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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""
This transform construct tasks to perform diffs between builds, as
defined in kind.yml
"""
from taskgraph.transforms.base import TransformSequence
from taskgraph.util.schema import Schema
from taskgraph.util.taskcluster import get_artifact_path
from voluptuous import Any, Optional, Required
from gecko_taskgraph.transforms.task import task_description_schema
index_or_string = Any(
str,
{Required("index-search"): str},
)
diff_description_schema = Schema(
{
# Name of the diff task.
Required("name"): str,
# Treeherder tier.
Required("tier"): int,
# Treeherder symbol.
Required("symbol"): str,
# relative path (from config.path) to the file the task was defined in.
Optional("task-from"): str,
# Original and new builds to compare.
Required("original"): index_or_string,
Required("new"): index_or_string,
# Arguments to pass to diffoscope, used for task-defaults in
# taskcluster/kinds/diffoscope/kind.yml
Optional("args"): str,
# Extra arguments to pass to diffoscope, that can be set per job.
Optional("extra-args"): str,
# Fail the task when differences are detected.
Optional("fail-on-diff"): bool,
# What artifact to check the differences of. Defaults to target.tar.xz
# for Linux, target.dmg for Mac, target.zip for Windows, target.apk for
# Android.
Optional("artifact"): str,
# Whether to unpack first. Diffoscope can normally work without unpacking,
# but when one needs to --exclude some contents, that doesn't work out well
# if said content is packed (e.g. in omni.ja).
Optional("unpack"): bool,
# Commands to run before performing the diff.
Optional("pre-diff-commands"): [str],
# Only run the task on a set of projects/branches.
Optional("run-on-projects"): task_description_schema["run-on-projects"],
Optional("run-on-repo-type"): task_description_schema["run-on-repo-type"],
Optional("optimization"): task_description_schema["optimization"],
}
)
transforms = TransformSequence()
transforms.add_validate(diff_description_schema)
@transforms.add
def fill_template(config, tasks):
dummy_tasks = {}
for task in tasks:
name = task["name"]
deps = {}
urls = {}
previous_artifact = None
artifact = task.get("artifact")
for k in ("original", "new"):
value = task[k]
if isinstance(value, str):
deps[k] = value
dep_name = k
os_hint = value
else:
index = value["index-search"]
if index not in dummy_tasks:
dummy_tasks[index] = {
"label": "index-search-" + index,
"description": index,
"worker-type": "invalid/always-optimized",
"run": {
"using": "always-optimized",
},
"optimization": {
"index-search": [index],
},
}
yield dummy_tasks[index]
deps[index] = "index-search-" + index
dep_name = index
os_hint = index.split(".")[-1]
if artifact:
pass
elif "linux" in os_hint:
artifact = "target.tar.xz"
elif "macosx" in os_hint:
artifact = "target.dmg"
elif "android" in os_hint:
artifact = "target.apk"
elif "win" in os_hint:
artifact = "target.zip"
else:
raise Exception(f"Cannot figure out the OS for {value!r}")
if previous_artifact is not None and previous_artifact != artifact:
raise Exception("Cannot compare builds from different OSes")
urls[k] = {
"artifact-reference": f"<{dep_name}/{get_artifact_path(task, artifact)}>",
}
previous_artifact = artifact
taskdesc = {
"label": "diff-" + name,
"description": name,
"treeherder": {
"symbol": task["symbol"],
"platform": "diff/opt",
"kind": "other",
"tier": task["tier"],
},
"worker-type": "b-linux-gcp",
"worker": {
"docker-image": {"in-tree": "diffoscope"},
"artifacts": [
{
"type": "file",
"path": f"/builds/worker/{f}",
"name": f"public/{f}",
}
for f in (
"diff.html",
"diff.txt",
)
],
"env": {
"ORIG_URL": urls["original"],
"NEW_URL": urls["new"],
"DIFFOSCOPE_ARGS": " ".join(
task[k] for k in ("args", "extra-args") if k in task
),
"PRE_DIFF": "; ".join(task.get("pre-diff-commands", [])),
},
"max-run-time": 1800,
},
"run": {
"using": "run-task",
"checkout": task.get("unpack", False),
"command": "/builds/worker/bin/get_and_diffoscope{}{}".format(
" --unpack" if task.get("unpack") else "",
" --fail" if task.get("fail-on-diff") else "",
),
},
"dependencies": deps,
"optimization": task.get("optimization"),
"run-on-repo-type": task.get("run-on-repo-type", ["git", "hg"]),
}
if "run-on-projects" in task:
taskdesc["run-on-projects"] = task["run-on-projects"]
if artifact.endswith(".dmg"):
taskdesc.setdefault("fetches", {}).setdefault("toolchain", []).extend(
[
"linux64-cctools-port",
"linux64-libdmg",
]
)
yield taskdesc
|
