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open-consul/website/content/docs/k8s/k8s-cli.mdx
Iryna Shustava 57a2c201fa
docs: remaining agentless docs updates (#15455) 
* Update servers-outside-kubernetes.mdx

* Update single-dc-multi-k8s.mdx

* update Vault data integration for snapshot agent

* update k8s health checks page

* remove all instances of controller.enabled in helm values examples

* API Gateway update

* Apply suggestions from code review

Co-authored-by: Riddhi Shah <riddhi@hashicorp.com>

* Apply suggestions from code review

* Apply suggestions from code review

* Cleaner diagram

* added change around clients to workloads

Co-authored-by: Jeff Boruszak <104028618+boruszak@users.noreply.github.com>
Co-authored-by: boruszak <jeffrey.boruszak@hashicorp.com>
Co-authored-by: Riddhi Shah <riddhi@hashicorp.com>
Co-authored-by: David Yu <dyu@hashicorp.com>
2022-11-18 11:33:02 -06:00

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---
layout: docs
page_title: Consul on Kubernetes CLI Reference
description: >-
The Consul on Kubernetes CLI tool enables you to manage Consul with the `consul-k8s` command instead of direct interaction with Helm, kubectl, or Consul’s CLI. Learn about commands, their flags, and review examples in this reference guide.
---
# Consul on Kubernetes CLI Reference
The Consul on Kubernetes CLI, `consul-k8s`, is a tool for managing Consul
that does not require direct interaction with Helm, the [Consul CLI](/commands),
or `kubectl`.
For guidance on how to install `consul-k8s`, refer to the
[Installing the Consul K8s CLI](/docs/k8s/installation/install-cli) documentation.
This topic describes the commands and available options for using `consul-k8s`.
## Usage
The Consul on Kubernetes CLI uses the following syntax:
```shell-session
$ consul-k8s <COMMAND> <OPTIONS>
```
## Commands
You can use the following commands with `consul-k8s`.
- [`install`](#install): Install Consul on Kubernetes.
- [`proxy`](#proxy): Inspect Envoy proxies managed by Consul.
- [`proxy list`](#proxy-list): List all Pods running proxies managed by Consul.
- [`proxy read`](#proxy-read): Inspect the Envoy configuration for a given Pod.
- [`status`](#status): Check the status of a Consul installation on Kubernetes.
- [`uninstall`](#uninstall): Uninstall Consul deployment.
- [`upgrade`](#upgrade): Upgrade Consul on Kubernetes from an existing installation.
- [`version`](#version): Print the version of the Consul on Kubernetes CLI.
### `install`
The `install` command installs Consul on your Kubernetes cluster.
```shell-session
$ consul-k8s install <OPTIONS>
```
The following options are available.
| Flag | Description | Default |
| ----------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------|
| <nobr>`-auto-approve`</nobr> | Boolean value that enables you to skip the installation confirmation prompt. | `false` |
| <nobr>`-dry-run`</nobr> | Boolean value that validates the installation and returns a summary. | `false` |
| <nobr>`-config-file`</nobr> | 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 |
| <nobr>`-namespace`</nobr> | String value that specifies the namespace of the Consul installation. | `consul` |
| <nobr>`-preset`</nobr> | 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. |
| <nobr>`-set`</nobr> | 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 |
| <nobr>`-set-file`</nobr> | 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 |
| <nobr>`-set-string`</nobr> | 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 |
| <nobr>`-timeout`</nobr> | 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` |
| <nobr>`-wait`</nobr> | Boolean value that determines if Consul should wait for resources in the installation to be ready before exiting the command. | `true` |
| <nobr>`-verbose`, `-v`</nobr> | Boolean value that specifies whether to output verbose logs from the install command with the status of resources being installed. | `false` |
| <nobr>`-help`, `-h`</nobr> | Prints usage information for this option. | none |
See [Global Options](#global-options) for additional commands that you can use when installing Consul on Kubernetes.
#### Example Commands
The following example command installs Consul in the `myNS` namespace according to the `secure` preset.
