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1d3fd2af64ef7939b22ae4981eae991154509b77
fm-orchestrator/module_build_service/builder/CoprModuleBuilder.py
Yash Nanavati 1d3fd2af64 Minor changes towards Python 3 Compatability
2018-02-28 09:01:51 -05:00

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# -*- coding: utf-8 -*-
# Copyright (c) 2016 Red Hat, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# Written by Jakub Kadlčík <jkadlcik@redhat.com>
import logging
import os
import koji
import tempfile
import threading
import subprocess
import shutil
from copr.client import CoprClient
from copr.exceptions import CoprRequestException
from module_build_service import log
import module_build_service.scm
import module_build_service.utils
from module_build_service.builder.base import GenericBuilder
from module_build_service.builder.utils import execute_cmd
from module_build_service.builder.KojiModuleBuilder import KojiModuleBuilder
logging.basicConfig(level=logging.DEBUG)
class CoprModuleBuilder(GenericBuilder):
"""
See http://blog.samalik.com/copr-in-the-modularity-world/
especially section "Building a stack"
"""
backend = "copr"
_build_lock = threading.Lock()
@module_build_service.utils.validate_koji_tag('tag_name')
def __init__(self, owner, module, config, tag_name, components):
self.owner = owner
self.config = config
self.tag_name = tag_name
self.module = module
self.module_str = module.name
self.copr = None
self.client = CoprModuleBuilder._get_client(config)
self.client.username = self.owner
self.chroot = "custom-1-x86_64"
self.__prep = False
@classmethod
def _get_client(cls, config):
return CoprClient.create_from_file_config(config.copr_config)
def buildroot_connect(self, groups):
"""
This is an idempotent call to create or resume and validate the build
environment. .build() should immediately fail if .buildroot_connect()
wasn't called.
Koji Example: create tag, targets, set build tag inheritance...
"""
self.copr = self._get_copr_safe()
self._create_module_safe()
mmd = self.module.mmd()
buildrequires = ["@{}:{}/{}".format(n, s, "buildroot")
for n, s in mmd.buildrequires.items()]
buildroot_profile = mmd.profiles.get("buildroot")
if buildroot_profile:
buildrequires.extend(buildroot_profile.rpms)
self._update_chroot(packages=buildrequires)
if self.copr and self.copr.projectname and self.copr.username:
self.__prep = True
log.info("%r buildroot sucessfully connected." % self)
def _get_copr_safe(self):
kwargs = {
"ownername": self.module.copr_owner or self.owner,
"projectname": self.module.copr_project or
CoprModuleBuilder._tag_to_copr_name(self.tag_name)
}
try:
copr = self._get_copr(**kwargs)
except CoprRequestException:
self._create_copr(**kwargs)
copr = self._get_copr(**kwargs)
self._create_chroot_safe(copr, self.chroot)
self.client.modify_project(copr.projectname, copr.username,
use_bootstrap_container=True)
return copr
def _get_copr(self, ownername, projectname):
return self.client.get_project_details(projectname, username=ownername).handle
def _create_copr(self, ownername, projectname):
return self.client.create_project(ownername, projectname, [self.chroot])
def _create_chroot_safe(self, copr, chroot):
detail = copr.get_project_details().data["detail"]
current_chroots = detail["yum_repos"].keys()
if chroot not in current_chroots:
self.client.modify_project(copr.projectname, copr.username,
chroots=current_chroots + [chroot])
def _create_module_safe(self):
modulemd = self._dump_mmd()
kwargs = {
"username": self.module.copr_owner or self.owner,
"projectname": self.module.copr_project or
CoprModuleBuilder._tag_to_copr_name(self.tag_name),
"modulemd": modulemd,
"create": True,
"build": False,
}
try:
self.client.make_module(**kwargs)
except CoprRequestException as ex:
if "already exists" not in ex.message.get("nsv", [""])[0]:
raise RuntimeError("Buildroot is not prep-ed")
finally:
os.remove(modulemd)
def _dump_mmd(self):
# Write module's name, stream and version into the modulemd file
# so Copr can parse it from there
mmd = self.module.mmd()
mmd.name = str(self.module.name)
mmd.stream = str(self.module.stream)
mmd.version = int(self.module.version)
modulemd = tempfile.mktemp()
mmd.dump(modulemd)
return modulemd
def buildroot_ready(self, artifacts=None):
"""
:param artifacts=None : a list of artifacts supposed to be in the buildroot
(['bash-123-0.el6'])
returns when the buildroot is ready (or contains the specified artifact)
This function is here to ensure that the buildroot (repo) is ready and
contains the listed artifacts if specified.
