nix/.forgejo/workflows/auto-update.yaml
2025-12-04 22:57:49 +01:00

265 lines
9.5 KiB
YAML

name: Weekly Flake Update
on:
schedule:
# Every Friday at 22:00 UTC
- cron: '0 22 * * 5'
workflow_dispatch: {}
jobs:
check-updates:
runs-on: nix
outputs:
changed: ${{ steps.changes.outputs.changed }}
hosts: ${{ steps.hosts.outputs.hosts || '[]' }}
steps:
- name: Checkout repository
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Configure Git
run: |
git config user.name "Flake Update Bot"
git config user.email "bot@noreply.local"
- name: Update flake inputs
run: nix flake update
- name: Check for changes
id: changes
run: |
echo "DEBUG: GITHUB_OUTPUT='${GITHUB_OUTPUT:-<unset>}'"
echo "DEBUG: Checking if GITHUB_OUTPUT var is set: $(if [ -z "${GITHUB_OUTPUT+x}" ]; then echo "NOT SET"; else echo "SET (value: '$GITHUB_OUTPUT')"; fi)"
set_output() {
echo "::set-output name=$1::$2"
if [ -n "${GITHUB_OUTPUT:-}" ]; then
echo "$1=$2" >> "$GITHUB_OUTPUT"
fi
}
if git diff --quiet flake.lock; then
set_output changed false
else
set_output changed true
fi
- name: Extract LXC hosts
id: hosts
if: steps.changes.outputs.changed == 'true'
run: |
set -euo pipefail
set_output() {
echo "::set-output name=$1::$2"
if [ -n "${GITHUB_OUTPUT:-}" ]; then
echo "$1=$2" >> "$GITHUB_OUTPUT"
fi
}
HOSTS=$(nix eval --json .#colmena --apply 'x: builtins.filter (n: n != "meta" && builtins.elem "lxc" (x.${n}.deployment.tags or [])) (builtins.attrNames x)' 2>&1) || {
echo "Failed to evaluate colmena hosts"
exit 1
}
# Validate the output is a non-empty JSON array
if ! echo "$HOSTS" | jq -e '. | if type == "array" and length > 0 then true else false end' > /dev/null 2>&1; then
echo "Error: No LXC hosts found or invalid JSON output: $HOSTS"
set_output hosts "[]"
exit 0
fi
set_output hosts "$HOSTS"
echo "Discovered hosts: $HOSTS"
# Also write to file as backup (in case job outputs don't work)
echo "$HOSTS" > hosts.json
# Debug output
echo "DEBUG: GITHUB_OUTPUT exists: ${GITHUB_OUTPUT:-NOT SET}"
if [ -n "${GITHUB_OUTPUT:-}" ] && [ -f "$GITHUB_OUTPUT" ]; then
echo "DEBUG: GITHUB_OUTPUT contents:"
cat "$GITHUB_OUTPUT"
fi
- name: Debug job outputs
if: steps.changes.outputs.changed == 'true'
run: |
echo "=== Step outputs ==="
echo "steps.changes.outputs.changed = '${{ steps.changes.outputs.changed }}'"
echo "steps.hosts.outputs.hosts = '${{ steps.hosts.outputs.hosts }}'"
echo "Length of hosts output: ${#HOSTS_OUT}"
env:
HOSTS_OUT: ${{ steps.hosts.outputs.hosts }}
- name: Upload flake.lock
if: steps.changes.outputs.changed == 'true'
uses: forgejo/upload-artifact@v4
with:
name: flake-lock
path: flake.lock
retention-days: 1
- name: Upload hosts list
if: steps.changes.outputs.changed == 'true'
uses: forgejo/upload-artifact@v4
with:
name: hosts-list
path: hosts.json
retention-days: 1
build:
needs: check-updates
if: needs.check-updates.outputs.changed == 'true' && needs.check-updates.outputs.hosts != '[]' && needs.check-updates.outputs.hosts != ''
runs-on: nix
strategy:
fail-fast: false
matrix:
host: ${{ fromJson(needs.check-updates.outputs.hosts || '[]') }}
steps:
- name: Debug - show received values
run: |
echo "=== DEBUG: Values received from check-updates job ==="
echo "needs.check-updates.outputs.changed = '${{ needs.check-updates.outputs.changed }}'"
echo "needs.check-updates.outputs.hosts = '${{ needs.check-updates.outputs.hosts }}'"
echo "matrix.host = '${{ matrix.host }}'"
echo "=== END DEBUG ==="
- name: Checkout repository
uses: actions/checkout@v4
- name: Download updated flake.lock
uses: forgejo/download-artifact@v4
with:
name: flake-lock
- name: Build ${{ matrix.host }}
id: build
run: |
HOST="${{ matrix.host }}"
echo "DEBUG: matrix.host='$HOST'"
echo "DEBUG: raw matrix.host='${{ matrix.host }}'"
if [ -z "$HOST" ]; then
echo "Error: Host name is empty"
