Files
my-rook-config/pkg/util/flags/flags.go
T
Zhang Miaolei 100e80250f support ipv6 host-port pair
deprecate NetworkInfo.PublicAddrIPv4, use NetworkInfo.PublicAddr instead
deprecate NetworkInfo.ClusterAddrIPv4, use NetworkInfo.ClusterAddr instead
deprecate command flag public-ipv4, use public-ip instead
deprecate command flag private-ipv4, use private-ip instead
change ROOK_PUBLIC_IPV4 to ROOK_PUBLIC_IP
change ROOK_PRIVATE_IPV4 to ROOK_PRIVATE_IP

Signed-off-by: Zhang Miaolei <zmlcc@outlook.com>
2018-06-15 14:26:42 +08:00

115 lines
3.0 KiB
Go

/*
Copyright 2016 The Rook Authors. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flags
import (
"fmt"
"os"
"regexp"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
func VerifyRequiredFlags(cmd *cobra.Command, requiredFlags []string) error {
var missingFlags []string
for _, reqFlag := range requiredFlags {
val, err := cmd.Flags().GetString(reqFlag)
if err != nil || val == "" {
missingFlags = append(missingFlags, reqFlag)
}
}
return createRequiredFlagError(cmd.Name(), missingFlags)
}
type RenamedFlag struct {
NewFlagName string
OldFlagName string
}
func VerifyRenamedFlags(cmd *cobra.Command, renamedFlags []RenamedFlag) error {
var missingFlags []string
for _, renamedFlag := range renamedFlags {
val, err := cmd.Flags().GetString(renamedFlag.NewFlagName)
if err != nil || val == "" {
val, err := cmd.Flags().GetString(renamedFlag.OldFlagName)
if err != nil || val == "" {
missingFlags = append(missingFlags, renamedFlag.NewFlagName)
}
}
}
return createRequiredFlagError(cmd.Name(), missingFlags)
}
func VerifyRequiredUint64Flags(cmd *cobra.Command, requiredFlags []string) error {
var missingFlags []string
for _, reqFlag := range requiredFlags {
val, err := cmd.Flags().GetUint64(reqFlag)
if err != nil || val == 0 {
missingFlags = append(missingFlags, reqFlag)
}
}
return createRequiredFlagError(cmd.Name(), missingFlags)
}
func createRequiredFlagError(name string, flags []string) error {
if len(flags) == 0 {
return nil
}
if len(flags) == 1 {
return fmt.Errorf("%s is required for %s", flags[0], name)
}
return fmt.Errorf("%s are required for %s", strings.Join(flags, ","), name)
}
func SetFlagsFromEnv(flags *pflag.FlagSet, prefix string) error {
flags.VisitAll(func(f *pflag.Flag) {
envVar := prefix + "_" + strings.Replace(strings.ToUpper(f.Name), "-", "_", -1)
value := os.Getenv(envVar)
if value != "" {
// Set the environment variable. Will override default values, but be overridden by command line parameters.
flags.Set(f.Name, value)
}
})
return nil
}
// GetFlagsAndValues returns all flags and their values as a slice with elements in the format of
// "--<flag>=<value>"
func GetFlagsAndValues(flags *pflag.FlagSet, excludeFilter string) []string {
var flagValues []string
flags.VisitAll(func(f *pflag.Flag) {
val := f.Value.String()
if excludeFilter != "" {
if matched, _ := regexp.Match(excludeFilter, []byte(f.Name)); matched {
val = "*****"
}
}
flagValues = append(flagValues, fmt.Sprintf("--%s=%s", f.Name, val))
})
return flagValues
}