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https://github.com/honestbee/drone-kubernetes.git
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script: rewrite with functions
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hashfyre
parent
661f470526
commit
e715f7e0e8
1 changed files with 190 additions and 80 deletions
270
update.sh
270
update.sh
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@ -1,99 +1,209 @@
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#!/bin/bash
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set -euo pipefail
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# check optional params
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if [ ! -z ${PLUGIN_USER} ]; then
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# globals
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USER=""
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NAMESPACE=""
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CLUSTER=""
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DEPLOYMENTS=""
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CONTAINERS=""
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SERVER_URL=""
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# set globals
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setUser(){
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USER=${PLUGIN_USER:-default}
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fi
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}
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if [ ! -z ${PLUGIN_NAMESPACE} ]; then
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setNamespace(){
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NAMESPACE=${PLUGIN_NAMESPACE:-default}
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fi
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}
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# check required params
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if [ ! -z ${PLUGIN_CLUSTER} ]; then
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# convert cluster name to ucase and assign
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CLUSTER=${PLUGIN_CLUSTER^^}
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setDeployments(){
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IFS=',' read -r -a DEPLOYMENTS <<< "${PLUGIN_DEPLOYMENT}"
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}
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# create dynamic cert var names
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SERVER_URL_VAR=SERVER_URL_${CLUSTER}
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SERVER_CERT_VAR=SERVER_CERT_${CLUSTER}
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setContainers(){
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IFS=',' read -r -a CONTAINERS <<< "${PLUGIN_CONTAINER}"
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}
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# expand the var contents
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SERVER_URL=${!SERVER_URL_VAR}
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SERVER_CERT=${!SERVER_CERT_VAR}
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if [[ -z "${SERVER_URL}" ]]; then
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echo "[ERROR] drone secret: ${SERVER_URL_VAR} not added!"
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setCluster(){
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if [ ! -z ${PLUGIN_CLUSTER} ]; then
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# convert cluster name to ucase and assign
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CLUSTER=${PLUGIN_CLUSTER^^}
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else
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echo "[ERROR] Required pipeline parameter: cluster not provided"
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exit 1
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fi
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}
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if [[ ! -z "${SERVER_CERT}" ]]; then
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echo "[INFO] Using secure connection with tls-certificate."
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echo ${SERVER_CERT} | base64 -d > ca.crt
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kubectl config set-cluster ${CLUSTER} --server=${SERVER_URL} --certificate-authority=ca.crt
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setServerUrl(){
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# create dynamic cert var names
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local SERVER_URL_VAR=SERVER_URL_${CLUSTER}
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SERVER_URL=${!SERVER_URL_VAR}
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if [[ -z "${SERVER_URL}" ]]; then
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echo "[ERROR] Required drone secret: ${SERVER_URL_VAR} not added!"
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exit 1
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fi
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}
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# vars based on auth_mode
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if [ ! -z ${PLUGIN_AUTH_MODE} ]; then
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if [[ "${PLUGIN_AUTH_MODE}" == "token" ]]; then
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echo "[INFO] Using Server token to authorize"
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SERVER_TOKEN_VAR=SERVER_TOKEN_${CLUSTER}
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# expand
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SERVER_TOKEN=${!SERVER_TOKEN_VAR}
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if [[ ! -z "${SERVER_TOKEN}" ]]; then
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kubectl config set-credentials ${USER} --token=${SERVER_TOKEN}
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else
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echo "[ERROR] Required plugin param - server_token - not provided."
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exit 1
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fi
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elif [[ "${PLUGIN_AUTH_MODE}" == "client-cert" ]]; then
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echo "[INFO] Using Client cert and Key to authorize"
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CLIENT_CERT_VAR=CLIENT_CERT_${CLUSTER}
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CLIENT_KEY_VAR=CLIENT_KEY_${CLUSTER}
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# expand
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CLIENT_CERT=${!CLIENT_CERT_VAR}
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CLIENT_KEY=${!CLIENT_KEY_VAR}
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setGlobals(){
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setUser
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setNamespace
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setDeployments
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setContainers
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setCluster
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setServerUrl
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}
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if [[ ! -z "${CLIENT_CERT}" ]] && [[ ! -z "${CLIENT_KEY}" ]]; then
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echo "[INFO] Setting client credentials with signed-certificate and key."
