helmfile/pkg/runtime/runtime.go

58 lines
1.3 KiB
Go

package runtime
import (
"fmt"
"os"
"strconv"
"github.com/helmfile/helmfile/pkg/envvar"
)
// V1Mode is false by default for Helmfile v0.x and
// true by default for Helmfile v1.x
var (
V1Mode bool
// GoccyGoYaml is set to true in order to let Helmfile use
// goccy/go-yaml instead of gopkg.in/yaml.v2.
// It's false by default in Helmfile v0.x and true by default for Helmfile v1.x.
GoccyGoYaml bool
// We set this via ldflags at build-time so that we can use the
// value specified at the build time as the runtime default.
v1Mode string
)
func Info() string {
yamlLib := "gopkg.in/yaml.v2"
if GoccyGoYaml {
yamlLib = "goccy/go-yaml"
}
return fmt.Sprintf("V1 mode = %v\nYAML library = %v", V1Mode, yamlLib)
}
func init() {
// You can toggle the V1 mode at runtime via an envvar:
// - Helmfile v1.x behaves like v0.x by running it with HELMFILE_V1MODE=false
// - Helmfile v0.x behaves like v1.x by with HELMFILE_V1MODE=true
switch os.Getenv(envvar.V1Mode) {
case "true":
V1Mode = true
case "false":
V1Mode = false
default:
V1Mode, _ = strconv.ParseBool(v1Mode)
}
// You can switch the YAML library at runtime via an envvar:
switch os.Getenv(envvar.GoccyGoYaml) {
case "true":
GoccyGoYaml = true
case "false":
GoccyGoYaml = false
default:
GoccyGoYaml = V1Mode
}
}