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95 lines
2.4 KiB
Plaintext
95 lines
2.4 KiB
Plaintext
// Module is included in the following assemblies:
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//
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// serverless/knative-client.adoc
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[id="basic-workflow_{context}"]
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= Basic workflow using Knative Client
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Use this basic workflow to create, read, update, delete (CRUD) operations on a service. The following example deploys a link:https://github.com/knative/docs/tree/master/docs/serving/samples/hello-world/helloworld-go[simple Hello World service] that reads the environment variable `TARGET` and prints its output.
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.Procedure
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. Create a service in the `default` namespace from an image.
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+
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----
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$ kn service create hello --image gcr.io/knative-samples/helloworld-go --env TARGET=Knative
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Service 'hello' successfully created in namespace 'default'.
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Waiting for service 'hello' to become ready ... OK
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Service URL:
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http://hello.default.apps-crc.testing
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----
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. List the service.
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----
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$ kn service list
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NAME URL GENERATION AGE CONDITIONS READY REASON
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hello http://hello.default.apps-crc.testing 1 85s 3 OK / 3 True
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----
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. Check if the service is working by using the `curl` service endpoint command:
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----
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$ curl http://hello.default.apps-crc.testing
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Hello Knative!
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----
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. Update the service.
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----
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$ kn service update hello --env TARGET=Kn
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Waiting for service 'hello' to become ready ... OK
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Service 'hello' updated in namespace 'default'.
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----
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The service's environment variable `TARGET` is now set to `Kn`.
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. Describe the service.
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----
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$ kn service describe hello
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Name: hello
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Namespace: default
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URL: http://hello.default.apps-crc.testing
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Address: http://hello.default.svc.cluster.local
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Annotations: serving.knative.dev/creator=kube:admin, serving.knative.dev/lastModifier=kube:admin
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Age: 34m
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Revisions:
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100% Name: hello-fszsh-2 [2] (35s)
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Image: gcr.io/knative-samples/helloworld-go (pinned to 5ea96ba4b872)
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Env: TARGET=Kn
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Memory: 100M ... 200M
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CPU: 400m ... 1
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Conditions:
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OK TYPE AGE REASON
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++ ConfigurationsReady 22s
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++ Ready 22s
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++ RoutesReady 22s ribe hello
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----
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. Delete the service.
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----
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$ kn service delete hello
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Service 'hello' successfully deleted in namespace 'default'.
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----
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You can then verify that the 'hello' service is deleted by attempting to `list` it.
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----
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$ kn service list hello
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No services found.
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----
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