iso/empanadas/Containerfile

@@ -1,4 +1,4 @@
-FROM quay.io/centos/centos:stream9
+FROM quay.io/rockylinux/rockylinux:9
 
 ADD images/get_arch /get_arch
 

iso/empanadas/Containerfile.imagefactory

@@ -38,6 +38,8 @@ RUN dnf install -y \
     sudo \
     mock \
     python-pip \
+    mock \
+    fuse-overlayfs \
     imagefactory \
     imagefactory-plugins*
 

iso/empanadas/empanadas/backends/__init__.py

@@ -0,0 +1,5 @@
+"""Empanadas Backends (fillings)"""
+
+from .imagefactory import ImageFactoryBackend
+from .kiwi import KiwiBackend
+from .interface import BackendInterface

iso/empanadas/empanadas/backends/imagefactory.py

@@ -0,0 +1,318 @@
+"""Backend for ImageFactory"""
+
+import json
+import os
+import pathlib
+import tempfile
+
+from .interface import BackendInterface
+from empanadas.builders import utils
+
+from attrs import define, field
+
+from typing import List, Optional, Callable, Union
+
+KICKSTART_PATH = pathlib.Path(os.environ.get("KICKSTART_PATH", "/kickstarts"))
+STORAGE_DIR = pathlib.Path("/var/lib/imagefactory/storage")
+
+
+@define(kw_only=True)
+class ImageFactoryBackend(BackendInterface):
+    """Build an image using ImageFactory"""
+    kickstart_arg: List[str] = field(factory=list)
+    kickstart_path: pathlib.Path = field(init=False)
+    base_uuid: Optional[str] = field(default="")
+    target_uuid: Optional[str] = field(default="")
+    tdl_path: pathlib.Path = field(init=False)
+    out_type: str = field(init=False)
+    command_args: List[str] = field(factory=list)
+    common_args: List[str] = field(factory=list)
+    package_args: List[str] = field(factory=list)
+    metadata: pathlib.Path = field(init=False)
+    stage_commands: Optional[List[List[Union[str, Callable]]]] = field(init=False)
+
+    # The url to use in the path when fetching artifacts for the build
+    kickstart_dir: str = field()  # 'os' or 'kickstart'
+
+    # The git repository to fetch kickstarts from
+    kickstart_repo: str = field()
+
+    def prepare(self):
+        self.out_type = self.image_format()
+
+        tdl_template = self.ctx.tmplenv.get_template('icicle/tdl.xml.tmpl')
+
+        self.tdl_path = self.render_icicle_template(tdl_template)
+        if not self.tdl_path:
+            exit(2)
+
+        self.metadata = pathlib.Path(self.ctx.outdir, ".imagefactory-metadata.json")
+
+        self.kickstart_path = pathlib.Path(f"{KICKSTART_PATH}/Rocky-{self.ctx.architecture.major}-{self.ctx.type_variant}.ks")
+
+        self.checkout_kickstarts()
+        self.kickstart_arg = self.kickstart_imagefactory_args()
+
+        try:
+            os.mkdir(self.ctx.outdir)
+        except FileExistsError:
+            self.log.info("Directory already exists for this release. If possible, previously executed steps may be skipped")
+        except Exception as e:
+            self.log.exception("Some other exception occured while creating the output directory", e)
+            return 0
+
+        if os.path.exists(self.metadata):
+            self.ctx.log.info(f"Found metadata at {self.metadata}")
+            with open(self.metadata, "r") as f:
+                try:
+                    o = json.load(f)
+                    self.base_uuid = o['base_uuid']
+                    self.target_uuid = o['target_uuid']
+                except json.decoder.JSONDecodeError as e:
+                    self.ctx.log.exception("Couldn't decode metadata file", e)
+                finally:
+                    f.flush()
+
+        self.command_args = self._command_args()
+        self.package_args = self._package_args()
+        self.common_args = self._common_args()
+
+        self.setup_staging()
+
+    def build(self) -> int:
+        if self.base_uuid:
+            return 0
+
+        self.fix_ks()
+
+        # TODO(neil): this should be a lambda which is called from the function
+        ret, out, err, uuid = self.ctx.prepare_and_run(self.build_command(), search=True)
+        if uuid:
+            self.base_uuid = uuid.rstrip()
+            self.save()
+
+        if ret > 0:
+            return ret
+
+        ret = self.package()
+
+        if ret > 0:
+            return ret
+
+
+    def clean(self):
+        pass
+
+    def save(self):
+        with open(self.metadata, "w") as f:
+            try:
+                o = {
+                    name: getattr(self, name) for name in [
+                        "base_uuid", "target_uuid"
+                    ]
+                }
+                self.ctx.log.debug(o)
+                json.dump(o, f)
+            except AttributeError as e:
+                self.ctx.log.error("Couldn't find attribute in object. Something is probably wrong", e)
+            except Exception as e:
+                self.ctx.log.exception(e)
+            finally:
+                f.flush()
+
+    def package(self) -> int:
+        # Some build types don't need to be packaged by imagefactory
+        # @TODO remove business logic if possible
+        if self.ctx.image_type in ["GenericCloud", "EC2", "Azure", "Vagrant", "OCP", "RPI", "GenericArm"]:
+            self.target_uuid = self.base_uuid if hasattr(self, 'base_uuid') else ""
+
+        if self.target_uuid:
+            return 0
+
+        ret, out, err, uuid = self.ctx.prepare_and_run(self.package_command(), search=True)
+        if uuid:
+            self.target_uuid = uuid.rstrip()
+            self.save()
+        return ret
+
+    def stage(self) -> int:
+        """ Stage the artifacst from wherever they are (unpacking and converting if needed)"""
+        self.ctx.log.info("Executing staging commands")
+        if not hasattr(self, 'stage_commands'):
+            return 0
+
+        returns = []
+        for command in self.stage_commands:  # type: ignore
+            ret, out, err, _ = self.ctx.prepare_and_run(command, search=False)
+            returns.append(ret)
+
+        if (res := all(ret > 0 for ret in returns) > 0):
+            raise Exception(res)
+
+        return 0
+
+    def checkout_kickstarts(self) -> int:
+        cmd = ["git", "clone", "--branch", f"r{self.ctx.architecture.major}",
+               self.kickstart_repo, f"{KICKSTART_PATH}"]
+        ret, out, err, _ = self.ctx.prepare_and_run(cmd, search=False)
+        self.ctx.log.debug(out)
+        self.ctx.log.debug(err)
+        if ret > 0:
+            ret = self.pull_kickstarts()
+        return ret
+
+    def pull_kickstarts(self) -> int:
+        cmd: utils.CMD_PARAM_T = ["git", "-C", f"{KICKSTART_PATH}", "reset", "--hard", "HEAD"]
+        ret, out, err, _ = self.ctx.prepare_and_run(cmd, search=False)
+        self.ctx.log.debug(out)
+        self.ctx.log.debug(err)
+        if ret == 0:
+            cmd = ["git", "-C", f"{KICKSTART_PATH}",  "pull"]
+            ret, out, err, _ = self.ctx.prepare_and_run(cmd, search=False)
+            self.ctx.log.debug(out)
+            self.ctx.log.debug(err)
+        return ret
+
+    def _command_args(self):
+        args_mapping = {
+            "debug": "--debug",
+        }
+        # NOTE(neil): i'm intentionally leaving this as is; deprecated
+        return [param for name, param in args_mapping.items() if self.ctx.debug]
+
+    def _package_args(self) -> List[str]:
+        if self.ctx.image_type in ["Container"]:
+            return ["--parameter", "compress", "xz"]
+        return [""]
+
+    def _common_args(self) -> List[str]:
