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jenkins.py
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jenkins.py
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#!/usr/bin/env python3
# -*- coding: utf-8; -*-
import time
import requests
from requests import HTTPError
from requests.compat import quote
from requests.auth import HTTPBasicAuth
#-----------------------------------------------------------------------------
__all__ = 'Job', 'Jenkins', 'Server', 'JenkinsError', 'Build', 'View'
#-----------------------------------------------------------------------------
class Job(object):
'''Represents a Jenkins job.'''
__slots__ = 'name', 'server'
def __init__(self, name, server):
self.name = name
self.server = server
def __str__(self):
return 'job:%r' % (self.name)
def __repr__(self):
cls = self.__class__.__name__
return '%s(%r)' % (cls, self.name)
def _not_exist_raise(self):
if not self.exists:
raise JenkinsError('job "%s" does not exist' % self.name)
def delete(self):
'''Permanently remove job.'''
self._not_exist_raise()
url = 'job/%s/doDelete' % quote(self.name)
res = self.server.post(url, throw=False)
if self.exists:
raise JenkinsError('delete of job "%s" failed' % self.name)
return res
def enable(self):
'''Enable job.'''
self._not_exist_raise()
url = 'job/%s/enable' % quote(self.name)
return self.server.post(url)
def disable(self):
'''Disable job.'''
self._not_exist_raise()
url = 'job/%s/disable' % quote(self.name)
return self.server.post(url)
def build(self, parameters=None, token=None):
'''Trigger a build.'''
self._not_exist_raise()
params = {}
if token:
params['token'] = token
if parameters:
params.update(parameters)
url = 'job/%s/buildWithParameters' % self.name
else:
url = 'job/%s/build' % self.name
return self.server.post(url, params=params)
def reconfigure(self, newconfig):
'''Update the config.xml of an existing job.'''
self._not_exist_raise()
url = 'job/%s/config.xml' % self.name
headers = {'Content-Type': 'text/xml'}
params = {'name': self.name}
return self.server.post(url, data=newconfig, params=params, headers=headers)
@property
def enabled(self):
return '<disabled>false</disabled>' in self.config
@property
def exists(self):
'''Check if job exists.'''
try:
self.info
return True
except HTTPError as e:
if e.response.status_code == 404:
return False
raise
except JenkinsError:
return False
@property
def info(self):
url = 'job/%s/api/json?depth=0' % quote(self.name)
err = 'job "%s" does not exist' % self.name
return self.server.json(url, errmsg=err)
@property
def config(self):
url = 'job/%s/config.xml' % quote(self.name)
res = self.server.get(url)
if res.status_code != 200 or res.headers.get('content-type', '') != 'application/xml':
msg = 'fetching configuration for job "%s" did not return an xml document'
raise JenkinsError(msg % self.name)
return res.text
@config.setter
def config(self, newconfig):
self.reconfigure(newconfig)
@property
def config_etree(self):
# The cost of `'lxml' in sys.modules' is negligible and is
# preferable to having a hard dependency on lxml.
from lxml import etree
return etree.fromstring(self.config.encode('utf8'))
@config_etree.setter
def config_etree(self, newconfig):
newconfig = newconfig.tostring(etree)
self.reconfigure(newconfig)
@property
def builds(self):
return [Build(self, i['number']) for i in self.info['builds']]
def __last_build_helper(self, path):
url = 'job/%s/%s/api/json' % (quote(self.name), path)
res = self.server.json(url)
return Build(self, res['number'])
@property
def last_build(self):
return self.__last_build_helper('lastBuild')
@property
def last_stable_build(self):
return self.__last_build_helper('lastStableBuild')
@property
def last_successful_build(self):
return self.__last_build_helper('lastSuccessfulBuild')
@property
def buildnumbers(self):
return [i['number'] for i in self.info['builds']]
@classmethod
def create(cls, name, configxml, server):
'''Create a new Jenkins job.'''
