apiserver/logger: adding command for debug log

state/api/params/params.go

 // Copyright 2013 Canonical Ltd.
 // Licensed under the AGPLv3, see LICENCE file for details.
 
 package params
 
 import (
         "bytes"
         "encoding/json"
         "fmt"
 
@@ skipping 23 matching lines @@
                 return err
         }
         return nil
 }
 
 // ErrorResult holds the error status of a single operation.
 type ErrorResult struct {
         Error *Error
 }
 
+// DebugLogWatching holds the arguments for the debug log watcher. It
+// defines the initial number of lines as well as an entity (machine
+// or unit) to debug defined by its tag. In case of an empty tag the
+// whole debug log is watched.
+type DebugLogWatching struct {

[william.reade, 2014/01/14 14:41:41]

Still not keen on the noun "Watching". If anything it's an EntityLogRequest or
something -- and DebugLogWatchings.Watchings should be .Entities -- I think. 

[mue, 2014/01/15 13:14:17]

Sounds reasonable.

+        Lines int
+        Tag   string
+}
+
+// DebugLogWatchings holds multiple debug log watching arguments.
+type DebugLogWatchings struct {
+        Watchings []DebugLogWatching
+}
+
 // StatusData contains additional information for a status.
 type StatusData map[string]interface{}
 
 // AddRelation holds the parameters for making the AddRelation call.
 // The endpoints specified are unordered.
 type AddRelation struct {
         Endpoints []string
 }
 
 // AddRelationResults holds the results of a AddRelation call. The Endpoints
@@ skipping 504 matching lines @@
 type DeployerConnectionValues struct {
         StateAddresses []string
         APIAddresses   []string
         SyslogPort     int
 }
 
 // StatusParams holds parameters for the Status call.
 type StatusParams struct {
         Patterns []string
 }