Install Docker on all Linux VMs
diff --git a/gce/ubuntu-docker.sh b/gce/ubuntu-docker.sh
new file mode 100644
index 0000000..f66f031
--- /dev/null
+++ b/gce/ubuntu-docker.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+
+set -eu
+
+apt-get -y install apt-transport-https ca-certificates
+
+# From https://download.docker.com/linux/ubuntu/gpg
+cat <<'EOF' | apt-key add -
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
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+=0YYh
+-----END PGP PUBLIC KEY BLOCK-----
+EOF
+
+add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+
+apt-get -y update
+apt-get -y install docker-ce
+
+# Docker group
+usermod -aG docker ci
diff --git a/gce/vm.sh b/gce/vm.sh
index 6f5cbaa..0550d5c 100755
--- a/gce/vm.sh
+++ b/gce/vm.sh
@@ -35,14 +35,14 @@
# Executor nodes for ci.bazel.build
SLAVES=(
- "ubuntu-14-04-slave-1 ubuntu-1404-lts ubuntu_14.04-x86_64-1 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
- "ubuntu-14-04-slave-2 ubuntu-1404-lts ubuntu_14.04-x86_64-2 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
- "ubuntu-14-04-slave-3 ubuntu-1404-lts ubuntu_14.04-x86_64-3 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
- "ubuntu-14-04-slave-4 ubuntu-1404-lts ubuntu_14.04-x86_64-4 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
- "ubuntu-16-04-slave-1 ubuntu-1604-lts ubuntu_16.04-x86_64-1 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
- "ubuntu-16-04-slave-2 ubuntu-1604-lts ubuntu_16.04-x86_64-2 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
- "ubuntu-16-04-slave-3 ubuntu-1604-lts ubuntu_16.04-x86_64-3 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
- "ubuntu-16-04-slave-4 ubuntu-1604-lts ubuntu_16.04-x86_64-4 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-14-04-slave-1 ubuntu-1404-lts ubuntu_14.04-x86_64-1 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-14-04-slave-2 ubuntu-1404-lts ubuntu_14.04-x86_64-2 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-14-04-slave-3 ubuntu-1404-lts ubuntu_14.04-x86_64-3 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-14-04-slave-4 ubuntu-1404-lts ubuntu_14.04-x86_64-4 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-14-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-16-04-slave-1 ubuntu-1604-lts ubuntu_16.04-x86_64-1 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-16-04-slave-2 ubuntu-1604-lts ubuntu_16.04-x86_64-2 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-16-04-slave-3 ubuntu-1604-lts ubuntu_16.04-x86_64-3 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
+ "ubuntu-16-04-slave-4 ubuntu-1604-lts ubuntu_16.04-x86_64-4 europe-west1-d default startup-script=jenkins-slave.sh ubuntu-16-04-slave.sh ubuntu-docker.sh bootstrap-bazel.sh linux-android.sh cleanup-install.sh"
"freebsd-11-slave-1 https://www.googleapis.com/compute/v1/projects/freebsd-org-cloud-dev/global/images/freebsd-11-1-stable-amd64-2017-12-28 freebsd-11-1 europe-west1-d default startup-script=jenkins-slave.sh freebsd-slave.sh freebsd-ci-homedir.sh"
"freebsd-11-slave-2 https://www.googleapis.com/compute/v1/projects/freebsd-org-cloud-dev/global/images/freebsd-11-1-stable-amd64-2017-12-28 freebsd-11-2 europe-west1-d default startup-script=jenkins-slave.sh freebsd-slave.sh freebsd-ci-homedir.sh"
"freebsd-12-slave-1 https://www.googleapis.com/compute/v1/projects/freebsd-org-cloud-dev/global/images/freebsd-12-0-current-amd64-2017-12-28 freebsd-12-1 europe-west1-d default startup-script=jenkins-slave.sh freebsd-slave.sh freebsd-ci-homedir.sh"
