workflows: add EXPERIMENTAL Linux build jobs

Epic: CRDB-8308
Release note: None

.github/workflows/github-actions-essential-ci.yml

@@ -161,6 +161,60 @@ jobs:
       - name: clean up
         run: ./build/github/cleanup-engflow-keys.sh
         if: always()
+  EXPERIMENTAL_linux_amd64_build:
+    runs-on: [self-hosted, basic_runner_group]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+      - name: compute metadata
+        run: echo GITHUB_ACTIONS_BRANCH=${{ github.event.pull_request.number || github.ref_name}} >> "$GITHUB_ENV"
+      - run: ./build/github/get-engflow-keys.sh
+      - run: ./build/github/prepare-summarize-build.sh
+      - name: build
+        run: ./build/github/build.sh crosslinux
+      - name: upload build results
+        run: ./build/github/summarize-build.sh bes.bin
+        if: always()
+      - name: clean up
+        run: ./build/github/cleanup-engflow-keys.sh
+        if: always()
+  EXPERIMENTAL_linux_amd64_fips_build:
+    runs-on: [self-hosted, basic_runner_group]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+      - name: compute metadata
+        run: echo GITHUB_ACTIONS_BRANCH=${{ github.event.pull_request.number || github.ref_name}} >> "$GITHUB_ENV"
+      - run: ./build/github/get-engflow-keys.sh
+      - run: ./build/github/prepare-summarize-build.sh
+      - name: build
+        run: ./build/github/build.sh crosslinuxfips
+      - name: upload build results
+        run: ./build/github/summarize-build.sh bes.bin
+        if: always()
+      - name: clean up
+        run: ./build/github/cleanup-engflow-keys.sh
+        if: always()
+  EXPERIMENTAL_linux_arm64_build:
+    runs-on: [self-hosted, basic_runner_group]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha || github.ref }}
+      - name: compute metadata
+        run: echo GITHUB_ACTIONS_BRANCH=${{ github.event.pull_request.number || github.ref_name}} >> "$GITHUB_ENV"
+      - run: ./build/github/get-engflow-keys.sh
+      - run: ./build/github/prepare-summarize-build.sh
+      - name: build
+        run: ./build/github/build.sh crosslinuxarm
+      - name: upload build results
+        run: ./build/github/summarize-build.sh bes.bin
+        if: always()
+      - name: clean up
+        run: ./build/github/cleanup-engflow-keys.sh
+        if: always()
   macos_amd64_build:
     runs-on: [self-hosted, basic_runner_group]
     steps:
@@ -172,7 +226,7 @@ jobs:
       - run: ./build/github/get-engflow-keys.sh
       - run: ./build/github/prepare-summarize-build.sh
       - name: build
-        run: bazel build //pkg/cmd/cockroach //pkg/cmd/cockroach-short //pkg/cmd/cockroach-sql //pkg/cmd/cockroach-oss //pkg/cmd/roachprod //pkg/cmd/workload //pkg/cmd/dev //c-deps:libgeos --config crossmacos --jobs 100 --remote_download_minimal --build_event_binary_file=bes.bin $(./build/github/engflow-args.sh)
+        run: ./build/github/build.sh crossmacos
       - name: upload build results
         run: ./build/github/summarize-build.sh bes.bin
         if: always()
@@ -190,7 +244,7 @@ jobs:
       - run: ./build/github/get-engflow-keys.sh
       - run: ./build/github/prepare-summarize-build.sh
       - name: build
-        run: bazel build //pkg/cmd/cockroach //pkg/cmd/cockroach-short //pkg/cmd/cockroach-sql //pkg/cmd/cockroach-oss //pkg/cmd/roachprod //pkg/cmd/workload //pkg/cmd/dev //c-deps:libgeos --config crossmacosarm --jobs 100 --remote_download_minimal --build_event_binary_file=bes.bin $(./build/github/engflow-args.sh)
+        run: ./build/github/build.sh crossmacosarm
       - name: upload build results
         run: ./build/github/summarize-build.sh bes.bin
         if: always()

build/github/build.sh

@@ -0,0 +1,45 @@
+set -euxo pipefail
+
+# Usage: must provide a cross config as argument
+
+if [ -z "$1" ]
+then
+    echo 'Usage: build.sh CONFIG'
+    exit 1
+fi
+
+CONFIG="$1"
+
+EXTRA_TARGETS=
+
+# Extra targets to build on Linux x86_64 only.
+if [ "$CONFIG" == "crosslinux" ]
+then
+    EXTRA_TARGETS=$(grep '^//' docs/generated/bazel_targets.txt)
+fi
+
+# Extra targets to build on Unix only.
+if [ "$CONFIG" != "crosswindows" ]
+then
+    EXTRA_TARGETS="$EXTRA_TARGETS //pkg/cmd/roachprod //pkg/cmd/workload //pkg/cmd/dev //pkg/cmd/bazci //pkg/cmd/bazci/process-bep-file"
+fi
+
+EXTRA_ARGS=
+# GEOS does not compile on windows.
+GEOS_TARGET=//c-deps:libgeos
+
+if [ "$CONFIG" == "crosswindows" ]
+then
+   EXTRA_ARGS=--enable_runfiles
+   GEOS_TARGET=
+fi
+
+bazel build \
+    --config "$CONFIG" $EXTRA_ARGS \
+    --jobs 100 \
+    --build_event_binary_file=bes.bin \
+    $(./build/github/engflow-args.sh) \
+    //pkg/cmd/cockroach-short //pkg/cmd/cockroach \
+    //pkg/cmd/cockroach-sql \
+    //pkg/cmd/cockroach-oss $GEOS_TARGET $EXTRA_TARGETS
+