woodpecker-helm3/docs/parameter_reference.md

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# Parameter reference
## Global
| Param name | Type | Purpose |
|---------------------|-----------------|---------|
| helm_command | string | Indicates the operation to perform. Recommended, but not required. Valid options are `upgrade`, `uninstall`, `lint`, and `help`. |
| update_dependencies | boolean | Calls `helm dependency update` before running the main command.|
| helm_repos | list\<string\> | Calls `helm repo add $repo` before running the main command. Each string should be formatted as `repo_name=https://repo.url/`. |
| namespace | string | Kubernetes namespace to use for this operation. |
| debug | boolean | Generate debug output within drone-helm3 and pass `--debug` to all helm commands. Use with care, since the debug output may include secrets. |
## Linting
Linting is only triggered when the `helm_command` setting is "lint".
| Param name | Type | Required | Purpose |
|---------------|----------------|----------|---------|
| chart | string | yes | The chart to be linted. Must be a local path. |
| values | list\<string\> | | Chart values to use as the `--set` argument to `helm lint`. |
| string_values | list\<string\> | | Chart values to use as the `--set-string` argument to `helm lint`. |
| values_files | list\<string\> | | Values to use as `--values` arguments to `helm lint`. |
| lint_strictly | boolean | | Pass `--strict` to `helm lint`, to turn warnings into errors. |
## Installation
Installations are triggered when the `helm_command` setting is "upgrade." They can also be triggered when the build was triggered by a `push`, `tag`, `deployment`, `pull_request`, `promote`, or `rollback` Drone event.
| Param name | Type | Required | Purpose |
|------------------------|----------------|----------|---------|
| chart | string | yes | The chart to use for this installation. |
| release | string | yes | The release name for helm to use. |
| api_server | string | yes | API endpoint for the Kubernetes cluster. |
| kubernetes_token | string | yes | Token for authenticating to Kubernetes. |
| service_account | string | | Service account for authenticating to Kubernetes. Default is `helm`. |
| kubernetes_certificate | string | | Base64 encoded TLS certificate used by the Kubernetes cluster's certificate authority. |
| chart_version | string | | Specific chart version to install. |
| dry_run | boolean | | Pass `--dry-run` to `helm upgrade`. |
| wait | boolean | | Wait until kubernetes resources are in a ready state before marking the installation successful. |
| timeout | duration | | Timeout for any *individual* Kubernetes operation. The installation's full runtime may exceed this duration. |
| force | boolean | | Pass `--force` to `helm upgrade`. |
| values | list\<string\> | | Chart values to use as the `--set` argument to `helm upgrade`. |
| string_values | list\<string\> | | Chart values to use as the `--set-string` argument to `helm upgrade`. |
| values_files | list\<string\> | | Values to use as `--values` arguments to `helm upgrade`. |
| reuse_values | boolean | | Reuse the values from a previous release. |
| skip_tls_verify | boolean | | Connect to the Kubernetes cluster without checking for a valid TLS certificate. Not recommended in production. |
## Uninstallation
Uninstallations are triggered when the `helm_command` setting is "uninstall" or "delete." They can also be triggered when the build was triggered by a `delete` Drone event.
| Param name | Type | Required | Purpose |
|------------------------|----------|----------|---------|
| release | string | yes | The release name for helm to use. |
| api_server | string | yes | API endpoint for the Kubernetes cluster. |
| kubernetes_token | string | yes | Token for authenticating to Kubernetes. |
| service_account | string | | Service account for authenticating to Kubernetes. Default is `helm`. |
| kubernetes_certificate | string | | Base64 encoded TLS certificate used by the Kubernetes cluster's certificate authority. |
| dry_run | boolean | | Pass `--dry-run` to `helm uninstall`. |
| timeout | duration | | Timeout for any *individual* Kubernetes operation. The uninstallation's full runtime may exceed this duration. |
| skip_tls_verify | boolean | | Connect to the Kubernetes cluster without checking for a valid TLS certificate. Not recommended in production. |
| chart | string | | Required when the global `update_dependencies` parameter is true. No effect otherwise. |
### Where to put settings
Any setting can go in either the `settings` or `environment` section.
### Formatting non-string values
* Booleans can be yaml's `true` and `false` literals or the strings `"true"` and `"false"`.
* Durations are strings formatted with the syntax accepted by [golang's ParseDuration function](https://golang.org/pkg/time/#ParseDuration) (e.g. 5m30s)
* For backward-compatibility with drone-helm, a duration can also be an integer, in which case it will be interpreted to mean seconds.
* List\<string\>s can be a yaml sequence or a comma-separated string.
All of the following are equivalent:
```yaml
values: "foo=1,bar=2"
values: ["foo=1", "bar=2"]
values:
- foo=1
- bar=2
```
Note that **list members must not contain commas**. Both of the following are equivalent:
```yaml
values_files: [ "./over_9,000.yml" ]
values_files: [ "./over_9", "000.yml" ]
```