open-consul/agent/internal_endpoint.go

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package agent
import (
"fmt"
"net/http"
"strings"
"github.com/hashicorp/consul/agent/structs"
)
// InternalDiscoveryChain is helpful for debugging. Eventually we should expose
// this data officially somehow.
func (s *HTTPServer) InternalDiscoveryChain(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
var args structs.DiscoveryChainRequest
if done := s.parse(resp, req, &args.Datacenter, &args.QueryOptions); done {
return nil, nil
}
args.Name = strings.TrimPrefix(req.URL.Path, "/v1/internal/discovery-chain/")
if args.Name == "" {
resp.WriteHeader(http.StatusBadRequest)
fmt.Fprint(resp, "Missing chain name")
return nil, nil
}
// Make the RPC request
var out structs.DiscoveryChainResponse
defer setMeta(resp, &out.QueryMeta)
if err := s.agent.RPC("ConfigEntry.ReadDiscoveryChain", &args, &out); err != nil {
return nil, err
}
if out.Chain == nil {
resp.WriteHeader(http.StatusNotFound)
return nil, nil
}
return out.Chain, nil
}