Update all plugins to use plugin/pkg/log (#1694)

* Update all plugins to use plugin/pkg/log

I wish this could have been done with sed. Alas manually changed all
callers to use the new plugin/pkg/log package.

* Error -> Info

* Add docs to debug plugin as well

1 files changed, 5 insertions, 4 deletions

diff --git a/plugin/file/reload.go b/plugin/file/reload.go
index 5effae8eb..28e85b5eb 100644
--- a/plugin/file/reload.go
+++ b/plugin/file/reload.go
@@ -1,9 +1,10 @@
 package file
 
 import (
-	"log"
 	"os"
 	"time"
+
+	"github.com/coredns/coredns/plugin/pkg/log"
 )
 
 // TickTime is the default time we use to reload zone. Exported to be tweaked in tests.
@@ -25,7 +26,7 @@ func (z *Zone) Reload() error {
 			case <-tick.C:
 				reader, err := os.Open(z.file)
 				if err != nil {
-					log.Printf("[ERROR] Failed to open zone %q in %q: %v", z.origin, z.file, err)
+					log.Errorf("Failed to open zone %q in %q: %v", z.origin, z.file, err)
 					continue
 				}
 
@@ -33,7 +34,7 @@ func (z *Zone) Reload() error {
 				zone, err := Parse(reader, z.origin, z.file, serial)
 				if err != nil {
 					if _, ok := err.(*serialErr); !ok {
-						log.Printf("[ERROR] Parsing zone %q: %v", z.origin, err)
+						log.Errorf("Parsing zone %q: %v", z.origin, err)
 					}
 					continue
 				}
@@ -44,7 +45,7 @@ func (z *Zone) Reload() error {
 				z.Tree = zone.Tree
 				z.reloadMu.Unlock()
 
-				log.Printf("[INFO] Successfully reloaded zone %q in %q with serial %d", z.origin, z.file, z.Apex.SOA.Serial)
+				log.Infof("Successfully reloaded zone %q in %q with serial %d", z.origin, z.file, z.Apex.SOA.Serial)
 				z.Notify()
 
 			case <-z.reloadShutdown: