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package metadata
import (
"github.com/coredns/caddy"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
)
func init() { plugin.Register("metadata", setup) }
func setup(c *caddy.Controller) error {
m, err := metadataParse(c)
if err != nil {
return err
}
dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
m.Next = next
return m
})
c.OnStartup(func() error {
plugins := dnsserver.GetConfig(c).Handlers()
for _, p := range plugins {
if met, ok := p.(Provider); ok {
m.Providers = append(m.Providers, met)
}
}
return nil
})
return nil
}
func metadataParse(c *caddy.Controller) (*Metadata, error) {
m := &Metadata{}
c.Next()
m.Zones = plugin.OriginsFromArgsOrServerBlock(c.RemainingArgs(), c.ServerBlockKeys)
if c.NextBlock() || c.Next() {
return nil, plugin.Error("metadata", c.ArgErr())
}
return m, nil
}
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