Argo-Kube-Notifier - Monitor kubernetes resources and get notification

What is Argo Kube Notifier?

Argo Kube Notifier controller monitors Kubernetes resource updates and validates the configured rules to trigger events.

Why use Argo Kube Notifier?

Argo Kube Notifier is a fully customizable monitoring tool based on all kinds of Kubernetes resources. Argo Kube Notifier will monitor each resource's updates and apply rules on updates. Events will be trigged if a rule is met.

Quickstart

kubectl create namespace argo
kubectl create -f https://raw.githubusercontent.com/argoproj-labs/argo-kube-notifier/master/config/crds/argoproj_v1alpha1_notification.yaml
kubectl apply -n argo -f https://raw.githubusercontent.com/argoproj-labs/argo-kube-notifier/master/config/manager/manager.yaml

Create Notification

example: notification

Create secrets for Slack and Email

apiVersion: v1
kind: Secret
metadata:
  name: my-slack-secret
type: Opaque
stringData:
  hookURL: "https://hooks.slack.com/" #update your slack hookurl

Simple Slack Notification with All Conditions

apiVersion: argoproj.io/v1alpha1
kind: Notification
metadata:
  name: notification-1
spec:
  # Define resource need to be monitor.
  monitorResource:
    Group:    "apps"
    Resource: "deployments"
    Version:  "v1"
  #
  Namespace: default
  # Define the notifiers channel. Currently Slack and email are the only supported notification channels:
    -
      name: slack
      slack:
        hookUrlSecret:
          name: my-slack-secret
          key: hookURL
        channel: testargonotification
        
        hookurl: "https://hooks.slack.com"
  # Define the Rules to validate the resource spce
  rules:
    -
      allConditions:
        -
          jsonPath: "status/readyReplicas"
          operator: "ne"
          valueJsonPath: "status/replicas"

      events:
        -
          message: "Condition Triggered : Deployment = {{.metadata.name}} replicaset doesnt match. Required Replicas = {{.status.replicas}}, Current Replicas={{.status.readyReplicas}}"
          emailSubject: "Argo Notification Condition Triggered {{.metadata.name}}"
          notificationLevel: "warning"
          notifierNames:
            - "slack"

      name: rule1
      initialDelaySec: 60
      throttleMinutes: 5
    -
      allConditions:
        -
          jsonPath: "metadata/name"
          operator: "eq"
          value: "nginx-deployment"
        -
          jsonPath: "{{status/readyReplicas}} / {{ }}"
          operator: "lt"
          value: "30%"

      events:
        -
          message: "Condition Triggered : Deployment ={{.metadata.name}} replicaset doesnt match. Required Replicas = {{.status.replicas}}, Current Replicas={{.status.readyReplicas}}"
          emailSubject: "[ALERT] Argo Notification Condition Triggered {{.metadata.name}}"
          notificationLevel: "critical"
          notifierNames:
            - "slack"

      name: rule2
      initialDelaySec: 60
      throttleMinutes: 5

Notification 2 - Any Conditions with Slack and Email

apiVersion: argoproj.io/v1alpha1
kind: Notification
metadata:
  name: notification-2
spec:
  # Define resource need to be monitor.
  monitorResource:
    Group: argoproj.io
    Resource: workflows
    Version: v1alpha1
  #
  Namespace: default
  # Define the notifiers channel. Slack and email is supporting currently
    rules:
      -
        name: rule1
        initialDelaySec: 60
        throttleMinutes: 5
        anyConditions:
          -
            jsonPath: "status/phase"
            operator: "eq"
            value: "Failed"
          -
            jsonPath: "status/phase"
            operator: "eq"
            value: "Error"
        events:
          -
            message: "Workflow ={{.metadata.name}} Failed."
            emailSubject: "[ALERT] Argo Notification Condition Triggered {{.metadata.name}}"
            notificationLevel: "warning"
            notifierNames:
              - "slack"
              - "email"

    notifiers:
      -
       name: slack
       slack:
         hookUrlSecret:
           name: my-slack-secret
           key: hookURL
         channel: testargonotification
      -
        name: "email"
        email:
          smtphost: "smtp.gmail.com"
          smtpport: 465
          # Save the smtp service credential in secret in monitoring namespace
          usernameSecret:
            name: "my-email-secret"
            key: "username"
          passwordSecret:
            name: "my-email-secret"
            key: "password"
          FromEmailId: <EmailID>
          SenderList:
            - <EmailID>
            - <EmailID>