chore(NA): integrate build buddy with our bazel setup and remote cache for ci

.bazelrc

@@ -2,8 +2,17 @@
 # Import shared settings first so we can override below
 import %workspace%/.bazelrc.common
 
+## Disabled for now
 # Remote cache settings for local env
 # build --remote_cache=https://storage.googleapis.com/kibana-bazel-cache
 # build --incompatible_remote_results_ignore_disk=true
 # build --remote_accept_cached=true
 # build --remote_upload_local_results=false
+
+# BuildBuddy
+## Metadata settings
+build --workspace_status_command=$(pwd)/src/dev/bazel_workspace_status.sh
+# Enable this in case you want to share your build info
+# build --build_metadata=VISIBILITY=PUBLIC
+build --build_metadata=TEST_GROUPS=//packages
+

src/dev/bazel_workspace_status.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+# Inspired on https://github.com/buildbuddy-io/buildbuddy/blob/master/workspace_status.sh
+# This script will be run bazel when building process starts to
+# generate key-value information that represents the status of the
+# workspace. The output should be like
+#
+# KEY1 VALUE1
+# KEY2 VALUE2
+#
+# If the script exits with non-zero code, it's considered as a failure
+# and the output will be discarded.
+
+# Git repo
+repo_url=$(git config --get remote.origin.url)
+if [[ $? != 0 ]];
+then
+    exit 1
+fi
+echo "REPO_URL ${repo_url}"
+
+# Commit SHA
+commit_sha=$(git rev-parse HEAD)
+if [[ $? != 0 ]];
+then
+    exit 1
+fi
+echo "COMMIT_SHA ${commit_sha}"
+
+# Git branch
+repo_url=$(git rev-parse --abbrev-ref HEAD)
+if [[ $? != 0 ]];
+then
+    exit 1
+fi
+echo "GIT_BRANCH ${repo_url}"
+
+# Tree status
+git diff-index --quiet HEAD --
+if [[ $? == 0 ]];
+then
+    tree_status="Clean"
+else
+    tree_status="Modified"
+fi
+echo "GIT_TREE_STATUS ${tree_status}"
+
+# Host
+if [ "$CI" = "true" ]; then
+  host=$(hostname | sed 's|\(.*\)-.*|\1|')
+  cores=$(grep ^cpu\\scores /proc/cpuinfo | uniq | awk '{print $4}' )
+  if [[ $? != 0 ]];
+  then
+      exit 1
+  fi
+  echo "HOST ${host}-${cores}"
+fi

src/dev/ci_setup/.bazelrc-ci

@@ -5,6 +5,12 @@
 # Import and load bazelrc common settings for ci env
 try-import %workspace%/src/dev/ci_setup/.bazelrc-ci.common
 
-# Remote cache settings for ci env
-# build --google_default_credentials
-# build --remote_upload_local_results=true
+# BuildBuddy settings
+## Remote settings including cache
+build --bes_results_url=https://app.buildbuddy.io/invocation/
+build --bes_backend=grpcs://cloud.buildbuddy.io
+build --remote_cache=grpcs://cloud.buildbuddy.io
+build --remote_timeout=3600
+
+## Metadata settings
+build --build_metadata=ROLE=CI

src/dev/ci_setup/.bazelrc-ci.common

@@ -5,7 +5,7 @@
 build --noshow_progress
 
 # Print all the options that apply to the build.
-build --announce_rc
+# build --announce_rc
 
 # More details on failures
 build --verbose_failures=true

src/dev/ci_setup/load_env_keys.sh

@@ -34,6 +34,9 @@ else
   PERCY_TOKEN=$(retry 5 vault read -field=value secret/kibana-issues/dev/percy)
   export PERCY_TOKEN
 
+  KIBANA_BUILDBUDDY_CI_API_KEY=$(retry 5 vault read -field=value secret/kibana-issues/dev/kibana-buildbuddy-ci-api-key)
+  export KIBANA_BUILDBUDDY_CI_API_KEY
+
   # remove vault related secrets
   unset VAULT_ROLE_ID VAULT_SECRET_ID VAULT_TOKEN VAULT_ADDR
 fi

src/dev/ci_setup/setup.sh

@@ -10,6 +10,17 @@ echo " -- PARENT_DIR='$PARENT_DIR'"
 echo " -- KIBANA_PKG_BRANCH='$KIBANA_PKG_BRANCH'"
 echo " -- TEST_ES_SNAPSHOT_VERSION='$TEST_ES_SNAPSHOT_VERSION'"
 
+###
+### copy .bazelrc-ci into $HOME/.bazelrc
+###
+cp "src/dev/ci_setup/.bazelrc-ci" "$HOME/.bazelrc";
+
+###
+### append auth token to buildbuddy into "$HOME/.bazelrc";
+###
+echo "# Appended by src/dev/ci_setup/setup.sh" >> "$HOME/.bazelrc"
+echo "build --remote_header=x-buildbuddy-api-key=$KIBANA_BUILDBUDDY_CI_API_KEY" >> "$HOME/.bazelrc"
+
 ###
 ### install dependencies
 ###
@@ -66,7 +77,3 @@ if [ "$GIT_CHANGES" ]; then
   exit 1
 fi
 
-###
-### copy .bazelrc-ci into $HOME/.bazelrc
-###
-cp "src/dev/ci_setup/.bazelrc-ci" "$HOME/.bazelrc";