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Viewing changes to src/launchpad.net/juju-core/juju/osenv/proxy.go

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2014-01-29 11:40:20 UTC
  • mfrom: (23.1.1 trusty-proposed)
  • Revision ID: package-import@ubuntu.com-20140129114020-ejieitm8smtt5vln
Tags: 1.17.1-0ubuntu2
d/tests/local-provider: Don't fail tests if ~/.juju is present as its
created by the juju version command. 

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src/launchpad.net/juju-core/juju/osenv/proxy.go
 
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// Copyright 2014 Canonical Ltd.
 
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// Licensed under the AGPLv3, see LICENCE file for details.
 
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package osenv
 
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import (
 
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        "fmt"
 
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        "os"
 
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        "strings"
 
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)
 
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// ProxySettings holds the values for the http, https and ftp proxies found by
 
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// Detect Proxies.
 
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type ProxySettings struct {
 
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        Http  string
 
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        Https string
 
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        Ftp   string
 
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}
 
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func getProxySetting(key string) string {
 
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        value := os.Getenv(key)
 
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        if value == "" {
 
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                value = os.Getenv(strings.ToUpper(key))
 
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        }
 
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        return value
 
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}
 
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// DetectProxies returns the proxy settings found the environment.
 
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func DetectProxies() ProxySettings {
 
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        return ProxySettings{
 
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                Http:  getProxySetting("http_proxy"),
 
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                Https: getProxySetting("https_proxy"),
 
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                Ftp:   getProxySetting("ftp_proxy"),
 
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        }
 
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}
 
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// AsEnvironmentValues returns a potentially multi-line
 
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// string in a format that specifies key=value lines.
 
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// There are two lines for each non-empty proxy value,
 
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// one lower-case and one upper-case.
 
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func (s *ProxySettings) AsEnvironmentValues() string {
 
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        lines := []string{}
 
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        addLine := func(proxy, value string) {
 
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                if value != "" {
 
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                        lines = append(
 
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                                lines,
 
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                                fmt.Sprintf("export %s=%s", proxy, value),
 
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                                fmt.Sprintf("export %s=%s", strings.ToUpper(proxy), value))
 
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                }
 
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        }
 
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        addLine("http_proxy", s.Http)
 
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        addLine("https_proxy", s.Https)
 
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        addLine("ftp_proxy", s.Ftp)
 
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        return strings.Join(lines, "\n")
 
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}