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lib_instance_action.go
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/
lib_instance_action.go
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package daemonapi
import (
"fmt"
"os"
"time"
"github.com/google/uuid"
"github.com/labstack/echo/v4"
"github.com/opensvc/om3/core/env"
"github.com/opensvc/om3/core/naming"
"github.com/opensvc/om3/daemon/msgbus"
"github.com/opensvc/om3/util/command"
"github.com/opensvc/om3/util/hostname"
"github.com/opensvc/om3/util/plog"
"github.com/opensvc/om3/util/pubsub"
)
func (a *DaemonAPI) apiExec(ctx echo.Context, p naming.Path, requesterSid uuid.UUID, args []string, log *plog.Logger) (uuid.UUID, error) {
execname, err := os.Executable()
if err != nil {
return uuid.Nil, fmt.Errorf("can't detect om execname: %w", err)
}
sid := uuid.New()
cmd := command.New(
command.WithName(execname),
command.WithArgs(args),
command.WithLogger(log),
command.WithVarEnv(
env.OriginSetenvArg(env.ActionOriginDaemonAPI),
"OSVC_SESSION_ID="+sid.String(),
"OSVC_REQUEST_ID="+fmt.Sprint(ctx.Get("uuid")),
"OSVC_REQUESTER_SESSION_ID="+fmt.Sprint(requesterSid),
),
)
labels := []pubsub.Label{
labelAPI,
{"sid", sid.String()},
{"requester_sid", requesterSid.String()},
}
if !p.IsZero() {
labels = append(labels, pubsub.Label{"path", p.String()})
}
log.Infof("-> exec %s", cmd)
msg := msgbus.Exec{Command: cmd.String(), Node: hostname.Hostname(), Origin: "api"}
a.EventBus.Pub(&msg, labels...)
startTime := time.Now()
if err = cmd.Start(); err != nil {
log.Errorf("exec StartProcess: %s", err)
return sid, fmt.Errorf("instance action failed: %w", err)
}
go func() {
err := cmd.Wait()
log.Infof("<- exec %s", cmd)
duration := time.Now().Sub(startTime)
if err != nil {
msg := msgbus.ExecFailed{Command: cmd.String(), Duration: duration, ErrS: err.Error(), Node: hostname.Hostname(), Origin: "api"}
a.EventBus.Pub(&msg, labels...)
} else {
msg := msgbus.ExecSuccess{Command: cmd.String(), Duration: duration, Node: hostname.Hostname(), Origin: "api"}
a.EventBus.Pub(&msg, labels...)
}
}()
return sid, nil
}