```shell-session
$ consul-k8s install -preset=secure -namespace=myNS
```
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).
```shell-session
$ consul-k8s install -set key=value
```
```shell-session
$ consul-k8s install -set key1=value1 -set key2=value2
```
```shell-session
$ consul-k8s install -set-file config1=value1.conf
```
```shell-session
$ consul-k8s install -set-file config1=value1.conf -set-file config2=value2.conf
```
```shell-session
$ consul-k8s install -set-string key=value-bool
```
### `proxy`
The `proxy` command exposes two subcommands for interacting with proxies managed by
Consul in your Kubernetes Cluster.
- [`proxy list`](#proxy-list): List all Pods running proxies managed by Consul.
- [`proxy read`](#proxy-read): Inspect the Envoy configuration for a given Pod.
### `proxy list`
```shell-session
$ consul-k8s proxy list <OPTIONS>
```
| Flag | Description | Default |
| ------------------------------------ | ----------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| <nobr>`-all-namespaces`, `-A`</nobr> | `Boolean` List pods in all Kubernetes namespaces. | `false` |
| <nobr>`-namespace`, `-n`</nobr> | `String` The Kubernetes namespace to list proxies in. | Current [kubeconfig](https://kubernetes.io/docs/concepts/configuration/organize-cluster-access-kubeconfig/) namespace. |
Refer to the [Global Options](#global-options) for additional options that you can use
when installing Consul on Kubernetes.
This command lists proxies and their `Type`. Types of proxies include:
- `Sidecar`: The majority of pods in the cluster are `Sidecar` types. They run the
proxy as a sidecar to connect the pod as a service in the mesh.
- `API Gateway`: These pods run a proxy to manage connections with networks
outside of the Consul cluster. Read more about [API gateways](/docs/api-gateway).
- `Ingress Gateway`: These pods run a proxy to manage ingress into the
Kubernetes cluster. Read more about [ingress gateways](/docs/k8s/connect/ingress-gateways).
- `Terminating Gateway`: These pods run a proxy to control connections to
external services. Read more about [terminating gateways](/docs/k8s/connect/terminating-gateways).
- `Mesh Gateway`: These pods run a proxy to manage connections between
Consul clusters connected using mesh federation. Read more about [Consul Mesh Federation](/docs/k8s/deployment-configurations/multi-cluster/kubernetes).
#### Example Commands
Display all pods in the current Kubernetes namespace that run proxies managed
by Consul.
```shell-session
$ consul-k8s proxy list
```
```
Namespace: default
Name Type
backend-658b679b45-d5xlb Sidecar
client-767ccfc8f9-6f6gx Sidecar
client-767ccfc8f9-f8nsn Sidecar
client-767ccfc8f9-ggrtx Sidecar
frontend-676564547c-v2mfq Sidecar
```
Display all pods in the `consul` Kubernetes namespace that run proxies managed
by Consul.
```shell-session
$ consul-k8s proxy list -n consul
```
```
Namespace: consul
Name Type
consul-ingress-gateway-6fb5544485-br6fl Ingress Gateway
consul-ingress-gateway-6fb5544485-m54sp Ingress Gateway
```
Display all Pods across all namespaces that run proxies managed by Consul.
```shell-session
$ consul-k8s proxy list -A
Namespace: All namespaces
Namespace Name Type
consul consul-ingress-gateway-6fb5544485-br6fl Ingress Gateway
consul consul-ingress-gateway-6fb5544485-m54sp Ingress Gateway
default backend-658b679b45-d5xlb Sidecar
default client-767ccfc8f9-6f6gx Sidecar
default client-767ccfc8f9-f8nsn Sidecar
default client-767ccfc8f9-ggrtx Sidecar
default frontend-676564547c-v2mfq Sidecar
```
### `proxy read`
The `proxy read` command allows you to inspect the configuration of Envoy proxies running on a given Pod.
```shell-session
$ consul-k8s proxy read <PODNAME> <OPTIONS>
```
The command takes a required value, `<PODNAME>`. This should be the full name
of a Kubernetes Pod. If a Pod is running more than one Envoy proxy managed by
Consul, as in the [Multiport configuration](https://www.consul.io/docs/k8s/connect#kubernetes-pods-with-multiple-ports),
configuration for all proxies in the Pod will be displayed.
The following options are available.
| Flag | Description | Default |
| ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------- |
