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Continuous Build, Test, Deploy

DSOPBuilder and PyBuilder

DevSecOps Builder (DSOPBuilder) is the complete toolset to create a Platform One Big Bang DevSecOps stack on Azure, running on Rancher RKE2 or Azure Kubernetes Service. The toolset consists of the following:

  • DSOPBuilder Docker Image: The docker image contains all the required tools and the cloned Git Repos to deploy the Azure Infrastructure using Terraform.
  • PyBuilder: The PyBuilder Python app provides an easy way to deploy the entire stack and automates many manual steps. PyBuilder allows you to configure the Terraform tfvars file for both RKE2 and AKS via the config files provided.

The total deploy time is approximately 6-7 minutes.

Running DSOP Builder

The DSOPBuilder Docker image is automatically built and pushed to my DockerHub container repository. The DSOPBuilder image contains the PyBuilder app you'll use to deploy P1 DevSecOps to Azure.

Pulling the image from DockerHub

First make sure you have Docker Desktop or Rancher Desktop installed on your machine. To pull the image:

docker pull shuffereu/dsopbuilder

Running the image

To run the image you pulled earlier:

docker run -it shuffereu/dsopbuilder

The -it parameter tells Docker that you want to shell into the running container.

Configuring PyBuilder

PyBuilder uses 3 configuration files, found in config/.

Configuring PyBuilder for Kubernetes deployments

The PyBuilder Kubernetes configuration files, found at config/config-rke2.json or config/config-aks.json, must be configured prior to deployment. Here is what the files looks like:

{
    "general": {
        "cluster_name": "dsop_rke2",
        "cloud": "AzureUSGovernmentCloud",
        "location": "usgovvirginia"
    },
    "cluster-size": {
        "server_instance_count": 1,
        "agent_instance_count": 2,
        "vm_size": "Standard_D8_v3"
    },
    "connectivity": {
        "server_public_ip": "true",
        "server_open_ssh_public": "true"
    },
    "custom_vnet_settings" : {
        "vnet_customize": 0,
        "use_external_vnet": 0,
        "external_vnet_resource_group" : "rke2_rg",
        "external_vnet_name" : "rke2-vnet",
        "external_vnet_subnet_name" : "rke2-subnet"
    },
    "custom_aad_settings_for_aks" : {
        "aad_group_ids" : ["00000000-0000-0000-0000-000000000000"]
    },
    "clone_dsop_repo_name": "dsop_rke2"
  }

Here's what the parameters mean:

General

  • cluster_name: The name of the RKE2 Kubernetes Cluster
  • cloud: "AzureUSGovernmentCloud" here means Azure Government
  • location: The Azure Region to deploy in

Cluster-Size

  • server_instance_count: Number of masters
  • agent_instance_count: Number of nodes required
  • vm_size: Azure VM SKU. Make sure this SKU exists in the Cloud and Region configured

Connectivity

  • server_public_ip: True if you need a Public IP for your cluster; False otherwise

RBAC

  • aad_group_ids: (AKS Only) A list of Azure Active Directory Group IDs that will be granted privileges to the AKS cluster that is deployed.

Configuring PyBuilder for Big Bang Deployment

The PyBuilder Big Bang configuration file, found at config/config-bigbang.json, must be configured prior to deployment. Here is what the files looks like:

{
  "credentials": {
      "github_user" : "__GH_USER__",
      "github_pat" : "__GH_PAT__",
      "ironbank_user" : "__IB_USER__",
      "ironbank_pat" : "__IB_PAT__"
  },
  "bigbang" : {
      "hostname" : "bigbang.dev",
      "azure_deploy_name": "bigbang",
      "namespace": "bigbang",
      "repository" : {
          "url" : "__GH_REPO__",
          "branch": "__GH_BRANCH__"
      },
      "keys": {
          "gpg_key_name" : "bigbang-sops",
          "create_keys" : 1,
          "upload_keys" : 0,
          "istio-gw-crt": "<akv-secret-id?>",
          "istio-gw-key": "<akv-secret-id?>"
      },
      "flux": {
          "deploy_flux" : 1            
      }
  }
}

Here's what the parameters mean:

Credentials

  • github_user - Your GitHub username
  • github_pat - A GitHub Personal Access Token, used to commit Big Bang configurations to GitHub.
  • ironbank_user - Your IronBank username
  • ironbank_pat - Your IronBank Personal Access Token, used by Flux to pull images from IronBank.

