From 38133af0bc120275797ae1128046daf543955fe8 Mon Sep 17 00:00:00 2001
From: lvlcn-t <75443136+lvlcn-t@users.noreply.github.com>
Date: Sun, 28 Jan 2024 17:03:58 +0100
Subject: [PATCH] feat: add health check startup probe

---
 chart/templates/_helpers.tpl    | 18 ++++++++++++++++++
 chart/templates/deployment.yaml | 13 +++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/chart/templates/_helpers.tpl b/chart/templates/_helpers.tpl
index e6bf3348..a54ab8c1 100644
--- a/chart/templates/_helpers.tpl
+++ b/chart/templates/_helpers.tpl
@@ -68,3 +68,21 @@ Create the name of the service account to use
 {{- define "sparrow.sparrowConfigName"}}
 {{- include "sparrow.fullname" . }}-config
 {{- end }}
+
+{{/*
+Convert duration to seconds
+*/}}
+{{- define "sparrow.durationToSeconds" -}}
+{{- $duration := . -}}
+{{- if hasSuffix "ms" $duration -}}
+{{- trimSuffix "ms" $duration | div 1000 | int -}}
+{{- else if hasSuffix "s" $duration -}}
+{{- trimSuffix "s" $duration | int -}}
+{{- else if hasSuffix "m" $duration -}}
+{{- trimSuffix "m" $duration | mul 60 | int -}}
+{{- else if hasSuffix "h" $duration -}}
+{{- trimSuffix "h" $duration | mul 3600 | int -}}
+{{- else -}}
+{{- $duration | int -}}
+{{- end -}}
+{{- end -}}
diff --git a/chart/templates/deployment.yaml b/chart/templates/deployment.yaml
index a161f716..6fddbfb7 100644
--- a/chart/templates/deployment.yaml
+++ b/chart/templates/deployment.yaml
@@ -75,6 +75,19 @@ spec:
           volumeMounts:
             - name: sparrow-config
               mountPath: /config/
+          readinessProbe:
+            httpGet:
+              port: http
+            failureThreshold: 5
+            periodSeconds: 5
+          {{- if .Values.checksConfig.checks.health }}
+          startupProbe:
+            httpGet:
+              path: /v1/metrics/health
+              port: http
+            initialDelaySeconds: {{ include "sparrow.durationToSeconds" .Values.checksConfig.checks.health.interval | default 15 }}
+            failureThreshold: 10
+          {{- end }}
       volumes:
         - name: sparrow-config
           configMap: