def load_assembler(description: Dict, index: Index, manifest: Manifest):
pipeline = manifest["tree"]
build, base, runner = pipeline.build, pipeline.id, pipeline.runner
name, options = description["name"], description.get("options", {})
# Add a pipeline with one stage for our assembler
pipeline = manifest.add_pipeline("assembler", runner, build)
info = index.get_module_info("Assembler", name)
stage = pipeline.add_stage(info, options, {})
info = index.get_module_info("Input", "org.osbuild.tree")
ip = stage.add_input("tree", info, "org.osbuild.pipeline")
ip.add_reference(base)
return pipeline
def load_input(name: str, description: Dict, index: Index, stage: Stage, manifest: Manifest, source_refs: set):
input_type = description["type"]
origin = description["origin"]
options = description.get("options", {})
info = index.get_module_info("Input", input_type)
ip = stage.add_input(name, info, origin, options)
refs = description.get("references", {})
if isinstance(refs, list):
refs = {r: {} for r in refs}
if origin == "org.osbuild.pipeline":
resolved = {}
for r, desc in refs.items():
if not r.startswith("name:"):
continue
target = resolve_ref(r, manifest)
resolved[target] = desc
refs = resolved
elif origin == "org.osbuild.source":
unknown_refs = set(refs.keys()) - source_refs
if unknown_refs:
raise ValueError(f"Unknown source reference(s) {unknown_refs}")
for r, desc in refs.items():
ip.add_reference(r, desc)
def load_stage(description: Dict, index: Index, pipeline: Pipeline, manifest: Manifest):
stage_type = description["type"]
opts = description.get("options", {})
info = index.get_module_info("Stage", stage_type)
stage = pipeline.add_stage(info, opts)
ips = description.get("inputs", {})
for name, desc in ips.items():
load_input(name, desc, index, stage, manifest)
return stage
def load_stage(description: Dict, index: Index, pipeline: Pipeline):
name = description["name"]
opts = description.get("options", {})
info = index.get_module_info("Stage", name)
stage = pipeline.add_stage(info, opts)
if stage.name == "org.osbuild.rpm":
info = index.get_module_info("Input", "org.osbuild.files")
ip = stage.add_input("packages", info, "org.osbuild.source")
for pkg in stage.options["packages"]:
options = None
if isinstance(pkg, dict):
gpg = pkg.get("check_gpg")
if gpg:
options = {"metadata": {"rpm.check_gpg": gpg}}
pkg = pkg["checksum"]
ip.add_reference(pkg, options)
elif stage.name == "org.osbuild.ostree":
info = index.get_module_info("Input", "org.osbuild.ostree")
ip = stage.add_input("commits", info, "org.osbuild.source")
commit, ref = opts["commit"], opts.get("ref")
options = {"ref": ref} if ref else None
ip.add_reference(commit, options)
def load_device(name: str, description: Dict, index: Index, stage: Stage):
device_type = description["type"]
options = description.get("options", {})
parent = description.get("parent")
if parent:
device = stage.devices.get(parent)
if not parent:
raise ValueError(f"Unknown parent device: {parent}")
parent = device
info = index.get_module_info("Device", device_type)
if not info:
raise TypeError(f"Missing meta information for {device_type}")
stage.add_device(name, info, parent, options)
def load_source(name: str, description: Dict, index: Index, manifest: Manifest):
if name == "org.osbuild.files":
name = "org.osbuild.curl"
info = index.get_module_info("Source", name)
if name == "org.osbuild.curl":
items = description["urls"]
elif name == "org.osbuild.ostree":
items = description["commits"]
else:
raise ValueError(f"Unknown source type: {name}")
# NB: the entries, i.e. `urls`, `commits` are left in the
# description dict, although the sources are not using
# it anymore. The reason is that it makes `describe` work
# without any special casing
manifest.add_source(info, items, description)
def load(description: Dict, index: Index) -> Manifest:
"""Load a manifest description"""
sources = description.get("sources", {})
pipelines = description.get("pipelines", [])
manifest = Manifest()
source_refs = set()
# load the sources
for name, desc in sources.items():
info = index.get_module_info("Source", name)
items = desc.get("items", {})
options = desc.get("options", {})
manifest.add_source(info, items, options)
source_refs.update(items.keys())
for desc in pipelines:
load_pipeline(desc, index, manifest, source_refs)
# The "runner" property in the manifest format is the
# runner to the run the pipeline with. In osbuild the
# "runner" property belongs to the "build" pipeline,
# i.e. is what runner to use for it. This we have to
# go through the pipelines and fix things up
pipelines = manifest.pipelines.values()
host_runner = detect_host_runner()
runners = {
pl.id: pl.runner for pl in pipelines
}
for pipeline in pipelines:
if not pipeline.build:
pipeline.runner = host_runner
continue
runner = runners[pipeline.build]
pipeline.runner = runner
return manifest
def load_mount(description: Dict, index: Index, stage: Stage):
mount_type = description["type"]
info = index.get_module_info("Mount", mount_type)
name = description["name"]
if name in stage.mounts:
raise ValueError(f"Duplicated mount '{name}'")
source = description.get("source")
target = description.get("target")
options = description.get("options", {})
device = None
if source:
device = stage.devices.get(source)
if not device:
raise ValueError(f"Unknown device '{source}' for mount '{name}'")
stage.add_mount(name, info, device, target, options)
def load_stage(description: Dict, index: Index, pipeline: Pipeline, manifest: Manifest, source_refs):
stage_type = description["type"]
opts = description.get("options", {})
info = index.get_module_info("Stage", stage_type)
stage = pipeline.add_stage(info, opts)
devs = description.get("devices", {})
devs = sort_devices(devs)
for name, desc in devs.items():
load_device(name, desc, index, stage)
ips = description.get("inputs", {})
for name, desc in ips.items():
load_input(name, desc, index, stage, manifest, source_refs)
mounts = description.get("mounts", [])
for mount in mounts:
load_mount(mount, index, stage)
return stage
