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
|
package pods
import (
"fmt"
"os"
"github.com/containers/common/pkg/auth"
"github.com/containers/common/pkg/completion"
"github.com/containers/image/v5/types"
"github.com/containers/podman/v2/cmd/podman/common"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/utils"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/util"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// playKubeOptionsWrapper allows for separating CLI-only fields from API-only
// fields.
type playKubeOptionsWrapper struct {
entities.PlayKubeOptions
TLSVerifyCLI bool
CredentialsCLI string
StartCLI bool
}
var (
// https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
defaultSeccompRoot = "/var/lib/kubelet/seccomp"
kubeOptions = playKubeOptionsWrapper{}
kubeDescription = `Command reads in a structured file of Kubernetes YAML.
It creates the pod and containers described in the YAML. The containers within the pod are then started and the ID of the new Pod is output.`
kubeCmd = &cobra.Command{
Use: "kube [options] KUBEFILE",
Short: "Play a pod based on Kubernetes YAML.",
Long: kubeDescription,
RunE: kube,
Args: cobra.ExactArgs(1),
ValidArgsFunction: common.AutocompleteDefaultOneArg,
Example: `podman play kube nginx.yml
podman play kube --creds user:password --seccomp-profile-root /custom/path apache.yml`,
}
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: kubeCmd,
Parent: playCmd,
})
flags := kubeCmd.Flags()
flags.SetNormalizeFunc(utils.AliasFlags)
credsFlagName := "creds"
flags.StringVar(&kubeOptions.CredentialsCLI, credsFlagName, "", "`Credentials` (USERNAME:PASSWORD) to use for authenticating to a registry")
_ = kubeCmd.RegisterFlagCompletionFunc(credsFlagName, completion.AutocompleteNone)
networkFlagName := "network"
flags.StringVar(&kubeOptions.Network, networkFlagName, "", "Connect pod to CNI network(s)")
_ = kubeCmd.RegisterFlagCompletionFunc(networkFlagName, common.AutocompleteNetworkFlag)
logDriverFlagName := "log-driver"
flags.StringVar(&kubeOptions.LogDriver, logDriverFlagName, "", "Logging driver for the container")
_ = kubeCmd.RegisterFlagCompletionFunc(logDriverFlagName, common.AutocompleteLogDriver)
flags.BoolVarP(&kubeOptions.Quiet, "quiet", "q", false, "Suppress output information when pulling images")
flags.BoolVar(&kubeOptions.TLSVerifyCLI, "tls-verify", true, "Require HTTPS and verify certificates when contacting registries")
flags.BoolVar(&kubeOptions.StartCLI, "start", true, "Start the pod after creating it")
authfileFlagName := "authfile"
flags.StringVar(&kubeOptions.Authfile, authfileFlagName, auth.GetDefaultAuthFile(), "Path of the authentication file. Use REGISTRY_AUTH_FILE environment variable to override")
_ = kubeCmd.RegisterFlagCompletionFunc(authfileFlagName, completion.AutocompleteDefault)
if !registry.IsRemote() {
certDirFlagName := "cert-dir"
flags.StringVar(&kubeOptions.CertDir, certDirFlagName, "", "`Pathname` of a directory containing TLS certificates and keys")
_ = kubeCmd.RegisterFlagCompletionFunc(certDirFlagName, completion.AutocompleteDefault)
flags.StringVar(&kubeOptions.SignaturePolicy, "signature-policy", "", "`Pathname` of signature policy file (not usually used)")
seccompProfileRootFlagName := "seccomp-profile-root"
flags.StringVar(&kubeOptions.SeccompProfileRoot, seccompProfileRootFlagName, defaultSeccompRoot, "Directory path for seccomp profiles")
_ = kubeCmd.RegisterFlagCompletionFunc(seccompProfileRootFlagName, completion.AutocompleteDefault)
configmapFlagName := "configmap"
flags.StringSliceVar(&kubeOptions.ConfigMaps, configmapFlagName, []string{}, "`Pathname` of a YAML file containing a kubernetes configmap")
_ = kubeCmd.RegisterFlagCompletionFunc(configmapFlagName, completion.AutocompleteDefault)
}
_ = flags.MarkHidden("signature-policy")
}
func kube(cmd *cobra.Command, args []string) error {
// TLS verification in c/image is controlled via a `types.OptionalBool`
// which allows for distinguishing among set-true, set-false, unspecified
// which is important to implement a sane way of dealing with defaults of
// boolean CLI flags.
if cmd.Flags().Changed("tls-verify") {
kubeOptions.SkipTLSVerify = types.NewOptionalBool(!kubeOptions.TLSVerifyCLI)
}
if cmd.Flags().Changed("start") {
kubeOptions.Start = types.NewOptionalBool(kubeOptions.StartCLI)
}
if kubeOptions.Authfile != "" {
if _, err := os.Stat(kubeOptions.Authfile); err != nil {
return err
}
}
if kubeOptions.CredentialsCLI != "" {
creds, err := util.ParseRegistryCreds(kubeOptions.CredentialsCLI)
if err != nil {
return err
}
kubeOptions.Username = creds.Username
kubeOptions.Password = creds.Password
}
report, err := registry.ContainerEngine().PlayKube(registry.GetContext(), args[0], kubeOptions.PlayKubeOptions)
if err != nil {
return err
}
for _, pod := range report.Pods {
for _, l := range pod.Logs {
fmt.Fprint(os.Stderr, l)
}
}
ctrsFailed := 0
for _, pod := range report.Pods {
fmt.Println("Pod:")
fmt.Println(pod.ID)
switch len(pod.Containers) {
case 0:
continue
case 1:
fmt.Println("Container:")
default:
fmt.Println("Containers:")
}
for _, ctr := range pod.Containers {
fmt.Println(ctr)
}
ctrsFailed += len(pod.ContainerErrors)
// If We have errors, add a newline
if len(pod.ContainerErrors) > 0 {
fmt.Println()
}
for _, err := range pod.ContainerErrors {
fmt.Fprintln(os.Stderr, err)
}
// Empty line for space for next block
fmt.Println()
}
if ctrsFailed > 0 {
return errors.Errorf("failed to start %d containers", ctrsFailed)
}
return nil
}
|
