build: add cloud-RAD for Java (#313)

Co-authored-by: Jeff Ching <chingor@google.com>

Source-Author: Les Vogel <lesv@users.noreply.github.com>
Source-Date: Thu Jul 30 13:09:50 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: dd230c816f88d0141fcd0be83498986287220d1b
Source-Link: googleapis/synthtool@dd230c8

.kokoro/release/publish_javadoc.cfg

@@ -1,14 +1,24 @@
 # Format: //devtools/kokoro/config/proto/build.proto
+
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/doc-templates/"
+
 env_vars: {
   key: "STAGING_BUCKET"
   value: "docs-staging"
 }
 
+env_vars: {
+  key: "STAGING_BUCKET_V2"
+  value: "docs-staging-v2-staging"
+  # Production will be at: docs-staging-v2
+}
+
 env_vars: {
   key: "TRAMPOLINE_BUILD_FILE"
   value: "github/java-firestore/.kokoro/release/publish_javadoc.sh"
 }
 
+
 before_action {
   fetch_keystore {
     keystore_resource {

.kokoro/release/publish_javadoc.sh

@@ -24,20 +24,25 @@ if [[ -z "${STAGING_BUCKET}" ]]; then
   exit 1
 fi
 
+if [[ -z "${STAGING_BUCKET_V2}" ]]; then
+  echo "Need to set STAGING_BUCKET_V2 environment variable"
+  exit 1
+fi
+
 # work from the git root directory
 pushd $(dirname "$0")/../../
 
 # install docuploader package
 python3 -m pip install gcp-docuploader
 
 # compile all packages
-mvn clean install -B -DskipTests=true
+mvn clean install -B -q -DskipTests=true
 
 NAME=google-cloud-firestore
 VERSION=$(grep ${NAME}: versions.txt | cut -d: -f3)
 
 # build the docs
-mvn site -B
+mvn site -B -q
 
 pushd target/site/apidocs
 
@@ -53,3 +58,19 @@ python3 -m docuploader upload . \
   --staging-bucket ${STAGING_BUCKET}
 
 popd
+
+# V2
+mvn clean site -B -q -Ddevsite.template="${KOKORO_GFILE_DIR}/java/"
+
+pushd target/devsite
+
+# create metadata
+python3 -m docuploader create-metadata \
+  --name ${NAME} \
+  --version ${VERSION} \
+  --language java
+
+# upload docs
+python3 -m docuploader upload . \
+  --credentials ${CREDENTIALS} \
+  --staging-bucket ${STAGING_BUCKET_V2}