145,8 @@ jobs:
           - tests/integration/sharding_tests/application
           - tests/integration/relation_tests/new_relations/application-charm
     name: Build charm
-    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@v26.0.0
+    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@v29.0.0
     with:
-      cache: true
       charmcraft-snap-channel: latest/candidate  # TODO: remove after charmcraft 3.3 stable release
       path-to-charm-directory: ${{ matrix.path }}
 
@@ -153,9 +156,9 @@ jobs:
       - lint
       - unit-test
       - build
-    uses: canonical/data-platform-workflows/.github/workflows/integration_test_charm.yaml@v26.0.0
+    uses: canonical/data-platform-workflows/.github/workflows/integration_test_charm.yaml@v29.0.0
     with:
-      artifact-prefix: packed-charm-cache-true
+      artifact-prefix: ${{ needs.build.outputs.artifact-prefix }}
       cloud: lxd
       juju-agent-version: 3.6.1  # renovate: juju-agent-pin-minor
       _beta_allure_report: true

.github/workflows/release.yaml

@@ -12,22 +12,15 @@ jobs:
     permissions:
       contents: write  # Needed for Allure Report beta
 
-  build:
-    name: Build charm
-    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
-    with:
-      charmcraft-snap-channel: latest/candidate  # TODO: remove after charmcraft 3.3 stable release
-
   release-charm:
     name: Release charm
     needs:
       - ci-tests
-      - build
-    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
     with:
       charmcraft-snap-channel: latest/candidate  # TODO: remove after charmcraft 3.3 stable release
       channel: 6/edge
-      artifact-prefix: ${{ needs.build.outputs.artifact-prefix }}
+      artifact-prefix: ${{ needs.ci-tests.outputs.artifact-prefix }}
     secrets:
       charmhub-token: ${{ secrets.CHARMHUB_TOKEN }}
     permissions:

pyproject.toml

@@ -67,10 +67,10 @@ pytest = "^8.1.1"
 pytest-asyncio = "^0.21.1"
 pytest-mock = "^3.14.0"
 pytest-operator = "^0.36.0"
-pytest-operator-cache = {git = "https://github.com/canonical/data-platform-workflows", tag = "v26.0.0", subdirectory = "python/pytest_plugins/pytest_operator_cache"}
-pytest-operator-groups = {git = "https://github.com/canonical/data-platform-workflows", tag = "v26.0.0", subdirectory = "python/pytest_plugins/pytest_operator_groups"}
-pytest-github-secrets = {git = "https://github.com/canonical/data-platform-workflows", tag = "v26.0.0", subdirectory = "python/pytest_plugins/github_secrets"}
-allure-pytest-collection-report = {git = "https://github.com/canonical/data-platform-workflows", tag = "v26.0.0", subdirectory = "python/pytest_plugins/allure_pytest_collection_report"}
+pytest-operator-cache = {git = "https://github.com/canonical/data-platform-workflows", tag = "v29.0.0", subdirectory = "python/pytest_plugins/pytest_operator_cache"}
+pytest-operator-groups = {git = "https://github.com/canonical/data-platform-workflows", tag = "v29.0.0", subdirectory = "python/pytest_plugins/pytest_operator_groups"}
+pytest-github-secrets = {git = "https://github.com/canonical/data-platform-workflows", tag = "v29.0.0", subdirectory = "python/pytest_plugins/github_secrets"}
+allure-pytest-collection-report = {git = "https://github.com/canonical/data-platform-workflows", tag = "v29.0.0", subdirectory = "python/pytest_plugins/allure_pytest_collection_report"}
 
 [build-system]
 build-backend = "poetry.core.masonry.api"