how works the kind AnalysisTemplate in the kubernetes clusters

[jcsferraz]

Hey!

We are implementing here in production the use of a 'failed-rates' template with the help of kind: AnalysisTemplate
Here are some questions:

01 - : Do I need to have istio implemented in my environment to use it?

02 - Does the AnalysisTemplate implementation need to exist only where the argo-cd and argo-rollout implementation was implemented? The doc is not clear to me about this. Consider the following scenario: I have a cluster of tools where are the gitops tools (argo, argo-rollouts, etc.) and other clusters with applications.

[jcsferraz]

My answers:

• 01 - About Question : I don't need istio to implement.
• 02 - About Question: I need to implement a ClusterAnalysisTemplate on my target clusters with the queries I need to implement, which in my scenario involves prometheus.

Example About ClusterAnalysisTemplate

---
apiVersion: argoproj.io/v1alpha1
kind: ClusterAnalysisTemplate
metadata:
name: http-error-rates-5xx-backgrounds
spec:
args:
- name: service_name
- name: environment
metrics:
- name: http-error-rates-5xx-backgrounds
successCondition: result[0] >= 0.95
interval: 1m
failureLimit: 3
provider:
prometheus:
address: "https://prometheus.example.com"
query: |
sum(rate(
http_server_requests_duration_seconds_count{route!="n/a", route!="/", route!~"/notification_subscribers/.*", environment="{{args.environment}}", service_name="{{args.service_name}}", status=~"5.*"}[1m]
)) /
sum(rate(
http_server_requests_duration_seconds_count{route!="n/a", route!="/", route!~"/notification_subscribers/.*", environment="{{args.environment}}", service_name="{{args.service_name}}"}[1m]
))