+        args = []
+        if self.ctx.image_type in ["Container"]:
+            args = ["--parameter", "offline_icicle", "true"]
+        if self.ctx.image_type in ["GenericCloud", "EC2", "Vagrant", "Azure", "OCP", "RPI", "GenericArm"]:
+            args = ["--parameter", "generate_icicle", "false"]
+        return args
+
+    def image_format(self) -> str:
+        mapping = {
+                "Container": "docker"
+        }
+        return mapping[self.ctx.image_type] if self.ctx.image_type in mapping.keys() else ''
+
+    def kickstart_imagefactory_args(self) -> List[str]:
+
+        if not self.kickstart_path.is_file():
+            self.ctx.log.warning(f"Kickstart file is not available: {self.kickstart_path}")
+            if not self.ctx.debug:
+                self.ctx.log.warning("Exiting because debug mode is not enabled.")
+                exit(2)
+
+        return ["--file-parameter", "install_script", str(self.kickstart_path)]
+
+    def render_icicle_template(self, tdl_template) -> pathlib.Path:
+        output = tempfile.NamedTemporaryFile(delete=False).name
+        return utils.render_template(output, tdl_template,
+                                     architecture=self.ctx.architecture.name,
+                                     iso8601date=self.ctx.build_time.strftime("%Y%m%d"),
+                                     installdir=self.kickstart_dir,
+                                     major=self.ctx.architecture.major,
+                                     minor=self.ctx.architecture.minor,
+                                     release=self.ctx.release,
+                                     size="10G",
+                                     type=self.ctx.image_type,
+                                     utcnow=self.ctx.build_time,
+                                     version_variant=self.ctx.architecture.version if not self.ctx.variant else f"{self.ctx.architecture.version}-{self.ctx.variant}",
+                                     )
+
+    def build_command(self) -> List[str]:
+        build_command = ["imagefactory", "--timeout", self.ctx.timeout,
+                         *self.command_args, "base_image", *self.common_args,
+                         *self.kickstart_arg, self.tdl_path]
+        return build_command
+
+    def package_command(self) -> List[str]:
+        package_command = ["imagefactory", *self.command_args, "target_image",
+                           self.out_type, *self.common_args,
+                           "--id", f"{self.base_uuid}",
+                           *self.package_args,
+                           "--parameter", "repository", self.ctx.outname]
+        return package_command
+
+    def fix_ks(self):
+        cmd: utils.CMD_PARAM_T = ["sed", "-i", f"s,$basearch,{self.ctx.architecture.name},", str(self.kickstart_path)]
+        self.ctx.prepare_and_run(cmd, search=False)
+
+    def setup_staging(self):
+        # Yes, this is gross. I'll fix it later.
+        if self.ctx.image_type in ["Container"]:
+            self.stage_commands = [
+                    ["tar", "-C", f"{self.ctx.outdir}", "--strip-components=1", "-x", "-f", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", "*/layer.tar"],
+                    ["xz",  f"{self.ctx.outdir}/layer.tar"]
+            ]
+        if self.ctx.image_type in ["RPI"]:
+            self.stage_commands = [
+                    ["cp", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.ctx.outdir}/{self.ctx.outname}.raw"],
+                    ["xz",  f"{self.ctx.outdir}/{self.ctx.outname}.raw"]
+            ]
+        if self.ctx.image_type in ["GenericCloud", "OCP", "GenericArm"]:
+            self.stage_commands = [
+                    ["qemu-img", "convert", "-c", "-f", "raw", "-O", "qcow2",
+                     lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.ctx.outdir}/{self.ctx.outname}.qcow2"]
+            ]
+        if self.ctx.image_type in ["EC2"]:
+            self.stage_commands = [
+                    ["qemu-img", "convert", "-f", "raw", "-O", "qcow2", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.ctx.outdir}/{self.ctx.outname}.qcow2"]
+            ]
+        if self.ctx.image_type in ["Azure"]:
+            self.stage_commands = [
+                    ["/prep-azure.sh", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{STORAGE_DIR}"],
+                    ["cp", lambda: f"{STORAGE_DIR}/{self.target_uuid}.vhd", f"{self.ctx.outdir}/{self.ctx.outname}.vhd"]
+            ]
+        if self.ctx.image_type in ["Vagrant"]:
+            _map = {
+                    "Vbox": {"format": "vmdk", "provider": "virtualbox"},
+                    "Libvirt": {"format": "qcow2", "provider": "libvirt", "virtual_size": 10},
+                    "VMware": {"format": "vmdk", "provider": "vmware_desktop"}
+                    }
+            output = f"{_map[self.ctx.variant]['format']}"  # type: ignore
+            provider = f"{_map[self.ctx.variant]['provider']}"  # type: ignore
+
+            # pop from the options map that will be passed to the vagrant metadata.json
+            convert_options = _map[self.ctx.variant].pop('convertOptions') if 'convertOptions' in _map[self.ctx.variant].keys() else ''  # type: ignore
+
+            self.stage_commands = [
+                    ["qemu-img", "convert", "-c", "-f", "raw", "-O", output, *convert_options,
+                     lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.ctx.outdir}/{self.ctx.outname}.{output}"],
+                    ["tar", "-C", self.ctx.outdir, "-czf", f"/tmp/{self.ctx.outname}.box", '.'],
+                    ["mv", f"/tmp/{self.ctx.outname}.box", self.ctx.outdir]
+            ]
+            self.prepare_vagrant(_map[self.ctx.variant])
+
+        if self.stage_commands:
+            self.stage_commands.append(["cp", "-v", lambda: f"{STORAGE_DIR}/{self.target_uuid}.meta", f"{self.ctx.outdir}/build.meta"])
+
+    def prepare_vagrant(self, options):
+        """Setup the output directory for the Vagrant type variant, dropping templates as required"""
+
+        templates = {}
+        templates['Vagrantfile'] = self.ctx.tmplenv.get_template(f"vagrant/Vagrantfile.{self.ctx.variant}")
+        templates['metadata.json'] = self.ctx.tmplenv.get_template('vagrant/metadata.tmpl.json')
+        templates['info.json'] = self.ctx.tmplenv.get_template('vagrant/info.tmpl.json')
+
+        if self.ctx.variant == "VMware":
+            templates[f"{self.ctx.outname}.vmx"] = self.ctx.tmplenv.get_template('vagrant/vmx.tmpl')
+
+        if self.ctx.variant == "Vbox":
+            templates['box.ovf'] = self.ctx.tmplenv.get_template('vagrant/box.tmpl.ovf')
+
+        if self.ctx.variant == "Libvirt":
+            # Libvirt vagrant driver expects the qcow2 file to be called box.img.
+            qemu_command_index = [i for i, d in enumerate(self.stage_commands) if d[0] == "qemu-img"][0]
+            self.stage_commands.insert(qemu_command_index+1, ["mv", f"{self.ctx.outdir}/{self.ctx.outname}.qcow2", f"{self.ctx.outdir}/box.img"])
+
+        for name, template in templates.items():
+            utils.render_template(f"{self.ctx.outdir}/{name}", template,
+                                  name=self.ctx.outname,
+                                  arch=self.ctx.architecture.name,
+                                  options=options
+                                  )

