mirror of
https://github.com/Oxalide/vsphere-influxdb-go.git
synced 2023-10-10 11:36:51 +00:00
104 lines
2.2 KiB
Go
104 lines
2.2 KiB
Go
/*
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Copyright (c) 2016 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package env
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import (
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"context"
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"flag"
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"fmt"
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"io"
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"strings"
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"github.com/vmware/govmomi/govc/cli"
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"github.com/vmware/govmomi/govc/flags"
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)
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type env struct {
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*flags.OutputFlag
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*flags.ClientFlag
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extra bool
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}
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func init() {
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cli.Register("env", &env{})
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}
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func (cmd *env) Register(ctx context.Context, f *flag.FlagSet) {
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cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
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cmd.OutputFlag.Register(ctx, f)
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cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
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cmd.ClientFlag.Register(ctx, f)
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f.BoolVar(&cmd.extra, "x", false, "Output variables for each GOVC_URL component")
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}
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func (cmd *env) Process(ctx context.Context) error {
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if err := cmd.OutputFlag.Process(ctx); err != nil {
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return err
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}
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if err := cmd.ClientFlag.Process(ctx); err != nil {
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return err
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}
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return nil
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}
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func (cmd *env) Description() string {
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return `Output the environment variables for this client.
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If credentials are included in the url, they are split into separate variables.
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Useful as bash scripting helper to parse GOVC_URL.`
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}
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func (cmd *env) Run(ctx context.Context, f *flag.FlagSet) error {
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env := envResult(cmd.ClientFlag.Environ(cmd.extra))
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if f.NArg() > 1 {
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return flag.ErrHelp
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}
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// Option to just output the value, example use:
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// password=$(govc env GOVC_PASSWORD)
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if f.NArg() == 1 {
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var output []string
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prefix := fmt.Sprintf("%s=", f.Arg(0))
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for _, e := range env {
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if strings.HasPrefix(e, prefix) {
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output = append(output, e[len(prefix):])
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break
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}
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}
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return cmd.WriteResult(envResult(output))
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}
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return cmd.WriteResult(env)
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}
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type envResult []string
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func (r envResult) Write(w io.Writer) error {
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for _, e := range r {
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fmt.Println(e)
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}
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return nil
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}
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