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authorBrent Baude <bbaude@redhat.com>2020-04-16 12:25:26 -0500
committerBrent Baude <bbaude@redhat.com>2020-04-16 15:53:58 -0500
commit241326a9a8c20ad7f2bcf651416b836e7778e090 (patch)
tree4001e8e47a022bb1b9bfbf2332c42e1aeb802f9e /cmd/podman/build.go
parent88c6fd06cd54fb9a8826306dfdf1a77e400de5de (diff)
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Podman V2 birth
remote podman v1 and replace with podman v2. Signed-off-by: Brent Baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/podman/build.go')
-rw-r--r--cmd/podman/build.go432
1 files changed, 0 insertions, 432 deletions
diff --git a/cmd/podman/build.go b/cmd/podman/build.go
deleted file mode 100644
index 04bc56ab0..000000000
--- a/cmd/podman/build.go
+++ /dev/null
@@ -1,432 +0,0 @@
-package main
-
-import (
- "fmt"
- "os"
- "path/filepath"
- "strings"
-
- "github.com/containers/buildah"
- "github.com/containers/buildah/imagebuildah"
- buildahcli "github.com/containers/buildah/pkg/cli"
- "github.com/containers/buildah/pkg/parse"
- "github.com/containers/common/pkg/config"
- "github.com/containers/libpod/cmd/podman/cliconfig"
- "github.com/containers/libpod/pkg/adapter"
- "github.com/docker/go-units"
- "github.com/opencontainers/runtime-spec/specs-go"
- "github.com/pkg/errors"
- "github.com/sirupsen/logrus"
- "github.com/spf13/cobra"
- "github.com/spf13/pflag"
-)
-
-var (
- buildCommand cliconfig.BuildValues
- buildDescription = "Builds an OCI or Docker image using instructions from one or more Containerfiles and a specified build context directory."
- layerValues buildahcli.LayerResults
- budFlagsValues buildahcli.BudResults
- fromAndBudValues buildahcli.FromAndBudResults
- userNSValues buildahcli.UserNSResults
- namespaceValues buildahcli.NameSpaceResults
- podBuildValues cliconfig.PodmanBuildResults
-
- _buildCommand = &cobra.Command{
- Use: "build [flags] CONTEXT",
- Short: "Build an image using instructions from Containerfiles",
- Long: buildDescription,
- RunE: func(cmd *cobra.Command, args []string) error {
- buildCommand.InputArgs = args
- buildCommand.GlobalFlags = MainGlobalOpts
- buildCommand.BudResults = &budFlagsValues
- buildCommand.UserNSResults = &userNSValues
- buildCommand.FromAndBudResults = &fromAndBudValues
- buildCommand.LayerResults = &layerValues
- buildCommand.NameSpaceResults = &namespaceValues
- buildCommand.PodmanBuildResults = &podBuildValues
- buildCommand.Remote = remoteclient
- return buildCmd(&buildCommand)
- },
- Example: `podman build .
- podman build --creds=username:password -t imageName -f Containerfile.simple .
- podman build --layers --force-rm --tag imageName .`,
- }
-)
-
-func initBuild() {
- buildCommand.Command = _buildCommand
- buildCommand.SetHelpTemplate(HelpTemplate())
- buildCommand.SetUsageTemplate(UsageTemplate())
- flags := buildCommand.Flags()
- flags.SetInterspersed(true)
- budFlags := buildahcli.GetBudFlags(&budFlagsValues)
- flag := budFlags.Lookup("pull")
- if err := flag.Value.Set("true"); err != nil {
- logrus.Error("unable to set pull flag to true")
- }
- flag.DefValue = "true"
- layerFlags := buildahcli.GetLayerFlags(&layerValues)
- flag = layerFlags.Lookup("layers")
- if err := flag.Value.Set(useLayers()); err != nil {
- logrus.Error("unable to set uselayers")
- }
- flag.DefValue = useLayers()
- flag = layerFlags.Lookup("force-rm")
- if err := flag.Value.Set("true"); err != nil {
- logrus.Error("unable to set force-rm flag to true")
- }
- flag.DefValue = "true"
- podmanBuildFlags := GetPodmanBuildFlags(&podBuildValues)
- flag = podmanBuildFlags.Lookup("squash-all")
- if err := flag.Value.Set("false"); err != nil {
- logrus.Error("unable to set squash-all flag to false")
- }
-
- flag.DefValue = "true"
- fromAndBugFlags, err := buildahcli.GetFromAndBudFlags(&fromAndBudValues, &userNSValues, &namespaceValues)
- if err != nil {
- logrus.Errorf("failed to setup podman build flags: %v", err)
- os.Exit(1)
- }
-
- flags.AddFlagSet(&budFlags)
- flags.AddFlagSet(&fromAndBugFlags)
- flags.AddFlagSet(&layerFlags)
- flags.AddFlagSet(&podmanBuildFlags)
- markFlagHidden(flags, "signature-policy")
-}
-
-// GetPodmanBuildFlags flags used only by `podman build` and not by
-// `buildah bud`.
