shell/openstack-kubernetes-create.sh

   1 #!/bin/bash -l
   2 # SPDX-License-Identifier: EPL-1.0
   3 ##############################################################################
   4 # Copyright (c) 2019 The Linux Foundation and others.
   5 #
   6 # All rights reserved. This program and the accompanying materials
   7 # are made available under the terms of the Eclipse Public License v1.0
   8 # which accompanies this distribution, and is available at
   9 # http://www.eclipse.org/legal/epl-v10.html
  10 ##############################################################################
  11 # shellcheck disable=SC2153,SC2034
  12 echo "---> Creating kubernetes cluster"
  13
  14 set -eux -o pipefail
  15
  16 # shellcheck disable=SC1090
  17 source ~/lf-env.sh
  18
  19 # Check if openstack venv was previously created
  20 if [ -f "/tmp/.os_lf_venv" ]; then
  21     os_lf_venv=$(cat "/tmp/.os_lf_venv")
  22 fi
  23
  24 if [ -d "${os_lf_venv}" ] && [ -f "${os_lf_venv}/bin/openstack" ]; then
  25     echo "Re-use existing venv: ${os_lf_venv}"
  26     PATH=$os_lf_venv/bin:$PATH
  27 else
  28     lf-activate-venv --python python3 "cryptography<3.4" \
  29         "lftools[openstack]" \
  30         kubernetes \
  31         "niet~=1.4.2" \
  32         python-heatclient \
  33         python-openstackclient \
  34         python-magnumclient \
  35         setuptools \
  36         "openstacksdk<0.99" \
  37         yq
  38 fi
  39
  40 os_cloud="${OS_CLOUD:-vex}"
  41 fixed_network="${FIXED_NETWORK}"
  42 fixed_subnet="${FIXED_SUBNET}"
  43 cluster_template_name="${CLUSTER_TEMPLATE_NAME}"
  44 cluster_name="${CLUSTER_NAME}"
  45 base_image="${BASE_IMAGE}"
  46 keypair="${KEYPAIR}"
  47 master_flavor="${MASTER_FLAVOR}"
  48 node_flavor="${NODE_FLAVOR}"
  49 master_count="${MASTER_COUNT:-1}"
  50 node_count="${NODE_COUNT:-2}"
  51 boot_volume_size="${BOOT_VOLUME_SIZE}"
  52 docker_volume_size="${DOCKER_VOLUME_SIZE}"
  53 k8s_version="${KUBERNETES_VERSION}"
  54 cluster_settle_time="${CLUSTER_SETTLE_TIME:-1m}"
  55
  56
  57 # Create the template for the cluster first. Returns the cluster ID as $template_uuid
  58 template_uuid=$(openstack coe cluster template create "$cluster_template_name" \
  59     --os-cloud "$os_cloud" \
  60     --image "$base_image" \
  61     --keypair "$keypair" \
  62     --external-network public \
  63     --fixed-network "$fixed_network" \
  64     --fixed-subnet "$fixed_subnet" \
  65     --floating-ip-disabled \
  66     --master-flavor "$master_flavor" \
  67     --flavor "$node_flavor" \
  68     --docker-volume-size "$docker_volume_size" \
  69     --network-driver flannel \
  70     --master-lb-enabled \
  71     --volume-driver cinder \
  72     --labels \
  73 boot_volume_type=ssd,boot_volume_size="${boot_volume_size}",\
  74 kube_version="${k8s_version}",kube_tag="${k8s_version}" \
  75     --coe kubernetes \
  76     -f value -c uuid | tail -1)
  77
  78 # Create the kubernetes cluster
  79 cluster_uuid=$(openstack coe cluster create "$cluster_name" \
  80     --os-cloud "$os_cloud" \
  81     --master-count "$master_count" \
  82     --node-count "$node_count" \
  83     --cluster-template "$template_uuid" | awk -F ' ' '{print $5}')
  84
  85 # Sleep for a little, because sometimes OpenStack has to catch up with itself
  86 sleep 15
  87
  88 while \
  89 [ "$(openstack --os-cloud "$os_cloud" coe cluster show "$cluster_uuid" \
  90 -c status -f value)" == "CREATE_IN_PROGRESS" ]; do
  91     # echo "sleeping $(date)"
  92     sleep 2m
  93 done
  94
  95 if [ "$(openstack --os-cloud "$os_cloud" coe cluster show "$cluster_uuid" \
  96 -c status -f value)" == "CREATE_FAILED" ]; then
  97     echo "Failed to create cluster: $cluster_uuid $(date)"
  98     openstack --os-cloud "$os_cloud" coe cluster delete "$cluster_uuid"
  99     sleep 5m
 100     openstack --os-cloud "$os_cloud" coe cluster template delete "$template_uuid"
 101     exit 1
 102 fi
 103
 104 if [ "$(openstack --os-cloud "$os_cloud" coe cluster show "$cluster_uuid" \
 105 -c status -f value)" == "CREATE_COMPLETE" ]; then
 106     echo "Successfully created cluster: $cluster_uuid."
 107 fi