diff options
Diffstat (limited to 'cmd/podman')
| -rw-r--r-- | cmd/podman/build.go | 42 | ||||
| -rw-r--r-- | cmd/podman/cliconfig/create.go | 9 |
2 files changed, 49 insertions, 2 deletions
diff --git a/cmd/podman/build.go b/cmd/podman/build.go index 4ea4d3825..f4efea544 100644 --- a/cmd/podman/build.go +++ b/cmd/podman/build.go @@ -17,6 +17,7 @@ import ( "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/spf13/cobra" + "github.com/spf13/pflag" ) var ( @@ -27,6 +28,7 @@ var ( fromAndBudValues buildahcli.FromAndBudResults userNSValues buildahcli.UserNSResults namespaceValues buildahcli.NameSpaceResults + podBuildValues cliconfig.PodmanBuildResults _buildCommand = &cobra.Command{ Use: "build [flags] CONTEXT", @@ -40,6 +42,7 @@ var ( buildCommand.FromAndBudResults = &fromAndBudValues buildCommand.LayerResults = &layerValues buildCommand.NameSpaceResults = &namespaceValues + buildCommand.PodmanBuildResults = &podBuildValues buildCommand.Remote = remoteclient return buildCmd(&buildCommand) }, @@ -73,15 +76,30 @@ func init() { 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 := buildahcli.GetFromAndBudFlags(&fromAndBudValues, &userNSValues, &namespaceValues) flags.AddFlagSet(&budFlags) - flags.AddFlagSet(&layerFlags) 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 { @@ -119,6 +137,12 @@ func getNsValues(c *cliconfig.BuildValues) ([]buildah.NamespaceOption, error) { } 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 := "" @@ -293,6 +317,22 @@ func buildCmd(c *cliconfig.BuildValues) error { 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 + } + options := imagebuildah.BuildOptions{ CommonBuildOpts: &buildOpts, AdditionalTags: tags, diff --git a/cmd/podman/cliconfig/create.go b/cmd/podman/cliconfig/create.go index 5fb2eed10..c27dfbbee 100644 --- a/cmd/podman/cliconfig/create.go +++ b/cmd/podman/cliconfig/create.go @@ -12,13 +12,20 @@ type RunValues struct { PodmanCommand } +// PodmanBuildResults represents the results for Podman Build flags +// that are unique to Podman. +type PodmanBuildResults struct { + SquashAll bool +} + type BuildValues struct { PodmanCommand *buildahcli.BudResults *buildahcli.UserNSResults *buildahcli.FromAndBudResults - *buildahcli.NameSpaceResults *buildahcli.LayerResults + *buildahcli.NameSpaceResults + *PodmanBuildResults } type CpValues struct { |