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echo ${CLIENT_CERT} | base64 -d > client.crt
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echo ${CLIENT_KEY} | base64 -d > client.key
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kubectl config set-credentials ${USER} --client-certificate=client.crt --client-key=client.key
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else
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echo "[ERROR] Required plugin parameters:"
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echo " - client_cert"
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echo " - client_key"
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echo "are not provided"
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exit 1
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fi
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else
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echo "[ERROR] Required plugin param - auth_mode - not provided"
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echo "[INFO] Should be either [ token | client-cert ]"
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exit 1
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fi
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setSecureCluster(){
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local CLUSTER=$1; shift
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local SERVER_URL=$1; shift
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local SERVER_CERT=$1
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echo "[INFO] Using secure connection with tls-certificate."
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echo ${SERVER_CERT} | base64 -d > ca.crt
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kubectl config set-cluster ${CLUSTER} --server=${SERVER_URL} --certificate-authority=ca.crt
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}
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setInsecureCluster(){
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local CLUSTER=$1; shift
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local SERVER_URL=$1
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echo "[WARNING] Using insecure connection to cluster"
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kubectl config set-cluster ${CLUSTER} --server=${SERVER_URL} --insecure-skip-tls-verify=true
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}
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setServerToken(){
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local USER=$1; shift
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local SERVER_TOKEN=$1
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echo "[INFO] Setting client credentials with token"
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kubectl config set-credentials ${USER} --token=${SERVER_TOKEN}
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}
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setClientCertAndKey(){
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local USER=$1; shift
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local CLIENT_CERT=$1; shift
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local CLIENT_KEY=$1
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echo "[INFO] Setting client credentials with signed-certificate and key."
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echo ${CLIENT_CERT} | base64 -d > client.crt
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echo ${CLIENT_KEY} | base64 -d > client.key
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kubectl config set-credentials ${USER} --client-certificate=client.crt --client-key=client.key
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}
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setContext(){
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local CLUSTER=$1; shift
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local USER=$1
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kubectl config set-context ${CLUSTER} --cluster=${CLUSTER} --user=${USER}
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kubectl config use-context ${CLUSTER}
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}
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pollDeploymentRollout(){
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local NAMESPACE=$1; shift
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local DEPLOY=$1
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# wait on deployment rollout status
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kubectl -n ${NAMESPACE} rollout status --watch=false --revision=0 deployment/${DEPLOY}
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}
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startDeployment(){
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local CLUSTER=$1; shift
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local NAMESPACE=$1; shift
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local DEPLOYMENTS=$1; shift
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local CONTAINERS=$1
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for DEPLOY in ${DEPLOYMENTS[@]}; do
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echo Deploying to ${CLUSTER}
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for CONTAINER in ${CONTAINERS[@]}; do
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kubectl -n ${NAMESPACE} set image deployment/${DEPLOY} \
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${CONTAINER}="${PLUGIN_REPO}:${PLUGIN_TAG}" --record
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done
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#pollDeploymentRollout ${NAMESPACE} ${DEPLOY}
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done
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}
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clientAuthToken(){
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local CLUSTER=$1; shift
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local USER=$1
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echo "[INFO] Using Server token to authorize"
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CLIENT_TOKEN_VAR=CLIENT_TOKEN_${CLUSTER}
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CLIENT_TOKEN=${!CLIENT_TOKEN_VAR}
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if [[ ! -z "${CLIENT_TOKEN}" ]]; then
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setClientToken ${USER} ${CLIENT_TOKEN}
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else
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echo "[ERROR] Required plugin secrets:"
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echo " - ${CLIENT_TOKEN_VAR}"
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echo "not provided."
