ci: various tweaks

.github/workflows/lntest.yml

@@ -0,0 +1,79 @@
+name: lntest
+
+# The bitcoind-miner itest configuration exercises the lntest
+# harness's bitcoind miner support rather than any production lnd
+# code, so it only runs when the harness itself (or this workflow)
+# changes.
+on:
+  push:
+    branches:
+      - "master"
+    paths:
+      - "lntest/**"
+  pull_request:
+    branches:
+      - "*"
+    paths:
+      - "lntest/**"
+      - ".github/workflows/lntest.yml"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: lntest-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+env:
+  # Accepts either a major image tag like "30" or a patch tag like "29.1".
+  BITCOIN_VERSION: "31"
+
+  # TRANCHES defines the number of tranches used in the itests.
+  TRANCHES: 16
+
+  # If you change this please also update GO_VERSION in Makefile (then run
+  # `make lint` to see where else it needs to be updated as well).
+  GO_VERSION: 1.26.4
+
+jobs:
+  bitcoind-miner-itest:
+    name: Run bitcoind-miner itests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Git checkout
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Fetch and rebase on ${{ github.base_ref }}
+        if: github.event_name == 'pull_request'
+        uses: ./.github/actions/rebase
+
+      - name: Setup go ${{ env.GO_VERSION }}
+        uses: ./.github/actions/setup-go
+        with:
+          go-version: '${{ env.GO_VERSION }}'
+          key-prefix: integration-test
+
+      - name: Install bitcoind
+        run: ./scripts/install_bitcoind.sh $BITCOIN_VERSION
+
+      - name: Run bitcoind-miner itests
+        run: make itest-parallel tranches=${{ env.TRANCHES }} backend=bitcoind minerbackend=bitcoind shuffleseed=${{ github.run_id }}
+
+      - name: Zip log files on failure
+        if: ${{ failure() }}
+        timeout-minutes: 5 # timeout after 5 minute
+        run: 7z a logs-itest-bitcoind-miner.zip itest/**/*.log
+
+      - name: Upload log files on failure
+        uses: actions/upload-artifact@v4
+        if: ${{ failure() }}
+        with:
+          name: logs-itest-bitcoind-miner
+          path: logs-itest-bitcoind-miner.zip
+          retention-days: 5