open-consul/command/agent/operator_endpoint.go

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package agent
import (
"net/http"
"github.com/hashicorp/consul/consul/structs"
"github.com/hashicorp/raft"
)
// OperatorRaftConfiguration is used to inspect the current Raft configuration.
// This supports the stale query mode in case the cluster doesn't have a leader.
func (s *HTTPServer) OperatorRaftConfiguration(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if req.Method != "GET" {
resp.WriteHeader(http.StatusMethodNotAllowed)
return nil, nil
}
var args structs.DCSpecificRequest
if done := s.parse(resp, req, &args.Datacenter, &args.QueryOptions); done {
return nil, nil
}
var reply structs.RaftConfigurationResponse
if err := s.agent.RPC("Operator.RaftGetConfiguration", &args, &reply); err != nil {
return nil, err
}
return reply, nil
}
// OperatorRaftPeer supports actions on Raft peers. Currently we only support
// removing peers by address.
func (s *HTTPServer) OperatorRaftPeer(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if req.Method != "DELETE" {
resp.WriteHeader(http.StatusMethodNotAllowed)
return nil, nil
}
var args structs.RaftPeerByAddressRequest
s.parseDC(req, &args.Datacenter)
s.parseToken(req, &args.Token)
params := req.URL.Query()
if _, ok := params["address"]; ok {
args.Address = raft.ServerAddress(params.Get("address"))
} else {
resp.WriteHeader(http.StatusBadRequest)
resp.Write([]byte("Must specify ?address with IP:port of peer to remove"))
return nil, nil
}
var reply struct{}
if err := s.agent.RPC("Operator.RaftRemovePeerByAddress", &args, &reply); err != nil {
return nil, err
}
return nil, nil
}