1 files changed, 42 insertions, 0 deletions
diff --git a/roles/openshift_gcp/files/bootstrap-script.sh b/roles/openshift_gcp/files/bootstrap-script.sh
new file mode 100644
index 000000000..0c3f1999b
--- /dev/null
+++ b/roles/openshift_gcp/files/bootstrap-script.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+#
+# This script is a startup script for bootstrapping a GCP node
+# from a config stored in the project metadata. It loops until
+# it finds the script and then starts the origin-node service.
+# TODO: generalize
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+if [[ "$( curl "http://metadata.google.internal/computeMetadata/v1/instance/attributes/bootstrap" -H "Metadata-Flavor: Google" )" != "true" ]]; then
+  echo "info: Bootstrap is not enabled for this instance, skipping" 1>&2
+  exit 0
+fi
+
+if ! id=$( curl "http://metadata.google.internal/computeMetadata/v1/instance/attributes/cluster-id" -H "Metadata-Flavor: Google" ); then
+  echo "error: Unable to get cluster-id for instance from cluster metadata" 1>&2
+  exit 1
+fi
+
+if ! node_group=$( curl "http://metadata.google.internal/computeMetadata/v1/instance/attributes/node-group" -H "Metadata-Flavor: Google" ); then
+  echo "error: Unable to get node-group for instance from cluster metadata" 1>&2
+  exit 1
+fi
+
+if ! config=$( curl -f "http://metadata.google.internal/computeMetadata/v1/instance/attributes/bootstrap-config" -H "Metadata-Flavor: Google" 2>/dev/null ); then
+  while true; do
+    if config=$( curl -f "http://metadata.google.internal/computeMetadata/v1/project/attributes/${id}-bootstrap-config" -H "Metadata-Flavor: Google" 2>/dev/null ); then
+      break
+    fi
+    echo "info: waiting for ${id}-bootstrap-config to become available in cluster metadata ..." 1>&2
+    sleep 5
+  done
+fi
+
+echo "Got bootstrap config from metadata"
+mkdir -p /etc/origin/node
+echo -n "${config}" > /etc/origin/node/bootstrap.kubeconfig
+echo "BOOTSTRAP_CONFIG_NAME=node-config-${node_group}" >> /etc/sysconfig/origin-node
+systemctl enable origin-node
+systemctl start origin-node