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add linked containers to hosts file

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Docker-DCO-1.1-Signed-off-by: Bryan Murphy <bmurphy1976@gmail.com> (github: bmurphy1976)

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
Tested-by: Solomon Hykes <solomon@docker.com> (github: shykes)
This commit is contained in:
Bryan Murphy 2014-04-07 18:34:07 +00:00 committed by Solomon Hykes
parent 512bf6cd45
commit 8cd2903898
1 changed files with 10 additions and 1 deletions
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11
networkfs/etchosts/etchosts.go
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@ -15,7 +15,7 @@ var defaultContent = map[string]string{
"ip6-allrouters": "ff02::2", "ip6-allrouters": "ff02::2",
} }
func Build(path, IP, hostname, domainname string) error { func Build(path, IP, hostname, domainname string, extraContent *map[string]string) error {
content := bytes.NewBuffer(nil) content := bytes.NewBuffer(nil)
if IP != "" { if IP != "" {
if domainname != "" { if domainname != "" {
@ -30,5 +30,14 @@ func Build(path, IP, hostname, domainname string) error {
return err return err
} }
} }
if extraContent != nil {
for hosts, ip := range *extraContent {
if _, err := content.WriteString(fmt.Sprintf("%s\t%s\n", ip, hosts)); err != nil {
return err
}
}
}
return ioutil.WriteFile(path, content.Bytes(), 0644) return ioutil.WriteFile(path, content.Bytes(), 0644)
} }