Adds create-stack command

- moves top-level tests into integration directory

.github/CODEOWNERS

@@ -1 +1,6 @@
 * @paketo-buildpacks/tooling-maintainers
+
+/internal/ihop @paketo-buildpacks/stacks-maintainers
+/commands/create_stack.go @paketo-buildpacks/stacks-maintainers
+/integration/create_stack_test.go @paketo-buildpacks/stacks-maintainers
+/integration/testdata/example-stack @paketo-buildpacks/stacks-maintainers

.github/workflows/test-pull-request.yml

@@ -6,17 +6,23 @@ on:
     - main
 
 jobs:
-  unit:
-    name: Unit Tests
+  tests:
+    name: Run Tests
     runs-on: ubuntu-latest
     steps:
     - name: Setup Go
       uses: actions/setup-go@v3
       with:
         go-version: 1.18.x
+
     - name: Checkout
       uses: actions/checkout@v2
-    - name: Run Unit Tests
+
+    - name: Setup Docker Multi-Platform Builds
+      run: |
+        docker run --privileged --rm docker/binfmt:a7996909642ee92942dcd6cff44b9b95f08dad64
+
+    - name: Run Tests
       run: go test -v -count=1 ./...
 
   upload:

README.md

@@ -4,7 +4,8 @@
 the idea of "packaging" or "packing" a buildpack.
 
 `jam` comes with the following commands:
-* help                : Help about any command
+* create-stack        : create a CNB stack
+* help                : help about any command
 * pack                : package buildpack
 * summarize           : summarize buildpackage
 * update-builder      : update builder

commands/create_stack.go

@@ -0,0 +1,109 @@
+package commands
+
+import (
+	"fmt"
+	"os"
+	"runtime"
+	"time"
+
+	"github.com/paketo-buildpacks/jam/internal/ihop"
+	"github.com/paketo-buildpacks/packit/v2/scribe"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(createStack())
+}
+
+type createStackFlags struct {
+	config      string
+	buildOutput string
+	runOutput   string
+	secrets     []string
+}
+
+func createStack() *cobra.Command {
+	flags := &createStackFlags{}
+	cmd := &cobra.Command{
+		Use:   "create-stack",
+		Short: "create-stack",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return createStackRun(*flags)
+		},
+	}
+	cmd.Flags().StringVar(&flags.config, "config", "", "path to a stack descriptor file (required)")
+	cmd.Flags().StringVar(&flags.buildOutput, "build-output", "", "path to output the build image OCI archive (required)")
+	cmd.Flags().StringVar(&flags.runOutput, "run-output", "", "path to output the run image OCI archive (required)")
+	cmd.Flags().StringSliceVar(&flags.secrets, "secret", nil, "secret to be passed to your Dockerfile")
+
+	err := cmd.MarkFlagRequired("config")
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Unable to mark config flag as required")
+	}
+
+	err = cmd.MarkFlagRequired("build-output")
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Unable to mark build-output flag as required")
+	}
+
+	err = cmd.MarkFlagRequired("run-output")
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Unable to mark run-output flag as required")
+	}
+
+	return cmd
+}
+
+func createStackRun(flags createStackFlags) error {
+	definition, err := ihop.NewDefinitionFromFile(flags.config, flags.secrets...)
+	if err != nil {
+		return err
+	}
+
+	_, definition.IncludeExperimentalSBOM = os.LookupEnv("EXPERIMENTAL_ATTACH_RUN_IMAGE_SBOM")
+
+	scratch, err := os.MkdirTemp("", "")
+	if err != nil {
+		return err
+	}
+	defer os.RemoveAll(scratch)
+
+	client, err := ihop.NewClient(scratch)
+	if err != nil {
+		return err
+	}
+
+	builder := ihop.NewBuilder(client, ihop.Cataloger{}, runtime.NumCPU())
+	logger := scribe.NewLogger(os.Stdout)
+	creator := ihop.NewCreator(client, builder, ihop.UserLayerCreator{}, ihop.SBOMLayerCreator{}, time.Now, logger)
+
+	stack, err := creator.Execute(definition)
+	if err != nil {
+		return err
+	}
+
+	logger.Process("Exporting build image to %s", flags.buildOutput)
+	err = client.Export(flags.buildOutput, stack.Build...)
+	if err != nil {
+		return err
+	}
+
+	logger.Process("Exporting run image to %s", flags.runOutput)
+	err = client.Export(flags.runOutput, stack.Run...)
+	if err != nil {
+		return err
+	}
+
+	logger.Process("Cleaning up intermediate image artifacts")
+	err = client.Cleanup(stack.Build...)
+	if err != nil {
+		return err
+	}
+
+	err = client.Cleanup(stack.Run...)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