Big Bang

  • hostname - hostname prefix for the Big Bang components in your cluster. We recommend bigbang.dev
  • azure_deploy_name
  • namespace - k8s namespace that bigbang will be deployed into
  • repository.url - repository url where you will store your Big Bang deployment configurations (for Flux). e.g. https://www.github.com/<org | username>/<repository>
  • repository.branch - a branch under that repository where the configuration will be stored. Usually we recommend using the pattern env/<env-name>
  • keys.gpg_key_name -
  • keys.create_keys - 1 or 0. If 1, gpg keys and self-signed certs will be generated. Only 1 has been tested thus far.
  • keys.upload_keys - 1 or 0. Future functionality; keep set to 0.
  • keys.istio-gw-crt - Future functionality; do not change
  • keys.istio-gw-key - Future functionality; do not change
  • flux.deploy_flux - 1 or 0. If 1, flux will be installed on the cluster prior to deploying Big Bang. Only 1 has been tested thus far.

Running PyBuilder

PyBuilder is a Python3 app. Everything else needed by PyBuilder is already installed in the Docker iamge). Basic usage of PyBuilder:

Jump to Deploying RKE2 - Deploying AKS - Deploying Big Bang - Settings

PyBuilder's command interface is easy to use, and help is built in.

Command: python3 main.py --help

This prints out the following information:

Usage: main.py [OPTIONS] COMMAND [ARGS]...

Options:
  --install-completion [bash|zsh|fish|powershell|pwsh]
                                  Install completion for the specified shell.
  --show-completion [bash|zsh|fish|powershell|pwsh]
                                  Show completion for the specified shell, to
                                  copy it or customize the installation.
  --help                          Show this message and exit.

Commands:
  aks       Apply settings and build an AKS Cluster in Azure
  bb        Apply settings and deploy Big Bang to a K8S Cluster in Azure
  main      Deprecated.
  rke2      Apply settings and build a Rancher RKE2 Cluster in Azure
  settings  Show and configure Settings information

The settings command: Configuring PyBuilder and Logging into Azure

PyBuilder requires you to be logged in to Azure so that you can apply the Terraform needed and interact with Azure resources. It is easy to do that through the settings command.

Command: python3 main.py settings --help

This prints out the following information:

Usage: main.py settings [OPTIONS] COMMAND [ARGS]...

  Show and configure Settings information

Options:
  --help  Show this message and exit.

Commands:
  azaccount   List the currently logged in account
  azlist      Lists all registered Clouds, Prints Cloud status
  azlogingov  Switches to AzureUSGovernment cloud and executes an az login 
  list        Lists the current configuration settings (config.json)
  validate    Validates the settings in the config.json file
  • Use the azaccount subcommand to show the currently logged in Azure Account
┏━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Cloud Name        ┃ Is Default ┃ Tenant ID                            ┃ User                                         ┃
┡━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ AzureUSGovernment │ True       │ 4*******-b***-4***-a***-0*********** │ ******@**********************onmicrosoft.com │
└───────────────────┴────────────┴──────────────────────────────────────┴──────────────────────────────────────────────┘
  • Use the azlist subcommand to show the currently Active Azure Cloud
┏━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Cloud Name        ┃ Is Active ┃
┡━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ AzureCloud        │ False     │
│ AzureChinaCloud   │ False     │
│ AzureUSGovernment │ True      │
│ AzureGermanCloud  │ False     │
└───────────────────┴───────────┘
  • Use the azlogingov subcommand to Switch to and Login to Azure US Government
  • Use the list subcommand to print the current config.json file
  • Use the validate subcommand to validate the config.json file

The rke2 command: Creating an rke2 Cluster in Azure

python3 main.py rke2 apply

Depends on configuration in config/config-rke2.json.

This command applies the Terraform to build out the Rancher RKE2 cluster in Azure. PyBuilder prompts you for a Project Name, which is a folder that it creates and initializes with the Terraform scripts needed.

Important: The final step to being able to use kubectl to control your cluster requires you to execute the script file indicated after you've run rke2 apply.

Deployment Completed!
Your deployment folder is: /PyBuilder/working/dsop_rke2/foo
Next Steps:
1. Change to the deployment folder:  cd working/dsop_rke2/foo
2. Export the KubeConfig:  source ../scripts/fetch-kubeconfig.sh

The aks command: Creating an Azure Kubernetes Service (AKS) cluster in Azure

Depends on configuration in config/config-aks.json.

python3 main.py aks apply

This command applies the Terraform to build out an Azure Kubernetes Service (AKS) cluster in Azure. PyBuilder prompts you for a Project Name, which is a folder that it creates and initializes with the Terraform scripts needed.

