pulsar-helm-chart/scripts/pulsar/prepare_helm_release.sh
Jiří Pinkava eb63a19964
Local mode for kubernetes object generators (#75)
This allows operation in environemnts where direct installation of objects into
kubernetes cluster is not desired or possible. For example when using sealedsecrets
or SOPS, where the secrets are firs encrypted and then commited into repository
and deployed latter by some other deployment system.

Co-authored-by: Jiří Pinkava <jiri.pinkava@rossum.ai>
2020-11-12 20:32:40 -07:00

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#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
CHART_HOME=$(unset CDPATH && cd $(dirname "${BASH_SOURCE[0]}")/../.. && pwd)
cd ${CHART_HOME}
usage() {
cat <<EOF
This script is used to bootstrap the pulsar namespace before deploying a helm chart.
Options:
-h,--help prints the usage message
-n,--namespace the k8s namespace to install the pulsar helm chart
-k,--release the pulsar helm release name
-s,--symmetric generate symmetric secret key. If not provided, an asymmetric pair of keys are generated.
--pulsar-superusers the superusers of pulsar cluster. a comma separated list of super users.
-c,--create-namespace flag to create k8s namespace.
-l,--local read and write output from local filesystem, do not deploy to kubernetes
Usage:
$0 --namespace pulsar --release pulsar-release
EOF
}
symmetric=false
create_namespace=false
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-n|--namespace)
namespace="$2"
shift
shift
;;
-c|--create-namespace)
create_namespace=true
shift
;;
-k|--release)
release="$2"
shift
shift
;;
--pulsar-superusers)
pulsar_superusers="$2"
shift
shift
;;
-s|--symmetric)
symmetric=true
shift
;;
-l|--local)
local=true
shift
;;
-h|--help)
usage
exit 0
;;
*)
echo "unknown option: $key"
usage
exit 1
;;
esac
done
namespace=${namespace:-pulsar}
release=${release:-pulsar-dev}
pulsar_superusers=${pulsar_superusers:-"proxy-admin,broker-admin,admin"}
function new_k8s_object() {
if [[ "${local}" == "true" ]]; then
echo ---
fi
}
function do_create_namespace() {
if [[ "${create_namespace}" == "true" ]]; then
new_k8s_object
kubectl create namespace ${namespace} ${local:+ -o yaml --dry-run=client}
fi
}
do_create_namespace
extra_opts=""
if [[ "${symmetric}" == "true" ]]; then
extra_opts="${extra_opts} -s"
fi
if [[ "${local}" == "true" ]]; then
extra_opts="${extra_opts} -l"
fi
echo "generate the token keys for the pulsar cluster" >&2
new_k8s_object
${CHART_HOME}/scripts/pulsar/generate_token_secret_key.sh -n ${namespace} -k ${release} ${extra_opts}
echo "generate the tokens for the super-users: ${pulsar_superusers}" >&2
IFS=', ' read -r -a superusers <<< "$pulsar_superusers"
for user in "${superusers[@]}"
do
echo "generate the token for $user" >&2
new_k8s_object
${CHART_HOME}/scripts/pulsar/generate_token.sh -n ${namespace} -k ${release} -r ${user} ${extra_opts}
done
echo "-------------------------------------" >&2
echo >&2
echo "The jwt token secret keys are generated under:" >&2
if [[ "${symmetric}" == "true" ]]; then
echo " - '${release}-token-symmetric-key'" >&2
else
echo " - '${release}-token-asymmetric-key'" >&2
fi
echo >&2
echo "The jwt tokens for superusers are generated and stored as below:" >&2
for user in "${superusers[@]}"
do
echo " - '${user}':secret('${release}-token-${user}')" >&2
done
echo >&2