feat(datahub): add DataHub
This commit is contained in:
Masaki Yatsu
235
datahub/justfile
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235
datahub/justfile
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set fallback := true
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export DATAHUB_NAMESPACE := env("DATAHUB_NAMESPACE", "datahub")
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export DATAHUB_CHART_VERSION := env("DATAHUB_CHART_VERSION", "0.6.21")
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export DATAHUB_PREREQUISITES_CHART_VERSION := env("DATAHUB_PREREQUISITES_CHART_VERSION", "0.1.15")
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export DATAHUB_VERSION := env("DATAHUB_VERSION", "v1.2.0")
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export DATAHUB_HOST := env("DATAHUB_HOST", "")
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export EXTERNAL_SECRETS_NAMESPACE := env("EXTERNAL_SECRETS_NAMESPACE", "external-secrets")
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export KEYCLOAK_REALM := env("KEYCLOAK_REALM", "buunstack")
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[private]
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default:
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@just --list --unsorted --list-submodules
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# Add Helm repository
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add-helm-repo:
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helm repo add datahub https://helm.datahubproject.io/
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helm repo update
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# Remove Helm repository
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remove-helm-repo:
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helm repo remove datahub
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# Create DataHub namespace
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create-namespace:
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@kubectl get namespace ${DATAHUB_NAMESPACE} &>/dev/null || \
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kubectl create namespace ${DATAHUB_NAMESPACE}
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# Delete DataHub namespace
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delete-namespace:
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@kubectl delete namespace ${DATAHUB_NAMESPACE} --ignore-not-found
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# Setup database for DataHub
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setup-database:
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#!/bin/bash
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set -euo pipefail
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echo "Setting up DataHub database..."
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if just postgres::db-exists datahub &>/dev/null; then
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echo "Database 'datahub' already exists. DataHub will handle schema migrations."
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else
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echo "Creating new database 'datahub'..."
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just postgres::create-db datahub
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fi
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# Generate password for user creation/update
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# For existing users, preserve existing password if possible
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if just postgres::user-exists datahub &>/dev/null; then
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echo "User 'datahub' already exists."
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# Check if we can get existing password from Vault/Secret
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if helm status external-secrets -n ${EXTERNAL_SECRETS_NAMESPACE} &>/dev/null; then
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# Try to get existing password from Vault
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if DB_PASSWORD=$(just vault::get datahub/database password 2>/dev/null); then
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echo "Using existing password from Vault."
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else
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echo "Generating new password and updating Vault..."
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DB_PASSWORD=$(just utils::random-password)
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just postgres::psql -c "ALTER USER datahub WITH PASSWORD '$DB_PASSWORD';"
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fi
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else
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# For direct Secret approach, generate new password
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echo "Generating new password for existing user..."
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DB_PASSWORD=$(just utils::random-password)
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just postgres::psql -c "ALTER USER datahub WITH PASSWORD '$DB_PASSWORD';"
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fi
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else
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echo "Creating new user 'datahub'..."
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DB_PASSWORD=$(just utils::random-password)
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just postgres::create-user datahub "$DB_PASSWORD"
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fi
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echo "Ensuring database permissions..."
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just postgres::grant datahub datahub
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if helm status external-secrets -n ${EXTERNAL_SECRETS_NAMESPACE} &>/dev/null; then
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echo "External Secrets available. Storing credentials in Vault and creating ExternalSecret..."
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just vault::put datahub/database username=datahub password="$DB_PASSWORD"
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gomplate -f datahub-database-external-secret.gomplate.yaml -o datahub-database-external-secret.yaml
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kubectl apply -f datahub-database-external-secret.yaml
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echo "Waiting for database secret to be ready..."
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kubectl wait --for=condition=Ready externalsecret/datahub-database-external-secret \
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-n ${DATAHUB_NAMESPACE} --timeout=60s
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else
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echo "External Secrets not available. Creating Kubernetes Secret directly..."
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kubectl delete secret datahub-database-secret -n ${DATAHUB_NAMESPACE} --ignore-not-found
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kubectl create secret generic datahub-database-secret -n ${DATAHUB_NAMESPACE} \
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--from-literal=username=datahub \
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--from-literal=password="$DB_PASSWORD"
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echo "Database secret created directly in Kubernetes"
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fi
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echo "Database setup completed. DataHub will handle schema initialization and migrations."
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# Delete database secret
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delete-database-secret:
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@kubectl delete secret datahub-database-secret -n ${DATAHUB_NAMESPACE} --ignore-not-found
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# Create OAuth client in Keycloak for DataHub authentication
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create-oauth-client:
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#!/bin/bash
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set -euo pipefail
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if [ -z "${DATAHUB_HOST}" ]; then
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echo "Error: DATAHUB_HOST environment variable is required"
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exit 1
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fi
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echo "Creating DataHub OAuth client in Keycloak..."
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# Delete existing client to ensure fresh creation
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echo "Removing existing client if present..."
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just keycloak::delete-client ${KEYCLOAK_REALM} datahub || true
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CLIENT_SECRET=$(just utils::random-password)
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just keycloak::create-client \
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${KEYCLOAK_REALM} \
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datahub \
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"https://${DATAHUB_HOST}/callback/oidc" \
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"$CLIENT_SECRET"
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if helm status external-secrets -n ${EXTERNAL_SECRETS_NAMESPACE} &>/dev/null; then
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echo "External Secrets available. Storing credentials in Vault and recreating ExternalSecret..."
