package helm import ( "github.com/kelseyhightower/envconfig" ) // The Config struct captures the `settings` and `environment` blocks in the application's drone // config. Configuration in drone's `settings` block arrives as uppercase env vars matching the // config key, prefixed with `PLUGIN_`. Config from the `environment` block is *not* prefixed; any // keys that are likely to be in that block (i.e. things that use `from_secret` need an explicit // `envconfig:` tag so that envconfig will look for a non-prefixed env var. type Config struct { // Configuration for drone-helm itself Command string `envconfig:"HELM_COMMAND"` // Helm command to run DroneEvent string `envconfig:"DRONE_BUILD_EVENT"` // Drone event that invoked this plugin. UpdateDependencies bool `split_words:"true"` // Call `helm dependency update` before the main command Repos []string `envconfig:"HELM_REPOS"` // Call `helm repo add` before the main command Prefix string `` // Prefix to use when looking up secret env vars Debug bool `` // Generate debug output and pass --debug to all helm commands Values string `` // Argument to pass to --set in applicable helm commands StringValues string `split_words:"true"` // Argument to pass to --set-string in applicable helm commands ValuesFiles []string `split_words:"true"` // Arguments to pass to --values in applicable helm commands Namespace string `` // Kubernetes namespace for all helm commands KubeToken string `envconfig:"KUBERNETES_TOKEN"` // Kubernetes authentication token to put in .kube/config SkipTLSVerify bool `envconfig:"SKIP_TLS_VERIFY"` // Put insecure-skip-tls-verify in .kube/config Certificate string `envconfig:"KUBERNETES_CERTIFICATE"` // The Kubernetes cluster CA's self-signed certificate (must be base64-encoded) APIServer string `envconfig:"API_SERVER"` // The Kubernetes cluster's API endpoint ServiceAccount string `split_words:"true"` // Account to use for connecting to the Kubernetes cluster ChartVersion string `split_words:"true"` // Specific chart version to use in `helm upgrade` DryRun bool `split_words:"true"` // Pass --dry-run to applicable helm commands Wait bool `` // Pass --wait to applicable helm commands ReuseValues bool `split_words:"true"` // Pass --reuse-values to `helm upgrade` Timeout string `` // Argument to pass to --timeout in applicable helm commands Chart string `` // Chart argument to use in applicable helm commands Release string `` // Release argument to use in applicable helm commands Force bool `` // Pass --force to applicable helm commands } // Populate reads environment variables into the Config, accounting for several possible formats. func (cfg *Config) Populate() error { if err := envconfig.Process("plugin", cfg); err != nil { return err } if err := envconfig.Process("", cfg); err != nil { return err } return nil }