| <nobr>`-namespace`, `-n`</nobr> | `String` The namespace where the target Pod can be found. | Current [kubeconfig](https://kubernetes.io/docs/concepts/configuration/organize-cluster-access-kubeconfig/) namespace. |
| <nobr>`-output`, `-o`</nobr> | `String` Output the Envoy configuration as 'table', 'json', or 'raw'. | `'table'` |
| <nobr>`-clusters`</nobr> | `Boolean` Filter output to only show clusters. | `false` |
| <nobr>`-endpoints`</nobr> | `Boolean` Filter output to only show endpoints. | `false` |
| <nobr>`-listeners`</nobr> | `Boolean` Filter output to only show listeners. | `false` |
| <nobr>`-routes`</nobr> | `Boolean` Filter output to only show routes. | `false` |
| <nobr>`-secrets`</nobr> | `Boolean` Filter output to only show secrets. | `false` |
| <nobr>`-address`</nobr> | `String` Filter clusters, endpoints, and listeners output to only those with endpoint addresses which contain the given value. | `""` |
| <nobr>`-fqdn`</nobr> | `String` Filter cluster output to only clusters with a fully qualified domain name which contains the given value. | `""` |
| <nobr>`-port`</nobr> | `Int` Filter endpoints output to only endpoints with the given port number. | `-1` which does not filter by port |
#### Example commands
Get the configuration summary for the Envoy proxy running on the Pod
`backend-658b679b45-d5xlb`.
```shell-session
$ consul-k8s proxy read backend-658b679b45-d5xlb
Envoy configuration for backend-658b679b45-d5xlb in namespace default:
==> Clusters (5)
Name FQDN Endpoints Type Last Updated
local_agent local_agent 192.168.79.187:8502 STATIC 2022-05-13T04:22:39.553Z
client client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 192.168.18.110:20000, 192.168.52.101:20000, 192.168.65.131:20000 EDS 2022-08-08T12:02:07.471Z
frontend frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 192.168.63.120:20000 EDS 2022-08-08T12:02:07.354Z
local_app local_app 127.0.0.1:8080 STATIC 2022-05-13T04:22:39.655Z
original-destination original-destination ORIGINAL_DST 2022-05-13T04:22:39.743Z
==> Endpoints (6)
Address:Port Cluster Weight Status
192.168.79.187:8502 local_agent 1.00 HEALTHY
192.168.18.110:20000 client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 1.00 HEALTHY
192.168.52.101:20000 client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 1.00 HEALTHY
192.168.65.131:20000 client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 1.00 HEALTHY
192.168.63.120:20000 frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 1.00 HEALTHY
127.0.0.1:8080 local_app 1.00 HEALTHY
==> Listeners (2)
Name Address:Port Direction Filter Chain Match Filters Last Updated
public_listener 192.168.69.179:20000 INBOUND Any * to local_app/ 2022-08-08T12:02:22.261Z
outbound_listener 127.0.0.1:15001 OUTBOUND 10.100.134.173/32, 240.0.0.3/32 to client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 2022-07-18T15:31:03.246Z
10.100.31.2/32, 240.0.0.5/32 to frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul
Any to original-destination
==> Routes (1)
Name Destination Cluster Last Updated
public_listener local_app/ 2022-08-08T12:02:22.260Z
==> Secrets (0)
Name Type Last Updated
```
Get the Envoy configuration summary for all clusters with a fully qualified
domain name that includes `"default"`. Display only clusters and listeners.
```shell-session
$ consul-k8s proxy read backend-658b679b45-d5xlb -fqdn default -clusters -listeners
==> Filters applied
Fully qualified domain names containing: default
Envoy configuration for backend-658b679b45-d5xlb in namespace default:
==> Clusters (2)
Name FQDN Endpoints Type Last Updated
client client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 192.168.18.110:20000, 192.168.52.101:20000, 192.168.65.131:20000 EDS 2022-08-08T12:02:07.471Z
frontend frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 192.168.63.120:20000 EDS 2022-08-08T12:02:07.354Z
==> Listeners (2)
Name Address:Port Direction Filter Chain Match Filters Last Updated
public_listener 192.168.69.179:20000 INBOUND Any * to local_app/ 2022-08-08T12:02:22.261Z
outbound_listener 127.0.0.1:15001 OUTBOUND 10.100.134.173/32, 240.0.0.3/32 to client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul 2022-07-18T15:31:03.246Z
10.100.31.2/32, 240.0.0.5/32 to frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul
Any to original-destination
```
