mirror of https://github.com/knative/client.git
75 lines
3.8 KiB
Markdown
75 lines
3.8 KiB
Markdown
## kn service update
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Update a service.
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### Synopsis
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Update a service.
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```
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kn service update NAME [flags]
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```
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### Examples
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```
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# Updates a service 'svc' with new environment variables
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kn service update svc --env KEY1=VALUE1 --env KEY2=VALUE2
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# Update a service 'svc' with new port
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kn service update svc --port 80
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# Updates a service 'svc' with new requests and limits parameters
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kn service update svc --requests-cpu 500m --limits-memory 1024Mi
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# Assign tag 'latest' and 'stable' to revisions 'echo-v2' and 'echo-v1' respectively
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kn service update svc --tag echo-v2=latest --tag echo-v1=stable
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OR
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kn service update svc --tag echo-v2=latest,echo-v1=stable
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# Update tag from 'testing' to 'staging' for latest ready revision of service
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kn service update svc --untag testing --tag @latest=staging
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# Add tag 'test' to echo-v3 revision with 10% traffic and rest to latest ready revision of service
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kn service update svc --tag echo-v3=test --traffic test=10,@latest=90
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```
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### Options
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```
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--async Update service and don't wait for it to become ready.
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--concurrency-limit int Hard Limit of concurrent requests to be processed by a single replica.
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--concurrency-target int Recommendation for when to scale up based on the concurrent number of incoming request. Defaults to --concurrency-limit when given.
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-e, --env stringArray Environment variable to set. NAME=value; you may provide this flag any number of times to set multiple environment variables. To unset, specify the environment variable name followed by a "-" (e.g., NAME-).
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-h, --help help for update
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--image string Image to run.
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-l, --label stringArray Service label to set. name=value; you may provide this flag any number of times to set multiple labels. To unset, specify the label name followed by a "-" (e.g., name-).
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--limits-cpu string The limits on the requested CPU (e.g., 1000m).
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--limits-memory string The limits on the requested memory (e.g., 1024Mi).
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--max-scale int Maximal number of replicas.
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--min-scale int Minimal number of replicas.
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-n, --namespace string List the requested object(s) in given namespace.
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-p, --port int32 The port where application listens on.
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--requests-cpu string The requested CPU (e.g., 250m).
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--requests-memory string The requested memory (e.g., 64Mi).
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--revision-name string The revision name to set. Must start with the service name and a dash as a prefix. Empty revision name will result in the server generating a name for the revision. Accepts golang templates, allowing {{.Service}} for the service name, {{.Generation}} for the generation, and {{.Random [n]}} for n random consonants. (default "{{.Service}}-{{.Random 5}}-{{.Generation}}")
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--tag strings Set tag (format: --tag revisionRef=tagName) where revisionRef can be a revision or '@latest' string representing latest ready revision. This flag can be specified multiple times.
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--traffic strings Set traffic distribution (format: --traffic revisionRef=percent) where revisionRef can be a revision or a tag or '@latest' string representing latest ready revision. This flag can be given multiple times with percent summing up to 100%.
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--untag strings Untag revision (format: --untag tagName). This flag can be spcified multiple times.
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--wait-timeout int Seconds to wait before giving up on waiting for service to be ready. (default 60)
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```
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### Options inherited from parent commands
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```
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--config string kn config file (default is $HOME/.kn/config.yaml)
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--kubeconfig string kubectl config file (default is $HOME/.kube/config)
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--log-http log http traffic
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```
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### SEE ALSO
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* [kn service](kn_service.md) - Service command group
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