enhanced kompose (#3)

* enhanced kompose

- add pre-filter
- support cpu shares
- fix kompose suport volume inaccurate
- change volume name to lower and "-" replace "_"

* enhanced kompose

- add "net" 、 "aliyun.log_ttl_*"  pre-filter
- convert "volumes.name" to lowercase

* enhanced kompose

- add "net" 、 "aliyun.log_ttl_*"  pre-filter
- convert "volumes.name" to lowercase

pkg/loader/compose/aliyun.go

@@ -584,7 +584,7 @@ func parseLogConfig(key, path string) (*LogConfig, error) {
 		typ           string
 	)
 	path = strings.TrimSpace(path)
-	name := key[len(LABEL_SLS_PREFIX):]
+	name := strings.ToLower(key[len(LABEL_SLS_PREFIX):])
 	if len(name) == 0 {
 		return nil, fmt.Errorf("invalid SLS label key: %s", key)
 	}

pkg/loader/compose/v1v2.go

@@ -49,13 +49,15 @@ var (
 		"depends_on":          true,
 		"hostname":            true,
 		"oom-kill-disable":    true,
+		"net":   	 		   true,
 	}
 
 	delLablesTag = map[string]bool{
 		"aliyun.log.timestamp":          true,
 		"aliyun.depends":                true,
 		"aliyun.routing.session_sticky": true,
 		"aliyun.lb.port_":               true,
+		"aliyun.log_ttl_":               true,
 	}
 
 	v1v2ParseOptions = config.ParseOptions{
@@ -75,15 +77,14 @@ var (
 					if key == "labels" {
 						v := value.(map[interface{}]interface{})
 						for k := range v {
-							k2 := k.(string)
-							if del, ok := delLablesTag[k2]; ok && del {
+							if del, ok := delLablesTag[k.(string)]; ok && del {
 								delete(v, k)
-								log.Warningf("Unsupported %s label key - ignoring", k2)
+								log.Warningf("Unsupported %s label key - ignoring", k.(string))
 							}
 
-							if strings.HasPrefix(k2, "aliyun.lb.port_") {
+							if strings.HasPrefix(k.(string), "aliyun.lb.port_") || strings.HasPrefix(k.(string), "aliyun.log_ttl_") {
 								delete(v, k)
-								log.Warningf("Unsupported %s label key - ignoring", k2)
+								log.Warningf("Unsupported %s label key - ignoring", k.(string))
 							}
 						}
 					}

pkg/transformer/kubernetes/aliyun.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"github.com/kubernetes/kompose/pkg/kobject"
 	"k8s.io/kubernetes/pkg/api"
+	"strings"
 )
 
 // ConfigLogVolumes configure the volumes for log.
@@ -14,7 +15,7 @@ func (k *Kubernetes) ConfigLogVolumes(name string, service kobject.ServiceConfig
 
 	for logStore, volume := range service.LogVolumes {
 		//naming volumes if multiple tmpfs are provided
-		volumeName := fmt.Sprintf("volumn-sls-%s", logStore)
+		volumeName := strings.ToLower(fmt.Sprintf("volumn-sls-%s", logStore))
 		// create a new volume mount object and append to list
 		volMount := api.VolumeMount{
 			Name:      volumeName,