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fix(ci): shard single-arch backend matrix under GitHub's 256-job limit #10703

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mudler merged 1 commit into from
Jul 6, 2026
Merged

fix(ci): shard single-arch backend matrix under GitHub's 256-job limit #10703

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181 changes: 169 additions & 12 deletions .github/workflows/backend.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -32,16 +32,30 @@ jobs:
if: github.repository == 'mudler/LocalAI'
runs-on: ubuntu-latest
outputs:
matrix-singlearch: ${{ steps.set-matrix.outputs['matrix-singlearch'] }}
matrix-multiarch: ${{ steps.set-matrix.outputs['matrix-multiarch'] }}
matrix-darwin: ${{ steps.set-matrix.outputs['matrix-darwin'] }}
merge-matrix-multiarch: ${{ steps.set-matrix.outputs['merge-matrix-multiarch'] }}
merge-matrix-singlearch: ${{ steps.set-matrix.outputs['merge-matrix-singlearch'] }}
has-backends-singlearch: ${{ steps.set-matrix.outputs['has-backends-singlearch'] }}
has-backends-multiarch: ${{ steps.set-matrix.outputs['has-backends-multiarch'] }}
has-backends-darwin: ${{ steps.set-matrix.outputs['has-backends-darwin'] }}
has-merges-multiarch: ${{ steps.set-matrix.outputs['has-merges-multiarch'] }}
has-merges-singlearch: ${{ steps.set-matrix.outputs['has-merges-singlearch'] }}
# Single-arch backends are sharded across SINGLEARCH_SHARDS matrix jobs to
# stay under GitHub's 256-jobs-per-matrix limit (see changed-backends.js).
matrix-singlearch-1: ${{ steps.set-matrix.outputs['matrix-singlearch-1'] }}
merge-matrix-singlearch-1: ${{ steps.set-matrix.outputs['merge-matrix-singlearch-1'] }}
has-backends-singlearch-1: ${{ steps.set-matrix.outputs['has-backends-singlearch-1'] }}
has-merges-singlearch-1: ${{ steps.set-matrix.outputs['has-merges-singlearch-1'] }}
matrix-singlearch-2: ${{ steps.set-matrix.outputs['matrix-singlearch-2'] }}
merge-matrix-singlearch-2: ${{ steps.set-matrix.outputs['merge-matrix-singlearch-2'] }}
has-backends-singlearch-2: ${{ steps.set-matrix.outputs['has-backends-singlearch-2'] }}
has-merges-singlearch-2: ${{ steps.set-matrix.outputs['has-merges-singlearch-2'] }}
matrix-singlearch-3: ${{ steps.set-matrix.outputs['matrix-singlearch-3'] }}
merge-matrix-singlearch-3: ${{ steps.set-matrix.outputs['merge-matrix-singlearch-3'] }}
has-backends-singlearch-3: ${{ steps.set-matrix.outputs['has-backends-singlearch-3'] }}
has-merges-singlearch-3: ${{ steps.set-matrix.outputs['has-merges-singlearch-3'] }}
matrix-singlearch-4: ${{ steps.set-matrix.outputs['matrix-singlearch-4'] }}
merge-matrix-singlearch-4: ${{ steps.set-matrix.outputs['merge-matrix-singlearch-4'] }}
has-backends-singlearch-4: ${{ steps.set-matrix.outputs['has-backends-singlearch-4'] }}
has-merges-singlearch-4: ${{ steps.set-matrix.outputs['has-merges-singlearch-4'] }}
steps:
- name: Checkout repository
uses: actions/checkout@v7
Expand Down Expand Up @@ -109,9 +123,9 @@ jobs:
# take their full ~6h cold without blocking manifest assembly for the
# multi-arch backends whose per-arch digests would otherwise sit untagged
# on quay long enough to be GC'd.
backend-jobs-singlearch:
backend-jobs-singlearch-1:
needs: generate-matrix
if: needs.generate-matrix.outputs['has-backends-singlearch'] == 'true'
if: needs.generate-matrix.outputs['has-backends-singlearch-1'] == 'true'
uses: ./.github/workflows/backend_build.yml
with:
tag-latest: ${{ matrix.tag-latest }}
Expand All @@ -138,7 +152,100 @@ jobs:
strategy:
fail-fast: false
max-parallel: 8
matrix: ${{ fromJson(needs.generate-matrix.outputs['matrix-singlearch']) }}
matrix: ${{ fromJson(needs.generate-matrix.outputs['matrix-singlearch-1']) }}