Get the Envoy configuration summary in a JSON format. Note that this is not the
same as the raw configuration dump from the admin API. This information is the
same as what is displayed in the table output above, but in a JSON format.
```shell-session
$ consul-k8s proxy read backend-658b679b45-d5xlb -o json
{
"backend-658b679b45-d5xlb": {
"clusters": [
{
"Name": "local_agent",
"FullyQualifiedDomainName": "local_agent",
"Endpoints": [
"192.168.79.187:8502"
],
"Type": "STATIC",
"LastUpdated": "2022-05-13T04:22:39.553Z"
},
{
"Name": "client",
"FullyQualifiedDomainName": "client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul",
"Endpoints": [
"192.168.18.110:20000",
"192.168.52.101:20000",
"192.168.65.131:20000"
],
"Type": "EDS",
"LastUpdated": "2022-08-08T12:02:07.471Z"
},
{
"Name": "frontend",
"FullyQualifiedDomainName": "frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul",
"Endpoints": [
"192.168.63.120:20000"
],
"Type": "EDS",
"LastUpdated": "2022-08-08T12:02:07.354Z"
},
{
"Name": "local_app",
"FullyQualifiedDomainName": "local_app",
"Endpoints": [
"127.0.0.1:8080"
],
"Type": "STATIC",
"LastUpdated": "2022-05-13T04:22:39.655Z"
},
{
"Name": "original-destination",
"FullyQualifiedDomainName": "original-destination",
"Endpoints": [],
"Type": "ORIGINAL_DST",
"LastUpdated": "2022-05-13T04:22:39.743Z"
}
],
"endpoints": [
{
"Address": "192.168.79.187:8502",
"Cluster": "local_agent",
"Weight": 1,
"Status": "HEALTHY"
},
{
"Address": "192.168.18.110:20000",
"Cluster": "client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul",
"Weight": 1,
"Status": "HEALTHY"
},
{
"Address": "192.168.52.101:20000",
"Cluster": "client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul",
"Weight": 1,
"Status": "HEALTHY"
},
{
"Address": "192.168.65.131:20000",
"Cluster": "client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul",
"Weight": 1,
"Status": "HEALTHY"
},
{
"Address": "192.168.63.120:20000",
"Cluster": "frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul",
"Weight": 1,
"Status": "HEALTHY"
},
{
"Address": "127.0.0.1:8080",
"Cluster": "local_app",
"Weight": 1,
"Status": "HEALTHY"
}
],
"listeners": [
{
"Name": "public_listener",
"Address": "192.168.69.179:20000",
"FilterChain": [
{
"Filters": [
"* to local_app/"
],
"FilterChainMatch": "Any"
}
],
"Direction": "INBOUND",
"LastUpdated": "2022-08-08T12:02:22.261Z"
},
{
"Name": "outbound_listener",
"Address": "127.0.0.1:15001",
"FilterChain": [
{
"Filters": [
"to client.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul"
],
"FilterChainMatch": "10.100.134.173/32, 240.0.0.3/32"
},
{
"Filters": [
"to frontend.default.dc1.internal.bc3815c2-1a0f-f3ff-a2e9-20d791f08d00.consul"
],
"FilterChainMatch": "10.100.31.2/32, 240.0.0.5/32"
},
{
"Filters": [
"to original-destination"
],
"FilterChainMatch": "Any"
}
],
"Direction": "OUTBOUND",
"LastUpdated": "2022-07-18T15:31:03.246Z"
}
],
"routes": [
{
"Name": "public_listener",
"DestinationCluster": "local_app/",
"LastUpdated": "2022-08-08T12:02:22.260Z"
}
],
"secrets": []
}
}
```
Get the raw Envoy configuration dump and clusters information for the Envoy
proxy running on the Pod `backend-658b679b45-d5xlb`. The example command returns
the raw configuration for each service as JSON. You can use the
[JQ command line tool](https://stedolan.github.io/jq/) to index into
the configuration for the service you want to inspect.
Refer to the [Envoy config dump documentation](https://www.envoyproxy.io/docs/envoy/latest/api-v3/admin/v3/config_dump.proto)
for more information on the structure of the config dump.
The following output is truncated for brevity.
```shell-session
$ consul-k8s proxy read backend-658b679b45-d5xlb -o raw
{
"backend-658b679b45-d5xlb": {
"clusters": {
// [-- snip 372 lines --] output from the Envoy admin interface's /clusters endpoint.
},
"config_dump": {
// [-- snip 1816 lines --] output from the Envoy admin interface's /config_dump?include_eds endpoint.
}
}
```
### `status`
The `status` command provides an overall status summary of the Consul on Kubernetes installation. It also provides the configuration that was used to deploy Consul K8s and information about the health of Consul servers and clients. This command does not take in any flags.
```shell-session
$ consul-k8s status
```
#### Example Command
```shell-session
$ consul-k8s status
