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improve error checking (#1938)

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This commit is contained in:
Arthur Silva 2017-10-31 14:19:51 -02:00 committed by Matt Holt
parent ac1f3bfaaa
commit 74d4fd3c29
3 changed files with 39 additions and 12 deletions
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10
assets_test.go
View file

@ -25,9 +25,15 @@ func TestAssetsPath(t *testing.T) {
t.Errorf("Expected path to be a .caddy folder, got: %v", actual) t.Errorf("Expected path to be a .caddy folder, got: %v", actual)
} }
os.Setenv("CADDYPATH", "testpath") err := os.Setenv("CADDYPATH", "testpath")
if err != nil {
t.Error("Could not set CADDYPATH")
}
if actual, expected := AssetsPath(), "testpath"; actual != expected { if actual, expected := AssetsPath(), "testpath"; actual != expected {
t.Errorf("Expected path to be %v, got: %v", expected, actual) t.Errorf("Expected path to be %v, got: %v", expected, actual)
} }
os.Setenv("CADDYPATH", "") err = os.Setenv("CADDYPATH", "")
if err != nil {
t.Error("Could not set CADDYPATH")
}
} }

31
caddy.go
View file

@ -206,12 +206,15 @@ func (i *Instance) Restart(newCaddyfile Input) (*Instance, error) {
// success! stop the old instance // success! stop the old instance
for _, shutdownFunc := range i.onShutdown { for _, shutdownFunc := range i.onShutdown {
err := shutdownFunc() err = shutdownFunc()
if err != nil { if err != nil {
return i, err return i, err
} }
} }
i.Stop() err = i.Stop()
if err != nil {
return i, err
}
// Execute instantiation events // Execute instantiation events
EmitEvent(InstanceStartupEvent, newInst) EmitEvent(InstanceStartupEvent, newInst)
@ -483,14 +486,14 @@ func startWithListenerFds(cdyfile Input, inst *Instance, restartFds map[string]r
if !IsUpgrade() && restartFds == nil { if !IsUpgrade() && restartFds == nil {
// first startup means not a restart or upgrade // first startup means not a restart or upgrade
for _, firstStartupFunc := range inst.onFirstStartup { for _, firstStartupFunc := range inst.onFirstStartup {
err := firstStartupFunc() err = firstStartupFunc()
if err != nil { if err != nil {
return err return err
} }
} }
} }
for _, startupFunc := range inst.onStartup { for _, startupFunc := range inst.onStartup {
err := startupFunc() err = startupFunc()
if err != nil { if err != nil {
return err return err
} }
@ -653,7 +656,10 @@ func startServers(serverList []Server, inst *Instance, restartFds map[string]res
if fdIndex, ok := loadedGob.ListenerFds["tcp"+addr]; ok { if fdIndex, ok := loadedGob.ListenerFds["tcp"+addr]; ok {
file := os.NewFile(fdIndex, "") file := os.NewFile(fdIndex, "")
ln, err = net.FileListener(file) ln, err = net.FileListener(file)
file.Close() if err != nil {
return err
}
err = file.Close()
if err != nil { if err != nil {
return err return err
} }
@ -661,7 +667,10 @@ func startServers(serverList []Server, inst *Instance, restartFds map[string]res
if fdIndex, ok := loadedGob.ListenerFds["udp"+addr]; ok { if fdIndex, ok := loadedGob.ListenerFds["udp"+addr]; ok {
file := os.NewFile(fdIndex, "") file := os.NewFile(fdIndex, "")
pc, err = net.FilePacketConn(file) pc, err = net.FilePacketConn(file)
file.Close() if err != nil {
return err
}
err = file.Close()
if err != nil { if err != nil {
return err return err
} }
@ -684,7 +693,10 @@ func startServers(serverList []Server, inst *Instance, restartFds map[string]res
if err != nil { if err != nil {
return err return err
} }
file.Close() err = file.Close()
if err != nil {
return err
}
} }
// packetconn // packetconn
if old.packet != nil { if old.packet != nil {
@ -696,7 +708,10 @@ func startServers(serverList []Server, inst *Instance, restartFds map[string]res
if err != nil { if err != nil {
return err return err
} }
file.Close() err = file.Close()
if err != nil {
return err
}
} }
} }
} }

10
upgrade.go
View file

@ -136,7 +136,10 @@ func Upgrade() error {
// immediately close our dup'ed fds and the write end of our signal pipe // immediately close our dup'ed fds and the write end of our signal pipe
for _, f := range extraFiles { for _, f := range extraFiles {
f.Close() err = f.Close()
if err != nil {
return err
}
} }
// feed Caddyfile to the child // feed Caddyfile to the child
@ -144,7 +147,10 @@ func Upgrade() error {
if err != nil { if err != nil {
return err return err
} }
wpipe.Close() err = wpipe.Close()
if err != nil {
return err
}
// determine whether child startup succeeded // determine whether child startup succeeded
answer, readErr := ioutil.ReadAll(sigrpipe) answer, readErr := ioutil.ReadAll(sigrpipe)