DevOps

StackStorm

Installation

Using Helm:

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helm repo add stackstorm https://helm.stackstorm.com/
helm install st2 stackstorm/stackstorm-ha

Create a service in st2-svc.yaml with LoadBalancer type:

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apiVersion: v1
kind: Service
metadata:  
  name: st2-service  
  namespace: default
spec:
  type: LoadBalancer  
  ports:    
    - port: 80      
      targetPort: 80      
      protocol: TCP  
  selector:    
    app: st2web

Get EXTERNAL-IP with:

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kubectl get svc st2-service

St2 CLI

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# obtain st2client pod name
ST2CLIENT=$(kubectl get pod -l app=st2client -o jsonpath="{.items[0].metadata.name}")

# run a single st2 client command
kubectl exec -it ${ST2CLIENT} -- st2 --version

# switch into a container shell and use st2 CLI
kubectl exec -it ${ST2CLIENT} /bin/bash

# authenticate to StackStorm using st2 CLI and save the default password using the -w flag
kubectl exec -it ${ST2CLIENT}  -- st2 login st2admin -p 'Ch@ngeMe' -w

Work with actions

Create a sample rule sample_rule_with_webhook.yaml :

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---
    name: "sample_rule_with_webhook"
    pack: "examples"
    description: "Sample rule dumping webhook payload to a file."
    enabled: true

    trigger:
        type: "core.st2.webhook"
        parameters:
            url: "sample"

    criteria:
        trigger.body.name:
            pattern: "st2"
            type: "equals"

    action:
        ref: "core.local"
        parameters:
            cmd: "echo \"{{trigger.body}}\" >> ~/st2.webhook_sample.out ; sync"

Deploy the sample rule:

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kubectl exec -it ${ST2CLIENT} -n stackstorm -- st2 rule createfirst_rule.yaml

Get X-Auth-Token:

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kubectl exec -it st2-st2client-79884d9544-fp965  -- st2 auth st2admin -p 'Ch@ngeMe'

Execute the POST request:

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curl -k http://35.204.170.36/api/v1/webhooks/sample -d '{"foo": "bar", "name": "st2"}' -H 'Content-Type: application/json' -H 'X-Auth-Token: 0ceb7bfbff0c467f880d9d117096bad8'

Change password

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sudo htpasswd /etc/st2/htpasswd st2admin
sudo st2ctl restart

Draft

Get internal IP:

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export ST2WEB_IP=$(minikube ip 2>/dev/null || kubectl get nodes --namespace default -o jsonpath="{.items[0].status.addresses[0].address}")
export ST2WEB_PORT="$(kubectl get --namespace default -o jsonpath="{.spec.ports[0].nodePort}" services st2-st2web)"
echo http://${ST2WEB_IP}:${ST2WEB_PORT}/

References