From f55a2c36b20124acece77b5ac00d1ec94c3280e2 Mon Sep 17 00:00:00 2001
From: Yuwei Sung <yuwei.sung@gmail.com>
Date: Thu, 26 Oct 2023 23:16:46 -0700
Subject: [PATCH] [charts/sn-platform] Add prometheus pod name to sts env
 (#1087)

* fix repeat ca tag

When specify certs.internalal_issuer.typ = secret, the output of issuer
spec:
  ca:ca:
      secretName: root-ca-secret

* Update tls-cert-internal-issuer.yaml

fix syntax

* add external labels

* fix the var naming

* pod_name is required for prometheus ha detector

* missed curly quotes

* remove test

---------

Co-authored-by: Eric Shen <ericshenyuhao@outlook.com>
(cherry picked from commit bfe965700519d1920b4f0f5124ddd54bb76eb418)
---
 .../templates/prometheus/prometheus-configmap.yaml           | 4 ++++
 .../templates/prometheus/prometheus-statefulset.yaml         | 5 +++++
 charts/sn-platform/values.yaml                               | 1 +
 3 files changed, 10 insertions(+)

diff --git a/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml b/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml
index a32619737..4a264511c 100644
--- a/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml
+++ b/charts/sn-platform/templates/prometheus/prometheus-configmap.yaml
@@ -32,6 +32,10 @@ data:
   prometheus.yml: |
     global:
       scrape_interval: {{ .Values.prometheus.scrapeInterval }}
+{{- if .Values.prometheus.externalLabels }}
+      external_labels:
+{{ toYaml .Values.prometheus.externalLabels | indent 8 }}
+{{- end }}
 {{- if .Values.monitoring.alert_manager }}
     rule_files:
       - 'rules.yml'
diff --git a/charts/sn-platform/templates/prometheus/prometheus-statefulset.yaml b/charts/sn-platform/templates/prometheus/prometheus-statefulset.yaml
index f8df49daa..fdd3953a9 100644
--- a/charts/sn-platform/templates/prometheus/prometheus-statefulset.yaml
+++ b/charts/sn-platform/templates/prometheus/prometheus-statefulset.yaml
@@ -116,6 +116,11 @@ spec:
       - name: "{{ template "pulsar.fullname" . }}-{{ .Values.prometheus.component }}"
         image: "{{ .Values.images.prometheus.repository }}:{{ .Values.images.prometheus.tag }}"
         imagePullPolicy: {{ .Values.images.prometheus.pullPolicy }}
+        env:
+          - name: POD_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.name
       {{- if .Values.prometheus.resources }}
         resources:
 {{ toYaml .Values.prometheus.resources | indent 10 }}
diff --git a/charts/sn-platform/values.yaml b/charts/sn-platform/values.yaml
index bff2a4e2e..b26aa115d 100644
--- a/charts/sn-platform/values.yaml
+++ b/charts/sn-platform/values.yaml
@@ -1784,6 +1784,7 @@ prometheus:
     # https://prometheus.io/docs/prometheus/latest/storage/#operational-aspects
     - --storage.tsdb.wal-compression
   scrapeInterval: 15s
+  externalLabels: {}
   securityContext:
     runAsUser: 65534
     runAsNonRoot: true