1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
package main
import (
"fmt"
"os"
"strconv"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/libpod"
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
)
var (
startFlags = []cli.Flag{
cli.BoolFlag{
Name: "attach, a",
Usage: "Attach container's STDOUT and STDERR",
},
cli.StringFlag{
Name: "detach-keys",
Usage: "Override the key sequence for detaching a container. Format is a single character [a-Z] or ctrl-<value> where <value> is one of: a-z, @, ^, [, , or _.",
},
cli.BoolFlag{
Name: "interactive, i",
Usage: "Keep STDIN open even if not attached",
},
LatestFlag,
}
startDescription = `
podman start
Starts one or more containers. The container name or ID can be used.
`
startCommand = cli.Command{
Name: "start",
Usage: "Start one or more containers",
Description: startDescription,
Flags: startFlags,
Action: startCmd,
ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]",
UseShortOptionHandling: true,
}
)
func startCmd(c *cli.Context) error {
args := c.Args()
if len(args) < 1 && !c.Bool("latest") {
return errors.Errorf("you must provide at least one container name or id")
}
attach := c.Bool("attach")
if len(args) > 1 && attach {
return errors.Errorf("you cannot start and attach multiple containers at once")
}
if err := validateFlags(c, startFlags); err != nil {
return err
}
runtime, err := getRuntime(c)
if err != nil {
return errors.Wrapf(err, "error creating libpod runtime")
}
defer runtime.Shutdown(false)
if c.Bool("latest") {
lastCtr, err := runtime.GetLatestContainer()
if err != nil {
return errors.Wrapf(err, "unable to get latest container")
}
args = append(args, lastCtr.ID())
}
var lastError error
for _, container := range args {
ctr, err := runtime.LookupContainer(container)
if err != nil {
if lastError != nil {
fmt.Fprintln(os.Stderr, lastError)
}
lastError = errors.Wrapf(err, "unable to find container %s", container)
continue
}
if err := ctr.Init(); err != nil && errors.Cause(err) != libpod.ErrCtrExists {
return err
}
// We can only be interactive if both the config and the command-line say so
if c.Bool("interactive") && !ctr.Config().Stdin {
return errors.Errorf("the container was not created with the interactive option")
}
noStdIn := c.Bool("interactive")
tty, err := strconv.ParseBool(ctr.Spec().Annotations["io.kubernetes.cri-o.TTY"])
if err != nil {
return errors.Wrapf(err, "unable to parse annotations in %s", ctr.ID())
}
// Handle start --attach
// We only get a terminal session if both a tty was specified in the spec and
// -a on the command-line was given.
if attach && tty {
attachChan, err := ctr.StartAndAttach(noStdIn, c.String("detach-keys"))
if err != nil {
return errors.Wrapf(err, "unable to start container %s", ctr.ID())
}
// Wait for attach to complete
err = <-attachChan
if err != nil {
return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
}
if ecode, err := ctr.ExitCode(); err != nil {
logrus.Errorf("unable to get exit code of container %s: %q", ctr.ID(), err)
} else {
exitCode = int(ecode)
}
return ctr.Cleanup()
}
// Handle non-attach start
if err := ctr.Start(); err != nil {
if lastError != nil {
fmt.Fprintln(os.Stderr, lastError)
}
lastError = errors.Wrapf(err, "unable to start container %q", container)
continue
}
fmt.Println(ctr.ID())
}
return lastError
}
|
