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https://gitea.com/Lydanne/buildx.git
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437fe55104
Print more understandable messages on error:
- When ps fails because the monitor doesn't attach to any session, print "no
attaching session" instead of "unknown ref".
- Avoid disconnect silently fails when the monitor doesn't attach to any
session. Print "no attaching session" error instead.
- Fix error message of "attach"'s arguments. ("server name must be passed" ->
"ID of session or process must be passed")
Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com>
43 lines
1020 B
Go
43 lines
1020 B
Go
package commands
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import (
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"context"
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"fmt"
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"io"
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"text/tabwriter"
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"github.com/docker/buildx/monitor/types"
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"github.com/pkg/errors"
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)
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type PsCmd struct {
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m types.Monitor
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stdout io.WriteCloser
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}
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func NewPsCmd(m types.Monitor, stdout io.WriteCloser) types.Command {
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return &PsCmd{m, stdout}
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}
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func (cm *PsCmd) Info() types.CommandInfo {
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return types.CommandInfo{HelpMessage: `list processes invoked by "exec". Use "attach" to attach IO to that process`}
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}
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func (cm *PsCmd) Exec(ctx context.Context, args []string) error {
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ref := cm.m.AttachedSessionID()
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if ref == "" {
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return errors.Errorf("no attaching session")
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}
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plist, err := cm.m.ListProcesses(ctx, ref)
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if err != nil {
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return err
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}
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tw := tabwriter.NewWriter(cm.stdout, 1, 8, 1, '\t', 0)
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fmt.Fprintln(tw, "PID\tCURRENT_SESSION\tCOMMAND")
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for _, p := range plist {
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fmt.Fprintf(tw, "%-20s\t%v\t%v\n", p.ProcessID, p.ProcessID == cm.m.AttachedPID(), append(p.InvokeConfig.Entrypoint, p.InvokeConfig.Cmd...))
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}
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tw.Flush()
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return nil
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}
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