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202 lines
26 KiB
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202 lines
26 KiB
Plaintext
---
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layout: docs
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page_title: Consul K8s CLI Reference
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description: >-
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Consul K8s CLI is a tool for quickly installing and interacting with Consul on Kubernetes.
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---
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# Consul K8s CLI Reference
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Consul K8s CLI is a tool for quickly installing and interacting with Consul on Kubernetes.
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This topic describes the subcommands and available options for using Consul K8s CLI.
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## Usage
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Consul K8s CLI uses the following syntax:
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```shell-session
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consul-k8s <SUBCOMMAND> <OPTIONS>
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```
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## Subcommands
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You can use the following subcommands with `consul-k8s`.
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- [install](#install)
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- [uninstall](#uninstall)
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- [status](#status)
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- [upgrade](#upgrade) <sup>BETA</sup>
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- [version](#version)
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### `install`
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The `install` command installs Consul on Kubernetes.
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```shell-session
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consul-k8s install <OPTIONS>
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```
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The following options are available.
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| Flag | Description | Default | Required |
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| --------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------- | -------- |
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| `-auto-approve` | Boolean value that enables you to skip the installation confirmation prompt. | `false` | Optional |
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| `-dry-run` | Boolean value that validates the installation and returns a summary. | `false` | Optional |
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| `-config-file` | String value that specifies the path to a file containing custom installation configurations, e.g., Consul Helm chart values file. <br/> You can use the `-config-file` flag multiple times to specify multiple files. | none | Optional |
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| `-namespace` | String value that specifies the namespace of the Consul installation. | `consul` | Optional |
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| `-preset` | String value that installs Consul based on a preset configuration. You can specify the following values: <br/> `demo`: Installs a single replica server with sidecar injection enabled; useful for testing service mesh functionality. <br/> `secure`: Installs a single replica server with sidecar injection, ACLs, and TLS enabled; useful for testing service mesh functionality. | Configuration of the Consul Helm chart. | Optional |
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| `-set` | String value that enables you to set a customizable value. This flag is comparable to the `helm install --set` flag. <br/> You can use the `-set` flag multiple times to set multiple values. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-set-file` | String value that specifies the name of an arbitrary config file. This flag is comparable to the `helm install --set-file` <br/> flag. The contents of the file will be used to set a customizable value. You can use the `-set-file` flag multiple times to specify multiple files. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-set-string` | String value that enables you to set a customizable string value. This flag is comparable to the `helm install --set-string` <br/> flag. You can use the `-set-string` flag multiple times to specify multiple strings. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-timeout` | Specifies how long to wait for the installation process to complete before timing out. The value is specified with an integer and string value indicating a unit of time. <br/> The following units are supported: <br/> `ms` (milliseconds)<br/>`s` (seconds)<br/>`m` (minutes) <br/>In the following example, installation will timeout after one minute:<br/> `consul-k8s install -timeout 1m` | `10m` | Optional |
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| `-wait` | Boolean value that determines if Consul should wait for resources in the installation to be ready before exiting the command. | `true` | Optional |
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| `-verbose`, `-v` | Boolean value that specifies whether to output verbose logs from the install command with the status of resources being installed. | `false` | Optional |
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| `--help` | Prints usage information for this option. | none | Optional |
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See [Global Options](#global-options) for additional commands that you can use when installing Consul on Kubernetes.
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#### Example Commands
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The following example command installs Consul according in the `myNS` namespace according to the `secure` preset.
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```shell-session
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consul-k8s install -preset=secure -namespace=myNS
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```
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The following example commands install Consul on Kubernetes using custom values, files, or strings that are set via flags. The underlying Consul-on-Kubernetes Helm chart uses the flags to customize the installation. The flags are comparable to the `helm install` [flags](https://helm.sh/docs/helm/helm_install/#helm-install).
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```shell-session
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consul-k8s install -set key=value
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consul-k8s install -set key1=value1 -set key2=value2
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consul-k8s install -set-file config1=value1.conf
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consul-k8s install -set-file config1=value1.conf -set-file config2=value2.conf
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consul-k8s install -set-string key=value-bool
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consul-k8s install -set key1=value1 -set key2=value2
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```
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### `uninstall`
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The `uninstall` command removes Consul from Kubernetes.
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```shell-session
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consul-k8s uninstall <OPTIONS>
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```
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The following options are available.
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| Flag | Description | Default | Required |
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| --------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- | -------- |
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| `-auto-approve` | Boolean value that enables you to skip the removal confirmation prompt. | `false` | Optional |
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| `-name` | String value for the name of the installation to remove. | none | Optional |
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| `-namespace` | String value that specifies the namespace of the Consul installation to remove. | `consul` | Optional |
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| `-timeout` | Specifies how long to wait for the removal process to complete before timing out. The value is specified with an integer and string value indicating a unit of time. <br/> The following units are supported: <br/> `ms` (milliseconds)<br/>`s` (seconds)<br/>`m` (minutes) <br/>`h` (hours) <br/>In the following example, removal will timeout after one minute:<br/> `consul-k8s uninstall -timeout 1m` | `10m` | Optional |
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| `-wipe-data` | Boolean value that deletes PVCs and secrets associated with the Consul installation during installation. <br/> Data will be removed without a verification prompt if the `-auto-approve` flag is set to `true`. | `false` <br/> Instructions for removing data will be printed to the console. | Optional |
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| `--help` | Prints usage information for this option. | none | Optional |
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See [Global Options](#global-options) for additional commands that you can use when uninstalling Consul from Kubernetes.