go.mod

@@ -1,15 +1,127 @@
 module github.com/paketo-buildpacks/jam
 
-go 1.16
+go 1.18
 
 require (
+	github.com/BurntSushi/toml v1.1.0
 	github.com/Masterminds/semver/v3 v3.1.1
+	github.com/anchore/syft v0.44.1
 	github.com/buildpacks/pack v0.26.0
+	github.com/docker/cli v20.10.14+incompatible
 	github.com/docker/distribution v2.8.1+incompatible
+	github.com/docker/docker v20.10.14+incompatible
 	github.com/google/go-containerregistry v0.8.1-0.20220209165246-a44adc326839
+	github.com/moby/buildkit v0.9.3
 	github.com/onsi/gomega v1.19.0
 	github.com/paketo-buildpacks/packit/v2 v2.3.0
 	github.com/pelletier/go-toml v1.9.5
 	github.com/sclevine/spec v1.4.0
 	github.com/spf13/cobra v1.4.0
 )
+
+require (
+	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
+	github.com/CycloneDX/cyclonedx-go v0.5.0 // indirect
+	github.com/Microsoft/go-winio v0.5.2 // indirect
+	github.com/Microsoft/hcsshim v0.9.2 // indirect
+	github.com/acobaugh/osrelease v0.1.0 // indirect
+	github.com/anchore/go-macholibre v0.0.0-20220308212642-53e6d0aaf6fb // indirect
+	github.com/anchore/go-rpmdb v0.0.0-20210914181456-a9c52348da63 // indirect
+	github.com/anchore/go-version v1.2.2-0.20200701162849-18adb9c92b9b // indirect
+	github.com/anchore/packageurl-go v0.1.1-0.20220314153042-1bcd40e5206b // indirect
+	github.com/anchore/stereoscope v0.0.0-20220406160859-c03a18a6b270 // indirect
+	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/apex/log v1.9.0 // indirect
+	github.com/bmatcuk/doublestar/v4 v4.0.2 // indirect
+	github.com/buildpacks/imgutil v0.0.0-20220425182719-2edb52457eb0 // indirect
+	github.com/buildpacks/lifecycle v0.14.0 // indirect
+	github.com/containerd/cgroups v1.0.3 // indirect
+	github.com/containerd/console v1.0.3 // indirect
+	github.com/containerd/containerd v1.6.3 // indirect
+	github.com/containerd/continuity v0.2.2 // indirect
+	github.com/containerd/stargz-snapshotter/estargz v0.11.4 // indirect
+	github.com/containerd/typeurl v1.0.2 // indirect
+	github.com/docker/docker-credential-helpers v0.6.4 // indirect
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/docker/go-units v0.4.0 // indirect
+	github.com/dsnet/compress v0.0.2-0.20210315054119-f66993602bf5 // indirect
+	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/facebookincubator/nvdtools v0.1.4 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.0 // indirect
+	github.com/go-logr/logr v1.2.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-restruct/restruct v1.2.0-alpha // indirect
+	github.com/gofrs/flock v0.8.1 // indirect
+	github.com/gogo/googleapis v1.4.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/go-cmp v0.5.8 // indirect
+	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/heroku/color v0.0.6 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jinzhu/copier v0.3.2 // indirect
+	github.com/klauspost/compress v1.15.2 // indirect
+	github.com/klauspost/pgzip v1.2.5 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/mattn/go-runewidth v0.0.13 // indirect
+	github.com/mholt/archiver/v3 v3.5.1 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/hashstructure/v2 v2.0.2 // indirect
+	github.com/mitchellh/ioprogress v0.0.0-20180201004757-6a23b12fa88e // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/moby/sys/mount v0.3.2 // indirect
+	github.com/moby/sys/mountinfo v0.6.1 // indirect
+	github.com/moby/sys/symlink v0.2.0 // indirect
+	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
+	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/nwaples/rardecode v1.1.0 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/image-spec v1.0.3-0.20220114050600-8b9d41f48198 // indirect
+	github.com/opencontainers/runc v1.1.1 // indirect
+	github.com/pierrec/lz4/v4 v4.1.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
+	github.com/scylladb/go-set v1.0.3-0.20200225121959-cc7b2070d91e // indirect
+	github.com/sirupsen/logrus v1.8.1 // indirect
+	github.com/spdx/tools-golang v0.2.0 // indirect
+	github.com/spf13/afero v1.8.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/tonistiigi/fsutil v0.0.0-20210609172227-d72af97c0eaf // indirect
+	github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea // indirect
+	github.com/tonistiigi/vt100 v0.0.0-20210615222946-8066bb97264f // indirect
+	github.com/ulikunitz/xz v0.5.10 // indirect
+	github.com/vbatts/tar-split v0.11.2 // indirect
+	github.com/vifraa/gopom v0.1.0 // indirect
+	github.com/wagoodman/go-partybus v0.0.0-20210627031916-db1f5573bbc5 // indirect
+	github.com/wagoodman/go-progress v0.0.0-20200731105512-1020f39e6240 // indirect
+	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
+	go.opencensus.io v0.23.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.28.0 // indirect
+	go.opentelemetry.io/otel v1.3.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.3.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.3.0 // indirect
+	go.opentelemetry.io/otel/trace v1.3.0 // indirect
+	go.opentelemetry.io/proto/otlp v0.12.0 // indirect
+	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/mod v0.5.1 // indirect
+	golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4 // indirect
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
+	golang.org/x/sys v0.0.0-20220422013727-9388b58f7150 // indirect
+	golang.org/x/term v0.0.0-20220411215600-e5f449aeb171 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/genproto v0.0.0-20220422154200-b37d22cd5731 // indirect
+	google.golang.org/grpc v1.46.0 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)