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Add DD support (#1596)

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This commit is contained in:
Yamil Asusta
2018-03-09 16:08:57 -04:00
committed by John Belamaric
parent 95342dfaad
commit 87790dd47c
214 changed files with 69817 additions and 18 deletions
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34
plugin/trace/setup.go
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@@ -36,7 +36,7 @@ func setup(c *caddy.Controller) error {
func traceParse(c *caddy.Controller) (*trace, error) {
var (
tr = &trace{Endpoint: defEP, EndpointType: defEpType, every: 1, serviceName: defServiceName}
tr = &trace{every: 1, serviceName: defServiceName}
err error
)
@@ -47,12 +47,12 @@ func traceParse(c *caddy.Controller) (*trace, error) {
args := c.RemainingArgs()
switch len(args) {
case 0:
tr.Endpoint, err = normalizeEndpoint(tr.EndpointType, defEP)
tr.EndpointType, tr.Endpoint, err = normalizeEndpoint(defEpType, "")
case 1:
tr.Endpoint, err = normalizeEndpoint(defEpType, args[0])
tr.EndpointType, tr.Endpoint, err = normalizeEndpoint(defEpType, args[0])
case 2:
tr.EndpointType = strings.ToLower(args[0])
tr.Endpoint, err = normalizeEndpoint(tr.EndpointType, args[1])
epType := strings.ToLower(args[0])
tr.EndpointType, tr.Endpoint, err = normalizeEndpoint(epType, args[1])
default:
err = c.ArgErr()
}
@@ -94,20 +94,30 @@ func traceParse(c *caddy.Controller) (*trace, error) {
return tr, err
}
func normalizeEndpoint(epType, ep string) (string, error) {
switch epType {
case "zipkin":
func normalizeEndpoint(epType, ep string) (string, string, error) {
if _, ok := supportedProviders[epType]; !ok {
return "", "", fmt.Errorf("tracing endpoint type '%s' is not supported", epType)
}
if ep == "" {
ep = supportedProviders[epType]
}
if epType == "zipkin" {
if !strings.Contains(ep, "http") {
ep = "http://" + ep + "/api/v1/spans"
}
return ep, nil
default:
return "", fmt.Errorf("tracing endpoint type '%s' is not supported", epType)
}
return epType, ep, nil
}
var supportedProviders = map[string]string{
"zipkin": "localhost:9411",
"datadog": "localhost:8126",
}
const (
defEP = "localhost:9411"
defEpType = "zipkin"
defServiceName = "coredns"
)