job = cls(name, server)
if job.exists:
raise JenkinsError('job "%s" already exists' % name)
headers = {'Content-Type': 'text/xml'}
params = {'name': name}
res = server.post('createItem', data=configxml, params=params, headers=headers, throw=False)
if not res or res.status_code != 200:
raise JenkinsError('create "%s" failed' % name)
else:
res.raise_for_status()
# if not job.exists:
# raise JenkinsError('create "%s" failed' % name, url=res.url)
@classmethod
def copy(cls, source, dest, server):
'''Copy a Jenkins job.'''
job = cls(source, server)
newjob = cls(dest, server)
if newjob.exists:
raise JenkinsError('job "%s" already exists' % dest)
if not job.exists:
raise JenkinsError('job "%s" does not exist' % source)
headers = {'Content-Type': 'text/xml'}
params = {'name': dest, 'mode': 'copy', 'from': source}
res = server.post('createItem', params=params, headers=headers)
if not newjob.exists:
msg = 'could not copy job "%s" to "%s"'
raise JenkinsError(msg % (source, dest))
return newjob
#-----------------------------------------------------------------------------
class View(object):
'''Represents a Jenkins view.'''
__slots__ = 'name', 'server'
def __init__(self, name, server):
self.name = name
self.server = server
def __str__(self):
return 'view:%r' % self.name
def __repr__(self):
cls = self.__class__.__name__
return '%s(%r)' % (cls, self.name)
def _not_exist_raise(self):
if not self.exists:
raise JenkinsError('view "%s" does not exist' % self.name)
@property
def exists(self):
'''Check if view exists.'''
try:
self.info
return True
except HTTPError as e:
if e.response.status_code == 404:
return False
raise
except JenkinsError:
return False
@property
def info(self):
url = 'view/%s/api/json?depth=0' % quote(self.name)
err = 'view "%s" does not exist' % self.name
return self.server.json(url, errmsg=err)
@property
def config(self):
url = 'view/%s/config.xml' % quote(self.name)
res = self.server.get(url)
if res.status_code != 200 or res.headers.get('content-type', '') != 'application/xml':
msg = 'fetching configuration for view "%s" did not return an xml document'
raise JenkinsError(msg % self.name)
return res.text
@config.setter
def config(self, newconfig):
self.reconfigure(newconfig)
@property
def config_etree(self):
# The cost of `'lxml' in sys.modules' is negligible and is
# preferable to having a hard dependency on lxml.
from lxml import etree
return etree.fromstring(self.config.encode('utf8'))
@config_etree.setter
def config_etree(self, newconfig):
newconfig = newconfig.tostring(etree)
self.reconfigure(newconfig)
def delete(self):
'''Permanently remove view.'''
self._not_exist_raise()
url = 'view/%s/doDelete' % quote(self.name)
res = self.server.post(url, throw=False)
if self.exists:
raise JenkinsError('delete of view "%s" failed' % self.name)
return res
def reconfigure(self, newconfig):
'''Update the config.xml of an existing view.'''
self._not_exist_raise()
url = 'view/%s/config.xml' % self.name
headers = {'Content-Type': 'text/xml'}
params = {'name': self.name}
return self.server.post(url, data=newconfig, params=params, headers=headers)
def remove_job(self, job):
'''Remove job from view.'''
if not self.exists:
raise JenkinsError('view "%s" does not exist' % self.name)
if not job.exists:
raise JenkinsError('job "%s" does not exist' % job.name)
url = 'view/%s/removeJobFromView' % self.name
params = {'name': job.name}
res = self.server.post(url, params=params)
if not res.status_code == 200:
msg = 'could not remove job "%s" from view "%s"'
raise JenkinsError(msg % (job.name, self.name))
def add_job(self, job):
'''Add job to the view.'''
