From 7229db3271752f0b70a255306577cd8fcd68a8ab Mon Sep 17 00:00:00 2001
From: Preston Van Loon <preston@machinepowered.com>
Date: Sat, 7 Jul 2018 16:01:58 -0400
Subject: [PATCH] Bazel cache for travis (#236)

* use google cloud storage for remote caching

* install gcloud

* poke readme to kick travis

* Remove cache thing

* unpoke README

* remove tabs from copy paste

* fix more tabs... what happened?

* fix formatting i think

* parsable yml

* try to cache the cloud sdk tools

* add gcloud to path

* dont need gcloud

* move service account to home directory

* lets try tmp directory


Former-commit-id: 0e844dc112bf6a78e0f3c24eb1ca4ce1ba4f376a [formerly c8106e91a46e7db40710f637bab3658fa9686cc4]
Former-commit-id: f9c69ca80a9a110568bf932eb913f3408f953e56
---
 .travis-bazelrc          |   8 +++++---
 .travis.yml              |   4 ++++
 service-account.json.enc | Bin 0 -> 2352 bytes
 3 files changed, 9 insertions(+), 3 deletions(-)
 create mode 100644 service-account.json.enc

diff --git a/.travis-bazelrc b/.travis-bazelrc
index 18214aed1..9ef93c841 100644
--- a/.travis-bazelrc
+++ b/.travis-bazelrc
@@ -1,15 +1,17 @@
-# TODO: Set up remote caching.
-
 startup --host_jvm_args=-Xmx500m --host_jvm_args=-Xms500m
 
 # Disable sandboxing since it may fail inside of Travis' containers because the
 # mount system call is not permitted.
 build --spawn_strategy=standalone --genrule_strategy=standalone
 
+# Remote caching over Google Cloud Storage
+build --remote_http_cache=https://storage.googleapis.com/prysmatic-bazel-cache 
+build --google_credentials=/tmp/service-account.json
+
 # Set some build options for travis container.
 build --local_resources=1536,1.5,0.5
 build --noshow_progress
 build --verbose_failures 
 build --sandbox_debug
 build --test_output=errors
-build --flaky_test_attempts=5
\ No newline at end of file
+build --flaky_test_attempts=5
diff --git a/.travis.yml b/.travis.yml
index 86748b84d..a561496ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ matrix:
     - os: linux
       env: V=0.15.0
       before_install:
+        # Install Bazel
         - |
           if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then
             OS=darwin
@@ -40,6 +41,9 @@ matrix:
           chmod +x install.sh
           ./install.sh --user
           rm -f install.sh
+        # Decrypt service account
+        - openssl aes-256-cbc -K $encrypted_64ca747eb448_key -iv $encrypted_64ca747eb448_iv
+          -in service-account.json.enc -out /tmp/service-account.json -d
       
       install: true # Skip install go packages.
           
diff --git a/service-account.json.enc b/service-account.json.enc
new file mode 100644
index 0000000000000000000000000000000000000000..0c3e9f716346bed245e7222586730ea6cdfc80b0
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