iso/empanadas/empanadas/backends/interface.py

@@ -0,0 +1,40 @@
+"""
+empanadas backend interface
+"""
+from abc import ABC, abstractmethod
+from attrs import define, field
+
+
+@define
+class BackendInterface(ABC):
+    ctx = field(init=False)
+    """
+    Interface to build images (or whatever)
+    """
+    @abstractmethod
+    def prepare(self):
+        """
+        Prepares the environment necessary for building the image.
+        This might include setting up directories, checking prerequisites, etc.
+        """
+
+    @abstractmethod
+    def build(self):
+        """
+        Performs the image build operation. This is the core method
+        where the actual image building logic is implemented.
+        """
+
+    @abstractmethod
+    def stage(self):
+        """
+        Transforms and copies artifacts from build directory to the 
+        location expected by the builder (usually in /tmp/)
+        """
+
+    @abstractmethod
+    def clean(self):
+        """
+        Cleans up any resources or temporary files created during
+        the image building process.
+        """

iso/empanadas/empanadas/backends/kiwi.py

@@ -0,0 +1,241 @@
+"""Backend for Kiwi"""
+
+from .interface import BackendInterface
+from .kiwi_imagedata import ImagesData
+
+from empanadas.builders import utils
+from empanadas.common import AttributeDict
+
+from attrs import define, field
+from functools import wraps
+from typing import List
+
+import git
+import os
+import pathlib
+import tempfile
+import shutil
+import sys
+
+# TODO(neil): this should be part of the config, somewhere
+temp = AttributeDict(
+    {
+        "Azure": {
+            "kiwiType": "oem",
+            "kiwiProfile": "Cloud-Azure",
+            "fileType": "raw",  # post-converted into vhd on MB boundary
+            "outputKey": "disk_format_image",
+        },
+        "OCP": {
+            "kiwiType": "oem",
+            "kiwiProfile": "Cloud-OCP",
+            "fileType": "qcow2",
+            "outputKey": "disk_format_image",
+        },
+        "GenericCloud": {
+            "kiwiType": "oem",
+            "kiwiProfile": "Cloud-GenericCloud",
+            "fileType": "qcow2",
+            "outputKey": "disk_format_image",
+        },
+        "EC2": {
+            "kiwiType": "oem",
+            "kiwiProfile": "Cloud-EC2",
+            "fileType": "qcow2",
+            "outputKey": "disk_format_image",
+        },
+        "Vagrant": {
+            "kiwiType": "oem",
+            "kiwiProfile": "Vagrant",
+            "fileType": "box",
+            "outputKey": "disk_format_image",
+        },
+        "Container": {
+            "kiwiType": "oci",
+            "kiwiProfile": "Container",
+            "fileType": "tar.xz",
+            "outputKey": "container"
+        }
+    }
+)
+
+
+def ensure_kiwi_conf(func):
+    @wraps(func)
+    def wrapper(self, *args, **kwargs):
+        if not hasattr(self, 'kiwi_conf') or self.kiwi_conf is None:
+            self.kiwi_conf = temp[self.ctx.image_type]
+        return func(self, *args, **kwargs)
+    return wrapper
+
+
+@define
+class KiwiBackend(BackendInterface):
+    """Build an image using Kiwi"""
+
+    build_args: List[str] = field(factory=list)
+    image_result: ImagesData = field(init=False)
+    kiwi_conf: AttributeDict = field(init=False)
+
+    def prepare(self):
+        """
+        Checkout mock-rocky-configs and rocky-kiwi-descriptions,
+        init the mock env, and setup to run kiwi
+        """
+        self.checkout_repos()
+        self.setup_mock()
+        self.setup_kiwi()
+
+    @ensure_kiwi_conf
+    def build(self):
+        self.build_args += [f"--type={self.kiwi_conf.kiwiType}", f"--profile={self.kiwi_conf.kiwiProfile}-{self.ctx.variant}"]
+
+        kiwi_command = [
+            "kiwi-ng", "--color-output",
+            *self.build_args,
+        ]
+        if self.ctx.debug:
+            kiwi_command.append("--debug")
+
+        kiwi_system_command = [
+            "system", "build",
+            "--description='/builddir/rocky-kiwi-descriptions'",
+            "--target-dir", f"/builddir/{self.ctx.outdir}"
+        ]
+
+        build_command = [
+            "--shell", "--enable-network", "--", *kiwi_command, *kiwi_system_command
+        ]
+        ret, out, err = self.run_mock_command(build_command)
+        if ret > 0:
+            raise Exception(f"Kiwi build failed: code {ret}")
+            sys.exit(ret)
+
+    @ensure_kiwi_conf
+    def stage(self):
+        ret, out, err = self.run_mock_command(["--copyout", f"/builddir/{self.ctx.outdir}", self.ctx.outdir])
+        if ret > 0:
+            raise Exception("failed to copy build result out")
+
+        kiwi_result_path = pathlib.Path(f"{self.ctx.outdir}/kiwi.result.json")
+        if not os.path.exists(kiwi_result_path):
+            raise Exception("Missing kiwi.result.json. Aborting")
+
+        with open(kiwi_result_path, "r") as kiwi_result:
+            self.image_result = ImagesData.from_json(kiwi_result.read()).images
+
+        source = self.image_result[self.kiwi_conf.outputKey].filename
+        filetype = self.kiwi_conf.fileType
+
+        source = utils.remove_first_directory(source)
+        dest = f"{self.ctx.outdir}/{self.ctx.outname}.{filetype}"
+
+        # NOTE(neil): only because we are preparing the 'final' image in clean step...
+        if self.ctx.image_type == 'Container':
+            dest = f"{self.ctx.outdir}/{self.ctx.outname}.oci"
+
+        try:
+            shutil.move(source, dest)
+        except Exception as e:
+            raise e
+
+        # TODO(neil): refactor
+        if self.ctx.image_type == 'Azure':
+            try:
+                utils.resize_and_convert_raw_image_to_vhd(dest, self.ctx.outdir)
+                # Remove old raw image
+                pathlib.Path(f"{self.ctx.outdir}/{self.ctx.outname}.raw").unlink()
+            except Exception as e:
+                raise e
+
+    def clean(self):
+        # TODO(neil): refactor
+        if self.ctx.image_type == 'Container':
+            # need to do this before we remove it, otherwise we have to extract from the OCI tarball
+            root = f"/builddir{self.ctx.outdir}"
+            builddir = f"{root}/build/image-root"
+            ret, out, err = self.run_mock_command(["--shell", "--", "tar", "-C", builddir, "-cJf", f"{root}/{self.ctx.outname}.tar.xz", "."])
+            if ret > 0:
+                raise Exception(err)
+
+        ret, out, err = self.run_mock_command(["--shell", "rm", "-fr", f"/builddir/{self.ctx.outdir}/build/"])
+        return ret
+
+    def run_mock_command(self, mock_command: List[str]):
+        mock_args = ["--configdir", "/tmp/mock-rocky-configs/etc/mock", "-r", f"rl-9-{self.ctx.architecture.name}-core-infra"]
+        if self.ctx.image_type != 'Container':
+            mock_args.append("--isolation=simple")
+        command = [
+            "mock",
+            *mock_args,
+            *mock_command,
+        ]
+        ret, out, err, _ = self.ctx.prepare_and_run(command)
+        return ret, out, err
+
+    def setup_mock(self):
+        # TODO(neil): add error checking
+        ret, out, err = self.run_mock_command(["--init"])
+
+        packages = [
+            "kiwi-boxed-plugin",
+            "kiwi-cli",
+            "git",
+            "dracut-kiwi-live",
+            "fuse-overlayfs",
+            "kiwi-systemdeps-bootloaders",
+            "kiwi-systemdeps-containers",
+            "kiwi-systemdeps-core",
+            "kiwi-systemdeps-disk-images",
+            "kiwi-systemdeps-filesystems",
+            "kiwi-systemdeps-image-validation",
+            "kiwi-systemdeps-iso-media",
+            "epel-release",
+            "rocky-release-core"
+        ]
+        ret, out, err = self.run_mock_command(["--install", *packages])
+
+        ret, out, err = self.run_mock_command(["--copyin", "/tmp/rocky-kiwi-descriptions", "/builddir/"])
+        return ret
+
+    def checkout_repos(self):
+        """
+        Checkout sig_core/mock-rocky-configs and sig_core/rocky-kiwi-descriptions to /tmp
+        """
+        repos = {
+            "mock-rocky-configs": "main",
+            "rocky-kiwi-descriptions": "r9"
+        }
+
+        for repo, branch in repos.items():
+            repo_url = f"https://git.resf.org/sig_core/{repo}"
+            clone_dir = f"/tmp/{repo}"
+
+            if os.path.isdir(os.path.join(clone_dir, ".git")):
+                try:
+                    # The directory exists and is a git repository, so attempt to pull the latest changes
+                    git.Repo(clone_dir).remotes.origin.pull(branch)
+                    self.ctx.log.info(f"pulled the latest changes for {branch} branch in {clone_dir}")
+                except Exception as e:
+                    raise Exception(f"Failed to pull the repository: {str(e)}")
+                finally:
+                    continue
+
+            try:
+                git.Repo.clone_from(repo_url, clone_dir, branch=branch)
+                print(f"Repository cloned into {clone_dir}")
+            except Exception as e:
+                print(f"Failed to clone repository: {str(e)}")
+
+    def setup_kiwi(self):
+        self.ctx.log.info("Generating kiwi.yml from template")
+        template = self.ctx.tmplenv.get_template('kiwi/kiwi.yml.j2')
+        output = tempfile.NamedTemporaryFile(delete=False).name
+        res = utils.render_template(output, template)
+
+        self.ctx.log.info("Copying generated kiwi.yml into build root")
+        ret, out, err = self.run_mock_command(["--copyin", res, "/etc/kiwi.yml"])
+        if ret > 0:
+            raise Exception("Failed to configure kiwi")
+
+        self.ctx.log.info("Finished setting up kiwi")

