akeleton config and launch template

internal/config/config.go

@@ -0,0 +1,38 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/jinzhu/configor"
+)
+
+type Config = struct {
+	LogLevel              string `default:"Info" env:"WOODPECKER_AUTOSCALER_LOGLEVEL"`
+	CheckInterval         int    `default:"15" env:"WOODPECKER_AUTOSCALER_CHECK_INTERVAL"`
+	LabelSelector         string `default:"uploadfilter24.eu/instance-role=Woodpecker" env:"WOODPECKER_AUTOSCALER_LABELSELECTOR"`
+	WoodpeckerInstance    string `default:"" env:"WOODPECKER_AUTOSCALER_WOODPECKER_INSTANCE"`
+	WoodpeckerAgentSecret string `default:"" env:"WOODPECKER_AUTOSCALER_WOODPECKER_AGENT_SECRET"`
+	Protocol              string `default:"http" env:"WOODPECKER_AUTOSCALER_PROTOCOL"`
+	HcloudToken           string `default:"" env:"WOODPECKER_AUTOSCALER_HCLOUD_TOKEN"`
+	InstanceType          string `default:"" env:"WOODPECKER_AUTOSCALER_INSTANCE_TYPE"`
+	Zone                  string `default:"" env:"WOODPECKER_AUTOSCALER_ZONE"`
+	DryRun                bool   `default:"false" env:"WOODPECKER_AUTOSCALER_DRY_RUN"`
+	SSHKey                string `default:"" env:"WOODPECKER_AUTOSCALER_SSH_KEY"`
+}
+
+func GenConfig() (cfg *Config, err error) {
+
+	cfg = &Config{}
+
+	err = configor.New(&configor.Config{
+		ENVPrefix:          "WOODPECKER_AUTOSCALER",
+		AutoReload:         true,
+		Silent:             true,
+		AutoReloadInterval: time.Minute}).Load(cfg, "config.json")
+	if err != nil {
+		return nil, errors.New(fmt.Sprintf("Error generating Config: %s", err.Error()))
+	}
+	return cfg, nil
+}