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Deploy Airbyte on Kubernetes using Helm

Overview​

Airbyte allows scaling sync workloads horizontally using Kubernetes. The core components (api server, scheduler, etc) run as deployments while the scheduler launches connector-related pods on different nodes.

Quickstart​

If you don't want to configure your own Kubernetes cluster and Airbyte instance, you can use the free, open-source project Plural to bring up a Kubernetes cluster and Airbyte for you. Use this guide to get started.

Alternatively, you can deploy Airbyte on Restack to provision your Kubernetes cluster on AWS. Follow this guide to get started.

Getting Started​

Cluster Setup​

For local testing we recommend following one of the following setup guides:

For testing on GKE you can create a cluster with the command line or the Cloud Console UI.

For testing on EKS you can install eksctl and run eksctl create cluster to create an EKS cluster/VPC/subnets/etc. This process should take 10-15 minutes.

For production, Airbyte should function on most clusters v1.19 and above. We have tested support on GKE and EKS. If you run into a problem starting Airbyte, please reach out on the #troubleshooting channel on our Slack or create an issue on GitHub.

Install kubectl​

If you do not already have the CLI tool kubectl installed, please follow these instructions to install.

Configure kubectl​

Configure kubectl to connect to your cluster by using kubectl use-context my-cluster-name.

For GKE:

  1. Configure gcloud with gcloud auth login.

  2. On the Google Cloud Console, the cluster page will have a Connect button, which will give a command to run locally that looks like

    gcloud container clusters get-credentials $CLUSTER_NAME --zone $ZONE_NAME --project $PROJECT_NAME.

  3. Use kubectl config get-contexts to show the contexts available.

  4. Run kubectl config use-context $GKE_CONTEXT to access the cluster from kubectl.

For EKS:

  1. Configure your AWS CLI to connect to your project.
  2. Install eksctl
  3. Run eksctl utils write-kubeconfig --cluster=<CLUSTER NAME> to make the context available to kubectl
  4. Use kubectl config get-contexts to show the contexts available.
  5. Run kubectl config use-context <eks context> to access the cluster with kubectl.

Install helm​

To install helm simply run:

For MacOS:

brew install helm

For Linux:

  1. Download installer script curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
  2. Assign required premissions chmod 700 get_helm.sh
  3. Run script ./get_helm.sh

Add Helm Repository​

From now charts are stored in helm-repo thus there're no need to clone the repo each time you need to deploy the chart.

To add remote helm repo simply run: helm repo add airbyte https://airbytehq.github.io/helm-charts.

Where airbyte is the name of the repository that will be indexed locally.

After adding the repo, perform the repo indexing process by running helm repo update.

After this you can browse all charts uploaded to repository by running helm search repo airbyte

It'll produce output similar to below:

NAME                            	CHART VERSION	APP VERSION	DESCRIPTION
airbyte/airbyte                 	0.49.9       	0.50.33    	Helm chart to deploy airbyte
airbyte/airbyte-api-server      	0.49.9       	0.50.33    	Helm chart to deploy airbyte-api-server
airbyte/airbyte-bootloader      	0.49.9       	0.50.33    	Helm chart to deploy airbyte-bootloader
airbyte/connector-builder-server	0.49.9       	0.50.33    	Helm chart to deploy airbyte-connector-builder-...
airbyte/cron                    	0.49.9       	0.50.33    	Helm chart to deploy airbyte-cron
airbyte/metrics                 	0.49.9       	0.50.33    	Helm chart to deploy airbyte-metrics
airbyte/pod-sweeper             	0.49.9       	0.50.33    	Helm chart to deploy airbyte-pod-sweeper
airbyte/server                  	0.49.9       	0.50.33    	Helm chart to deploy airbyte-server
airbyte/temporal                	0.49.9       	0.50.33    	Helm chart to deploy airbyte-temporal
airbyte/webapp                  	0.49.9       	0.50.33    	Helm chart to deploy airbyte-webapp
airbyte/worker                  	0.49.9       	0.50.33    	Helm chart to deploy airbyte-worker

Deploy Airbyte​

Default deployment​

If you don't intend to customise your deployment, you can deploy airbyte as is with default values.

In order to do so, run the command:

helm install %release_name% airbyte/airbyte

Note: release_name should only contain lowercase letters and optionally dashes (release_name must start with a letter).

Custom deployment​

In order to customize your deployment, you need to create values.yaml file in the local folder and populate it with default configuration override values.

values.yaml example can be located in charts/airbyte folder of the Airbyte repository.

After specifying your own configuration, run the following command:

helm install --values path/to/values.yaml %release_name% airbyte/airbyte

Migrate from old charts to new ones​

Starting from 0.39.37-alpha we've revisited helm charts structure and separated all components of airbyte into their own independent charts, thus by allowing our developers to test single component without deploying airbyte as a whole and by upgrading single component at a time.

In most cases upgrade from older monolith chart to a new one should go without any issue, but if you've configured custom logging or specified custom configuration of DB or Logging then follow the instructions listed bellow

Minio migration​

Since the latest release of bitnami/minio chart, they've changed the way of setting up the credentials for accessing the minio. (written mid-2022)

Going forward in new version you need to specify the following values in values yaml for user/password instead old one

Before:

minio:
  rootUser: airbyte-user
  rootPassword: airbyte-password-123

After:

minio:
  auth:
    rootUser: minio
    rootPassword: minio123

Before upgrading the chart update values.yaml as stated above and then run:

  • Get the old rootPassword by running export ROOT_PASSWORD=$(kubectl get secret --namespace "default" %release_name%-minio -o jsonpath="{.data.root-password}" | base64 -d)
  • Perform upgrade of chart by running helm upgrade %release_name% airbyte/airbyte --set auth.rootPassword=$ROOT_PASSWORD
    • If you get an error about setting the auth.rootPassword, then you forgot to update the values.yaml file

Custom logging and jobs configuration​

Starting from 0.39.37-alpha if you've configured logging yourself using logging or jobs section of values.yaml file, you need to update your configuration so you can continue to use your custom logging and jobs configuration.

Simply declare global value in values.yaml file and move everything related to logging and jobs under that section like in the example bellow:

global:
    logging:
        %your_logging_options_here%
    jobs:
        %your_jobs_options_here%

After updating values.yaml simply upgrade your chart by running command:

helm upgrade -f path/to/values.yaml %release_name% airbyte/airbyte

Database external secrets​

If you're using external DB secrets, then provide them in values.yaml under global.database section in the following format:

  database:
    secretName: "myOctaviaSecret"
    secretValue: "postgresql-password"
    host: "example.com"
    port: "5432"

And upgrade the chart by running:

helm upgrade -f path/to/values.yaml %release_name% airbyte/airbyte
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