iso/empanadas/empanadas/backends/kiwi_imagedata.py

@@ -0,0 +1,24 @@
+from attrs import define, field
+from typing import Dict
+
+import json
+
+
+@define(auto_attribs=True, kw_only=True)
+class ImageInfo:
+    compress: bool
+    filename: str
+    shasum: bool
+    use_for_bundle: bool
+
+
+@define(auto_attribs=True, kw_only=True)
+class ImagesData:
+    images: Dict[str, ImageInfo] = field(factory=dict)
+
+    @staticmethod
+    def from_json(data: str) -> 'ImagesData':
+        json_data = json.loads(data)
+        images = {key: ImageInfo(**value) for key, value in json_data.items()}
+
+        return ImagesData(images=images)

iso/empanadas/empanadas/builders/__init__.py

@@ -0,0 +1 @@
+from .imagebuild import ImageBuild

iso/empanadas/empanadas/builders/imagebuild.py

@@ -0,0 +1,118 @@
+"""Build an image with a given backend"""
+
+import datetime
+import logging
+import os
+import pathlib
+
+from attrs import define, field
+
+from empanadas.backends import BackendInterface, KiwiBackend
+from empanadas.common import Architecture
+from empanadas.common import _rootdir
+from . import utils
+
+from jinja2 import Environment, FileSystemLoader, Template
+from typing import List, Optional, Tuple, Callable
+
+
+@define(kw_only=True)
+class ImageBuild:  # pylint: disable=too-few-public-methods
+    """Image builder using a given backend"""
+    tmplenv: Environment = field(init=False)
+
+    # Only things we know we're keeping in this class here
+    architecture: Architecture = field()
+    backend: BackendInterface = field()
+    build_time: datetime.datetime = field()
+    debug: bool = field(default=False)
+    log: logging.Logger = field()
+    release: int = field(default=0)
+    timeout: str = field(default='3600')
+
+    image_type: str = field()  # the type of the image
+    type_variant: str = field(init=False)
+    variant: Optional[str] = field()
+
+    # Kubernetes job template
+    job_template: Optional[Template] = field(init=False)  # the kube Job tpl
+
+    # Commands to stage artifacts
+
+    # Where the artifacts should go to
+    outdir: pathlib.Path = field(init=False)
+    outname: str = field(init=False)
+
+    def __attrs_post_init__(self):
+        self.backend.ctx = self
+
+        file_loader = FileSystemLoader(f"{_rootdir}/templates")
+        self.tmplenv = Environment(loader=file_loader)
+
+        self.job_template = self.tmplenv.get_template('kube/Job.tmpl')
+
+        self.type_variant = self.type_variant_name()
+        self.outdir, self.outname = self.output_name()
+
+    def output_name(self) -> Tuple[pathlib.Path, str]:
+        directory = f"Rocky-{self.architecture.major}-{self.type_variant}-{self.architecture.version}-{self.build_time.strftime('%Y%m%d')}.{self.release}"
+        name = f"{directory}.{self.architecture.name}"
+        outdir = pathlib.Path("/tmp/", directory)
+        return outdir, name
+
+    def type_variant_name(self):
+        return self.image_type if not self.variant else f"{self.image_type}-{self.variant}"
+
+    def prepare_and_run(self, command: utils.CMD_PARAM_T, search: Callable = None) -> utils.CMD_RESULT_T:
+        return utils.runCmd(self, self.prepare_command(command), search)
+
+    def prepare_command(self, command_list: utils.CMD_PARAM_T) -> List[str]:
+        """
+        Commands may be a callable, which should be a lambda to be evaluated at
+        preparation time with available locals. This can be used to, among
+        other things, perform lazy evaluations of f-strings which have values
+        not available at assignment time. e.g., filling in a second command
+        with a value extracted from the previous step or command.
+        """
+
+        r = []
+        for c in command_list:
+            if callable(c) and c.__name__ == '<lambda>':
+                r.append(c())
+            else:
+                r.append(str(c))
+        return r
+
+    def render_kubernetes_job(self):
+        # TODO(neil): should this be put in the builder class itself to return the right thing for us?
+        if self.backend == KiwiBackend:
+            self.log.error("Kube not implemented for Kiwi")
+
+        commands = [self.backend.build_command(), self.backend.package_command(), self.backend.copy_command()]
+        if not self.job_template:
+            return None
+        template = self.job_template.render(
+                architecture=self.architecture.name,
+                backoffLimit=4,
+                buildTime=self.build_time.strftime("%s"),
+                command=commands,
+                imageName="ghcr.io/rockylinux/sig-core-toolkit:latest",
+                jobname="buildimage",
+                namespace="empanadas",
+                major=self.architecture.major,
+                minor=self.architecture.minor,
+                restartPolicy="Never",
+            )
+        return template
+
+    def upload(self, skip=False) -> int:
+        if not skip:
+            self.log.info("Copying files to output directory")
+            copy_command = ["aws", "s3", "cp", "--recursive", f"{self.outdir}/",
+                            f"s3://resf-empanadas/buildimage-{self.architecture.version}-{self.architecture.name}/{self.outname}/{self.build_time.strftime('%s')}/"
+                            ]
+            ret, out, err, _ = self.prepare_and_run(copy_command, search=False)
+            return ret
+
+        self.ctx.log.info(f"Build complete! Output available in {self.ctx.outdir}/")
+        return 0

iso/empanadas/empanadas/builders/utils.py

@@ -0,0 +1,139 @@
+import json
+import os
+import logging
+import pathlib
+import subprocess
+import sys
+
+from typing import Callable, List, Tuple, Union
+
+CMD_PARAM_T = List[Union[str, Callable[..., str]]]
+
+STR_NONE_T = Union[bytes, None]
+BYTES_NONE_T = Union[bytes, None]
+# Tuple of int, stdout, stderr, uuid
+CMD_RESULT_T = Tuple[int, BYTES_NONE_T, BYTES_NONE_T, STR_NONE_T]
+
+
+log = logging.getLogger(__name__)
+log.setLevel(logging.INFO)
+handler = logging.StreamHandler(sys.stdout)
+handler.setLevel(logging.INFO)
+formatter = logging.Formatter(
+        '%(asctime)s :: %(name)s :: %(message)s',
+        '%Y-%m-%d %H:%M:%S'
+)
+handler.setFormatter(formatter)
+log.addHandler(handler)
+
+
+def render_template(path, template, **kwargs) -> pathlib.Path:
+    with open(path, "wb") as f:
+        _template = template.render(**kwargs)
+        f.write(_template.encode())
+        f.flush()
+    output = pathlib.Path(path)
+    if not output.exists():
+        raise Exception("Failed to template")
+    return output
+
+
+def runCmd(ctx, prepared_command: List[str], search: Callable = None) -> CMD_RESULT_T:
+    ctx.log.info(f"Running command: {' '.join(prepared_command)}")
+
+    kwargs = {
+        "stderr": subprocess.PIPE,
+        "stdout": subprocess.PIPE
+    }
+
+    if ctx.debug:
+        del kwargs["stderr"]
+
+    with subprocess.Popen(prepared_command,  **kwargs) as p:
+        uuid = None
+        # @TODO implement this as a callback?
+        if search:
+            for _, line in enumerate(p.stdout):  # type: ignore
+                ln = line.decode()
+                if ln.startswith("UUID: "):
+                    uuid = ln.split(" ")[-1]
+                    ctx.log.debug(f"found uuid: {uuid}")
+
+        out, err = p.communicate()
+        res = p.wait(), out, err, uuid
+
+        if res[0] > 0:
+            ctx.log.error(f"Problem while executing command: '{prepared_command}'")
+        if search and not res[3]:
+            ctx.log.error("UUID not found in stdout. Dumping stdout and stderr")
+        log_subprocess(ctx, res)
+
+        return res
+
+
+def log_subprocess(ctx, result: CMD_RESULT_T):
+    def log_lines(title, lines):
+        ctx.log.info(f"====={title}=====")
+        ctx.log.info(lines.decode())
+    ctx.log.info(f"Command return code: {result[0]}")
+    stdout = result[1]
+    stderr = result[2]
+    if stdout:
+        log_lines("Command STDOUT", stdout)
+    if stderr:
+        log_lines("Command STDERR", stderr)
+
+
+def remove_first_directory(path):
+    p = pathlib.Path(path)
+    # Check if the path is absolute
+    if p.is_absolute():
+        # For an absolute path, start the new path with the root
+        new_path = pathlib.Path(p.root, *p.parts[2:])
+    else:
+        # For a relative path, simply skip the first part
+        new_path = pathlib.Path(*p.parts[1:])
+    return new_path
+
+
+def resize_and_convert_raw_image_to_vhd(raw_image_path, outdir=None):
+    log.info(f"Will resize and convert {raw_image_path}")
+    MB = 1024 * 1024  # For calculations - 1048576 bytes
+
+    if outdir is None:
+        outdir = os.getcwd()
+
+    # Ensure the output directory exists
+    pathlib.Path(outdir).mkdir(parents=True, exist_ok=True)
+
+    # Getting the size of the raw image
+    result = subprocess.run(['qemu-img', 'info', '-f', 'raw', '--output', 'json', raw_image_path], capture_output=True, text=True)
+    if result.returncode != 0:
+        log.error("Error getting image info")
+        raise Exception(result)
+
+    image_info = json.loads(result.stdout)
+    size = int(image_info['virtual-size'])
+
+    # Calculate the new size rounded to the nearest MB
+    rounded_size = ((size + MB - 1) // MB) * MB
+
+    # Prepare output filename (.raw replaced by .vhd)
+    outfilename = pathlib.Path(raw_image_path).name.replace("raw", "vhd")
+    outfile = os.path.join(outdir, outfilename)
+
+    # Resize the image
+    log.info(f"Resizing {raw_image_path} to nearest MB boundary")
+    result = subprocess.run(['qemu-img', 'resize', '-f', 'raw', raw_image_path, str(rounded_size)])
+    if result.returncode != 0:
+        log.error("Error resizing image")
+        raise Exception(result)
+
+    # Convert the image
+    log.info(f"Converting {raw_image_path} to vhd")
+    result = subprocess.run(['qemu-img', 'convert', '-f', 'raw', '-o', 'subformat=fixed,force_size', '-O', 'vpc', raw_image_path, outfile])
+    if result.returncode != 0:
+        log.error("Error converting image to VHD format")
+        raise Exception(result)
+
+    log.info(f"Image converted and saved to {outfile}")

