Merge pull request #291 from breml/allow-config-dir-env

Allow setting of `config_dir` provider attribute through environment variable

Author: stgraber

docs/index.md

@@ -61,7 +61,8 @@ The following arguments are supported:
   to. See the `remote` reference below for details.
 
 * `config_dir` - *Optional* - The directory to look for existing Incus
-  configuration. Defaults to `$HOME/.config/incus`
+  configuration. This can also be set with the `INCUS_CONF`
+  Environment variable. Defaults to `$HOME/.config/incus`
 
 * `generate_client_certificates` - *Optional* - Automatically generate the Incus
   client certificate if it does not exist. Valid values are `true` and `false`.

internal/provider/provider.go

@@ -146,6 +146,11 @@ func (p *IncusProvider) Configure(ctx context.Context, req provider.ConfigureReq
 	configDir := data.ConfigDir.ValueString()
 	if configDir == "" {
 		configDir = "$HOME/.config/incus"
+
+		v, ok := os.LookupEnv("INCUS_CONF")
+		if ok {
+			configDir = v
+		}
 	}
 	configDir = os.ExpandEnv(configDir)