update

kubespray/contrib/terraform/gcp/generate-inventory.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+
+#
+# Generates a inventory file based on the terraform output.
+# After provisioning a cluster, simply run this command and supply the terraform state file
+# Default state file is terraform.tfstate
+#
+
+set -e
+
+usage () {
+  echo "Usage: $0 <state file>" >&2
+  exit 1
+}
+
+if [[ $# -ne 1 ]]; then
+  usage
+fi
+
+TF_STATE_FILE=${1}
+
+if [[ ! -f "${TF_STATE_FILE}" ]]; then
+  echo "ERROR: state file ${TF_STATE_FILE} doesn't exist" >&2
+  usage
+fi
+
+TF_OUT=$(terraform output -state "${TF_STATE_FILE}" -json)
+
+MASTERS=$(jq -r '.master_ips.value | to_entries[]'  <(echo "${TF_OUT}"))
+WORKERS=$(jq -r '.worker_ips.value | to_entries[]'  <(echo "${TF_OUT}"))
+mapfile -t MASTER_NAMES < <(jq -r '.key'  <(echo "${MASTERS}"))
+mapfile -t WORKER_NAMES < <(jq -r '.key'  <(echo "${WORKERS}"))
+
+API_LB=$(jq -r '.control_plane_lb_ip_address.value' <(echo "${TF_OUT}"))
+
+# Generate master hosts
+i=1
+for name in "${MASTER_NAMES[@]}"; do
+  private_ip=$(jq -r '. | select( .key=='"\"${name}\""' ) | .value.private_ip'  <(echo "${MASTERS}"))
+  public_ip=$(jq -r '. | select( .key=='"\"${name}\""' ) | .value.public_ip'  <(echo "${MASTERS}"))
+  echo "${name} ansible_user=ubuntu ansible_host=${public_ip} ip=${private_ip} etcd_member_name=etcd${i}"
+  i=$(( i + 1 ))
+done
+
+# Generate worker hosts
+for name in "${WORKER_NAMES[@]}"; do
+  private_ip=$(jq -r '. | select( .key=='"\"${name}\""' ) | .value.private_ip'  <(echo "${WORKERS}"))
+  public_ip=$(jq -r '. | select( .key=='"\"${name}\""' ) | .value.public_ip'  <(echo "${WORKERS}"))
+  echo "${name} ansible_user=ubuntu ansible_host=${public_ip} ip=${private_ip}"
+done
+
+echo ""
+echo "[kube_control_plane]"
+for name in "${MASTER_NAMES[@]}"; do
+  echo "${name}"
+done
+
+echo ""
+echo "[kube_control_plane:vars]"
+echo "supplementary_addresses_in_ssl_keys = [ '${API_LB}' ]" # Add LB address to API server certificate
+echo ""
+echo "[etcd]"
+for name in "${MASTER_NAMES[@]}"; do
+  echo "${name}"
+done
+
+echo ""
+echo "[kube_node]"
+for name in "${WORKER_NAMES[@]}"; do
+  echo "${name}"
+done
+
+echo ""
+echo "[k8s_cluster:children]"
+echo "kube_control_plane"
+echo "kube_node"