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main.go
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main.go
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package main
import (
"fmt"
"os"
kustomv1 "github.com/fluxcd/kustomize-controller/api/v1beta2"
sourcev1 "github.com/fluxcd/source-controller/api/v1beta2"
"github.com/go-logr/logr"
"github.com/go-logr/stdr"
"github.com/spf13/cobra"
"k8s.io/apimachinery/pkg/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
)
var scheme *runtime.Scheme
func init() {
scheme = runtime.NewScheme()
err := clientgoscheme.AddToScheme(scheme)
if err != nil {
panic(err.Error())
}
err = sourcev1.AddToScheme(scheme)
if err != nil {
panic(err.Error())
}
err = kustomv1.AddToScheme(scheme)
if err != nil {
panic(err)
}
}
const (
WARNING = 0
INFO = 1
DEBUG = 2
TRACE = 3
)
var log logr.Logger
func newLog(verbosity int) logr.Logger {
stdr.SetVerbosity(verbosity)
return stdr.New(nil)
}
func main() {
global := &globalopts{}
rootCmd := &cobra.Command{
Use: "flux-whatif",
PersistentPreRun: func(*cobra.Command, []string) {
log = newLog(global.verbosity)
},
}
global.addFlags(rootCmd)
mo := &mergeopts{
globalopts: global,
}
merge := &cobra.Command{
Use: "merge",
RunE: mo.runE,
}
mo.addFlags(merge)
to := &tagopts{
globalopts: global,
}
tag := &cobra.Command{
Use: "tag",
RunE: to.runE,
}
to.addFlags(tag)
rootCmd.AddCommand(merge)
rootCmd.AddCommand(tag)
if err := rootCmd.Execute(); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}
type globalopts struct {
keepTmp bool
verbosity int
}
func (o *globalopts) addFlags(cmd *cobra.Command) {
cmd.PersistentFlags().BoolVar(&o.keepTmp, "keep", false, "if set, the temporary working directory will be logged and left intact rather than deleted")
cmd.PersistentFlags().IntVarP(&o.verbosity, "verbosity", "v", 0, "verbosity level: -1=errors only, 0=warnings, 1=info messages, 2=debugging messages, 3=tracing messages")
}