aboutsummaryrefslogtreecommitdiff
path: root/cmd/podman/build.go
blob: 09023236475cfc2df000e4b12d61e568c3cfb114 (plain)
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
package main

import (
	"os"
	"os/exec"
	"strconv"

	"github.com/pkg/errors"
	"github.com/urfave/cli"
)

var (
	buildFlags = []cli.Flag{
		cli.StringFlag{
			Name:  "authfile",
			Usage: "path of the authentication file. Default is ${XDG_RUNTIME_DIR}/containers/auth.json",
		},
		cli.StringSliceFlag{
			Name:  "build-arg",
			Usage: "`argument=value` to supply to the builder",
		},
		cli.StringFlag{
			Name:  "cert-dir",
			Value: "",
			Usage: "use certificates at the specified path to access the registry",
		},
		cli.StringFlag{
			Name:  "creds",
			Value: "",
			Usage: "use `[username[:password]]` for accessing the registry",
		},
		cli.StringSliceFlag{
			Name:  "file, f",
			Usage: "`pathname or URL` of a Dockerfile",
		},
		cli.StringFlag{
			Name:  "format",
			Usage: "`format` of the built image's manifest and metadata",
		},
		cli.BoolFlag{
			Name:  "pull-always",
			Usage: "pull the image, even if a version is present",
		},
		cli.BoolFlag{
			Name:  "quiet, q",
			Usage: "refrain from announcing build instructions and image read/write progress",
		},
		cli.StringFlag{
			Name:  "runtime",
			Usage: "`path` to an alternate runtime",
		},
		cli.StringSliceFlag{
			Name:  "runtime-flag",
			Usage: "add global flags for the container runtime",
		},
		cli.StringFlag{
			Name:  "signature-policy",
			Usage: "`pathname` of signature policy file (not usually used)",
		},
		cli.StringSliceFlag{
			Name:  "tag, t",
			Usage: "`tag` to apply to the built image",
		},
		cli.BoolFlag{
			Name:  "tls-verify",
			Usage: "require HTTPS and verify certificates when accessing the registry",
		},
	}
	buildDescription = "podman build launches the Buildah command to build an OCI Image. Buildah must be installed for this command to work."
	buildCommand     = cli.Command{
		Name:        "build",
		Aliases:     []string{"build"},
		Usage:       "Build an image using instructions in a Dockerfile",
		Description: buildDescription,
		Flags:       buildFlags,
		Action:      buildCmd,
		ArgsUsage:   "CONTEXT-DIRECTORY | URL",
	}
)

func buildCmd(c *cli.Context) error {

	budCmdArgs := []string{}

	logLevel := c.GlobalString("log-level")
	if logLevel == "debug" {
		budCmdArgs = append(budCmdArgs, "--debug")
	}
	if c.GlobalIsSet("root") {
		budCmdArgs = append(budCmdArgs, "--root", c.GlobalString("root"))
	}
	if c.GlobalIsSet("runroot") {
		budCmdArgs = append(budCmdArgs, "--runroot", c.GlobalString("runroot"))
	}
	if c.GlobalIsSet("storage-driver") {
		budCmdArgs = append(budCmdArgs, "--storage-driver", c.GlobalString("storage-driver"))
	}
	for _, storageOpt := range c.GlobalStringSlice("storage-opt") {
		budCmdArgs = append(budCmdArgs, "--storage-opt", storageOpt)
	}

	budCmdArgs = append(budCmdArgs, "bud")

	if c.IsSet("authfile") {
		budCmdArgs = append(budCmdArgs, "--authfile", c.String("authfile"))
	}
	for _, buildArg := range c.StringSlice("build-arg") {
		budCmdArgs = append(budCmdArgs, "--build-arg", buildArg)
	}
	if c.IsSet("cert-dir") {
		budCmdArgs = append(budCmdArgs, "--cert-dir", c.String("cert-dir"))
	}
	if c.IsSet("creds") {
		budCmdArgs = append(budCmdArgs, "--creds", c.String("creds"))
	}
	for _, fileName := range c.StringSlice("file") {
		budCmdArgs = append(budCmdArgs, "--file", fileName)
	}
	if c.IsSet("format") {
		budCmdArgs = append(budCmdArgs, "--format", c.String("format"))
	}
	if c.IsSet("pull-always") {
		budCmdArgs = append(budCmdArgs, "--pull-always")
	}
	if c.IsSet("quiet") {
		quietParam := "--quiet=" + strconv.FormatBool(c.Bool("quiet"))
		budCmdArgs = append(budCmdArgs, quietParam)
	}
	if c.IsSet("runtime") {
		budCmdArgs = append(budCmdArgs, "--runtime", c.String("runtime"))
	}
	for _, runtimeArg := range c.StringSlice("runtime-flag") {
		budCmdArgs = append(budCmdArgs, "--runtime-flag", runtimeArg)
	}
	if c.IsSet("signature-policy") {
		budCmdArgs = append(budCmdArgs, "--signature-policy", c.String("signature-policy"))
	}
	for _, tagArg := range c.StringSlice("tag") {
		budCmdArgs = append(budCmdArgs, "--tag", tagArg)
	}
	if c.IsSet("tls-verify") {
		tlsParam := "--tls-verify=" + strconv.FormatBool(c.Bool("tls-verify"))
		budCmdArgs = append(budCmdArgs, tlsParam)
	}

	if len(c.Args()) > 0 {
		budCmdArgs = append(budCmdArgs, c.Args()...)
	}

	buildah := "buildah"

	if _, err := exec.LookPath(buildah); err != nil {
		return errors.Wrapf(err, "buildah not found in PATH")
	}
	if _, err := exec.Command(buildah).Output(); err != nil {
		return errors.Wrapf(err, "buildah is not operational on this server")
	}

	cmd := exec.Command(buildah, budCmdArgs...)

	cmd.Stdin = os.Stdin
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	if err := cmd.Run(); err != nil {
		return errors.Wrapf(err, "error running the buildah build-using-dockerfile (bud) command")
	}

	return nil
}