Use buildah commit and bud in podman

Vendor in buildah and use as much of commit and bug as possible for podman
build and commit.

Resolves #586
Signed-off-by: baude <bbaude@redhat.com>

Closes: #681
Approved by: mheon

1 files changed, 359 insertions, 0 deletions

diff --git a/vendor/github.com/projectatomic/buildah/buildah.go b/vendor/github.com/projectatomic/buildah/buildah.go
new file mode 100644
index 000000000..9b55dc320
--- /dev/null
+++ b/vendor/github.com/projectatomic/buildah/buildah.go
@@ -0,0 +1,359 @@
+package buildah
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/containers/image/types"
+	"github.com/containers/storage"
+	"github.com/containers/storage/pkg/ioutils"
+	"github.com/opencontainers/image-spec/specs-go/v1"
+	"github.com/pkg/errors"
+	"github.com/projectatomic/buildah/docker"
+)
+
+const (
+	// Package is the name of this package, used in help output and to
+	// identify working containers.
+	Package = "buildah"
+	// Version for the Package.  Bump version in contrib/rpm/buildah.spec
+	// too.
+	Version = "0.16"
+	// The value we use to identify what type of information, currently a
+	// serialized Builder structure, we are using as per-container state.
+	// This should only be changed when we make incompatible changes to
+	// that data structure, as it's used to distinguish containers which
+	// are "ours" from ones that aren't.
+	containerType = Package + " 0.0.1"
+	// The file in the per-container directory which we use to store our
+	// per-container state.  If it isn't there, then the container isn't
+	// one of our build containers.
+	stateFile = Package + ".json"
+)
+
+const (
+	// PullIfMissing is one of the values that BuilderOptions.PullPolicy
+	// can take, signalling that the source image should be pulled from a
+	// registry if a local copy of it is not already present.
+	PullIfMissing = iota
+	// PullAlways is one of the values that BuilderOptions.PullPolicy can
+	// take, signalling that a fresh, possibly updated, copy of the image
+	// should be pulled from a registry before the build proceeds.
+	PullAlways
+	// PullNever is one of the values that BuilderOptions.PullPolicy can
+	// take, signalling that the source image should not be pulled from a
+	// registry if a local copy of it is not already present.
+	PullNever
+)
+
+// Builder objects are used to represent containers which are being used to
+// build images.  They also carry potential updates which will be applied to
+// the image's configuration when the container's contents are used to build an
+// image.
+type Builder struct {
+	store storage.Store
+
+	// Type is used to help identify a build container's metadata.  It
+	// should not be modified.
+	Type string `json:"type"`
+	// FromImage is the name of the source image which was used to create
+	// the container, if one was used.  It should not be modified.
+	FromImage string `json:"image,omitempty"`
+	// FromImageID is the ID of the source image which was used to create
+	// the container, if one was used.  It should not be modified.
+	FromImageID string `json:"image-id"`
+	// Config is the source image's configuration.  It should not be
+	// modified.
+	Config []byte `json:"config,omitempty"`
+	// Manifest is the source image's manifest.  It should not be modified.
+	Manifest []byte `json:"manifest,omitempty"`
+
+	// Container is the name of the build container.  It should not be modified.
+	Container string `json:"container-name,omitempty"`
+	// ContainerID is the ID of the build container.  It should not be modified.
+	ContainerID string `json:"container-id,omitempty"`
+	// MountPoint is the last location where the container's root
+	// filesystem was mounted.  It should not be modified.
+	MountPoint string `json:"mountpoint,omitempty"`
+	// ProcessLabel is the SELinux process label associated with the container
+	ProcessLabel string `json:"process-label,omitempty"`
+	// MountLabel is the SELinux mount label associated with the container
+	MountLabel string `json:"mount-label,omitempty"`
+
+	// ImageAnnotations is a set of key-value pairs which is stored in the
+	// image's manifest.
+	ImageAnnotations map[string]string `json:"annotations,omitempty"`
+	// ImageCreatedBy is a description of how this container was built.
+	ImageCreatedBy string `json:"created-by,omitempty"`
+
+	// Image metadata and runtime settings, in multiple formats.
+	OCIv1  v1.Image       `json:"ociv1,omitempty"`
+	Docker docker.V2Image `json:"docker,omitempty"`
+	// DefaultMountsFilePath is the file path holding the mounts to be mounted in "host-path:container-path" format
+	DefaultMountsFilePath string `json:"defaultMountsFilePath,omitempty"`
+	CommonBuildOpts       *CommonBuildOptions
+}
+
+// BuilderInfo are used as objects to display container information
+type BuilderInfo struct {
