ignore EROFS and EPERM errors on config saving

agent still works in remote mode and executable environment may not allow to save any data at all (e.g. in k8s container), so be robust. Signed-off-by: Alex Lyashko <[email protected]>
google · Oct 5, 2023 · 1f2bfd9 · 1f2bfd9
1 parent 7735672
commit 1f2bfd9
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/agent/agent.go b/agent/agent.go
@@ -10,6 +10,7 @@ import (
 	"bufio"
 	"context"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -145,12 +146,18 @@ func saveConfig(opts Options, port int) (err error) {
 	}
 
 	err = os.MkdirAll(gopsdir, os.ModePerm)
+	if errors.Is(err, syscall.EROFS) || errors.Is(err, syscall.EPERM) { // ignore and work in remote mode only
+		return nil
+	}
 	if err != nil {
 		return err
 	}
 
 	portfile = filepath.Join(gopsdir, strconv.Itoa(os.Getpid()))
 	err = os.WriteFile(portfile, []byte(strconv.Itoa(port)), os.ModePerm)
+	if errors.Is(err, syscall.EROFS) || errors.Is(err, syscall.EPERM) { // ignore and work in remote mode only
+		return nil
+	}
 	if err != nil {
 		return err
 	}