zabbix/deployment/roll-db-credential.sh

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#!/bin/bash
. ../../ENVDB
DATABASE=zabbix
LOGIN=zabbix
PASSWORD=`openssl rand -base64 24`
NAMESPACE=$(cat namespace)
ARG1=$1
if [ "$ARG1" = "initial" ]; then
psql <<EOF
do
\$\$
begin
CREATE USER $LOGIN;
COMMIT;
CREATE DATABASE $DATABASE WITH OWNER $LOGIN;
end
\$\$
;
commit;
EOF
fi
psql <<EOF
do
\$\$
begin
ALTER USER $LOGIN WITH PASSWORD '$PASSWORD';
GRANT ALL PRIVILEGES ON DATABASE $DATABASE TO $LOGIN;
end
\$\$
;
commit;
EOF
kubectl create secret generic database-cred \
--dry-run=client \
-o yaml \
--save-config \
--from-literal=POSTGRES_USER="$LOGIN" \
--from-literal=POSTGRES_PASSWORD="$PASSWORD" | \
--from-literal=POSTGRES_DB="$DATABASE" | \
--from-literal=DB_SERVER_HOST="timescaledb.database.svc.cluster.local" | \
kubectl apply -f - -n $NAMESPACE