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Creating a cluster in Azure

1. Download the Azure CLI and login https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-windows?tabs=azure-cli

2. Login to Azure account

   Code Block
   az login

3. Create a Kubernetes Cluster

kubectl installation

Configuring git in Argo Tool

1. Login to Argo tool → Settings

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1. Navigate to Repositories

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1. Click “Connect repo using HTTPS” / SSH as per requirement

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1. Enter the details:

Select the type as git

Enter Repo URL and credentials and connect

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1. The added Repo details get reflected in Repositories

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Configuring Project in Argo Tool

1. Navigate to Repositories → Projects

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2. Click New Project

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3. Enter the required details and save

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4. The saved project is reflected

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Configuring Kubernetes cluster in Argo Tool

The cluster added to Argo via CLI is reflected in “Clusters” tab of Argo tool.

{update screenshot with AKS clusters }

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4. Install ArgoCD CLI based on your system from https://argoproj.github.io/argo-cd/cli_installation/

5. Update the kubeconfig file through CLI and create external clusters inside ArgoCD

# Update the kubeconfig file for auth.
az aks get-credentials --name cluster-name --resource-group cluster-resource-group-name

# Login to argocd server through cli

# For Windows  
"/argocd-windows-amd64.exe" login <argocd_server_url> --password <password> --username <username>

# For Linux 
./argocd-linux-amd64 login <argocd_server_url> --password <password> --username <username>

# add external cluster through cli to argocd
argocd cluster add <cluster-name> --name <any-name>

Configuring git in Argo Tool

1. Login to Argo tool → Settings

...

1. Navigate to Repositories

...

1. Click “Connect repo using HTTPS” / SSH as per requirement

...

1. Enter the details:

Select the type as git

Enter Repo URL and credentials and connect

...

1. The added Repo details get reflected in Repositories

...

Configuring Project in Argo Tool

1. Navigate to Repositories → Projects

   Image Added

2. Click New Project

   Image Added

3. Enter the required details and save

   Image Added

4. The saved project is reflected

   Image Added

Configuring Kubernetes cluster in Argo Tool

The cluster added to Argo via CLI is reflected in “Clusters” tab of Argo tool.

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Prerequisites For Nexus

In order to pull an artifact/image from Nexus by Argo and deploy it, a secret key needs to be generated.

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3. Configure the Docker yaml placed in the repository with the generated secret token.

Similar to line numbers 6-17 below:

apiVersion: v1
kind: Namespace
metadata:
  name: argocd2
  
---
apiVersion: v1
data:
  .dockerconfigjson: eyJhdXRocyI6eyI4MDgzLW5leHVzLW5laTNtb2V3LmxkYXBvd25lci5vcHNlcmEuaW8iOnsidXNlcm5hbWUiOiJhZG1pbiIsInBhc3N3b3JkIjoiR2hta2R3VE9PRiIsImVtYWlsIjoibmF3YXpAb3BzZXJhLmlvIiwiYXV0aCI6IllXUnRhVzQ2UjJodGEyUjNWRTlQUmc9PSJ9fX0=
kind: Secret
metadata:
  creationTimestamp: null
  name: docker-nexus
  namespace: argocd2
type: kubernetes.io/dockerconfigjson
  
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: argo-app
  namespace: argocd2
spec:
  replicas: 1
  selector:
    matchLabels:
      app: web
  template:
    metadata:
      labels:
        app: web
    spec:
      imagePullSecrets:
        - name: docker-nexus
      containers:
        - name: back-end
          image: 8083-nexus-nei3moew.ldapowner.opsera.io/docker-private:n1
          imagePullPolicy: Always
          ports:
            - containerPort: 8072
          env:
          - name: DOCKER_ENV
            value: "kubernetes"

---
#Service
apiVersion: v1
kind: Service
metadata:
  labels:
    app.kubernetes.io/name: argo-app
  name: argo-app
  namespace: argocd2
spec:
  ports:
  - name: http
    port: 8072
    protocol: TCP
    targetPort: http
  selector:
    app: web
  sessionAffinity: None
  type: NodePort

---
# Ingress
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.class: nginx
  labels:
    app.kubernetes.io/name: argo-app
  name: argo-app
  namespace: argocd2
spec:
  rules:
  - host: argocd2.nawaz-demo.opsera.io
    http:
      paths:
      - backend:
          serviceName: argo-app
          servicePort: 8072
        path: /
---

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