blob: e4a11cfdd41ea9b21653acd1a8a49ce048fcdb20 [file] [log] [blame]
/*
* Portions copyright 2019-present Open Networking Foundation
* Original copyright 2019-present Ciena Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package commands
import (
"context"
"github.com/fullstorydev/grpcurl"
flags "github.com/jessevdk/go-flags"
"github.com/jhump/protoreflect/dynamic"
)
const (
DEFAULT_SERVICE_FORMAT = "table{{ .Name }}\t{{.Version}}\t{{.State}}"
)
type ServiceList struct {
ListOutputOptions
}
type ServiceListOutput struct {
Name string `json:"name"`
Version string `json:"version"`
State string `json:"state"`
}
type ServiceOpts struct {
List ServiceList `command:"list"`
}
var serviceOpts = ServiceOpts{}
func RegisterServiceCommands(parser *flags.Parser) {
parser.AddCommand("service", "service commands", "Commands to query and manipulate dynamically loaded XOS Services", &serviceOpts)
}
func (options *ServiceList) Execute(args []string) error {
conn, descriptor, err := InitReflectionClient()
if err != nil {
return err
}
defer conn.Close()
ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Grpc.Timeout)
defer cancel()
headers := GenerateHeaders()
h := &RpcEventHandler{}
err = grpcurl.InvokeRPC(ctx, descriptor, conn, "xos.dynamicload.GetLoadStatus", headers, h, h.GetParams)
if err != nil {
return err
}
if h.Status != nil && h.Status.Err() != nil {
return h.Status.Err()
}
d, err := dynamic.AsDynamicMessage(h.Response)
if err != nil {
return err
}
items, err := d.TryGetFieldByName("services")
if err != nil {
return err
}
data := make([]ServiceListOutput, len(items.([]interface{})))
for i, item := range items.([]interface{}) {
val := item.(*dynamic.Message)
data[i].Name = val.GetFieldByName("name").(string)
data[i].Version = val.GetFieldByName("version").(string)
data[i].State = val.GetFieldByName("state").(string)
}
FormatAndGenerateListOutput(&options.ListOutputOptions, DEFAULT_SERVICE_FORMAT, "{{.Name}}", data)
return nil
}