add workflow labels to metrics?

[linkingli]

Summary

add workflow labels to the metric?

Use Cases

When I have two workflowTemplates (A,B), I want to know the overall situation of workflow of A and B respectively. The current metric does not support me to do this. Since there is no label for workflow.

NOW:

argo_workflows_count{container="workflow-controller", endpoint="metrics", 
instance="127.0.0.1:9090", job="workflow-controller-metrics", namespace="argo",
 pod="workflow-controller-7d69c4b564-t6xn8",
 service="workflow-controller-metrics", status="Error"}

BETTER:

argo_workflows_count{container="workflow-controller", endpoint="metrics", 
instance="127.0.0.1:9090", job="workflow-controller-metrics", namespace="argo",
 pod="workflow-controller-7d69c4b564-t6xn8",
 service="workflow-controller-metrics", status="Error",labelName="LabelValue"}

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