mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
118 lines
2.7 KiB
Go
118 lines
2.7 KiB
Go
/*
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Copyright 2014 CoreOS, Inc.
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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 command
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import (
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"errors"
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"io"
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"io/ioutil"
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"net/http"
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"net/url"
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"os"
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"strings"
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"github.com/coreos/etcd/Godeps/_workspace/src/github.com/codegangsta/cli"
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"github.com/coreos/etcd/pkg/transport"
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)
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var (
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ErrNoAvailSrc = errors.New("no available argument and stdin")
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)
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// trimsplit slices s into all substrings separated by sep and returns a
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// slice of the substrings between the separator with all leading and trailing
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// white space removed, as defined by Unicode.
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func trimsplit(s, sep string) []string {
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raw := strings.Split(s, ",")
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trimmed := make([]string, 0)
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for _, r := range raw {
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trimmed = append(trimmed, strings.TrimSpace(r))
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}
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return trimmed
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}
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func argOrStdin(args []string, stdin io.Reader, i int) (string, error) {
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if i < len(args) {
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return args[i], nil
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}
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bytes, err := ioutil.ReadAll(stdin)
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if string(bytes) == "" || err != nil {
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return "", ErrNoAvailSrc
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}
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return string(bytes), nil
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}
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func getPeersFlagValue(c *cli.Context) []string {
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peerstr := c.GlobalString("peers")
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// Use an environment variable if nothing was supplied on the
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// command line
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if peerstr == "" {
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peerstr = os.Getenv("ETCDCTL_PEERS")
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}
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// If we still don't have peers, use a default
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if peerstr == "" {
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peerstr = "127.0.0.1:4001"
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}
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return strings.Split(peerstr, ",")
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}
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func getEndpoints(c *cli.Context) ([]string, error) {
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eps := getPeersFlagValue(c)
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for i, ep := range eps {
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u, err := url.Parse(ep)
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if err != nil {
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return nil, err
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}
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if u.Scheme == "" {
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u.Scheme = "http"
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}
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eps[i] = u.String()
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}
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return eps, nil
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}
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func getTransport(c *cli.Context) (*http.Transport, error) {
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cafile := c.GlobalString("ca-file")
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certfile := c.GlobalString("cert-file")
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keyfile := c.GlobalString("key-file")
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// Use an environment variable if nothing was supplied on the
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// command line
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if cafile == "" {
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cafile = os.Getenv("ETCDCTL_CA_FILE")
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}
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if certfile == "" {
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certfile = os.Getenv("ETCDCTL_CERT_FILE")
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}
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if keyfile == "" {
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keyfile = os.Getenv("ETCDCTL_KEY_FILE")
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}
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tls := transport.TLSInfo{
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CAFile: cafile,
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CertFile: certfile,
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KeyFile: keyfile,
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}
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return transport.NewTransport(tls)
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}
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