K8s remove string ops (#2119)

* plugin/kubernetes: remove bunch a string ops

This removes a bunch of appends to where not needed, makes dnsutil.Join
take variadic args which removes the need to wrap in a new string slice.

Signed-off-by: Miek Gieben <miek@miek.nl>

* Fix calls to dnsutil.Join

Signed-off-by: Miek Gieben <miek@miek.nl>

* Revert these

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben 2018-09-22 15:12:02 +01:00 committed by GitHub
parent b3d69f1c7f
commit 9546b606cb
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11 changed files with 31 additions and 44 deletions

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@ -8,12 +8,10 @@ import (
// Join joins labels to form a fully qualified domain name. If the last label is
// the root label it is ignored. Not other syntax checks are performed.
func Join(labels []string) string {
func Join(labels ...string) string {
ll := len(labels)
if labels[ll-1] == "." {
s := strings.Join(labels[:ll-1], ".")
return dns.Fqdn(s)
return strings.Join(labels[:ll-1], ".") + "."
}
s := strings.Join(labels, ".")
return dns.Fqdn(s)
return dns.Fqdn(strings.Join(labels, "."))
}