echo "This usually means the 'hosts' output from check-updates job was not received properly"
exit 1
fi
echo "Building host: $HOST"
nix build ".#nixosConfigurations.${HOST}.config.system.build.toplevel" --no-link 2>&1 | tee build-output.txt
continue-on-error: true
- name: Upload build log on failure
if: failure() || steps.build.outcome == 'failure'
uses: forgejo/upload-artifact@v4
with:
name: build-failure-${{ matrix.host }}
path: build-output.txt
retention-days: 7
- name: Check build result
run: |
if [ "${{ steps.build.outcome }}" == "failure" ]; then
echo "Build failed for ${{ matrix.host }}"
exit 1
fi
report:
needs: [check-updates, build]
if: always() && needs.check-updates.outputs.changed == 'true'
runs-on: nix
steps:
- name: Checkout repository
uses: actions/checkout@v4
with:
fetch-depth: 0
- name: Configure Git
run: |
git config user.name "Flake Update Bot"
git config user.email "bot@noreply.local"
- name: Download updated flake.lock
uses: forgejo/download-artifact@v4
with:
name: flake-lock
- name: Download failure artifacts
if: needs.build.result == 'failure'
uses: forgejo/download-artifact@v4
with:
pattern: build-failure-*
path: failures
merge-multiple: false
continue-on-error: true
- name: Create branch and commit
id: branch
run: |
BRANCH_NAME="auto-update/$(date +%Y-%m-%d)"
git checkout -b "$BRANCH_NAME"
git add flake.lock
git commit -m "chore: update flake inputs $(date +%Y-%m-%d)"
git push origin "$BRANCH_NAME"
echo "branch_name=$BRANCH_NAME" >> $GITHUB_OUTPUT
- name: Create Pull Request
if: needs.build.result == 'success'
env:
FORGEJO_TOKEN: ${{ secrets.FORGEJO_TOKEN }}
run: |
HOSTS='${{ needs.check-updates.outputs.hosts }}'
HOST_LIST=$(echo "$HOSTS" | jq -r '.[] | "- " + .' | tr '\n' '\n')
curl -X POST \
-H "Authorization: token $FORGEJO_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"title": "chore: weekly flake update",
"body": "Automated flake update from CI.\n\nThis PR updates all flake inputs and has been verified to build successfully.\n\n**Hosts built:**\n'"$(echo "$HOST_LIST" | sed 's/$/\\n/g' | tr -d '\n')"'\n\nGenerated on: '"$(date -Iseconds)"'",
"head": "'"${{ steps.branch.outputs.branch_name }}"'",
"base": "master"
}' \
"${{ github.server_url }}/api/v1/repos/${{ github.repository }}/pulls"
- name: Create Issue on failure
if: needs.build.result == 'failure'
env:
FORGEJO_TOKEN: ${{ secrets.FORGEJO_TOKEN }}
run: |
# Collect failed hosts from artifact directories
FAILED_HOSTS=""
FAILURE_DETAILS=""
if [ -d "failures" ]; then
for dir in failures/build-failure-*; do
if [ -d "$dir" ]; then
HOST=$(basename "$dir" | sed 's/build-failure-//')
FAILED_HOSTS="$FAILED_HOSTS\n- $HOST"
if [ -f "$dir/build-output.txt" ]; then
# Get last 50 lines of build output
LOG_TAIL=$(tail -50 "$dir/build-output.txt" | sed 's/"/\\"/g' | sed ':a;N;$!ba;s/\n/\\n/g')
FAILURE_DETAILS="$FAILURE_DETAILS\n\n<details>\n<summary>$HOST build log (last 50 lines)</summary>\n\n\`\`\`\n$LOG_TAIL\n\`\`\`\n</details>"
fi
fi
done
fi
# If no failure artifacts found, list from matrix
if [ -z "$FAILED_HOSTS" ]; then
FAILED_HOSTS="\n- (Unable to determine failed hosts - check workflow logs)"
fi
ISSUE_BODY="Weekly flake update failed to build some hosts.\n\n**Branch:** \`${{ steps.branch.outputs.branch_name }}\`\n**Run:** ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}\n\n**Failed hosts:**$FAILED_HOSTS\n$FAILURE_DETAILS\n\nGenerated on: $(date -Iseconds)"
curl -X POST \
-H "Authorization: token $FORGEJO_TOKEN" \
-H "Content-Type: application/json" \
-d "{
\"title\": \"Build failure: weekly flake update $(date +%Y-%m-%d)\",
\"body\": \"$ISSUE_BODY\"
}" \
"${{ github.server_url }}/api/v1/repos/${{ github.repository }}/issues"
- name: Cleanup
if: always()
run: |
nix-collect-garbage -d
rm -rf result .direnv failures