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Add namespace_labels configuration for kubernetes plugin (#2707)

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Matt Greenfield 2019-03-22 08:32:40 -06:00 • committed by Miek Gieben
parent 43c3e0ab68
commit a3dd8cdf8d
9 changed files with 278 additions and 40 deletions
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16
plugin/kubernetes/setup.go
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@ -234,6 +234,18 @@ func ParseStanza(c *caddy.Controller) (*Kubernetes, error) {
continue
}
return nil, c.ArgErr()
case "namespace_labels":
args := c.RemainingArgs()
if len(args) > 0 {
namespaceLabelSelectorString := strings.Join(args, " ")
nls, err := meta.ParseToLabelSelector(namespaceLabelSelectorString)
if err != nil {
return nil, fmt.Errorf("unable to parse namespace_label selector value: '%v': %v", namespaceLabelSelectorString, err)
}
k8s.opts.namespaceLabelSelector = nls
continue
}
return nil, c.ArgErr()
case "fallthrough":
k8s.Fall.SetZonesFromArgs(c.RemainingArgs())
case "upstream":
@ -293,6 +305,10 @@ func ParseStanza(c *caddy.Controller) (*Kubernetes, error) {
}
}
if len(k8s.Namespaces) != 0 && k8s.opts.namespaceLabelSelector != nil {
return nil, c.Errf("namespaces and namespace_labels cannot both be set")
}
return k8s, nil
}