if not self.exists:
raise JenkinsError('view "%s" does not exist' % self.name)
if not job.exists:
raise JenkinsError('job "%s" does not exist' % job.name)
url = 'view/%s/addJobToView' % self.name
params = {'name': job.name}
res = self.server.post(url, params=params)
if not res.status_code == 200:
msg = 'could not add job "%s" to view "%s"'
raise JenkinsError(msg % (job.name, self.name))
def has_job(self, job):
'''Check if view contains job.'''
config = self.config_etree
jobs = config.xpath('jobNames/string/text()')
job = getattr(job, 'name', job)
return job in jobs
def __contains__(self, job):
return self.has_job(job)
@classmethod
def create(cls, name, configxml, server):
'''Create a new Jenkins view.'''
view = cls(name, server)
if view.exists:
raise JenkinsError('view "%s" already exists' % name)
headers = {'Content-Type': 'text/xml'}
params = {'name': name}
res = server.post('createView', data=configxml, params=params, headers=headers, throw=False)
if not res or res.status_code != 200:
raise JenkinsError('create "%s" failed' % name)
else:
res.raise_for_status()
#-----------------------------------------------------------------------------
class Build(object):
'''Represents a Jenkins build.'''
__slots__ = 'job', 'number'
def __init__(self, job, number):
self.job = job
self.number = number
@property
def info(self):
'''Get information about this build.'''
url = 'job/%s/%d/api/json' % (self.job.name, self.number)
return self.job.server.json(url, 'unable to retrieve info')
@property
def building(self):
return self.info['building']
def __repr__(self):
cls = self.__class__.__name__
return '%s(%r, %r)' % (cls, self.job, self.number)
def stop(self):
url = 'job/%s/%d/stop' % (self.job.name, self.number)
return self.job.server.post(url)
def wait(self, tick=1, timeout=None):
'''Wait for build to complete.'''
start = time.time()
while self.building:
time.sleep(tick)
if timeout and (time.time() - start) > timeout:
break
#-----------------------------------------------------------------------------
class Server(object):
def __init__(self, url, username=None, password=None):
self.url = url if url.endswith('/') else url + '/'
self.auth = HTTPBasicAuth(username, password) if username else None
def __repr__(self):
cls = self.__class__.__name__
return '%s(%s)' % (cls, self.url)
def urljoin(self, *args):
return '%s%s' % (self.url, '/'.join(args))
def post(self, url, throw=True, **kw):
res = requests.post(self.urljoin(url), auth=self.auth, **kw)
throw and res.raise_for_status()
return res
def get(self, url, throw=True, **kw):
res = requests.get(self.urljoin(url), auth=self.auth, **kw)
throw and res.raise_for_status()
return res
def json(self, url, errmsg=None, throw=True, **kw):
url = self.urljoin(url)
try:
res = requests.get(url, auth=self.auth, **kw)
throw and res.raise_for_status()
if not res:
raise JenkinsError(errmsg)
return res.json()
except ValueError:
raise JenkinsError('unparsable json response')
#-----------------------------------------------------------------------------
class Jenkins(object):
def __init__(self, url, username=None, password=None):
'''Create handle to Jenkins instance.'''
self.server = Server(url, username, password)
self.url = self.server.url
def __repr__(self):
cls = self.__class__.__name__
return '%s(%r)' % (cls, self.url)
@property
def info(self):
'''Get information about this Jenkins instance.'''
