More updates from upstream

.azure-pipelines/bazel.yml

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+parameters:
+  - name: ciTarget
+    displayName: "CI target"
+    type: string
+    default: bazel.release
+
+steps:
+  - task: CacheBeta@1
+    inputs:
+      key: '"${{ parameters.ciTarget }}" | ./WORKSPACE | **/*.bzl'
+      path: $(Build.StagingDirectory)/repository_cache
+
+  - bash: |
+      echo "disk space at beginning of build:"
+      df -h
+    displayName: "Check disk space at beginning"
+
+  - bash: |
+      sudo mkdir -p /etc/docker
+      echo '{
+        "ipv6": true,
+        "fixed-cidr-v6": "2001:db8:1::/64"
+      }' | sudo tee /etc/docker/daemon.json
+      sudo service docker restart
+    displayName: "Enable IPv6"
+
+  - script: ci/run_envoy_docker.sh 'ci/do_ci.sh ${{ parameters.ciTarget }}'
+    workingDirectory: $(Build.SourcesDirectory)
+    env:
+      ENVOY_DOCKER_BUILD_DIR: $(Build.StagingDirectory)
+      ENVOY_RBE: "true"
+      # Use https://docs.bazel.build/versions/master/command-line-reference.html#flag--experimental_repository_cache_hardlinks
+      # to save disk space.
+      BAZEL_BUILD_EXTRA_OPTIONS: "--config=remote-ci --jobs=$(RbeJobs) --curses=no --experimental_repository_cache_hardlinks"
+      BAZEL_REMOTE_CACHE: grpcs://remotebuildexecution.googleapis.com
+      BAZEL_REMOTE_INSTANCE: projects/envoy-ci/instances/default_instance
+      GCP_SERVICE_ACCOUNT_KEY: $(GcpServiceAccountKey)
+    displayName: "Run CI script"
+
+  - bash: |
+      echo "disk space at end of build:"
+      df -h
+    displayName: "Check disk space at end"
+    condition: always()
+
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFiles: "**/bazel-out/**/testlogs/**/test.xml"
+      testRunTitle: "${{ parameters.ciTarget }}"
+      searchFolder: $(Build.StagingDirectory)/tmp
+    condition: always()
+
+  - task: PublishBuildArtifacts@1
+    inputs:
+      pathtoPublish: "$(Build.StagingDirectory)/envoy"
+      artifactName: ${{ parameters.ciTarget }}
+    condition: always()

.azure-pipelines/linux.yml

@@ -0,0 +1 @@
+pipelines.yml