caddyhttp: Support multiple logger names per host (#6088)

* caddyhttp: Support multiple logger names per host

* Lint

* Add adapt test

* Implement "string or array" parsing, keep original `logger_names`

* Rewrite adapter test to be more representative of the usecase

1 files changed, 6 insertions, 6 deletions

diff --git a/caddyconfig/httpcaddyfile/httptype.go b/caddyconfig/httpcaddyfile/httptype.go
index 99411d1cc..ab1012939 100644
--- a/caddyconfig/httpcaddyfile/httptype.go
+++ b/caddyconfig/httpcaddyfile/httptype.go
@@ -805,22 +805,22 @@ func (st *ServerType) serversFromPairings(
 					// if the logger overrides the hostnames, map that to the logger name
 					for _, h := range ncl.hostnames {
 						if srv.Logs.LoggerNames == nil {
-							srv.Logs.LoggerNames = make(map[string]string)
+							srv.Logs.LoggerNames = make(map[string]caddyhttp.StringArray)
 						}
-						srv.Logs.LoggerNames[h] = ncl.name
+						srv.Logs.LoggerNames[h] = append(srv.Logs.LoggerNames[h], ncl.name)
 					}
 				} else {
 					// otherwise, map each host to the logger name
 					for _, h := range sblockLogHosts {
-						if srv.Logs.LoggerNames == nil {
-							srv.Logs.LoggerNames = make(map[string]string)
-						}
 						// strip the port from the host, if any
 						host, _, err := net.SplitHostPort(h)
 						if err != nil {
 							host = h
 						}
-						srv.Logs.LoggerNames[host] = ncl.name
+						if srv.Logs.LoggerNames == nil {
+							srv.Logs.LoggerNames = make(map[string]caddyhttp.StringArray)
+						}
+						srv.Logs.LoggerNames[host] = append(srv.Logs.LoggerNames[host], ncl.name)
 					}
 				}
 			}