-func GetPodmanBuildFlags(flags *cliconfig.PodmanBuildResults) pflag.FlagSet {
- fs := pflag.FlagSet{}
- fs.BoolVar(&flags.SquashAll, "squash-all", false, "Squash all layers into a single layer.")
- return fs
-}
-
-func getContainerfiles(files []string) []string {
- var containerfiles []string
- for _, f := range files {
- if f == "-" {
- containerfiles = append(containerfiles, "/dev/stdin")
- } else {
- containerfiles = append(containerfiles, f)
- }
- }
- return containerfiles
-}
-
-func getNsValues(c *cliconfig.BuildValues) ([]buildah.NamespaceOption, error) {
- var ret []buildah.NamespaceOption
- if c.Network != "" {
- switch {
- case c.Network == "host":
- ret = append(ret, buildah.NamespaceOption{
- Name: string(specs.NetworkNamespace),
- Host: true,
- })
- case c.Network == "container":
- ret = append(ret, buildah.NamespaceOption{
- Name: string(specs.NetworkNamespace),
- })
- case c.Network[0] == '/':
- ret = append(ret, buildah.NamespaceOption{
- Name: string(specs.NetworkNamespace),
- Path: c.Network,
- })
- default:
- return nil, fmt.Errorf("unsupported configuration network=%s", c.Network)
- }
- }
- return ret, nil
-}
-
-func buildCmd(c *cliconfig.BuildValues) error {
- if (c.Flags().Changed("squash") && c.Flags().Changed("layers")) ||
- (c.Flags().Changed("squash-all") && c.Flags().Changed("layers")) ||
- (c.Flags().Changed("squash-all") && c.Flags().Changed("squash")) {
- return fmt.Errorf("cannot specify squash, squash-all and layers options together")
- }
-
- // The following was taken directly from containers/buildah/cmd/bud.go
- // TODO Find a away to vendor more of this in rather than copy from bud
- output := ""
- tags := []string{}
- if c.Flag("tag").Changed {
- tags = c.Tag
- if len(tags) > 0 {
- output = tags[0]
- tags = tags[1:]
- }
- }
- if c.BudResults.Authfile != "" {
- if _, err := os.Stat(c.BudResults.Authfile); err != nil {
- return errors.Wrapf(err, "error getting authfile %s", c.BudResults.Authfile)
- }
- }
-
- pullPolicy := imagebuildah.PullNever
- if c.Pull {
- pullPolicy = imagebuildah.PullIfMissing
- }
- if c.PullAlways {
- pullPolicy = imagebuildah.PullAlways
- }
-
- args := make(map[string]string)
- if c.Flag("build-arg").Changed {
- for _, arg := range c.BuildArg {
- av := strings.SplitN(arg, "=", 2)
- if len(av) > 1 {
- args[av[0]] = av[1]
- } else {
- delete(args, av[0])
- }
- }
- }
-
- containerfiles := getContainerfiles(c.File)
- format, err := getFormat(&c.PodmanCommand)
- if err != nil {
- return nil
- }
- contextDir := ""
- cliArgs := c.InputArgs
-
- layers := c.Layers // layers for podman defaults to true
- // Check to see if the BUILDAH_LAYERS environment variable is set and override command-line
- if _, ok := os.LookupEnv("BUILDAH_LAYERS"); ok {
- layers = buildahcli.UseLayers()
- }
-
- if len(cliArgs) > 0 {
- // The context directory could be a URL. Try to handle that.