iso/empanadas/empanadas/common.py

@@ -1,21 +1,22 @@
 # All imports are here
 import glob
-import hashlib
-import logging
-import os
 import platform
 import time
 from collections import defaultdict
-from typing import Tuple
+from attrs import define, field
+
 
 import rpm
 import yaml
 
 
 # An implementation from the Fabric python library
-class AttributeDict(defaultdict):
-    def __init__(self):
-        super(AttributeDict, self).__init__(AttributeDict)
+class AttributeDict(dict):
+    def __init__(self, *args, **kwargs):
+        super(AttributeDict, self).__init__(*args, **kwargs)
+        for key, value in self.items():
+            if isinstance(value, dict):
+                self[key] = AttributeDict(value)
 
     def __getattr__(self, key):
         try:
@@ -26,6 +27,11 @@ class AttributeDict(defaultdict):
     def __setattr__(self, key, value):
         self[key] = value
 
+    def __setitem__(self, key, value):
+        if isinstance(value, dict):
+            value = AttributeDict(value)
+        super(AttributeDict, self).__setitem__(key, value)
+
 
 # These are a bunch of colors we may use in terminal output
 class Color:
@@ -107,7 +113,7 @@ for conf in glob.iglob(f"{_rootdir}/sig/*.yaml"):
 
 ALLOWED_TYPE_VARIANTS = {
     "Azure": ["Base", "LVM"],
-    "Container": ["Base", "Minimal", "UBI", "WSL"],
+    "Container": ["Base", "Minimal", "UBI", "WSL", "Toolbox"],
     "EC2": ["Base", "LVM"],
     "GenericCloud": ["Base", "LVM"],
     "Vagrant": ["Libvirt", "Vbox", "VMware"],
@@ -120,7 +126,7 @@ ALLOWED_TYPE_VARIANTS = {
 def valid_type_variant(_type: str, variant: str = "") -> bool:
     if _type not in ALLOWED_TYPE_VARIANTS:
         raise Exception(f"Type is invalid: ({_type}, {variant})")
-    if ALLOWED_TYPE_VARIANTS[_type] == None:
+    if ALLOWED_TYPE_VARIANTS[_type] is None:
         if variant is not None:
             raise Exception(f"{_type} Type expects no variant type.")
         return True
@@ -135,9 +141,6 @@ def valid_type_variant(_type: str, variant: str = "") -> bool:
     return True
 
 
-from attrs import define, field
-
-
 @define(kw_only=True)
 class Architecture:
     name: str = field()

iso/empanadas/empanadas/scripts/build_image.py

@@ -1,44 +1,49 @@
-# Builds an image given a version, type, variant, and architecture
+# Builds an image given a version, type, variant, anctx.d architecture
 # Defaults to the running host's architecture
 
 import argparse
 import datetime
-import json
 import logging
-import os
-import pathlib
 import platform
-import subprocess
 import sys
-import tempfile
-import time
-
-from attrs import define, Factory, field, asdict
-from botocore import args
-from jinja2 import Environment, FileSystemLoader, Template
-from typing import Callable, List, NoReturn, Optional, Tuple, IO, Union
 
 from empanadas.common import Architecture, rldict, valid_type_variant
-from empanadas.common import _rootdir
+from empanadas.builders import ImageBuild
+from empanadas.backends import ImageFactoryBackend, KiwiBackend
 
 parser = argparse.ArgumentParser(description="ISO Compose")
 
-parser.add_argument('--version', type=str, help="Release Version (8.6, 9.1)", required=True)
+parser.add_argument('--version',
+                    type=str, help="Release Version (8.6, 9.1)", required=True)
 parser.add_argument('--rc', action='store_true', help="Release Candidate")
-parser.add_argument('--kickstartdir', action='store_true', help="Use the kickstart dir instead of the os dir for repositories")
+parser.add_argument('--kickstartdir', action='store_true',
+                    help="Use the kickstart dir instead of the os dir")
 parser.add_argument('--debug', action='store_true', help="debug?")
-parser.add_argument('--type', type=str, help="Image type (container, genclo, azure, aws, vagrant)", required=True)
+parser.add_argument('--skip', type=str,
+                    help="what stage(s) to skip",
+                    required=False)
+parser.add_argument('--type', type=str,
+                    help="Image type (container, genclo, azure, aws, vagrant)",
+                    required=True)
 parser.add_argument('--variant', type=str, help="", required=False)
-parser.add_argument('--release', type=str, help="Image release for subsequent builds with the same date stamp (rarely needed)", required=False)
-parser.add_argument('--kube', action='store_true', help="output as a K8s job(s)", required=False)
-parser.add_argument('--timeout', type=str, help="change timeout for imagefactory build process (default 3600)", required=False, default='3600')
+parser.add_argument('--release', type=str,
+                    help="Image release for builds with the same date stamp",
+                    required=False)
+parser.add_argument('--kube', action='store_true',
+                    help="output as a K8s job(s)",
+                    required=False)
+parser.add_argument('--timeout', type=str,
+                    help="change timeout for imagefactory build process",
+                    required=False, default='3600')
+parser.add_argument('--backend', type=str,
+                    help="which backend to use (kiwi|imagefactory)",
+                    required=False, default='kiwi')
 
 
 results = parser.parse_args()
 rlvars = rldict[results.version]
 major = rlvars["major"]
 
-
 debug = results.debug
 
 log = logging.getLogger(__name__)
@@ -52,405 +57,6 @@ formatter = logging.Formatter(
 handler.setFormatter(formatter)
 log.addHandler(handler)
 