Important 1: This deploys AKS with limited RBAC permissions. You must supply an Azure Active Directory (AAD) Group ID that will maintain access rights to the cluster. All users who wish to access the cluster must be part of this AAD Group. This is set in config.json as aad_group_ids setting - it is a list of Group IDs.

Important 2: The final step to being able to use kubectl to control your cluster requires you to use az aks get-credentials to obtain cluster configuration.

Deployment Completed!
Your deployment folder is: /PyBuilder/working/dsop_aks/foo
Next Steps:
1. Change to the deployment folder:  cd working/dsop_aks/foo
2. Set KubeConfig:  az aks get-credentials -g $(terraform output -raw rg_name) -n $(terraform output -raw aks_cluster_name)

The bb command: Deploying BigBang on a Kubernetes cluster in Azure

Depends on configuration in config/config-bigbang.json.

python3 main.py bb deploy

This command automates the deployment of BigBang, as documented in Repo1 to a Kubernetes cluster running in Azure.

Pre-requisites

  • Must be logged in to Azure via the Azure CLI.
  • Must have a Kubernetes cluster (RKE2 or AKS) running in Azure, with kubectl's conf set (i.e., You should be able to run kubectl version and have it complete successfully).

General steps executed by PyBuilder

  1. Validates that the settings in config-bigbang.json have been updated.
  2. Verifies that you have an active K8s cluster in your running environment by executing kubectl version.
  3. Configures Git Global User for pushes to the repository and branchin your config file.
  4. Creates GPG Certificates and Keys for use by Istio, if configured to do so, and adds them to secrets.yaml
  5. Updates bigbang.yaml configuration and pushes to your Git repository.
  6. Prepares the Kubernetes Cluster with the required secrets, credentials, and namespaces.
  7. Deploys Flux to the Kubernetes Cluster, if configured to do so.
  8. Deploys BigBang to the Kubernetes Cluster.

This process usually completes in less than 2 minutes.

Verifying the installation

After this completes, you can run the following command to watch Flux deploy BigBang to your cluster.

python3 main.py bb verify

It will print out a screen similar to the following

NAMESPACE   NAME                                                          URL                                                                              READY     STATUS           
AGE
bigbang     gitrepository.source.toolkit.fluxcd.io/bigbang                https://repo1.dso.mil/platform-one/big-bang/bigbang.git                          True      Fetched revision:
1.29.0/9da211a129a13617cbd0f3b710d85333488f6561               31s
bigbang     gitrepository.source.toolkit.fluxcd.io/cluster-auditor        https://repo1.dso.mil/platform-one/big-bang/apps/core/cluster-auditor.git        True      Fetched revision:
1.4.0-bb.0/a3c9fc97f6b25b02e4e7f32d5508469a1c0c0b92           14s

....

NAMESPACE   NAME                                                 READY     STATUS                                                  AGE
bigbang     helmrelease.helm.toolkit.fluxcd.io/bigbang           True      Release reconciliation succeeded                        31s
bigbang     helmrelease.helm.toolkit.fluxcd.io/cluster-auditor   False     dependency 'bigbang/gatekeeper' is not ready            14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/eck-operator      False     HelmChart 'bigbang/bigbang-eck-operator' is not ready   14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/ek                False     dependency 'bigbang/eck-operator' is not ready          14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/fluent-bit        False     dependency 'bigbang/ek' is not ready                    14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/gatekeeper        Unknown   Reconciliation in progress                              14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/istio             False     dependency 'bigbang/istio-operator' is not ready        14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/istio-operator    False     dependency 'bigbang/gatekeeper' is not ready            14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/jaeger            False     dependency 'bigbang/istio' is not ready                 14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/kiali             False     dependency 'bigbang/istio' is not ready                 14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/monitoring        False     HelmChart 'bigbang/bigbang-monitoring' is not ready     14s
bigbang     helmrelease.helm.toolkit.fluxcd.io/twistlock         False     dependency 'bigbang/gatekeeper' is not ready            14s

Flux refers to this as reconciliation because it is watching your Git repository for configuration changes, and the reconciles any changes into your cluster.

Once all of the statuses in the READY column turn to TRUE, Big Bang is ready to start being used.

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PyBuilder and Dockerfile for image that builds the shuffereu/dsopbuilder Docker Image

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