- tempDir, subDir, err := imagebuildah.TempDirForURL("", "buildah", cliArgs[0])
- if err != nil {
- return errors.Wrapf(err, "error prepping temporary context directory")
- }
- if tempDir != "" {
- // We had to download it to a temporary directory.
- // Delete it later.
- defer func() {
- if err = os.RemoveAll(tempDir); err != nil {
- logrus.Errorf("error removing temporary directory %q: %v", contextDir, err)
- }
- }()
- contextDir = filepath.Join(tempDir, subDir)
- } else {
- // Nope, it was local. Use it as is.
- absDir, err := filepath.Abs(cliArgs[0])
- if err != nil {
- return errors.Wrapf(err, "error determining path to directory %q", cliArgs[0])
- }
- contextDir = absDir
- }
- } else {
- // No context directory or URL was specified. Try to use the
- // home of the first locally-available Containerfile.
- for i := range containerfiles {
- if strings.HasPrefix(containerfiles[i], "http://") ||
- strings.HasPrefix(containerfiles[i], "https://") ||
- strings.HasPrefix(containerfiles[i], "git://") ||
- strings.HasPrefix(containerfiles[i], "github.com/") {
- continue
- }
- absFile, err := filepath.Abs(containerfiles[i])
- if err != nil {
- return errors.Wrapf(err, "error determining path to file %q", containerfiles[i])
- }
- contextDir = filepath.Dir(absFile)
- break
- }
- }
- if contextDir == "" {
- return errors.Errorf("no context directory specified, and no containerfile specified")
- }
- if !fileIsDir(contextDir) {
- return errors.Errorf("context must be a directory: %v", contextDir)
- }
- if len(containerfiles) == 0 {
- if checkIfFileExists(filepath.Join(contextDir, "Containerfile")) {
- containerfiles = append(containerfiles, filepath.Join(contextDir, "Containerfile"))
- } else {
- containerfiles = append(containerfiles, filepath.Join(contextDir, "Dockerfile"))
- }
- }
-
- runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
- if err != nil {
- return errors.Wrapf(err, "could not get runtime")
- }
-
- runtimeFlags := []string{}
- for _, arg := range c.RuntimeFlags {
- runtimeFlags = append(runtimeFlags, "--"+arg)
- }
-
- conf, err := runtime.GetConfig()
- if err != nil {
- return err
- }
- if conf != nil && conf.Engine.CgroupManager == config.SystemdCgroupsManager {
- runtimeFlags = append(runtimeFlags, "--systemd-cgroup")
- }
- // end from buildah
-
- defer runtime.DeferredShutdown(false)
-
- var stdin, stdout, stderr, reporter *os.File
- stdin = os.Stdin
- stdout = os.Stdout
- stderr = os.Stderr
- reporter = os.Stderr
- if c.Flag("logfile").Changed {
- f, err := os.OpenFile(c.Logfile, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0600)
- if err != nil {
- return errors.Errorf("error opening logfile %q: %v", c.Logfile, err)
- }
- defer f.Close()
- logrus.SetOutput(f)
- stdout = f
- stderr = f
- reporter = f
- }
-
- var memoryLimit, memorySwap int64
- if c.Flags().Changed("memory") {
- memoryLimit, err = units.RAMInBytes(c.Memory)
- if err != nil {
- return err
- }
- }
-
- if c.Flags().Changed("memory-swap") {
- memorySwap, err = units.RAMInBytes(c.MemorySwap)
- if err != nil {
- return err
- }
- }
-
- nsValues, err := getNsValues(c)
- if err != nil {
- return err
- }
-
- networkPolicy := buildah.NetworkDefault
- for _, ns := range nsValues {
- if ns.Name == "none" {
- networkPolicy = buildah.NetworkDisabled
- break
- } else if !filepath.IsAbs(ns.Path) {
- networkPolicy = buildah.NetworkEnabled
- break
- }
- }
-
- buildOpts := buildah.CommonBuildOptions{
- AddHost: c.AddHost,
- CgroupParent: c.CgroupParent,
- CPUPeriod: c.CPUPeriod,
- CPUQuota: c.CPUQuota,
- CPUShares: c.CPUShares,
- CPUSetCPUs: c.CPUSetCPUs,
- CPUSetMems: c.CPUSetMems,
- Memory: memoryLimit,
- MemorySwap: memorySwap,
- ShmSize: c.ShmSize,
- Ulimit: c.Ulimit,
- Volumes: c.Volumes,
- }
-
- // `buildah bud --layers=false` acts like `docker build --squash` does.
