open-consul/agent/consul/connect_ca_endpoint.go

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package consul
import (
"github.com/hashicorp/consul/agent/consul/state"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/go-memdb"
)
// ConnectCA manages the Connect CA.
type ConnectCA struct {
// srv is a pointer back to the server.
srv *Server
}
// Roots returns the currently trusted root certificates.
func (s *ConnectCA) Roots(
args *structs.DCSpecificRequest,
reply *structs.IndexedCARoots) error {
// Forward if necessary
if done, err := s.srv.forward("ConnectCA.Roots", args, args, reply); done {
return err
}
return s.srv.blockingQuery(
&args.QueryOptions, &reply.QueryMeta,
func(ws memdb.WatchSet, state *state.Store) error {
index, roots, err := state.CARoots(ws)
if err != nil {
return err
}
reply.Index, reply.Roots = index, roots
if reply.Roots == nil {
reply.Roots = make(structs.CARoots, 0)
}
// The API response must NEVER contain the secret information
// such as keys and so on. We use a whitelist below to copy the
// specific fields we want to expose.
for i, r := range reply.Roots {
// IMPORTANT: r must NEVER be modified, since it is a pointer
// directly to the structure in the memdb store.
reply.Roots[i] = &structs.CARoot{
ID: r.ID,
Name: r.Name,
RootCert: r.RootCert,
RaftIndex: r.RaftIndex,
}
}
return nil
},
)
}