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daemon: improve some errors

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use pkg/errors for all errors in this file, and wrap some errors
to provide context.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-06-05 20:55:47 +02:00
parent 8a147a8c80
commit 986725b466
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GPG key ID: 76698F39D527CE8C
1 changed files with 5 additions and 6 deletions
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11
cmd/dockerd/daemon_unix.go
View file

@ -5,7 +5,6 @@ package main
import (
"context"
"fmt"
"net"
"os"
"os/signal"
@ -51,7 +50,7 @@ func setDefaultUmask() error {
desiredUmask := 0022
unix.Umask(desiredUmask)
if umask := unix.Umask(desiredUmask); umask != desiredUmask {
return fmt.Errorf("failed to set umask: expected %#o, got %#o", desiredUmask, umask)
return errors.Errorf("failed to set umask: expected %#o, got %#o", desiredUmask, umask)
}
return nil
@ -91,25 +90,25 @@ func (cli *DaemonCli) getSwarmRunRoot() string {
func allocateDaemonPort(addr string) error {
host, port, err := net.SplitHostPort(addr)
if err != nil {
return err
return errors.Wrap(err, "error parsing tcp address")
}
intPort, err := strconv.Atoi(port)
if err != nil {
return err
return errors.Wrap(err, "error parsing tcp address")
}
var hostIPs []net.IP
if parsedIP := net.ParseIP(host); parsedIP != nil {
hostIPs = append(hostIPs, parsedIP)
} else if hostIPs, err = net.LookupIP(host); err != nil {
return fmt.Errorf("failed to lookup %s address in host specification", host)
return errors.Errorf("failed to lookup %s address in host specification", host)
}
pa := portallocator.Get()
for _, hostIP := range hostIPs {
if _, err := pa.RequestPort(hostIP, "tcp", intPort); err != nil {
return fmt.Errorf("failed to allocate daemon listening port %d (err: %v)", intPort, err)
return errors.Errorf("failed to allocate daemon listening port %d (err: %v)", intPort, err)
}
}
return nil