#!/bin/bash

set -x

# Add chart repos and update

helm repo add postgres-operator-charts https://opensource.zalando.com/postgres-operator/charts/postgres-operator

helm repo add strimzi https://strimzi.io/charts/

helm repo add akhq https://akhq.io/

helm repo add elastic https://helm.elastic.co

helm repo add grafana https://grafana.github.io/helm-charts

helm repo add prometheus-community https://prometheus-community.github.io/helm-charts

helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts

helm repo add jetstack https://charts.jetstack.io

helm repo update

#Read configuration value from cluster-config.yaml file

read -rd '' DOMAIN POSTGRESQL_REPLICAS POSTGRESQL_USERNAME POSTGRESQL_PASSWORD \

KAFKA_REPLICAS ZOOKEEPER_REPLICAS ELASTICSEARCH_REPLICAES \

GRAFANA_USERNAME GRAFANA_PASSWORD \

< <(yq -r '.domain, .postgresql.replicas, .postgresql.username,

.postgresql.password, .kafka.replicas, .zookeeper.replicas,

.elasticsearch.replicas, .grafana.username, .grafana.password' ./cluster-config.yaml)

# Install the postgres-operator

helm upgrade --install postgres-operator postgres-operator-charts/postgres-operator \

--create-namespace --namespace postgres

#Install postgresql

helm upgrade --install postgres ./postgres/postgresql \

--create-namespace --namespace postgres \

--set replicas="$POSTGRESQL_REPLICAS" \

--set username="$POSTGRESQL_USERNAME" \

--set password="$POSTGRESQL_PASSWORD"

#Install pgadmin

pg_admin_hostname="pgadmin.$DOMAIN" yq -i '.hostname=env(pg_admin_hostname)' ./postgres/pgadmin/values.yaml

helm upgrade --install pgadmin ./postgres/pgadmin \

--create-namespace --namespace postgres \

#Install strimzi-kafka-operator

helm upgrade --install kafka-operator strimzi/strimzi-kafka-operator \

--create-namespace --namespace kafka

#Install kafka and postgresql connector

helm upgrade --install kafka-cluster ./kafka/kafka-cluster \

--create-namespace --namespace kafka \

--set kafka.replicas="$KAFKA_REPLICAS" \

--set zookeeper.replicas="$ZOOKEEPER_REPLICAS" \

--set postgresql.username="$POSTGRESQL_USERNAME" \

--set postgresql.password="$POSTGRESQL_PASSWORD"

#Install akhq

akhq_hostname="akhq.$DOMAIN" yq -i '.hostname=env(akhq_hostname)' ./kafka/akhq.values.yaml

helm upgrade --install akhq akhq/akhq \

--create-namespace --namespace kafka \

--values ./kafka/akhq.values.yaml

#Install elastic-operator

helm upgrade --install elastic-operator elastic/eck-operator \

--create-namespace --namespace elasticsearch

# Install elasticsearch-cluster

helm upgrade --install elasticsearch-cluster ./elasticsearch/elasticsearch-cluster \

--create-namespace --namespace elasticsearch \

--set elasticsearch.replicas="$ELASTICSEARCH_REPLICAES" \

--set kibana.ingress.hostname="kibana.$DOMAIN"

#Install loki

helm upgrade --install loki grafana/loki \

--create-namespace --namespace observability \

-f ./observability/loki.values.yaml

#Install tempo

helm upgrade --install tempo grafana/tempo \

--create-namespace --namespace observability \

-f ./observability/tempo.values.yaml

#Install cert manager

helm upgrade --install cert-manager jetstack/cert-manager \

--namespace cert-manager \

--create-namespace \

--version v1.12.0 \

--set installCRDs=true \

--set prometheus.enabled=false \

--set webhook.timeoutSeconds=4 \

--set admissionWebhooks.certManager.create=true

#Install opentelemetry-operator

helm upgrade --install opentelemetry-operator open-telemetry/opentelemetry-operator \

--create-namespace --namespace observability

#Install opentelemetry-collector

helm upgrade --install opentelemetry-collector ./observability/opentelemetry \

--create-namespace --namespace observability

#Install promtail

helm upgrade --install promtail grafana/promtail \

--create-namespace --namespace observability \

--values ./observability/promtail.values.yaml

#Install prometheus + grafana

grafana_hostname="grafana.$DOMAIN" yq -i '.hostname=env(grafana_hostname)' ./observability/prometheus.values.yaml

postgresql_username="$POSTGRESQL_USERNAME" yq -i '.grafana."grafana.ini".database.user=env(postgresql_username)' ./observability/prometheus.values.yaml

postgresql_password="$POSTGRESQL_PASSWORD" yq -i '.grafana."grafana.ini".database.password=env(postgresql_password)' ./observability/prometheus.values.yaml

helm upgrade --install prometheus prometheus-community/kube-prometheus-stack \

--create-namespace --namespace observability \

-f ./observability/prometheus.values.yaml \

#Install grafana operator

helm upgrade --install grafana-operator oci://ghcr.io/grafana-operator/helm-charts/grafana-operator \

--version v5.0.2 \

--create-namespace --namespace observability

#Add datasource and dashboard to grafana

helm upgrade --install grafana ./observability/grafana \

--create-namespace --namespace observability \

--set hotname="grafana.$DOMAIN" \

--set grafana.username="$GRAFANA_USERNAME" \

--set grafana.password="$GRAFANA_PASSWORD" \

--set postgresql.username="$POSTGRESQL_USERNAME" \

--set postgresql.password="$POSTGRESQL_PASSWORD"

helm upgrade --install zookeeper ./zookeeper \

--namespace zookeeper --create-namespace