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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
package main
import (
"fmt"
"os"
"os/exec"
"runtime/pprof"
"syscall"
"github.com/containers/libpod/pkg/hooks"
_ "github.com/containers/libpod/pkg/hooks/0.1.0"
"github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/version"
"github.com/containers/storage/pkg/reexec"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
lsyslog "github.com/sirupsen/logrus/hooks/syslog"
"github.com/urfave/cli"
"log/syslog"
)
// This is populated by the Makefile from the VERSION file
// in the repository
var (
exitCode = 125
)
var cmdsNotRequiringRootless = map[string]bool{
"help": true,
"version": true,
"exec": true,
"kill": true,
"stop": true,
}
func main() {
debug := false
cpuProfile := false
if reexec.Init() {
return
}
app := cli.NewApp()
app.Name = "podman"
app.Usage = "manage pods and images"
app.Version = version.Version
app.Commands = []cli.Command{
attachCommand,
commitCommand,
containerCommand,
buildCommand,
createCommand,
diffCommand,
execCommand,
exportCommand,
historyCommand,
imageCommand,
imagesCommand,
importCommand,
infoCommand,
inspectCommand,
killCommand,
loadCommand,
loginCommand,
logoutCommand,
logsCommand,
mountCommand,
pauseCommand,
psCommand,
podCommand,
portCommand,
pullCommand,
pushCommand,
restartCommand,
rmCommand,
rmiCommand,
runCommand,
saveCommand,
searchCommand,
startCommand,
statsCommand,
stopCommand,
tagCommand,
topCommand,
umountCommand,
unpauseCommand,
versionCommand,
waitCommand,
}
if varlinkCommand != nil {
app.Commands = append(app.Commands, *varlinkCommand)
}
app.Before = func(c *cli.Context) error {
args := c.Args()
if args.Present() {
if _, notRequireRootless := cmdsNotRequiringRootless[args.First()]; !notRequireRootless {
became, ret, err := rootless.BecomeRootInUserNS()
if err != nil {
logrus.Errorf(err.Error())
os.Exit(1)
}
if became {
os.Exit(ret)
}
}
}
if c.GlobalBool("syslog") {
hook, err := lsyslog.NewSyslogHook("", "", syslog.LOG_INFO, "")
if err == nil {
logrus.AddHook(hook)
}
}
logLevel := c.GlobalString("log-level")
if logLevel != "" {
level, err := logrus.ParseLevel(logLevel)
if err != nil {
return err
}
logrus.SetLevel(level)
}
if logLevel == "debug" {
debug = true
}
if c.GlobalIsSet("cpu-profile") {
f, err := os.Create(c.GlobalString("cpu-profile"))
if err != nil {
return errors.Wrapf(err, "unable to create cpu profiling file %s",
c.GlobalString("cpu-profile"))
}
cpuProfile = true
pprof.StartCPUProfile(f)
}
return nil
}
app.After = func(*cli.Context) error {
// called by Run() when the command handler succeeds
if cpuProfile {
pprof.StopCPUProfile()
}
return nil
}
app.Flags = []cli.Flag{
cli.StringFlag{
Name: "cgroup-manager",
Usage: "cgroup manager to use (cgroupfs or systemd, default systemd)",
},
cli.StringFlag{
Name: "cni-config-dir",
Usage: "path of the configuration directory for CNI networks",
},
cli.StringFlag{
Name: "config, c",
Usage: "path of a config file detailing container server configuration options",
},
cli.StringFlag{
Name: "conmon",
Usage: "path of the conmon binary",
},
cli.StringFlag{
Name: "cpu-profile",
Usage: "path for the cpu profiling results",
},
cli.StringFlag{
Name: "default-mounts-file",
Usage: "path to default mounts file",
Hidden: true,
},
cli.StringFlag{
Name: "hooks-dir-path",
Usage: "set the OCI hooks directory path",
Value: hooks.DefaultDir,
Hidden: true,
},
cli.StringFlag{
Name: "log-level",
Usage: "log messages above specified level: debug, info, warn, error (default), fatal or panic",
Value: "error",
},
cli.StringFlag{
Name: "namespace",
Usage: "set the libpod namespace, used to create separate views of the containers and pods on the system",
Value: "",
},
cli.StringFlag{
Name: "root",
Usage: "path to the root directory in which data, including images, is stored",
},
cli.StringFlag{
Name: "tmpdir",
Usage: "path to the tmp directory",
},
cli.StringFlag{
Name: "runroot",
Usage: "path to the 'run directory' where all state information is stored",
},
cli.StringFlag{
Name: "runtime",
Usage: "path to the OCI-compatible binary used to run containers, default is /usr/bin/runc",
},
cli.StringFlag{
Name: "storage-driver, s",
Usage: "select which storage driver is used to manage storage of images and containers (default is overlay)",
},
cli.StringSliceFlag{
Name: "storage-opt",
Usage: "used to pass an option to the storage driver",
},
cli.BoolFlag{
Name: "syslog",
Usage: "output logging information to syslog as well as the console",
},
}
if _, err := os.Stat("/etc/containers/registries.conf"); err != nil {
if os.IsNotExist(err) {
logrus.Warn("unable to find /etc/containers/registries.conf. some podman (image shortnames) commands may be limited")
}
}
if err := app.Run(os.Args); err != nil {
if debug {
logrus.Errorf(err.Error())
} else {
// Retrieve the exit error from the exec call, if it exists
if ee, ok := err.(*exec.ExitError); ok {
if status, ok := ee.Sys().(syscall.WaitStatus); ok {
exitCode = status.ExitStatus()
}
}
fmt.Fprintln(os.Stderr, err.Error())
}
} else {
// The exitCode modified from 125, indicates an application
// running inside of a container failed, as opposed to the
// podman command failed. Must exit with that exit code
// otherwise command exited correctly.
if exitCode == 125 {
exitCode = 0
}
}
os.Exit(exitCode)
}
|