url = 'api/json'
res = self.server.json(url, 'unable to retrieve info')
return res
@property
def jobs(self):
return [Job(i['name'], self.server) for i in self.info['jobs']]
@property
def jobnames(self):
return [i['name'] for i in self.info['jobs']]
#-------------------------------------------------------------------------
# alternative job, view and build api
def job(self, name):
return Job(name, self.server)
def view(self, name):
return View(name, self.server)
def build(self, name, number):
name = name.name if isinstance(name, Job) else name
return Build(name, number)
#-------------------------------------------------------------------------
def job_info(self, name):
return self.job(name).info
def job_exists(self, name):
return self.job(name).exists
def job_delete(self, name):
return self.job(name).delete()
def job_enable(self, name):
return self.job(name).enable()
def job_disable(self, name):
return self.job(name).disable()
def job_enabled(self, name):
return self.job(name).enabled
def job_config(self, name):
return self.job(name).config
def job_reconfigure(self, name, newconfig):
job = self.job(name)
job.config = newconfig
return job
def job_config_etree(self, name):
return self.job(name).config_etree
def job_reconfigure_etree(self, name, newconfig):
job = self.job(name)
job.config_etree = newconfig
return job
def job_build(self, name, parameters=None, token=None):
return self.job(name).build(parameters, token)
def job_builds(self, name):
return self.job(name).builds
def job_last_build(self, name):
return self.job(name).last_build
def job_last_stable_build(self, name):
return self.job(name).last_stable_build
def job_last_successful_build(self, name):
return self.job(name).last_successful_build
def job_create(self, name, config):
return Job.create(name, config, self.server)
def job_copy(self, source, dest):
return Job.copy(source, dest, self.server)
#-------------------------------------------------------------------------
def build_info(self, job, number):
return self.build(job, number).info
def build_isbuilding(self, job, number):
return self.build(job, number).building
def build_stop(self, job, number):
return self.build(job, number).stop()
def build_wait(self, job, number, interval=1, timeout=None):
return self.build(job, number).wait()
#-------------------------------------------------------------------------
def view_exists(self, name):
return self.view(name).exists
def view_config(self, name):
return self.view(name).config
def view_reconfigure(self, name, newconfig):
view = self.view(name)
view.config = newconfig
return view
def view_config_etree(self, name):
return self.view(name).config_etree
def view_delete(self, name):
return self.view(name).delete()
def view_reconfigure_etree(self, name, newconfig):
view = self.view(name)
view.config_etree = newconfig
return view
def view_add_job(self, name, job_name):
job = self.job(job_name)
return self.view(name).add_job(job)
def view_has_job(self, name, job_name):
job = self.job(job_name)
return self.view(name).has_job(job)
def view_remove_job(self, name, job_name):
job = self.job(job_name)
return self.view(name).remove_job(job)
def view_create(self, name, config):
return View.create(name, config, self.server)
job_exists.__doc__ = Job.exists.__doc__
job_delete.__doc__ = Job.delete.__doc__
job_enable.__doc__ = Job.enable.__doc__
job_disable.__doc__ = Job.disable.__doc__
job_reconfigure.__doc__ = Job.reconfigure.__doc__
job_build.__doc__ = Job.build.__doc__
job_create.__doc__ = Job.create.__doc__
job_copy.__doc__ = Job.copy.__doc__
build_stop.__doc__ = Build.stop.__doc__
build_wait.__doc__ = Build.wait.__doc__
view_exists.__doc__ = View.exists.__doc__
view_add_job.__doc__ = View.add_job.__doc__
view_remove_job.__doc__ = View.remove_job.__doc__
view_create.__doc__ = View.create.__doc__
view_delete.__doc__ = View.delete.__doc__
view_has_job.__doc__ = View.has_job.__doc__
#-----------------------------------------------------------------------------
class JenkinsError(Exception):
'''Exception type for Jenkins-API related failures.'''
def __init__(self, msg):
super(JenkinsError, self).__init__(msg)
self.msg = msg
#-----------------------------------------------------------------------------
# uncomment to enable http logging
# try:
# import logging, httplib
# httplib.HTTPConnection.debuglevel = 1
# except ImportError:
# import logging, http.client
# http.client.HTTPConnection.debuglevel = 1
# logging.basicConfig()
# logging.getLogger().setLevel(logging.DEBUG)
# requests_log = logging.getLogger('requests.packages.urllib3')
# requests_log.setLevel(logging.DEBUG)
# requests_log.propagate = True