From 705810d81aeb4144c68e4b02accdf7523575d606 Mon Sep 17 00:00:00 2001
From: Sheogorath <sheogorath@shivering-isles.com>
Date: Sun, 13 Nov 2022 04:05:58 +0100
Subject: [PATCH] feat(blog): Add SLO for blog
---
apps/k8s01/blog/kustomization.yaml | 1 +
apps/k8s01/blog/slo.yaml | 41 ++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
create mode 100644 apps/k8s01/blog/slo.yaml
diff --git a/apps/k8s01/blog/kustomization.yaml b/apps/k8s01/blog/kustomization.yaml
index edf59a4db..4497d900a 100644
--- a/apps/k8s01/blog/kustomization.yaml
+++ b/apps/k8s01/blog/kustomization.yaml
@@ -6,6 +6,7 @@ resources:
- certificate.yaml
- blog.yaml
- ingress.yaml
+ - slo.yaml
- ../../../shared/networkpolicies/allow-from-ingress.yaml
- ../../../shared/resourcequotas/default.yaml
patchesStrategicMerge:
diff --git a/apps/k8s01/blog/slo.yaml b/apps/k8s01/blog/slo.yaml
new file mode 100644
index 000000000..cc6f5d05c
--- /dev/null
+++ b/apps/k8s01/blog/slo.yaml
@@ -0,0 +1,41 @@
+apiVersion: sloth.slok.dev/v1
+kind: PrometheusServiceLevel
+metadata:
+ name: requests-blog
+ namespace: mastblogodon
+spec:
+ service: "blog"
+ slos:
+ - name: "requests-availability"
+ objective: 99
+ description: "blog SLO based on availability for HTTP request responses."
+ sli:
+ events:
+ errorQuery: sum(rate(nginx_ingress_controller_requests{exported_namespace="blog",ingress="blog",status=~"(5..|429)"}[{{.window}}]))
+ totalQuery: sum(rate(nginx_ingress_controller_requests{exported_namespace="blog",ingress="blog"}[{{.window}}]))
+ alerting:
+ name: blogHighErrorRate
+ labels:
+ category: "availability"
+ annotations:
+ summary: "High error rate on 'blog' requests responses"
+ - name: "requests-latency"
+ objective: 99
+ description: "Warn that we apiserver responses are being slow and this will affect the clients (kubectl users, controllers...)."
+ labels:
+ category: latency
+ sli:
+ events:
+ error_query: |
+ (
+ sum(rate(nginx_ingress_controller_request_duration_seconds_count{exported_namespace="blog",ingress="blog",method!="WATCH"}[{{.window}}]))
+ -
+ sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{exported_namespace="blog",ingress="blog",le="0.25",verb!="WATCH"}[{{.window}}]))
+ )
+ total_query: sum(rate(nginx_ingress_controller_request_duration_seconds_count{exported_namespace="blog",ingress="blog",method!="WATCH"}[{{.window}}]))
+ alerting:
+ name: blogLatencyAlert
+ labels:
+ category: "latency"
+ annotations:
+ summary: "Slow responses on 'blog' requests responses. More than 1% take more than 250ms."
--
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