Adjust logrus default logging level to silence some containerd logs

cmd/bashbrew/main.go

@@ -6,6 +6,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/sirupsen/logrus" // this is used by containerd libraries, so we need to set the default log level for it
 	"github.com/urfave/cli"
 
 	"github.com/docker-library/bashbrew/architecture"
@@ -163,6 +164,11 @@ func main() {
 			debugFlag = c.GlobalBool("debug")
 			noSortFlag = c.GlobalBool("no-sort")
 
+			if !debugFlag {
+				// containerd uses logrus, but it defaults to "info" (which is a bit leaky where we use containerd)
+				logrus.SetLevel(logrus.WarnLevel)
+			}
+
 			arch = c.GlobalString("arch")
 			namespace = c.GlobalString("namespace")
 			constraints = c.GlobalStringSlice("constraint")

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/klauspost/compress v1.13.6 // indirect
 	github.com/opencontainers/image-spec v1.0.2
 	github.com/sergi/go-diff v1.2.0 // indirect
+	github.com/sirupsen/logrus v1.8.1
 	github.com/urfave/cli v1.22.5
 	github.com/xanzy/ssh-agent v0.3.1 // indirect
 	golang.org/x/crypto v0.0.0-20211117183948-ae814b36b871 // indirect