backend-jobs-singlearch-2:
needs: generate-matrix
if: needs.generate-matrix.outputs['has-backends-singlearch-2'] == 'true'
uses: ./.github/workflows/backend_build.yml
with:
tag-latest: ${{ matrix.tag-latest }}
tag-suffix: ${{ matrix.tag-suffix }}
build-type: ${{ matrix.build-type }}
cuda-major-version: ${{ matrix.cuda-major-version }}
cuda-minor-version: ${{ matrix.cuda-minor-version }}
platforms: ${{ matrix.platforms }}
platform-tag: ${{ matrix.platform-tag || '' }}
runs-on: ${{ matrix.runs-on }}
builder-base-image: ${{ matrix.builder-base-image || '' }}
base-image: ${{ matrix.base-image }}
backend: ${{ matrix.backend }}
dockerfile: ${{ matrix.dockerfile }}
skip-drivers: ${{ matrix.skip-drivers }}
context: ${{ matrix.context }}
ubuntu-version: ${{ matrix.ubuntu-version }}
amdgpu-targets: ${{ matrix.amdgpu-targets || 'gfx908,gfx90a,gfx942,gfx950,gfx1030,gfx1100,gfx1101,gfx1102,gfx1151,gfx1200,gfx1201' }}
secrets:
dockerUsername: ${{ secrets.DOCKERHUB_USERNAME }}
dockerPassword: ${{ secrets.DOCKERHUB_PASSWORD }}
quayUsername: ${{ secrets.LOCALAI_REGISTRY_USERNAME }}
quayPassword: ${{ secrets.LOCALAI_REGISTRY_PASSWORD }}
strategy:
fail-fast: false
max-parallel: 8
matrix: ${{ fromJson(needs.generate-matrix.outputs['matrix-singlearch-2']) }}

backend-jobs-singlearch-3:
needs: generate-matrix
if: needs.generate-matrix.outputs['has-backends-singlearch-3'] == 'true'
uses: ./.github/workflows/backend_build.yml
with:
tag-latest: ${{ matrix.tag-latest }}
tag-suffix: ${{ matrix.tag-suffix }}
build-type: ${{ matrix.build-type }}
cuda-major-version: ${{ matrix.cuda-major-version }}
cuda-minor-version: ${{ matrix.cuda-minor-version }}
platforms: ${{ matrix.platforms }}
platform-tag: ${{ matrix.platform-tag || '' }}
runs-on: ${{ matrix.runs-on }}
builder-base-image: ${{ matrix.builder-base-image || '' }}
base-image: ${{ matrix.base-image }}
backend: ${{ matrix.backend }}
dockerfile: ${{ matrix.dockerfile }}
skip-drivers: ${{ matrix.skip-drivers }}
context: ${{ matrix.context }}
ubuntu-version: ${{ matrix.ubuntu-version }}
amdgpu-targets: ${{ matrix.amdgpu-targets || 'gfx908,gfx90a,gfx942,gfx950,gfx1030,gfx1100,gfx1101,gfx1102,gfx1151,gfx1200,gfx1201' }}
secrets:
dockerUsername: ${{ secrets.DOCKERHUB_USERNAME }}
dockerPassword: ${{ secrets.DOCKERHUB_PASSWORD }}
quayUsername: ${{ secrets.LOCALAI_REGISTRY_USERNAME }}
quayPassword: ${{ secrets.LOCALAI_REGISTRY_PASSWORD }}
strategy:
fail-fast: false
max-parallel: 8
matrix: ${{ fromJson(needs.generate-matrix.outputs['matrix-singlearch-3']) }}

backend-jobs-singlearch-4:
needs: generate-matrix
if: needs.generate-matrix.outputs['has-backends-singlearch-4'] == 'true'
uses: ./.github/workflows/backend_build.yml
with:
tag-latest: ${{ matrix.tag-latest }}
tag-suffix: ${{ matrix.tag-suffix }}
build-type: ${{ matrix.build-type }}
cuda-major-version: ${{ matrix.cuda-major-version }}
cuda-minor-version: ${{ matrix.cuda-minor-version }}
platforms: ${{ matrix.platforms }}
platform-tag: ${{ matrix.platform-tag || '' }}
runs-on: ${{ matrix.runs-on }}
builder-base-image: ${{ matrix.builder-base-image || '' }}
base-image: ${{ matrix.base-image }}
backend: ${{ matrix.backend }}
dockerfile: ${{ matrix.dockerfile }}
skip-drivers: ${{ matrix.skip-drivers }}
context: ${{ matrix.context }}
ubuntu-version: ${{ matrix.ubuntu-version }}
amdgpu-targets: ${{ matrix.amdgpu-targets || 'gfx908,gfx90a,gfx942,gfx950,gfx1030,gfx1100,gfx1101,gfx1102,gfx1151,gfx1200,gfx1201' }}
secrets:
dockerUsername: ${{ secrets.DOCKERHUB_USERNAME }}
dockerPassword: ${{ secrets.DOCKERHUB_PASSWORD }}
quayUsername: ${{ secrets.LOCALAI_REGISTRY_USERNAME }}
quayPassword: ${{ secrets.LOCALAI_REGISTRY_PASSWORD }}
strategy:
fail-fast: false
max-parallel: 8
matrix: ${{ fromJson(needs.generate-matrix.outputs['matrix-singlearch-4']) }}