+	Type                  string
+	FromImage             string
+	FromImageID           string
+	Config                string
+	Manifest              string
+	Container             string
+	ContainerID           string
+	MountPoint            string
+	ProcessLabel          string
+	MountLabel            string
+	ImageAnnotations      map[string]string
+	ImageCreatedBy        string
+	OCIv1                 v1.Image
+	Docker                docker.V2Image
+	DefaultMountsFilePath string
+}
+
+// GetBuildInfo gets a pointer to a Builder object and returns a BuilderInfo object from it.
+// This is used in the inspect command to display Manifest and Config as string and not []byte.
+func GetBuildInfo(b *Builder) BuilderInfo {
+	return BuilderInfo{
+		Type:                  b.Type,
+		FromImage:             b.FromImage,
+		FromImageID:           b.FromImageID,
+		Config:                string(b.Config),
+		Manifest:              string(b.Manifest),
+		Container:             b.Container,
+		ContainerID:           b.ContainerID,
+		MountPoint:            b.MountPoint,
+		ProcessLabel:          b.ProcessLabel,
+		ImageAnnotations:      b.ImageAnnotations,
+		ImageCreatedBy:        b.ImageCreatedBy,
+		OCIv1:                 b.OCIv1,
+		Docker:                b.Docker,
+		DefaultMountsFilePath: b.DefaultMountsFilePath,
+	}
+}
+
+// CommonBuildOptions are reseources that can be defined by flags for both buildah from and bud
+type CommonBuildOptions struct {
+	// AddHost is the list of hostnames to add to the resolv.conf
+	AddHost []string
+	//CgroupParent it the path to cgroups under which the cgroup for the container will be created.
+	CgroupParent string
+	//CPUPeriod limits the CPU CFS (Completely Fair Scheduler) period
+	CPUPeriod uint64
+	//CPUQuota limits the CPU CFS (Completely Fair Scheduler) quota
+	CPUQuota int64
+	//CPUShares (relative weight
+	CPUShares uint64
+	//CPUSetCPUs in which to allow execution (0-3, 0,1)
+	CPUSetCPUs string
+	//CPUSetMems memory nodes (MEMs) in which to allow execution (0-3, 0,1). Only effective on NUMA systems.
+	CPUSetMems string
+	//Memory limit
+	Memory int64
+	//MemorySwap limit value equal to memory plus swap.
+	MemorySwap int64
+	//SecruityOpts modify the way container security is running
+	LabelOpts          []string
+	SeccompProfilePath string
+	ApparmorProfile    string
+	//ShmSize is the shared memory size
+	ShmSize string
+	//Ulimit options
+	Ulimit []string
+	//Volumes to bind mount into the container
+	Volumes []string
+}
+
+// BuilderOptions are used to initialize a new Builder.
+type BuilderOptions struct {
+	// FromImage is the name of the image which should be used as the
+	// starting point for the container.  It can be set to an empty value
+	// or "scratch" to indicate that the container should not be based on
+	// an image.
+	FromImage string
+	// Container is a desired name for the build container.
+	Container string
+	// PullPolicy decides whether or not we should pull the image that
+	// we're using as a base image.  It should be PullIfMissing,
+	// PullAlways, or PullNever.
+	PullPolicy int
+	// Registry is a value which is prepended to the image's name, if it
+	// needs to be pulled and the image name alone can not be resolved to a
+	// reference to a source image.  No separator is implicitly added.
+	Registry string
+	// Transport is a value which is prepended to the image's name, if it
+	// needs to be pulled and the image name alone, or the image name and
+	// the registry together, can not be resolved to a reference to a
+	// source image.  No separator is implicitly added.
+	Transport string
+	// Mount signals to NewBuilder() that the container should be mounted
+	// immediately.
+	Mount bool
+	// SignaturePolicyPath specifies an override location for the signature
+	// policy which should be used for verifying the new image as it is
+	// being written.  Except in specific circumstances, no value should be
+	// specified, indicating that the shared, system-wide default policy
+	// should be used.
+	SignaturePolicyPath string
+	// ReportWriter is an io.Writer which will be used to log the reading
+	// of the source image from a registry, if we end up pulling the image.
+	ReportWriter io.Writer
+	// github.com/containers/image/types SystemContext to hold credentials
+	// and other authentication/authorization information.
+	SystemContext *types.SystemContext
+	// DefaultMountsFilePath is the file path holding the mounts to be mounted in "host-path:container-path" format
+	DefaultMountsFilePath string
+	CommonBuildOpts       *CommonBuildOptions
+}
+
+// ImportOptions are used to initialize a Builder from an existing container
+// which was created elsewhere.
+type ImportOptions struct {
+	// Container is the name of the build container.
+	Container string
