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d8714e64e4
* Rename middleware to plugin first pass; mostly used 'sed', few spots where I manually changed text. This still builds a coredns binary. * fmt error * Rename AddMiddleware to AddPlugin * Readd AddMiddleware to remain backwards compat
49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
package msg
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import (
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"path"
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"strings"
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"github.com/coredns/coredns/plugin/pkg/dnsutil"
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"github.com/miekg/dns"
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)
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// Path converts a domainname to an etcd path. If s looks like service.staging.skydns.local.,
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// the resulting key will be /skydns/local/skydns/staging/service .
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func Path(s, prefix string) string {
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l := dns.SplitDomainName(s)
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for i, j := 0, len(l)-1; i < j; i, j = i+1, j-1 {
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l[i], l[j] = l[j], l[i]
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}
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return path.Join(append([]string{"/" + prefix + "/"}, l...)...)
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}
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// Domain is the opposite of Path.
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func Domain(s string) string {
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l := strings.Split(s, "/")
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// start with 1, to strip /skydns
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for i, j := 1, len(l)-1; i < j; i, j = i+1, j-1 {
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l[i], l[j] = l[j], l[i]
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}
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return dnsutil.Join(l[1 : len(l)-1])
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}
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// PathWithWildcard ascts as Path, but if a name contains wildcards (* or any), the name will be
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// chopped of before the (first) wildcard, and we do a highler evel search and
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// later find the matching names. So service.*.skydns.local, will look for all
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// services under skydns.local and will later check for names that match
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// service.*.skydns.local. If a wildcard is found the returned bool is true.
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func PathWithWildcard(s, prefix string) (string, bool) {
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l := dns.SplitDomainName(s)
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for i, j := 0, len(l)-1; i < j; i, j = i+1, j-1 {
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l[i], l[j] = l[j], l[i]
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}
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for i, k := range l {
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if k == "*" || k == "any" {
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return path.Join(append([]string{"/" + prefix + "/"}, l[:i]...)...), true
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}
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}
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return path.Join(append([]string{"/" + prefix + "/"}, l...)...), false
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}
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