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Temporal Provider

Temporal Provider is a Crossplane provider. It was build based on the Crossplane Template. It is used to manage and configure Temporal. It uses the Temporal Go SDK

How to use

Repository and package:

xpkg.upbound.io/denniskniep/provider-temporal:<version>

Provider Credentials:

{
  "HostPort": "temporal:7233"
}

Example:

apiVersion: pkg.crossplane.io/v1
kind: Provider
metadata:
  name: provider-temporal
spec:
  package: xpkg.upbound.io/denniskniep/provider-temporal:v1.2.0
  packagePullPolicy: IfNotPresent
  revisionActivationPolicy: Automatic
---
apiVersion: v1
kind: Secret
metadata:
  name: provider-temporal-config-creds
  namespace: crossplane-system
type: Opaque
stringData:
  credentials: |
    {
      "HostPort": "temporal:7233"
    }
---
apiVersion: temporal.crossplane.io/v1alpha1
kind: ProviderConfig
metadata:
  name: provider-temporal-config
spec: 
  credentials:
    source: Secret
    secretRef:
      namespace: crossplane-system
      name: provider-temporal-config-creds
      key: credentials  

Troubleshooting

Create a DeploymentRuntimeConfig and set the arg --debug on the package-runtime container:

apiVersion: pkg.crossplane.io/v1beta1
kind: DeploymentRuntimeConfig
metadata:
  name: debug-config
spec:
  deploymentTemplate:
    spec:
      selector: {}
      template:
        spec:
          containers:
            - name: package-runtime
              args:
                - --debug
---
apiVersion: pkg.crossplane.io/v1
kind: Provider
metadata:
  name: provider-temporal
spec:
  package: xpkg.upbound.io/denniskniep/provider-temporal:v1.2.0
  packagePullPolicy: IfNotPresent
  revisionActivationPolicy: Automatic
  runtimeConfigRef:
    name: debug-config

Covered Managed Resources

Currently covered Managed Resources:

TemporalNamespace

A Namespace is a unit of isolation within the Temporal Platform

temporal docs

temporal cli

Hint: Currently its not possible to name this managed resource simply Namespace, because of this and this.

Example:

apiVersion: core.temporal.crossplane.io/v1alpha1
kind: TemporalNamespace
metadata:
  name: namespace1
spec:
  forProvider:
    name: "Test1"
    description: "Desc 1"
    ownerEmail: "[email protected]"
    workflowExecutionRetentionDays: 30
    data:
      - key1: value1
      - key2: value2
    historyArchivalState: "Disabled"
    historyArchivalUri: ""
    visibilityArchivalState: "Disabled"
    visibilityArchivalUri: ""
  providerConfigRef:
    name: provider-temporal-config

SearchAttribute

Search Attributes enable complex and business-logic-focused search queries for Workflow Executions. These are often queried through the Temporal Web UI, but you can also query from within your Workflow code. For more debugging and monitoring, you might want to add your own domain-specific Search Attributes, such as customerId or numItems, that can serve as useful search filters.

temporal docs

temporal cli

Example 1:

apiVersion: core.temporal.crossplane.io/v1alpha1
kind: SearchAttribute
metadata:
  name: searchattr1
spec:
  forProvider:
    name: "Test1"
    type: "Keyword"
    temporalNamespaceName: "Test1"
  providerConfigRef:
    name: local-temporal-instance-config

Example 2:

apiVersion: core.temporal.crossplane.io/v1alpha1
kind: SearchAttribute
metadata:
  name: searchattr1
spec:
  forProvider:
    name: "Test1"
    type: "Keyword"
    temporalNamespaceNameRef:
      name: "namespace1"
  providerConfigRef:
    name: local-temporal-instance-config

Contribute

Developing

  1. Add new type by running the following command:
  export provider_name=temporal
  export group=core # lower case e.g. core, cache, database, storage, etc.
  export type=MyType # Camel casee.g. Bucket, Database, CacheCluster, etc.
  make provider.addtype provider=${provider_name} group=${group} kind=${type}
  1. Replace the core group with your new group in apis/{provider}.go
  2. Replace the MyType type with your new type in internal/controller/{provider}.go
  3. Run make reviewable to run code generation, linters, and tests. (make generate to only run code generation)
  4. Run make build to build the provider.

Refer to Crossplane's CONTRIBUTING.md file for more information on how the Crossplane community prefers to work. The Provider Development guide may also be of use.

Start Debug with local cluster

  • make dev starts a fresh KIND cluster
  • sudo docker-compose -f tests/docker-compose.yaml up -d starts temporal environment
  • debug source code with .vscode/launch.json
  • Apply the CRDs kubectl apply -f examples

Stop Debug with local cluster

  • make dev-clean shutdown the earlier started KIND cluster
  • sudo docker-compose -f tests/docker-compose.yaml down -v

Tests

Start temporal environment for tests

sudo docker-compose -f tests/docker-compose.yaml up 

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Crossplane Temporal.io Provider

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  • Shell 9.0%
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