+	// SignaturePolicyPath specifies an override location for the signature
+	// policy which should be used for verifying the new image as it is
+	// being written.  Except in specific circumstances, no value should be
+	// specified, indicating that the shared, system-wide default policy
+	// should be used.
+	SignaturePolicyPath string
+}
+
+// ImportFromImageOptions are used to initialize a Builder from an image.
+type ImportFromImageOptions struct {
+	// Image is the name or ID of the image we'd like to examine.
+	Image string
+	// SignaturePolicyPath specifies an override location for the signature
+	// policy which should be used for verifying the new image as it is
+	// being written.  Except in specific circumstances, no value should be
+	// specified, indicating that the shared, system-wide default policy
+	// should be used.
+	SignaturePolicyPath string
+	// github.com/containers/image/types SystemContext to hold information
+	// about which registries we should check for completing image names
+	// that don't include a domain portion.
+	SystemContext *types.SystemContext
+}
+
+// NewBuilder creates a new build container.
+func NewBuilder(ctx context.Context, store storage.Store, options BuilderOptions) (*Builder, error) {
+	return newBuilder(ctx, store, options)
+}
+
+// ImportBuilder creates a new build configuration using an already-present
+// container.
+func ImportBuilder(ctx context.Context, store storage.Store, options ImportOptions) (*Builder, error) {
+	return importBuilder(ctx, store, options)
+}
+
+// ImportBuilderFromImage creates a new builder configuration using an image.
+// The returned object can be modified and examined, but it can not be saved
+// or committed because it is not associated with a working container.
+func ImportBuilderFromImage(ctx context.Context, store storage.Store, options ImportFromImageOptions) (*Builder, error) {
+	return importBuilderFromImage(ctx, store, options)
+}
+
+// OpenBuilder loads information about a build container given its name or ID.
+func OpenBuilder(store storage.Store, container string) (*Builder, error) {
+	cdir, err := store.ContainerDirectory(container)
+	if err != nil {
+		return nil, err
+	}
+	buildstate, err := ioutil.ReadFile(filepath.Join(cdir, stateFile))
+	if err != nil {
+		return nil, err
+	}
+	b := &Builder{}
+	err = json.Unmarshal(buildstate, &b)
+	if err != nil {
+		return nil, err
+	}
+	if b.Type != containerType {
+		return nil, errors.Errorf("container is not a %s container", Package)
+	}
+	b.store = store
+	b.fixupConfig()
+	return b, nil
+}
+
+// OpenBuilderByPath loads information about a build container given a
+// path to the container's root filesystem
+func OpenBuilderByPath(store storage.Store, path string) (*Builder, error) {
+	containers, err := store.Containers()
+	if err != nil {
+		return nil, err
+	}
+	abs, err := filepath.Abs(path)
+	if err != nil {
+		return nil, err
+	}
+	builderMatchesPath := func(b *Builder, path string) bool {
+		return (b.MountPoint == path)
+	}
+	for _, container := range containers {
+		cdir, err := store.ContainerDirectory(container.ID)
+		if err != nil {
+			return nil, err
+		}
+		buildstate, err := ioutil.ReadFile(filepath.Join(cdir, stateFile))
+		if err != nil {
+			return nil, err
+		}
+		b := &Builder{}
+		err = json.Unmarshal(buildstate, &b)
+		if err == nil && b.Type == containerType && builderMatchesPath(b, abs) {
+			b.store = store
+			b.fixupConfig()
+			return b, nil
+		}
+	}
+	return nil, storage.ErrContainerUnknown
+}
+
+// OpenAllBuilders loads all containers which have a state file that we use in
+// their data directory, typically so that they can be listed.
+func OpenAllBuilders(store storage.Store) (builders []*Builder, err error) {
+	containers, err := store.Containers()
+	if err != nil {
+		return nil, err
+	}
+	for _, container := range containers {
+		cdir, err := store.ContainerDirectory(container.ID)
+		if err != nil {
+			return nil, err
+		}
+		buildstate, err := ioutil.ReadFile(filepath.Join(cdir, stateFile))
+		if err != nil && os.IsNotExist(err) {
+			continue
+		}
+		b := &Builder{}
+		err = json.Unmarshal(buildstate, &b)
+		if err == nil && b.Type == containerType {
+			b.store = store
+			b.fixupConfig()
+			builders = append(builders, b)
+		}
+	}
+	return builders, nil
+}
+
+// Save saves the builder's current state to the build container's metadata.
+// This should not need to be called directly, as other methods of the Builder
+// object take care of saving their state.
+func (b *Builder) Save() error {
+	buildstate, err := json.Marshal(b)
+	if err != nil {
+		return err
+	}
+	cdir, err := b.store.ContainerDirectory(b.ContainerID)
+	if err != nil {
+		return err
+	}
+	return ioutils.AtomicWriteFile(filepath.Join(cdir, stateFile), buildstate, 0600)
+}