-STORAGE_DIR = pathlib.Path("/var/lib/imagefactory/storage")
-KICKSTART_PATH = pathlib.Path(os.environ.get("KICKSTART_PATH", "/kickstarts"))
-BUILDTIME = datetime.datetime.utcnow()
-
-
-CMD_PARAM_T = List[Union[str, Callable[..., str]]]
-
-@define(kw_only=True)
-class ImageBuild:
-    architecture: Architecture = field()
-    base_uuid: Optional[str] = field(default="")
-    cli_args: argparse.Namespace = field()
-    command_args: List[str] = field(factory=list)
-    common_args: List[str] = field(factory=list)
-    debug: bool = field(default=False)
-    image_type: str = field()
-    job_template: Optional[Template] = field(init=False)
-    kickstart_arg: List[str] = field(factory=list)
-    kickstart_path: pathlib.Path = field(init=False)
-    metadata: pathlib.Path = field(init=False)
-    out_type: str = field(init=False)
-    outdir: pathlib.Path = field(init=False) 
-    outname: str = field(init=False)
-    package_args: List[str] = field(factory=list)
-    release: int = field(default=0)
-    stage_commands: Optional[List[List[Union[str,Callable]]]] = field(init=False)
-    target_uuid: Optional[str] = field(default="")
-    tdl_path: pathlib.Path = field(init=False)
-    template: Template = field()
-    timeout: str = field(default='3600')
-    type_variant: str = field(init=False) 
-    variant: Optional[str] = field()
-
-    def __attrs_post_init__(self):
-        self.tdl_path = self.render_icicle_template()
-        if not self.tdl_path:
-            exit(2)
-        self.type_variant = self.type_variant_name()
-        self.outdir, self.outname = self.output_name()
-        self.out_type = self.image_format()
-        self.command_args = self._command_args()
-        self.package_args = self._package_args()
-        self.common_args = self._common_args()
-
-        self.metadata = pathlib.Path(self.outdir, ".imagefactory-metadata.json")
-
-        self.kickstart_path = pathlib.Path(f"{KICKSTART_PATH}/Rocky-{self.architecture.major}-{self.type_variant}.ks")
-
-        self.checkout_kickstarts()
-        self.kickstart_arg = self.kickstart_imagefactory_args()
-
-        try:
-            os.mkdir(self.outdir)
-        except FileExistsError as e:
-            log.info("Directory already exists for this release. If possible, previously executed steps may be skipped")
-        except Exception as e:
-            log.exception("Some other exception occured while creating the output directory", e)
-            return 0
-
-        if os.path.exists(self.metadata):
-            with open(self.metadata, "r") as f:
-                try:
-                    o = json.load(f)
-                    self.base_uuid = o['base_uuid']
-                    self.target_uuid = o['target_uuid']
-                except json.decoder.JSONDecodeError as e:
-                    log.exception("Couldn't decode metadata file", e)
-                finally:
-                    f.flush()
-
-        # Yes, this is gross. I'll fix it later.
-        if self.image_type in ["Container"]:
-            self.stage_commands = [
-                    ["tar", "-C", f"{self.outdir}", "--strip-components=1", "-x", "-f", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", "*/layer.tar"],
-                    ["xz",  f"{self.outdir}/layer.tar"]
-            ]
-        if self.image_type in ["RPI"]:
-            self.stage_commands = [
-                    ["cp", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.outdir}/{self.outname}.raw"],
-                    ["xz",  f"{self.outdir}/{self.outname}.raw"]
-            ]
-        if self.image_type in ["GenericCloud", "OCP", "GenericArm"]:
-            self.stage_commands = [
-                    ["qemu-img", "convert", "-c", "-f", "raw", "-O", "qcow2", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.outdir}/{self.outname}.qcow2"]
-            ]
-        if self.image_type in ["EC2"]:
-            self.stage_commands = [
-                    ["qemu-img", "convert", "-f", "raw", "-O", "qcow2", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.outdir}/{self.outname}.qcow2"]
-            ]
-        if self.image_type in ["Azure"]:
-            self.stage_commands = [
-                    ["/prep-azure.sh", lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{STORAGE_DIR}"],
-                    ["cp", lambda: f"{STORAGE_DIR}/{self.target_uuid}.vhd", f"{self.outdir}/{self.outname}.vhd"]
-            ]
-        if self.image_type in ["Vagrant"]:
-            _map = {
-                    "Vbox": {"format": "vmdk", "provider": "virtualbox"},
-                    "Libvirt": {"format": "qcow2", "provider": "libvirt", "virtual_size": 10},
-                    "VMware": {"format": "vmdk", "provider": "vmware_desktop"}
-                    }
-            output = f"{_map[self.variant]['format']}" #type: ignore
-            provider = f"{_map[self.variant]['provider']}" # type: ignore
-
-            # pop from the options map that will be passed to the vagrant metadata.json
-            convert_options = _map[self.variant].pop('convertOptions') if 'convertOptions' in _map[self.variant].keys() else '' #type: ignore
-
-
-            self.stage_commands = [
-                    ["qemu-img", "convert", "-c", "-f", "raw", "-O", output, *convert_options, lambda: f"{STORAGE_DIR}/{self.target_uuid}.body", f"{self.outdir}/{self.outname}.{output}"],
-                    ["tar", "-C", self.outdir, "-czf", f"/tmp/{self.outname}.box", '.'],
-                    ["mv", f"/tmp/{self.outname}.box", self.outdir]
-            ]
-            self.prepare_vagrant(_map[self.variant])
-
-        if self.stage_commands:
-            self.stage_commands.append(["cp", "-v",  lambda: f"{STORAGE_DIR}/{self.target_uuid}.meta", f"{self.outdir}/build.meta"])
-
-
-    def prepare_vagrant(self, options):
-        """Setup the output directory for the Vagrant type variant, dropping templates as required"""
-        file_loader = FileSystemLoader(f"{_rootdir}/templates")
-        tmplenv = Environment(loader=file_loader)
-
-        templates = {}
-        templates['Vagrantfile'] = tmplenv.get_template(f"vagrant/Vagrantfile.{self.variant}")
-        templates['metadata.json'] = tmplenv.get_template('vagrant/metadata.tmpl.json')
-        templates['info.json'] = tmplenv.get_template('vagrant/info.tmpl.json')
-
-        if self.variant == "VMware":
-            templates[f"{self.outname}.vmx"] = tmplenv.get_template('vagrant/vmx.tmpl')
-
-        if self.variant == "Vbox":
-            templates['box.ovf'] = tmplenv.get_template('vagrant/box.tmpl.ovf')
-
-        if self.variant == "Libvirt":
-            # Libvirt vagrant driver expects the qcow2 file to be called box.img.
-            qemu_command_index = [i for i, d in enumerate(self.stage_commands) if d[0] == "qemu-img"][0]
-            self.stage_commands.insert(qemu_command_index+1, ["mv", f"{self.outdir}/{self.outname}.qcow2", f"{self.outdir}/box.img"])
-
-        for name, template in templates.items():
-            self.render_template(f"{self.outdir}/{name}", template,
-                    name=self.outname,
-                    arch=self.architecture.name,
-                    options=options
-            )
-
-    def checkout_kickstarts(self) -> int:
-        cmd = ["git", "clone", "--branch", f"r{self.architecture.major}", rlvars['livemap']['git_repo'], f"{KICKSTART_PATH}"]
-        ret, out, err, _ = self.runCmd(cmd, search=False)
-        log.debug(out)
-        log.debug(err)
-        if ret > 0:
-            ret = self.pull_kickstarts()
-        return ret
-
-    def pull_kickstarts(self) -> int:
-        cmd: CMD_PARAM_T = ["git", "-C", f"{KICKSTART_PATH}", "reset", "--hard", "HEAD"]
-        ret, out, err, _ = self.runCmd(cmd, search=False)
-        log.debug(out)
-        log.debug(err)
-        if ret == 0:
-            cmd = ["git", "-C", f"{KICKSTART_PATH}",  "pull"]
-            ret, out, err, _ = self.runCmd(cmd, search=False)
-            log.debug(out)
-            log.debug(err)
-        return ret
-
-
-    def output_name(self) -> Tuple[pathlib.Path, str]:
-        directory = f"Rocky-{self.architecture.major}-{self.type_variant}-{self.architecture.version}-{BUILDTIME.strftime('%Y%m%d')}.{self.release}"
-        name = f"{directory}.{self.architecture.name}"
-        outdir = pathlib.Path(f"/tmp/", directory)
-        return outdir, name
-    
-    def type_variant_name(self):
-        return self.image_type if not self.variant else f"{self.image_type}-{self.variant}"
-
-    def _command_args(self):
-        args_mapping = {
-            "debug": "--debug",
-        }
-        return [param for name, param in args_mapping.items() if getattr(self.cli_args, name)]
-
