1. Deploy the sonatype-nexus helm chart on Google Kubernetes Engine (GKE)

    TypeScript

    Deploying a Helm chart on a Kubernetes cluster involves several steps. In the case of deploying the sonatype-nexus Helm chart on Google Kubernetes Engine (GKE), you need to:

    1. Create a GKE cluster.
    2. Configure kubectl to connect to the GKE cluster.
    3. Deploy the Helm chart onto the cluster.

    Below is the Pulumi TypeScript program that accomplishes each of these steps. Each section is explained, and comments are included to clarify what each part of the code does.

    Step 1: Import Required Pulumi Packages

    First, we'll import the necessary Pulumi packages. Make sure you have these packages installed in your Pulumi project.

    import * as gcp from "@pulumi/gcp"; import * as k8s from "@pulumi/kubernetes";

    Step 2: Configure GCP Project and GKE Cluster

    You need to set up a new GKE cluster. Specify the necessary configuration, such as the machine type and the number of nodes.

    const project = gcp.config.project; const zone = gcp.config.zone || "us-central1-a"; // Create a GKE cluster const cluster = new gcp.container.Cluster("my-gke-cluster", { initialNodeCount: 2, minMasterVersion: "latest", nodeVersion: "latest", nodeConfig: { machineType: "n1-standard-1", oauthScopes: [ "https://www.googleapis.com/auth/compute", "https://www.googleapis.com/auth/devstorage.read_only", "https://www.googleapis.com/auth/logging.write", "https://www.googleapis.com/auth/monitoring" ], }, });

    Learn more about configuring GKE clusters.

    Step 3: Export the Kubeconfig

    In order to communicate with your GKE cluster, you need a kubeconfig file. Pulumi can generate one for you.

    // Export the Kubeconfig const kubeconfig = pulumi. all([cluster.name, cluster.endpoint, cluster.masterAuth]) .apply(([name, endpoint, masterAuth]) => { const context = `${gcp.config.project}_${zone}_${name}`; return `apiVersion: v1 clusters: - cluster: certificate-authority-data: ${masterAuth.clusterCaCertificate} server: https://${endpoint} name: ${context} contexts: - context: cluster: ${context} user: ${context} name: ${context} current-context: ${context} kind: Config preferences: {} users: - name: ${context} user: auth-provider: name: gcp `; }); export const kubeconfig = kubeconfig;

    Learn more about kubeconfig in Pulumi.

    Step 4: Create a Kubernetes Provider

    With the GKE cluster created and the kubeconfig exported, you can create a Kubernetes provider in Pulumi which uses this configuration.

    // Create a Kubernetes provider that uses our GKE cluster const k8sProvider = new k8s.Provider("gke-k8s", { kubeconfig: kubeconfig, });

    Step 5: Deploy the sonatype-nexus Helm Chart

    Finally, using the Kubernetes provider, you can deploy the sonatype-nexus Helm chart.

    // Deploy sonatype-nexus Helm chart const sonatypeNexus = new k8s.helm.v3.Chart("sonatype-nexus", { chart: "sonatype-nexus", version: "1.24.5", // Specify the version, or omit to use the latest fetchOpts: { repo: "https://sonatype.github.io/helm3-charts/", // The Helm repository for sonatype-nexus }, }, { provider: k8sProvider });

    Learn more about Helm charts in Pulumi.

    Complete Program

    import * as pulumi from "@pulumi/pulumi"; import * as gcp from "@pulumi/gcp"; import * as k8s from "@pulumi/kubernetes"; // Specify the GCP project and zone const project = gcp.config.project; const zone = gcp.config.zone || "us-central1-a"; // Create the GKE cluster const cluster = new gcp.container.Cluster("my-gke-cluster", { initialNodeCount: 2, minMasterVersion: "latest", nodeVersion: "latest", nodeConfig: { machineType: "n1-standard-1", oauthScopes: [ "https://www.googleapis.com/auth/compute", "https://www.googleapis.com/auth/devstorage.read_only", "https://www.googleapis.com/auth/logging.write", "https://www.googleapis.com/auth/monitoring" ], }, }); // Export the kubeconfig const kubeconfig = pulumi. all([cluster.name, cluster.endpoint, cluster.masterAuth]) .apply(([name, endpoint, masterAuth]) => { const context = `${project}_${zone}_${name}`; return `apiVersion: v1 clusters: - cluster: certificate-authority-data: ${masterAuth.clusterCaCertificate} server: https://${endpoint} name: ${context} contexts: - context: cluster: ${context} user: ${context} name: ${context} current-context: ${context} kind: Config preferences: {} users: - name: ${context} user: auth-provider: name: gcp `; }); export const kubeconfigOut = kubeconfig; // Create a Kubernetes provider const k8sProvider = new k8s.Provider("gke-k8s", { kubeconfig: kubeconfig, }); // Deploy sonatype-nexus Helm chart const nexusChart = new k8s.helm.v3.Chart("sonatype-nexus", { chart: "sonatype-nexus", version: "1.24.5", fetchOpts: { repo: "https://sonatype.github.io/helm3-charts/", }, }, { provider: k8sProvider });

    This program sets up the entire infrastructure and software deployment in a single pulumi up operation. The kubeconfigOut is exported so you can directly use kubectl with this cluster. The sonatype-nexus chart is deployed using the provider that communicates with our provisioned GKE cluster.

    After deploying the chart with Pulumi, you can manage sonatype-nexus using Kubernetes tooling. You may need to perform additional steps for network configuration, setting up persistent volumes, or configuring Nexus settings post-deployment. These steps would follow the standard practices for managing any Helm-deployed application on Kubernetes.


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