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#### Example Command
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The following example command immediately uninstalls Consul from the `my-ns` namespace with the name `my-consul` and removes PVCs and secrets associated with the installation without asking for verification:
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```shell-session
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consul-k8s uninstall -namespace=my-ns -name=my-consul -wipe-data=true -auto-approve=true
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```
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### `status`
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The `status` command provides an overall status summary of the Consul on Kubernetes installation. It also provides the config that was used to deploy Consul K8s and provides a quick glance at the health of both Consul servers and clients. This command does not take in any flags.
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```shell-session
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consul-k8s status
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```
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#### Example Command
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```shell-session
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$ consul-k8s status
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==> Consul-K8s Status Summary
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NAME | NAMESPACE | STATUS | CHARTVERSION | APPVERSION | REVISION | LAST UPDATED
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---------+-----------+----------+--------------+------------+----------+--------------------------
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consul | consul | deployed | 0.39.0 | 1.11.1 | 1 | 2021/12/16 15:42:39 PST
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==> Config:
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connectInject:
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enabled: true
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metrics:
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defaultEnableMerging: true
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defaultEnabled: true
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enableGatewayMetrics: true
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controller:
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enabled: true
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global:
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metrics:
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enableAgentMetrics: true
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enabled: true
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name: consul
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prometheus:
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enabled: true
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server:
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replicas: 1
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ui:
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enabled: true
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service:
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enabled: true
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✓ Consul servers healthy (1/1)
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✓ Consul clients healthy (3/3)
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```
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### `upgrade`
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-> The `consul-k8s upgrade` **subcommand is currently in beta**: This subcommand is not recommended for production environments.
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The `upgrade` command upgrades the Consul on Kubernetes components to the current version of the `consul-k8s` cli. Prior to running `consul-k8s upgrade`, the `consul-k8s` CLI should first be upgraded to the latest version as described [Upgrade the Consul K8s CLI](#upgrade-the-consul-k8s-cli)
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```shell-session
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consul-k8s upgrade
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```
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The following options are available.
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| Flag | Description | Default | Required |
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| --------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------- | -------- |
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| `-auto-approve` | Boolean value that enables you to skip the upgrade confirmation prompt. | `false` | Optional |
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| `-dry-run` | Boolean value that allows you to run pre-upgrade checks and returns a summary of the upgrade. | `false` | Optional |
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| `-config-file` | String value that specifies the path to a file containing custom upgrade configurations, e.g., Consul Helm chart values file. <br/> You can use the `-config-file` flag multiple times to specify multiple files. | none | Optional |
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| `-namespace` | String value that specifies the namespace of the Consul installation. | `consul` | Optional |
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| `-preset` | String value that upgrades Consul based on a preset configuration. | Configuration of the Consul Helm chart. | Optional |
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| `-set` | String value that enables you to set a customizable value. This flag is comparable to the `helm upgrade --set` flag. <br/> You can use the `-set` flag multiple times to set multiple values. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-set-file` | String value that specifies the name of an arbitrary config file. This flag is comparable to the `helm upgrade --set-file` <br/> flag. The contents of the file will be used to set a customizable value. You can use the `-set-file` flag multiple times to specify multiple files. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-set-string` | String value that enables you to set a customizable string value. This flag is comparable to the `helm upgrade --set-string` <br/> flag. You can use the `-set-string` flag multiple times to specify multiple strings. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-timeout` | Specifies how long to wait for the upgrade process to complete before timing out. The value is specified with an integer and string value indicating a unit of time. <br/> The following units are supported: <br/> `ms` (milliseconds)<br/>`s` (seconds)<br/>`m` (minutes) <br/>In the following example, the upgrade will timeout after one minute:<br/> `consul-k8s upgrade -timeout 1m` | `10m` | Optional |
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| `-wait` | Boolean value that determines if Consul should wait for resources in the upgrade to be ready before exiting the command. | `true` | Optional |
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| `-verbose`, `-v` | Boolean value that specifies whether to output verbose logs from the upgrade command with the status of resources being upgraded. | `false` | Optional |
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| `--help` | Prints usage information for this option. | none | Optional |
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See [Global Options](#global-options) for additional commands that you can use when installing Consul on Kubernetes.
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### `version`
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The `version` command prints the Consul on Kubernetes version. This command does not take any options.
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```shell-session
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consul-k8s version
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```
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You can also print the version with the `--version` flag.
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```shell-session
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consul-k8s --version
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```
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## Global Options
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The following global options are available.
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| Flag | Description | Default | Required |
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| ------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | ------- | -------- |
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| `-context` | String value that sets the Kubernetes context to use for Consul K8s CLI operations. | none | Optional |
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| `-kubeconfig` <br/> Alias: `-c` | String value that specifies the path to the `kubeconfig` file. <br/> | none | Optional |
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