Merge branch 'sh-support-google-cloud-memorystore' into 'master'

Add support for Google Cloud Memorystore

See merge request gitlab-org/gitlab-monitor!85
2 jobs for master in 25 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #4079412
rspec

00:00:22

passed #4079413
rubocop

00:00:25