/
vpp.go
107 lines (91 loc) · 2.55 KB
/
vpp.go
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// Copyright (c) 2019 Cisco and/or its affiliates.
//
// 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"
"fmt"
"strings"
"github.com/spf13/cobra"
agentcli "github.com/ligato/vpp-agent/cmd/agentctl/cli"
)
func NewVppCommand(cli agentcli.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "vpp",
Short: "Manage VPP instance",
}
cmd.AddCommand(
newVppCliCommand(cli),
newVppInfoCommand(cli),
)
return cmd
}
func newVppCliCommand(cli agentcli.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "cli",
Aliases: []string{"c"},
Short: "Execute VPP CLI command",
Example: `
To run a VPP CLI command:
$ agentctl vpp cli show version
Do same as above, but specify the HTTP address of the agent:
$ agentctl --httpaddr 172.17.0.3:9191 vpp cli show version
`,
Args: cobra.MinimumNArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
vppcmd := strings.Join(args, " ")
return runVppCli(cli, vppcmd)
},
SilenceUsage: true,
}
return cmd
}
func runVppCli(cli agentcli.Cli, vppcmd string) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
fmt.Fprintf(cli.Out(), "vpp# %s\n", vppcmd)
reply, err := cli.Client().VppRunCli(ctx, vppcmd)
if err != nil {
return err
}
fmt.Fprintf(cli.Out(), "%s", reply)
return nil
}
func newVppInfoCommand(cli agentcli.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "info",
Aliases: []string{"i"},
Short: "Retrieve info about VPP",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runVppInfo(cli)
},
SilenceUsage: true,
}
return cmd
}
func runVppInfo(cli agentcli.Cli) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
version, err := cli.Client().VppRunCli(ctx, "show version verbose")
if err != nil {
return err
}
fmt.Fprintf(cli.Out(), "VERSION:\n%s\n", version)
config, err := cli.Client().VppRunCli(ctx, "show version cmdline")
if err != nil {
return err
}
fmt.Fprintf(cli.Out(), "CONFIG:\n%s\n", config)
return nil
}