f901b0cefa
* tests: CoreDNSServerAndPorts Copy from kubernetes.go and renamed to fit the style, adapted almost all callers. This is a mechanicl change, no testdata was changed. * typos
79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
package test
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import (
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"io/ioutil"
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"log"
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"sync"
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"github.com/coredns/coredns/core/dnsserver"
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// Hook in CoreDNS.
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_ "github.com/coredns/coredns/core"
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"github.com/mholt/caddy"
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)
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var mu sync.Mutex
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// CoreDNSServer returns a CoreDNS test server. It just takes a normal Corefile as input.
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func CoreDNSServer(corefile string) (*caddy.Instance, error) {
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mu.Lock()
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defer mu.Unlock()
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caddy.Quiet = true
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dnsserver.Quiet = true
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log.SetOutput(ioutil.Discard)
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return caddy.Start(NewInput(corefile))
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}
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// CoreDNSServerStop stops a server.
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func CoreDNSServerStop(i *caddy.Instance) { i.Stop() }
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// CoreDNSServerPorts returns the ports the instance is listening on. The integer k indicates
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// which ServerListener you want.
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func CoreDNSServerPorts(i *caddy.Instance, k int) (udp, tcp string) {
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srvs := i.Servers()
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if len(srvs) < k+1 {
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return "", ""
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}
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u := srvs[k].LocalAddr()
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t := srvs[k].Addr()
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if u != nil {
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udp = u.String()
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}
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if t != nil {
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tcp = t.String()
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}
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return
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}
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// CoreDNSServerAndPorts combines CoreDNSServer and CoreDNSServerPorts to start a CoreDNS
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// server and returns the udp and tcp ports of the first instance.
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func CoreDNSServerAndPorts(corefile string) (i *caddy.Instance, udp, tcp string, err error) {
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i, err = CoreDNSServer(corefile)
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if err != nil {
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return nil, "", "", err
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}
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udp, tcp = CoreDNSServerPorts(i, 0)
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return i, udp, tcp, nil
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}
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// Input implements the caddy.Input interface and acts as an easy way to use a string as a Corefile.
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type Input struct {
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corefile []byte
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}
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// NewInput returns a pointer to Input, containing the corefile string as input.
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func NewInput(corefile string) *Input {
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return &Input{corefile: []byte(corefile)}
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}
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// Body implements the Input interface.
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func (i *Input) Body() []byte { return i.corefile }
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// Path implements the Input interface.
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func (i *Input) Path() string { return "Corefile" }
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// ServerType implements the Input interface.
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func (i *Input) ServerType() string { return "dns" }
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