/
node_linux.go
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/
node_linux.go
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// Copyright (c) 2016 Tigera, Inc. All rights reserved.
// 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 (
"fmt"
"strings"
"github.com/docopt/docopt-go"
"github.com/projectcalico/calicoctl/calicoctl/commands/constants"
"github.com/projectcalico/calicoctl/calicoctl/commands/node"
)
// Node function is a switch to node related sub-commands
func Node(args []string) error {
var err error
doc := constants.DatastoreIntro + `Usage:
calicoctl node <command> [<args>...]
run Run the Calico node container image.
status View the current status of a Calico node.
diags Gather a diagnostics bundle for a Calico node.
checksystem Verify the compute host is able to run a Calico node instance.
Options:
-h --help Show this screen.
Description:
Node specific commands for calicoctl. These commands must be run directly on
the compute host running the Calico node instance.
See 'calicoctl node <command> --help' to read about a specific subcommand.
`
arguments, err := docopt.Parse(doc, args, true, "", true, false)
if err != nil {
return fmt.Errorf("Invalid option: 'calicoctl %s'. Use flag '--help' to read about a specific subcommand.", strings.Join(args, " "))
}
if arguments["<command>"] == nil {
return nil
}
command := arguments["<command>"].(string)
args = append([]string{"node", command}, arguments["<args>"].([]string)...)
switch command {
case "status":
return node.Status(args)
case "diags":
return node.Diags(args)
case "checksystem":
return node.Checksystem(args)
case "run":
return node.Run(args)
default:
fmt.Println(doc)
}
return nil
}