- // That is all of the new layers created during the build process are
- // condensed into one, any layers present prior to this build are retained
- // without condensing. `buildah bud --squash` squashes both new and old
- // layers down into one. Translate Podman commands into Buildah.
- // Squash invoked, retain old layers, squash new layers into one.
- if c.Flags().Changed("squash") && c.Squash {
- c.Squash = false
- layers = false
- }
- // Squash-all invoked, squash both new and old layers into one.
- if c.Flags().Changed("squash-all") {
- c.Squash = true
- layers = false
- }
-
- compression := imagebuildah.Gzip
- if c.DisableCompression {
- compression = imagebuildah.Uncompressed
- }
-
- isolation, err := parse.IsolationOption(c.Isolation)
- if err != nil {
- return errors.Wrapf(err, "error parsing ID mapping options")
- }
-
- usernsOption, idmappingOptions, err := parse.IDMappingOptions(c.PodmanCommand.Command, isolation)
- if err != nil {
- return errors.Wrapf(err, "error parsing ID mapping options")
- }
- nsValues = append(nsValues, usernsOption...)
-
- systemContext, err := parse.SystemContextFromOptions(c.PodmanCommand.Command)
- if err != nil {
- return errors.Wrapf(err, "error building system context")
- }
-
- options := imagebuildah.BuildOptions{
- AddCapabilities: c.CapAdd,
- AdditionalTags: tags,
- Annotations: c.Annotation,
- Architecture: c.Arch,
- Args: args,
- BlobDirectory: c.BlobCache,
- CNIConfigDir: c.CNIConfigDir,
- CNIPluginPath: c.CNIPlugInPath,
- CommonBuildOpts: &buildOpts,
- Compression: compression,
- ConfigureNetwork: networkPolicy,
- ContextDirectory: contextDir,
- DefaultMountsFilePath: c.GlobalFlags.DefaultMountsFile,
- Devices: c.Devices,
- DropCapabilities: c.CapDrop,
- Err: stderr,
- ForceRmIntermediateCtrs: c.ForceRm,
- IDMappingOptions: idmappingOptions,
- IIDFile: c.Iidfile,
- In: stdin,
- Isolation: isolation,
- Labels: c.Label,
- Layers: layers,
- NamespaceOptions: nsValues,
- NoCache: c.NoCache,
- OS: c.OS,
- Out: stdout,
- Output: output,
- OutputFormat: format,
- PullPolicy: pullPolicy,
- Quiet: c.Quiet,
- RemoveIntermediateCtrs: c.Rm,
- ReportWriter: reporter,
- RuntimeArgs: runtimeFlags,
- SignBy: c.SignBy,
- SignaturePolicyPath: c.SignaturePolicy,
- Squash: c.Squash,
- SystemContext: systemContext,
- Target: c.Target,
- TransientMounts: c.Volumes,
- }
- _, _, err = runtime.Build(getContext(), c, options, containerfiles)
- return err
-}
-
-// useLayers returns false if BUILDAH_LAYERS is set to "0" or "false"
-// otherwise it returns true
-func useLayers() string {
- layers := os.Getenv("BUILDAH_LAYERS")
- if strings.ToLower(layers) == "false" || layers == "0" {
- return "false"
- }
- return "true"
-}