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refactor entries added by hostAlias into a separate method and be explicit about the source

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This commit is contained in:
Ricky Pai 2017-08-14 14:37:27 -07:00
parent a4996c99d4
commit ceb33bde29
2 changed files with 17 additions and 0 deletions
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13
pkg/kubelet/kubelet_pods.go
View File

@ -266,6 +266,19 @@ func managedHostsFileContent(hostIP, hostName, hostDomainName string, hostAliase
} else {
buffer.WriteString(fmt.Sprintf("%s\t%s\n", hostIP, hostName))
}
hostsFileContent := buffer.Bytes()
hostsFileContent = append(hostsFileContent, hostsEntriesFromHostAliases(hostAliases)...)
return hostsFileContent
}
func hostsEntriesFromHostAliases(hostAliases []v1.HostAlias) []byte {
if len(hostAliases) == 0 {
return []byte{}
}
var buffer bytes.Buffer
buffer.WriteString("\n")
buffer.WriteString("# Entries added by HostAliases.\n")
// write each IP/hostname pair as an entry into hosts file
for _, hostAlias := range hostAliases {
for _, hostname := range hostAlias.Hostnames {

4
pkg/kubelet/kubelet_pods_test.go
View File

@ -287,6 +287,8 @@ fe00::0 ip6-mcastprefix
fe00::1 ip6-allnodes
fe00::2 ip6-allrouters
203.0.113.1 podFoo.domainFoo podFoo
# Entries added by HostAliases.
123.45.67.89 foo
123.45.67.89 bar
123.45.67.89 baz
@ -308,6 +310,8 @@ fe00::0 ip6-mcastprefix
fe00::1 ip6-allnodes
fe00::2 ip6-allrouters
203.0.113.1 podFoo.domainFoo podFoo
# Entries added by HostAliases.
123.45.67.89 foo
123.45.67.89 bar
123.45.67.89 baz