"""
# @TODO check whether artifacts are in the buildroot (called from repos.py)
return True
def buildroot_add_artifacts(self, artifacts, install=False):
"""
:param artifacts: list of artifacts to be available or installed
(install=False) in the buildroot (e.g list of $NEVRAS)
:param install=False: pre-install artifact in the buildroot (otherwise
"just make it available for install")
Example:
koji tag-build $module-build-tag bash-1.234-1.el6
if install:
koji add-group-pkg $module-build-tag build bash
# This forces install of bash into buildroot and srpm-buildroot
koji add-group-pkg $module-build-tag srpm-build bash
"""
# Install the module-build-macros into the buildroot
# We are using same hack as mock builder does
for artifact in artifacts:
if artifact and artifact.startswith("module-build-macros"):
self._update_chroot(packages=["module-build-macros"])
break
# Start of a new batch of builds is triggered by buildsys.repo.done message.
# However in Copr there is no such thing. Therefore we are going to fake
# the message when builds are finished
from module_build_service.scheduler.consumer import fake_repo_done_message
fake_repo_done_message(self.tag_name)
def buildroot_add_repos(self, dependencies):
log.info("%r adding deps on %r" % (self, dependencies))
# @TODO get architecture from some builder variable
repos = [self._dependency_repo(d, "x86_64") for d in dependencies]
# @FIXME
# Kojipkgs repos have been prematurely disabled without providing any
# suitable alternative for Copr. This is a temporary workaround until
# we figure out how to solve this permanently.
compose = ("https://kojipkgs.fedoraproject.org/compose/"
"latest-Fedora-Modular-{}/compose/Server/x86_64/os/")
# We need to enable copr repositories with modularity DNF
# so we can install modules into the buildroot
copr = ("https://copr-be.cloud.fedoraproject.org/results/"
"@copr/{}/fedora-26-x86_64/")
repos.extend([
compose.format("27"),
compose.format("Rawhide"),
copr.format("dnf-modularity-nightly"),
copr.format("dnf-modularity-buildroot-deps"),
])
self._update_chroot(repos=repos)
def _update_chroot(self, packages=None, repos=None):
request = self.client.get_chroot(self.copr.projectname, self.copr.username, self.chroot)
chroot = request.data["chroot"]
current_packages = (chroot["buildroot_pkgs"] or "").split()
current_repos = (chroot["repos"] or "").split()
def merge(current, new):
current, new = current or [], new or []
return " ".join(set(current + new))
self.client.edit_chroot(self.copr.projectname, self.chroot,
ownername=self.copr.username,
packages=merge(current_packages, packages),
repos=merge(current_repos, repos))
def _dependency_repo(self, module, arch, backend="copr"):
try:
repo = GenericBuilder.tag_to_repo(backend, self.config, module, arch)
return repo
except ValueError:
if backend == "copr":
return self._dependency_repo(module, arch, "koji")
def tag_artifacts(self, artifacts):
pass
def list_tasks_for_components(self, component_builds=None, state='active'):
pass
def build(self, artifact_name, source):
"""
:param artifact_name : A package name. We can't guess it since macros
in the buildroot could affect it, (e.g. software
collections).