-    def _package_args(self) -> List[str]:
-        if self.image_type in ["Container"]:
-            return ["--parameter", "compress", "xz"]
-        return [""]
-
-    def _common_args(self) -> List[str]:
-        args = []
-        if self.image_type in ["Container"]:
-            args = ["--parameter", "offline_icicle", "true"]
-        if self.image_type in ["GenericCloud", "EC2", "Vagrant", "Azure", "OCP", "RPI", "GenericArm"]:
-            args = ["--parameter", "generate_icicle", "false"]
-        return args
-
-    def image_format(self) -> str:
-        mapping = {
-                "Container": "docker"
-        }
-        return mapping[self.image_type] if self.image_type in mapping.keys() else ''
-
-    def kickstart_imagefactory_args(self) -> List[str]:
-
-        if not self.kickstart_path.is_file():
-            log.warning(f"Kickstart file is not available: {self.kickstart_path}")
-            if not debug:
-                log.warning("Exiting because debug mode is not enabled.")
-                exit(2)
-
-        return ["--file-parameter", "install_script", str(self.kickstart_path)]
-
-    def render_template(self, path, template, **kwargs) -> pathlib.Path:
-        with open(path, "wb") as f:
-            _template = template.render(**kwargs)
-            f.write(_template.encode())
-            f.flush()
-        output = pathlib.Path(path)
-        if not output.exists():
-            log.error("Failed to write template")
-            raise Exception("Failed to template")
-        return output
-
-    def render_icicle_template(self) -> pathlib.Path:
-        output = tempfile.NamedTemporaryFile(delete=False).name
-        return self.render_template(output, self.template,
-                architecture=self.architecture.name,
-                iso8601date=BUILDTIME.strftime("%Y%m%d"),
-                installdir="kickstart" if self.cli_args.kickstartdir else "os",
-                major=self.architecture.major,
-                minor=self.architecture.minor,
-                release=self.release,
-                size="10G",
-                type=self.image_type,
-                utcnow=BUILDTIME,
-                version_variant=self.architecture.version if not self.variant else f"{self.architecture.version}-{self.variant}",
-            )
-
-    def build_command(self) -> List[str]:
-        build_command = ["imagefactory", "--timeout", self.timeout, *self.command_args, "base_image", *self.common_args, *self.kickstart_arg, self.tdl_path]
-        return build_command
-    def package_command(self) -> List[str]:
-        package_command = ["imagefactory", *self.command_args, "target_image", self.out_type, *self.common_args,
-                            "--id", f"{self.base_uuid}",
-                            *self.package_args, 
-                            "--parameter", "repository", self.outname,
-                ]
-        return package_command
-
-    def copy_command(self) -> List[str]:
-
-        copy_command = ["aws", "s3", "cp", "--recursive", f"{self.outdir}/", 
-                f"s3://resf-empanadas/buildimage-{self.architecture.version}-{self.architecture.name}/{ self.outname }/{ BUILDTIME.strftime('%s') }/"
-                ]
-
-        return copy_command
-
-    def build(self) -> int:
-        if self.base_uuid:
-            return 0
-
-        self.fix_ks()
-
-        ret, out, err, uuid = self.runCmd(self.build_command()) 
-        if uuid:
-            self.base_uuid = uuid.rstrip()
-            self.save()
-        return ret
-
-    def package(self) -> int: 
-        # Some build types don't need to be packaged by imagefactory
-        # @TODO remove business logic if possible
-        if self.image_type in ["GenericCloud", "EC2", "Azure", "Vagrant", "OCP", "RPI", "GenericArm"]:
-            self.target_uuid = self.base_uuid if hasattr(self, 'base_uuid') else ""
-
-        if self.target_uuid:
-            return 0
-
-        ret, out, err, uuid = self.runCmd(self.package_command())
-        if uuid:
-            self.target_uuid = uuid.rstrip()
-            self.save()
-        return ret
-
-    def stage(self) -> int:
-        """ Stage the artifacst from wherever they are (unpacking and converting if needed)"""
-        if not hasattr(self,'stage_commands'):
-            return 0
-
-        returns = []
-        for command in self.stage_commands: #type: ignore
-            ret, out, err, _ = self.runCmd(command, search=False)
-            returns.append(ret)
-
-        return all(ret > 0 for ret in returns)
-
-    def copy(self, skip=False) -> int:
-        # move or unpack if necessary
-        log.info("Executing staging commands")
-        if (stage := self.stage() > 0):
-            raise Exception(stage)
-
-        if not skip:
-            log.info("Copying files to output directory")
-            ret, out, err, _ = self.runCmd(self.copy_command(), search=False) 
-            return ret
-
-        log.info(f"Build complete! Output available in {self.outdir}/")
-        return 0
-
-    def runCmd(self, command: CMD_PARAM_T, search: bool = True) -> Tuple[int, Union[bytes,None], Union[bytes,None], Union[str,None]]:
-        prepared, _ = self.prepare_command(command)
-        log.info(f"Running command: {' '.join(prepared)}")
-
-        kwargs = {
-            "stderr": subprocess.PIPE,
-            "stdout": subprocess.PIPE
-        }
-        if debug: del kwargs["stderr"]
-
-        with subprocess.Popen(prepared,  **kwargs) as p:
-            uuid = None
-            # @TODO implement this as a callback?
-            if search:
-                for _, line in enumerate(p.stdout): # type: ignore
-                    ln = line.decode()
-                    if ln.startswith("UUID: "):
-                        uuid = ln.split(" ")[-1]
-                        log.debug(f"found uuid: {uuid}")
-                
-            out, err = p.communicate()
-            res = p.wait(), out, err, uuid
-
-            if res[0] > 0:
-                log.error(f"Problem while executing command: '{prepared}'")
-            if search and not res[3]:
-                log.error("UUID not found in stdout. Dumping stdout and stderr")
-            self.log_subprocess(res)
-
-            return res
-
-    def prepare_command(self, command_list: CMD_PARAM_T) -> Tuple[List[str],List[None]]:
-        """
-        Commands may be a callable, which should be a lambda to be evaluated at
-        preparation time with available locals. This can be used to, among
-        other things, perform lazy evaluations of f-strings which have values
-        not available at assignment time. e.g., filling in a second command
-        with a value extracted from the previous step or command.
-
-        """
-
-        r = []
-        return r, [r.append(c()) if (callable(c) and c.__name__ == '<lambda>') else r.append(str(c)) for c in command_list]
-
-    def log_subprocess(self, result: Tuple[int, Union[bytes, None], Union[bytes, None], Union[str, None]]):
-        def log_lines(title, lines):
-            log.info(f"====={title}=====")
-            log.info(lines.decode())
-        log.info(f"Command return code: {result[0]}")
-        stdout = result[1]
-        stderr = result[2]
-        if stdout:
-            log_lines("Command STDOUT", stdout)
-        if stderr:
-            log_lines("Command STDERR", stderr)
-
-    def fix_ks(self):
-        cmd: CMD_PARAM_T = ["sed", "-i", f"s,$basearch,{self.architecture.name},", str(self.kickstart_path)]
-        self.runCmd(cmd, search=False)
-
-    def render_kubernetes_job(self):
-        commands = [self.build_command(), self.package_command(), self.copy_command()]
-        if not self.job_template:
-            return None
-        template = self.job_template.render(
-                architecture=self.architecture.name,
-                backoffLimit=4,
-                buildTime=BUILDTIME.strftime("%s"),
-                command=commands,
-                imageName="ghcr.io/rockylinux/sig-core-toolkit:latest",
-                jobname="buildimage",
-                namespace="empanadas",
-                major=major,
-                restartPolicy="Never",
-            )
-        return template
-
-    def save(self):
-        with open(self.metadata, "w") as f:
-            try: 
-                o = { name: getattr(self, name) for name in ["base_uuid", "target_uuid"] }
-                log.debug(o)
-                json.dump(o, f)
-            except AttributeError as e:
-                log.error("Couldn't find attribute in object. Something is probably wrong", e)
-            except Exception as e:
-                log.exception(e)
-            finally:
-                f.flush()
 