# Apply tags to per-arch digests via `imagetools create`. Split into two
# jobs that mirror the build split so each merge waits ONLY on its
Expand Down Expand Up @@ -174,10 +281,60 @@ jobs:
fail-fast: false
matrix: ${{ fromJson(needs.generate-matrix.outputs['merge-matrix-multiarch']) }}

backend-merge-jobs-singlearch:
needs: [generate-matrix, backend-jobs-singlearch]
# See note on backend-merge-jobs-multiarch above for !cancelled().
if: ${{ !cancelled() && needs.generate-matrix.outputs['has-merges-singlearch'] == 'true' }}
# One merge shard per build shard: backend-merge-jobs-singlearch-<n> needs only
# backend-jobs-singlearch-<n>, preserving the "merge waits only on its own
# build" property while staying under the 256-jobs-per-matrix limit.
backend-merge-jobs-singlearch-1:
needs: [generate-matrix, backend-jobs-singlearch-1]
if: ${{ !cancelled() && needs.generate-matrix.outputs['has-merges-singlearch-1'] == 'true' }}
uses: ./.github/workflows/backend_merge.yml
with:
tag-latest: ${{ matrix.tag-latest }}
tag-suffix: ${{ matrix.tag-suffix }}
secrets:
dockerUsername: ${{ secrets.DOCKERHUB_USERNAME }}
dockerPassword: ${{ secrets.DOCKERHUB_PASSWORD }}
quayUsername: ${{ secrets.LOCALAI_REGISTRY_USERNAME }}
quayPassword: ${{ secrets.LOCALAI_REGISTRY_PASSWORD }}
strategy:
fail-fast: false
matrix: ${{ fromJson(needs.generate-matrix.outputs['merge-matrix-singlearch-1']) }}

backend-merge-jobs-singlearch-2:
needs: [generate-matrix, backend-jobs-singlearch-2]
if: ${{ !cancelled() && needs.generate-matrix.outputs['has-merges-singlearch-2'] == 'true' }}
uses: ./.github/workflows/backend_merge.yml
with:
tag-latest: ${{ matrix.tag-latest }}
tag-suffix: ${{ matrix.tag-suffix }}
secrets:
dockerUsername: ${{ secrets.DOCKERHUB_USERNAME }}
dockerPassword: ${{ secrets.DOCKERHUB_PASSWORD }}
quayUsername: ${{ secrets.LOCALAI_REGISTRY_USERNAME }}
quayPassword: ${{ secrets.LOCALAI_REGISTRY_PASSWORD }}
strategy:
fail-fast: false
matrix: ${{ fromJson(needs.generate-matrix.outputs['merge-matrix-singlearch-2']) }}

backend-merge-jobs-singlearch-3:
needs: [generate-matrix, backend-jobs-singlearch-3]
if: ${{ !cancelled() && needs.generate-matrix.outputs['has-merges-singlearch-3'] == 'true' }}
uses: ./.github/workflows/backend_merge.yml
with:
tag-latest: ${{ matrix.tag-latest }}
tag-suffix: ${{ matrix.tag-suffix }}
secrets:
dockerUsername: ${{ secrets.DOCKERHUB_USERNAME }}
dockerPassword: ${{ secrets.DOCKERHUB_PASSWORD }}
quayUsername: ${{ secrets.LOCALAI_REGISTRY_USERNAME }}
quayPassword: ${{ secrets.LOCALAI_REGISTRY_PASSWORD }}
strategy:
fail-fast: false
matrix: ${{ fromJson(needs.generate-matrix.outputs['merge-matrix-singlearch-3']) }}

backend-merge-jobs-singlearch-4:
needs: [generate-matrix, backend-jobs-singlearch-4]
if: ${{ !cancelled() && needs.generate-matrix.outputs['has-merges-singlearch-4'] == 'true' }}
uses: ./.github/workflows/backend_merge.yml
with:
tag-latest: ${{ matrix.tag-latest }}
Expand All @@ -189,7 +346,7 @@ jobs:
quayPassword: ${{ secrets.LOCALAI_REGISTRY_PASSWORD }}
strategy:
fail-fast: false
matrix: ${{ fromJson(needs.generate-matrix.outputs['merge-matrix-singlearch']) }}
matrix: ${{ fromJson(needs.generate-matrix.outputs['merge-matrix-singlearch-4']) }}

backend-jobs-darwin:
needs: generate-matrix
Expand Down
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