:param source : an SCM URL, clearly identifying the build artifact in a
repository
:return 4-tuple of the form (build task id, state, reason, nvr)
The artifact_name parameter is used in koji add-pkg (and it's actually
the only reason why we need to pass it). We don't really limit source
types. The actual source is usually delivered as an SCM URL from
fedmsg.
Example
.build("bash", "git://someurl/bash#damn") #build from SCM URL
.build("bash", "/path/to/srpm.src.rpm") #build from source RPM
"""
log.info("Copr build")
if not self.__prep:
raise RuntimeError("Buildroot is not prep-ed")
# TODO: If we are sure that this method is thread-safe, we can just
# remove _build_lock locking.
with CoprModuleBuilder._build_lock:
# Git sources are treated specially.
if source.startswith(("git://", "http://", "https://")):
response = self.build_scm(source)
else:
response = self.build_srpm(artifact_name, source)
if response.output != "ok":
log.error(response.error)
return response.data["ids"][0], koji.BUILD_STATES["BUILDING"], response.message, None
def build_srpm(self, artifact_name, source, build_id=None):
# Build package from `source`
return self.client.create_new_build(self.copr.projectname, [source],
username=self.copr.username,
chroots=[self.chroot])
def build_scm(self, source):
url, commit = source.split("?#")
url = (url.replace("git://", "https://")
.replace("pkgs.fedoraproject.org", "src.fedoraproject.org/git"))
td = tempfile.mkdtemp()
cod = clone(url, td)
branch = git_branch_contains(cod, commit)
rmdir(cod)
return self.client.create_new_build_distgit(self.copr.projectname, url, branch=branch,
username=self.copr.username,
chroots=[self.chroot])
def finalize(self):
modulemd = self._dump_mmd()
# Create a module from previous project
result = self.client.make_module(username=self.copr.username,
projectname=self.copr.projectname,
modulemd=modulemd, create=False, build=True)
os.remove(modulemd)
if result.output != "ok":
log.error(result.error)
return
log.info(result.message)
log.info(result.data["modulemd"])
@staticmethod
def get_disttag_srpm(disttag, module_build):
# @FIXME
return KojiModuleBuilder.get_disttag_srpm(disttag, module_build)
@property
def module_build_tag(self):
# Workaround koji specific code in modules.py
return {"name": self.tag_name}
@classmethod
def repo_from_tag(cls, config, tag_name, arch):
"""
:param backend: a string representing the backend e.g. 'koji'.
:param config: instance of module_build_service.config.Config
:param tag_name: Tag for which the repository is returned
:param arch: Architecture for which the repository is returned
Returns URL of repository containing the built artifacts for
the tag with particular name and architecture.
"""
# @TODO get the correct user
# @TODO get the correct project
owner, project = "@copr", cls._tag_to_copr_name(tag_name)
# Premise is that tag_name is in name-stream-version format
name, stream, version = tag_name.rsplit("-", 2)
try:
client = cls._get_client(config)
response = client.get_module_repo(owner, project, name, stream, version, arch).data
return response["repo"]
except CoprRequestException as e:
raise ValueError(e)
def cancel_build(self, task_id):
pass
@classmethod
@module_build_service.utils.validate_koji_tag('koji_tag')
def _tag_to_copr_name(cls, koji_tag):
return koji_tag.replace("+", "-")
def clone(url, path):
log.debug('Cloning source URL: %s' % url)
scm = module_build_service.scm.SCM(url)
return scm.checkout(path)
def rmdir(path):
try:
if path is not None:
shutil.rmtree(path)
except Exception as e:
log.warning(
"Failed to remove temporary directory {!r}: {}".format(
path, str(e)))
def git_branch_contains(cod, commit):
cmd = ["git", "branch", "-r", "--contains", commit, "--sort", "-committerdate"]
out, err = execute_cmd(cmd, cwd=cod, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
branch = out.split()[0].split("/")[1]
if " -> " in branch:
branch = branch.split(" -> ")[0]
return branch
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