Replace panics with our logging framework

core/chat/concurrentConnections.go

@@ -12,13 +12,13 @@ import (
 func setSystemConcurrentConnectionLimit(limit int64) {
 	var rLimit syscall.Rlimit
 	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	originalLimit := rLimit.Cur
 	rLimit.Cur = uint64(limit)
 	if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	log.Traceln("Max process connection count changed from system limit of", originalLimit, "to", limit)

core/chat/concurrentConnections_freebsd.go

@@ -11,13 +11,13 @@ import (
 func setSystemConcurrentConnectionLimit(limit int64) {
 	var rLimit syscall.Rlimit
 	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	originalLimit := rLimit.Cur
 	rLimit.Cur = int64(limit)
 	if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	log.Traceln("Max process connection count changed from system limit of", originalLimit, "to", limit)

core/chat/utils.go

@@ -1,11 +1,14 @@
 package chat
 
-import "syscall"
+import (
+	"syscall"
+	log "github.com/sirupsen/logrus"
+)
 
 func getMaximumConcurrentConnectionLimit() int64 {
 	var rLimit syscall.Rlimit
 	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	// Return the limit to 70% of max so the machine doesn't die even if it's maxed out for some reason.

core/data/data.go

@@ -122,7 +122,7 @@ func migrateDatabase(db *sql.DB, from, to int) error {
 			log.Tracef("Migration step from %d to %d\n", v, v+1)
 			migrateToSchema1(db)
 		default:
-			panic("missing database migration step")
+			log.Fatalln("missing database migration step")
 		}
 	}
 

core/storageproviders/s3Storage.go

@@ -200,7 +200,7 @@ func (s *S3Storage) connectAWS() *session.Session {
 func (s *S3Storage) rewriteRemotePlaylist(filePath string) error {
 	f, err := os.Open(filePath) // nolint
 	if err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	p := m3u8.NewMasterPlaylist()

core/transcoder/transcoder.go

@@ -105,7 +105,7 @@ func (t *Transcoder) Start() {
 
 	stdout, err := _commandExec.StderrPipe()
 	if err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	if err := _commandExec.Start(); err != nil {

utils/utils.go

@@ -132,7 +132,7 @@ func RenderSimpleMarkdown(raw string) string {
 	trimmed := strings.TrimSpace(raw)
 	var buf bytes.Buffer
 	if err := markdown.Convert([]byte(trimmed), &buf); err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	return buf.String()
@@ -161,7 +161,7 @@ func RenderPageContentMarkdown(raw string) string {
 	trimmed := strings.TrimSpace(raw)
 	var buf bytes.Buffer
 	if err := markdown.Convert([]byte(trimmed), &buf); err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
 	return strings.TrimSpace(buf.String())