==> Consul-K8s Status Summary
NAME | NAMESPACE | STATUS | CHARTVERSION | APPVERSION | REVISION | LAST UPDATED
---------+-----------+----------+--------------+------------+----------+--------------------------
consul | consul | deployed | 0.41.1 | 1.11.4 | 1 | 2022/03/10 07:48:58 MST
==> Config:
connectInject:
enabled: true
metrics:
defaultEnableMerging: true
defaultEnabled: true
enableGatewayMetrics: true
global:
metrics:
enableAgentMetrics: true
enabled: true
name: consul
prometheus:
enabled: true
server:
replicas: 1
ui:
enabled: true
service:
enabled: true
✓ Consul servers healthy (1/1)
✓ Consul clients healthy (3/3)
```
### `uninstall`
The `uninstall` command removes Consul from Kubernetes.
```shell-session
$ consul-k8s uninstall <OPTIONS>
```
The following options are available.
| Flag | Description | Default |
| ---------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |
| <nobr>`-auto-approve`</nobr> | Boolean value that enables you to skip the removal confirmation prompt. | `false` |
| <nobr>`-name`</nobr> | String value for the name of the installation to remove. | none |
| <nobr>`-namespace`</nobr> | String value that specifies the namespace of the Consul installation to remove. | `consul` |
| <nobr>`-timeout`</nobr> | 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` |
| <nobr>`-wipe-data`</nobr> | 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. |
| <nobr>`--help`</nobr> | Prints usage information for this option. | none |
See [Global Options](#global-options) for additional commands that you can use when uninstalling Consul from Kubernetes.
#### Example Command
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:
```shell-session
$ consul-k8s uninstall -namespace=my-ns -name=my-consul -wipe-data=true -auto-approve=true
```
### `upgrade`
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)
```shell-session
$ consul-k8s upgrade
```
The following options are available.
| Flag | Description | Default |
| ----------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------- |
| <nobr>`-auto-approve`</nobr> | Boolean value that enables you to skip the upgrade confirmation prompt. | `false` |
| <nobr>`-dry-run`</nobr> | Boolean value that allows you to run pre-upgrade checks and returns a summary of the upgrade. | `false` |
| <nobr>`-config-file`</nobr> | 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 |
| <nobr>`-namespace`</nobr> | String value that specifies the namespace of the Consul installation. | `consul` |
| <nobr>`-preset`</nobr> | String value that upgrades Consul based on a preset configuration. | Configuration of the Consul Helm chart. |
| <nobr>`-set`</nobr> | 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 |
| <nobr>`-set-file`</nobr> | 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 |
| <nobr>`-set-string`</nobr> | 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 |
| <nobr>`-timeout`</nobr> | 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` |
| <nobr>`-wait`</nobr> | Boolean value that determines if Consul should wait for resources in the upgrade to be ready before exiting the command. | `true` |
| <nobr>`-verbose`, `-v`</nobr> | Boolean value that specifies whether to output verbose logs from the upgrade command with the status of resources being upgraded. | `false` |
| <nobr>`--help`</nobr> | Prints usage information for this option. | none |
See [Global Options](#global-options) for additional commands that you can use when installing Consul on Kubernetes.
### `version`
The `version` command prints the Consul on Kubernetes version. This command does not take any options.
```shell-session
$ consul-k8s version
```
You can also print the version with the `--version` flag.
```shell-session
$ consul-k8s --version
```
## Global Options
The following global options are available.
| Flag | Description | Default |
| -------------------------------- | ----------------------------------------------------------------------------------- | ------- |
| <nobr>`-context`</nobr> | String value that sets the Kubernetes context to use for Consul K8s CLI operations. | none |
| <nobr>`-kubeconfig`, `-c`</nobr> | String value that specifies the path to the `kubeconfig` file. <br/> | none |
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