drone-kubernetes/update.sh

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#!/bin/bash
set -euo pipefail
if [ ! -z ${PLUGIN_KUBERNETES_USER} ]; then
KUBERNETES_USER=${PLUGIN_KUBERNETES_USER:-default}
fi
if [ ! -z ${PLUGIN_KUBERNETES_ENV} ]; then
KUBERNETES_ENV=${PLUGIN_KUBERNETES_ENV}
KUBERNETES_SERVER_VAR=KUBERNETES_SERVER_${KUBERNETES_ENV}
KUBERNETES_CERT_VAR=KUBERNETES_SERVER_CERT_${KUBERNETES_ENV}
KUBERNETES_SERVER=${!KUBERNETES_SERVER_VAR}
KUBERNETES_CERT=${!KUBERNETES_CERT_VAR}
if [[ -z "${KUBERNETES_SERVER}" ]]; then
echo "ERROR: drone secret ${KUBERNETES_SERVER_VAR} not added!"
exit 1
fi
if [[ -z "${KUBERNETES_CERT}" ]]; then
echo "ERROR: drone secret ${KUBERNETES_CERT_VAR} not added!"
echo "Inscure connection to the cluster will be used."
fi
else
echo "ERROR: kubernetes_env not provided"
exit 1
fi
if [ -z ${PLUGIN_NAMESPACE} ]; then
PLUGIN_NAMESPACE="default"
fi
if [[ ! -z "${KUBERNETES_CLIENT_CERT}" ]] && [[ ! -z "${KUBERNETES_CLIENT_KEY}" ]]; then
echo "INFO: Setting client credentials with signed-certificate and key."
echo ${KUBERNETES_CLIENT_CERT} | base64 -d > client.crt
echo ${KUBERNETES_CLIENT_KEY} | base64 -d > client.key
kubectl config set-credentials ${KUBERNETES_USER} --client-certificate=client.crt --client-key=client.key
else
echo "ERROR: Provide the following authentication params:"
echo " - kubernetes_client_cert"
echo " - kubernetes_client_key"
echo "as drone secrets"
exit 1
fi
if [ ! -z "${KUBERNETES_CERT}" ]; then
echo "INFO: Using secure connection with tls-certificate."
echo ${KUBERNETES_CERT} | base64 -d > ca.crt
kubectl config set-cluster default --server=${KUBERNETES_SERVER} --certificate-authority=ca.crt
else
echo "WARNING: Using insecure connection to cluster"
kubectl config set-cluster default --server=${KUBERNETES_SERVER} --insecure-skip-tls-verify=true
fi
kubectl config set-context default --cluster=default --user=${KUBERNETES_USER}
kubectl config use-context default
# kubectl version
IFS=',' read -r -a DEPLOYMENTS <<< "${PLUGIN_DEPLOYMENT}"
IFS=',' read -r -a CONTAINERS <<< "${PLUGIN_CONTAINER}"
for DEPLOY in ${DEPLOYMENTS[@]}; do
echo Deploying to ${KUBERNETES_ENV}
for CONTAINER in ${CONTAINERS[@]}; do
kubectl -n ${PLUGIN_NAMESPACE} set image deployment/${DEPLOY} \
${CONTAINER}="${PLUGIN_REPO}:${PLUGIN_TAG}" --record
done
done