#!/usr/bin/env bash

crd_version="v0.42.0"
namespace=prometheus

charts=(
    etcd-cert-secret.yaml
    app-servicemonitor.yaml
    grafana-ldap-toml.yaml
    grafana-smtp-secret.yaml
    prometheus-etcd-cert.yaml
    gitlab-redis-servicemonitor.yaml
    gitlab-servicemonitor.yaml
    ingress-nginx-servicemonitor.yaml
)

. ../config.sh

install_prometheus_crds () {
    crd=(
        monitoring.coreos.com_alertmanagers.yaml
        monitoring.coreos.com_podmonitors.yaml
        monitoring.coreos.com_probes.yaml
        monitoring.coreos.com_prometheuses.yaml
        monitoring.coreos.com_prometheusrules.yaml
        monitoring.coreos.com_servicemonitors.yaml
        monitoring.coreos.com_thanosrulers.yaml
    )
    url=https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/v0.42.0/example/prometheus-operator-crd/
    for i in ${crd[@]}; do
        kubectl apply -f $url/$i
    done
}

disable_unset () {
    read yaml
    # disable ldap for grafana
    [ -z "$grafana_ldap_toml" ] && \
        echo "$yaml" | sed '/auth\.ldap:/,+1 s/true/false/; /ldap:/,+1 d' | read yaml
    # disable storage
    [ -z "$fileserver" ] && \
        echo "$yaml" | sed '/prometheusSpec:/,+10d' $1 | read yaml
    echo $yaml
}

kubectl create ns $namespace
install_prometheus_crds
kubectl_apply $namespace "${charts[@]}"

helm template \
    -n $namespace \
    -f values.yaml \
    prometheus \
    prometheus-community/kube-prometheus-stack \
    | make_substitutions \
    | kubectl -n $namespace -f -