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Give an error on non-existing devices #19

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Give an error on non-existing devices #19

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3af54c4
give error when no matching devices are found
mgeri Feb 2, 2023
1874028
give better error logging on fatal error
mgeri Feb 2, 2023
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3 changes: 3 additions & 0 deletions hostdevice.go
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,9 @@ func (d HostDevice) Expand() ([]*ExpandedHostDevice, error) {
if err != nil {
return nil, err
}
if len(matchedHostPath) == 0 {
return nil, fmt.Errorf("no file matched: %s", d.HostPath)
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This is breaking change. Could you introduce feature switch for this??

}

expanded := []*ExpandedHostDevice{}
baseHostPath := strings.Split(d.HostPath, "*")[0]
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6 changes: 3 additions & 3 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ func main() {
log.Println("Starting FS watcher.")
watcher, err := newFSWatcher(pluginapi.DevicePluginPath)
if err != nil {
log.Println("Failed to created FS watcher.")
log.Printf("Failed to created FS watcher: %v", err)
os.Exit(1)
}
defer watcher.Close()
Expand All @@ -34,7 +34,7 @@ func main() {
log.Println("Reading /k8s-host-device-plugin/config.json")
raw, err := ioutil.ReadFile(ConfigFilePath)
if err != nil {
fmt.Println(err.Error())
log.Printf("Fatal error reading config file: %v", err)
os.Exit(1)
}

Expand All @@ -56,7 +56,7 @@ L:

devicePlugin, err = NewHostDevicePlugin(config)
if err != nil {
fmt.Println(err.Error())
log.Printf("Fatal error configuring host device: %v", err)
os.Exit(1)
}
expandedHostDevicesStr := []string{}
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