Files
docker-cli/components/cli/command/node/ps.go
Vincent Demeester 99b5324db7 Add some unit tests to the node and swarm cli code
Start work on adding unit tests to our cli code in order to have to
write less costly integration test.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: ee8f9e084a
Component: cli
2017-01-09 18:30:15 +01:00

94 lines
2.1 KiB
Go

package node
import (
"fmt"
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/cli"
"github.com/docker/docker/cli/command"
"github.com/docker/docker/cli/command/idresolver"
"github.com/docker/docker/cli/command/task"
"github.com/docker/docker/opts"
"github.com/spf13/cobra"
"golang.org/x/net/context"
)
type psOptions struct {
nodeIDs []string
noResolve bool
noTrunc bool
filter opts.FilterOpt
}
func newPsCommand(dockerCli command.Cli) *cobra.Command {
opts := psOptions{filter: opts.NewFilterOpt()}
cmd := &cobra.Command{
Use: "ps [OPTIONS] [NODE...]",
Short: "List tasks running on one or more nodes, defaults to current node",
Args: cli.RequiresMinArgs(0),
RunE: func(cmd *cobra.Command, args []string) error {
opts.nodeIDs = []string{"self"}
if len(args) != 0 {
opts.nodeIDs = args
}
return runPs(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Do not truncate output")
flags.BoolVar(&opts.noResolve, "no-resolve", false, "Do not map IDs to Names")
flags.VarP(&opts.filter, "filter", "f", "Filter output based on conditions provided")
return cmd
}
func runPs(dockerCli command.Cli, opts psOptions) error {
client := dockerCli.Client()
ctx := context.Background()
var (
errs []string
tasks []swarm.Task
)
for _, nodeID := range opts.nodeIDs {
nodeRef, err := Reference(ctx, client, nodeID)
if err != nil {
errs = append(errs, err.Error())
continue
}
node, _, err := client.NodeInspectWithRaw(ctx, nodeRef)
if err != nil {
errs = append(errs, err.Error())
continue
}
filter := opts.filter.Value()
filter.Add("node", node.ID)
nodeTasks, err := client.TaskList(ctx, types.TaskListOptions{Filters: filter})
if err != nil {
errs = append(errs, err.Error())
continue
}
tasks = append(tasks, nodeTasks...)
}
if err := task.Print(dockerCli, ctx, tasks, idresolver.New(client, opts.noResolve), opts.noTrunc); err != nil {
errs = append(errs, err.Error())
}
if len(errs) > 0 {
return fmt.Errorf("%s", strings.Join(errs, "\n"))
}
return nil
}