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exit 1
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fi
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}
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clientAuthCert(){
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local CLUSTER=$1; shift
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local USER=$1
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echo "[INFO] Using Client cert and Key to authorize"
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CLIENT_CERT_VAR=CLIENT_CERT_${CLUSTER}
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CLIENT_KEY_VAR=CLIENT_KEY_${CLUSTER}
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# expand
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CLIENT_CERT=${!CLIENT_CERT_VAR}
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CLIENT_KEY=${!CLIENT_KEY_VAR}
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if [[ ! -z "${CLIENT_CERT}" ]] && [[ ! -z "${CLIENT_KEY}" ]]; then
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setClientCertAndKey ${USER} ${CLIENT_CERT} ${CLIENT_KEY}
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else
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echo "[ERROR] Required plugin secrets:"
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echo " - ${CLIENT_CERT_VAR}"
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echo " - ${CLIENT_KEY_VAR}"
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echo "not provided"
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exit 1
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fi
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}
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clientAuth(){
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local AUTH_MODE=$1; shift
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local CLUSTER=$1; shift
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local USER=$1
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if [ ! -z ${AUTH_MODE} ]; then
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if [[ "${AUTH_MODE}" == "token" ]]; then
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clientAuthToken ${CLUSTER} ${USER}
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elif [[ "${AUTH_MODE}" == "client-cert" ]]; then
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clientAuthCert ${CLUSTER} ${USER}
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else
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echo "[ERROR] Required plugin param - auth_mode - Should be either:"
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echo "[ token | client-cert ]"
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exit 1
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fi
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else
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echo "[WARNING] Required plugin parameter: ${SERVER_CERT_VAR} not added!"
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echo "[WARNING] Using insecure connection to cluster"
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kubectl config set-cluster ${CLUSTER} --server=${SERVER_URL} --insecure-skip-tls-verify=true
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echo "[ERROR] Required plugin param - auth_mode - not provided"
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exit 1
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fi
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else
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echo "[ERROR] Required pipeline parameter: cluster not provided"
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exit 1
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fi
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}
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kubectl config set-context ${CLUSTER} --cluster=${CLUSTER} --user=${USER}
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kubectl config use-context ${CLUSTER}
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clusterAuth(){
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local SERVER_URL=$1; shift
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local CLUSTER=$1; shift
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local USER=$1
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# kubectl version
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IFS=',' read -r -a DEPLOYMENTS <<< "${PLUGIN_DEPLOYMENT}"
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IFS=',' read -r -a CONTAINERS <<< "${PLUGIN_CONTAINER}"
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for DEPLOY in ${DEPLOYMENTS[@]}; do
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echo Deploying to ${CLUSTER}
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for CONTAINER in ${CONTAINERS[@]}; do
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kubectl -n ${NAMESPACE} set image deployment/${DEPLOY} \
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${CONTAINER}="${PLUGIN_REPO}:${PLUGIN_TAG}" --record
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done
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# wait on deployment rollout status
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# kubectl -n ${NAMESPACE} rollout status deployment/${DEPLOY}
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done
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SERVER_CERT_VAR=SERVER_CERT_${CLUSTER}
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SERVER_CERT=${!SERVER_CERT_VAR}
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if [[ ! -z "${SERVER_CERT}" ]]; then
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setSecureCluster ${CLUSTER} ${SERVER_URL} ${SERVER_CERT}
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AUTH_MODE=${PLUGIN_AUTH_MODE}
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clientAuth ${AUTH_MODE} ${CLUSTER} ${USER}
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else
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echo "[WARNING] Required plugin parameter: ${SERVER_CERT_VAR} not added!"
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setInsecureCluster ${CLUSTER} ${SERVER_URL}
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fi
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}
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setGlobals
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clusterAuth ${SERVER_URL} ${CLUSTER} ${USER}
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setContext ${CLUSTER} ${USER}
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startDeployment ${CLUSTER} ${NAMESPACE} ${DEPLOYMENTS} ${CONTAINERS}
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