forked from kubernetes/minikube
/
util.go
139 lines (121 loc) · 3.36 KB
/
util.go
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/*
Copyright 2016 The Kubernetes 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 config
import (
"fmt"
"os"
"strconv"
"github.com/pkg/errors"
"k8s.io/minikube/pkg/minikube/assets"
"k8s.io/minikube/pkg/minikube/cluster"
"k8s.io/minikube/pkg/minikube/config"
"k8s.io/minikube/pkg/minikube/machine"
"k8s.io/minikube/pkg/minikube/storageclass"
)
// Runs all the validation or callback functions and collects errors
func run(name string, value string, fns []setFn) error {
var errors []error
for _, fn := range fns {
err := fn(name, value)
if err != nil {
errors = append(errors, err)
}
}
if len(errors) > 0 {
return fmt.Errorf("%v", errors)
}
return nil
}
func findSetting(name string) (Setting, error) {
for _, s := range settings {
if name == s.name {
return s, nil
}
}
return Setting{}, fmt.Errorf("Property name %s not found", name)
}
// Set Functions
func SetString(m config.MinikubeConfig, name string, val string) error {
m[name] = val
return nil
}
func SetInt(m config.MinikubeConfig, name string, val string) error {
i, err := strconv.Atoi(val)
if err != nil {
return err
}
m[name] = i
return nil
}
func SetBool(m config.MinikubeConfig, name string, val string) error {
b, err := strconv.ParseBool(val)
if err != nil {
return err
}
m[name] = b
return nil
}
func EnableOrDisableAddon(name string, val string) error {
enable, err := strconv.ParseBool(val)
if err != nil {
errors.Wrapf(err, "error attempted to parse enabled/disable value addon %s", name)
}
//TODO(r2d4): config package should not reference API, pull this out
api, err := machine.NewAPIClient()
if err != nil {
fmt.Fprintf(os.Stderr, "Error getting client: %s\n", err)
os.Exit(1)
}
defer api.Close()
cluster.EnsureMinikubeRunningOrExit(api, 0)
addon, _ := assets.Addons[name] // validation done prior
if err != nil {
return err
}
host, err := cluster.CheckIfApiExistsAndLoad(api)
if err != nil {
return errors.Wrap(err, "getting host")
}
cmd, err := machine.GetCommandRunner(host)
if err != nil {
return errors.Wrap(err, "getting command runner")
}
if enable {
for _, addon := range addon.Assets {
if err := cmd.Copy(addon); err != nil {
return errors.Wrapf(err, "error enabling addon %s: %s", addon.AssetName)
}
}
} else {
for _, addon := range addon.Assets {
if err := cmd.Remove(addon); err != nil {
return errors.Wrapf(err, "error disabling addon %s: %s", addon.AssetName)
}
}
}
return nil
}
func EnableOrDisableDefaultStorageClass(name, val string) error {
enable, err := strconv.ParseBool(val)
if err != nil {
return errors.Wrap(err, "Error parsing boolean")
}
// Special logic to disable the default storage class
if !enable {
err := storageclass.DisableDefaultStorageClass()
if err != nil {
return errors.Wrap(err, "Error disabling default storage class")
}
}
return EnableOrDisableAddon(name, val)
}