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just vault::put datahub/oauth \
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client_id=datahub \
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client_secret="$CLIENT_SECRET"
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# Delete existing ExternalSecret to force recreation and refresh
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kubectl delete externalsecret datahub-oauth-external-secret -n ${DATAHUB_NAMESPACE} --ignore-not-found
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kubectl delete secret datahub-oauth-secret -n ${DATAHUB_NAMESPACE} --ignore-not-found
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gomplate -f datahub-oauth-external-secret.gomplate.yaml -o datahub-oauth-external-secret.yaml
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kubectl apply -f datahub-oauth-external-secret.yaml
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echo "Waiting for OAuth secret to be ready..."
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kubectl wait --for=condition=Ready externalsecret/datahub-oauth-external-secret \
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-n ${DATAHUB_NAMESPACE} --timeout=60s
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else
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echo "External Secrets not available. Creating Kubernetes Secret directly..."
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kubectl delete secret datahub-oauth-secret -n ${DATAHUB_NAMESPACE} --ignore-not-found
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kubectl create secret generic datahub-oauth-secret -n ${DATAHUB_NAMESPACE} \
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--from-literal=client_id=datahub \
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--from-literal=client_secret="$CLIENT_SECRET"
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echo "OAuth secret created directly in Kubernetes"
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fi
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echo "OAuth client created successfully"
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# Delete OAuth secret
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delete-oauth-secret:
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@kubectl delete secret datahub-oauth-secret -n ${DATAHUB_NAMESPACE} --ignore-not-found
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@kubectl delete externalsecret datahub-oauth-external-secret -n ${DATAHUB_NAMESPACE} --ignore-not-found
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# Install DataHub prerequisites
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install-prerequisites:
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#!/bin/bash
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set -euo pipefail
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echo "Installing DataHub prerequisites..."
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just add-helm-repo
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gomplate -f datahub-prerequisites-values.gomplate.yaml -o datahub-prerequisites-values.yaml
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helm upgrade --install datahub-prerequisites datahub/datahub-prerequisites \
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--namespace ${DATAHUB_NAMESPACE} \
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--version ${DATAHUB_PREREQUISITES_CHART_VERSION} \
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-f datahub-prerequisites-values.yaml \
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--wait --timeout=10m
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echo "Prerequisites installation completed"
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# Install DataHub main application
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install-datahub:
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#!/bin/bash
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set -euo pipefail
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echo "Installing DataHub main application..."
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gomplate -f datahub-values.gomplate.yaml -o datahub-values.yaml
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helm upgrade --install datahub datahub/datahub \
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--namespace ${DATAHUB_NAMESPACE} \
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--version ${DATAHUB_CHART_VERSION} \
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-f datahub-values.yaml \
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--wait --timeout=20m
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echo "DataHub installation completed"
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# Install DataHub (full setup)
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install:
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#!/bin/bash
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set -euo pipefail
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export DATAHUB_HOST=${DATAHUB_HOST:-}
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while [ -z "${DATAHUB_HOST}" ]; do
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DATAHUB_HOST=$(
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gum input --prompt="DataHub host (FQDN): " --width=100 \
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--placeholder="e.g., datahub.example.com"
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)
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done
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echo "Installing DataHub..."
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just create-namespace
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just setup-database
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just create-oauth-client
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just install-prerequisites
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just install-datahub
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echo "DataHub installation completed"
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echo "Access DataHub at: https://${DATAHUB_HOST}"
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# Uninstall DataHub prerequisites
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uninstall-prerequisites:
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#!/bin/bash
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set -euo pipefail
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echo "Uninstalling DataHub prerequisites..."
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helm uninstall datahub-prerequisites -n ${DATAHUB_NAMESPACE} --ignore-not-found
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# Uninstall DataHub main application
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uninstall-datahub:
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#!/bin/bash
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set -euo pipefail
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echo "Uninstalling DataHub main application..."
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helm uninstall datahub -n ${DATAHUB_NAMESPACE} --ignore-not-found
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# Uninstall DataHub (complete removal)
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uninstall delete-db='true':
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#!/bin/bash
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set -euo pipefail
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echo "Uninstalling DataHub..."
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just uninstall-datahub
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just uninstall-prerequisites
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just delete-oauth-secret
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just delete-database-secret
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just delete-namespace
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if [ "{{ delete-db }}" = "true" ]; then
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just postgres::delete-db datahub
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fi
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echo "DataHub uninstalled"
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# Clean up database and secrets
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cleanup:
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#!/bin/bash
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set -euo pipefail
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echo "This will delete the DataHub database and all secrets."
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if gum confirm "Are you sure you want to proceed?"; then
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echo "Cleaning up DataHub resources..."
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just postgres::delete-db datahub || true
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just vault::delete datahub/database || true
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just vault::delete datahub/oauth || true
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just keycloak::delete-client datahub || true
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echo "Cleanup completed"
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else
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echo "Cleanup cancelled"
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fi
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