 def run():
     try:
@@ -459,28 +65,51 @@ def run():
         log.exception(e)
         exit(2)
 
-    file_loader = FileSystemLoader(f"{_rootdir}/templates")
-    tmplenv = Environment(loader=file_loader)
-    tdl_template = tmplenv.get_template('icicle/tdl.xml.tmpl')
-
     arches = rlvars['allowed_arches'] if results.kube else [platform.uname().machine]
 
     for architecture in arches:
+        if results.backend == "kiwi":
+            backend = KiwiBackend()
+        else:
+            backend = ImageFactoryBackend(
+                kickstart_dir="kickstart" if results.kickstartdir else "os",
+                kickstart_repo=rlvars['livemap']['git_repo']
+            )
         IB = ImageBuild(
                 architecture=Architecture.from_version(architecture, rlvars['revision']),
-                cli_args=results,
                 debug=results.debug,
-                image_type=results.type, 
+                image_type=results.type,
                 release=results.release if results.release else 0,
-                template=tdl_template,
                 variant=results.variant,
+                build_time=datetime.datetime.utcnow(),
+                backend=backend,
+                log=log,
         )
-        if results.kube:
-            IB.job_template = tmplenv.get_template('kube/Job.tmpl')
-            #commands = IB.kube_commands()
-            print(IB.render_kubernetes_job())
-        else:
-            ret = IB.build()
-            ret = IB.package()
-            ret = IB.copy()
 
+        if results.kube:
+            # commands = IB.kube_commands()
+            print(IB.render_kubernetes_job())
+            sys.exit(0)
+
+        skip_stages = results.skip.split(',') if results.skip else []
+        stages = ["prepare", "build", "clean", "stage"]
+        for i, stage in enumerate(stages):
+            skip_stage = stage in skip_stages
+
+            log.info(f"Stage {i} - {stage}{' SKIP' if skip_stage else ''}")
+
+            if skip_stage:
+                continue
+
+            method = getattr(IB.backend, stage)
+            if callable(method):
+                method()
+            else:
+                log.fatal(f"Unable to execute {stage}")
+
+        if 'upload' in skip_stages:
+            return
+
+        log.info("Final stage - Upload")
+
+        IB.upload(skip='upload' in skip_stages)

iso/empanadas/empanadas/templates/kiwi/kiwi.yml.j2

@@ -0,0 +1,162 @@
+# KIWI - Build configuration file
+#
+# Below all configuration parameters available to control
+# KIWI's build process are listed as comments. The values
+# used here provides the default values applied by KIWI if
+# no other information is specified.
+#
+# To make any of the below effective, please uncomment the
+# respective section(s) and adapt the parameters according
+# to your needs
+#
+
+# Setup access to security keys
+#credentials:
+#  # Specify private key(s) used for signing operations
+#  - verification_metadata_signing_key_file: /path/to/private.pem
+
+# Setup access options for the Open BuildService
+#obs:
+#  # Specify the URL of the Open BuildService download server
+#  - download_url: http://download.opensuse.org/repositories
+#  # Specify if the BuildService download server is public or private.
+#  # This information is used to verify if the request to populate
+#  # the repositories via the imageinclude attribute is possible
+#  - public: true
+
+
+# Setup behaviour of the kiwi result bundle command
+#bundle:
+#  # Specify if the bundle tarball should contain compressed results.
+#  # Note: Already compressed result information will not be touched.
+#  # Build results that generate an encrypted filesystem, i.e.
+#  # luks setup, will not be compressed. The intention for result compression
+#  # is to produce a smaller representation of the original. Encrypted data
+#  # generally grows when an attempt is made to compress the data. This is
+#  # due to the nature of compression algorithms. Therefore this setting is
+#  # ignored when encryption is enabled.
+#  - compress: false
+#  # Specify if the image build result and bundle should contain
+#  # a .changes file. The .changes file contains the package changelog
+#  # information from all packages installed into the image.
+#  - has_package_changes: false
+
+
+# Setup behaviour of XZ compressor
+#xz:
+#  # Specify options used in any xz compression call
+#  - options: '--threads=0'
+
+
+# Setup process parameters for container image creation
+#container:
+#  # Specify compression for container images
+#  # Possible values are true, false, xz or none.
+#  - compress: true
+
+
+# Setup process parameters for ISO image creation
+#iso:
+#  # Specify tool category which should be used to build iso images
+#  # Possible values are: xorriso
+#  - tool_category: xorriso
+
+
+# Setup process parameters for OCI toolchain
+#oci:
+#  # Specify OCI archive tool which should be used on creation of
+#  # container archives for OCI compliant images, e.g docker
+#  # Possible values are umoci and buildah
+#  - archive_tool: buildah
+
+
+# Specify build constraints that applies during the image build
+# process. If one or more constraints are violated the build exits
+# with an appropriate error message.
+#build_constraints:
+#  # Maximum result image size. The value can be specified in
+#  # bytes or it can be specified with m=MB or g=GB. The constraint
+#  # is checked prior to the result bundle creation
+#  - max_size: 700m
+
+# Setup process parameters for partition mapping
+mapper:
+#  # Specify tool to use for creating partition maps
+#  # Possible values are: kpartx and partx
+  - part_mapper: {{ "partx" if architecture in ["s390x"] else "kpartx" }}
+
+# Setup process parameters to handle runtime checks
+#runtime_checks:
+#  # Specify list of runtime checks to disable
+#  - disable:
+#      # verify that the host has the required container tools installed
+#      - check_container_tool_chain_installed
+
+#      # verify that there are repositories configured
+#      - check_repositories_configured
+
+#      # verify that the URL for imageinclude repos is accessable
+#      - check_image_include_repos_publicly_resolvable
+
+#      # verify secure boot setup disabled for overlay configured disk images
+#      - check_efi_mode_for_disk_overlay_correctly_setup
+
+#      # verify for legacy kiwi boot images that they exist on the host
+#      - check_boot_description_exists
+
+#      # verify if kiwi initrd_system was set if a boot attribute exists
+#      - check_initrd_selection_required
+
+#      # verify for legacy kiwi boot images that the same kernel is used
+#      - check_consistent_kernel_in_boot_and_system_image
+
+#      # check for reserved label names used in LVM setup
+#      - check_volume_setup_defines_reserved_labels
+
+#      # verify only one full size volume is specified for LVM images
+#      - check_volume_setup_defines_multiple_fullsize_volumes
+
+#      # verify no / volume setup is setup but the @root volume is used
+#      - check_volume_setup_has_no_root_definition
+
+#      # verify if volume label is really used with a volume setup
+#      - check_volume_label_used_with_lvm
+
+#      # verify that there is a xen domain setup for xen images
+#      - check_xen_uniquely_setup_as_server_or_guest
+
+#      # verify mediacheck is installed for ISO images that requests it
+#      - check_mediacheck_installed
+
+#      # verify dracut-kiwi-live is installed for ISO images
+#      - check_dracut_module_for_live_iso_in_package_list
+
+#      # verify dracut-kiwi-overlay is installed for overlay disk images
+#      - check_dracut_module_for_disk_overlay_in_package_list
+
+#      # verify dracut-kiwi-repart is installed for OEM disk images
+#      - check_dracut_module_for_disk_oem_in_package_list
+
+#      # verify dracut-kiwi-oem-dump is installed for OEM install images
+#      - check_dracut_module_for_oem_install_in_package_list
+
+#      # verify configured firmware is compatible with host architecture
+#      - check_architecture_supports_iso_firmware_setup
+
+#      # verify WSL naming conventions
+#      - check_appx_naming_conventions_valid
+
+#      # check kiwi dracut modules compatible with kiwi builder
+#      - check_dracut_module_versions_compatible_to_kiwi
+
+#      # check for unresolved include statements in the XML description
+#      - check_include_references_unresolvable
+
+#      # validate options passed to cryptsetup via luksformat element
+#      - check_luksformat_options_valid
+
+#      # check devicepersistency compatible with partition table type
+#      - check_partuuid_persistency_type_used_with_mbr
+
+#      # check efifatimagesize does not exceed the max El Torito load size
+#      - check_efi_fat_image_has_correct_size

iso/empanadas/pyproject.toml

@@ -17,6 +17,7 @@ xmltodict = "^0.13.0"
 requests = "^2.32.2"
 kobo = "^0.36.0"
 attrs = "^23.2.0"
+gitpython = ">1"
 
 [tool.poetry.dev-dependencies]
 pytest = "~5"
@@ -38,6 +39,16 @@ generate-compose = "empanadas.scripts.generate_compose:run"
 peridot-repoclosure = "empanadas.scripts.peridot_repoclosure:run"
 refresh-all-treeinfo = "empanadas.scripts.refresh_all_treeinfo:run"
 
+[tool.pylint.main]
+init-hook ="""
+try:
+  import pylint_venv
+except ImportError:
+  pass
+else:
+  pylint_venv.inithook()
+"""
+
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"

iso/empanadas/tox.ini

@@ -0,0 +1,2 @@
+[pycodestyle]
+max-line-length = 160