+ # The data structure used to represent a cloud.
+ # It contains the cloud name, its ip address, image information,
+ # key pairs, and clusters information.
+ cloud = {}
+
+ # The location of the RelaxNG schema.
+ EUCALYPTUS_RSPEC_SCHEMA='/etc/sfa/eucalyptus.rng'
+
+ _inited=False
+
+ # the init_server mechanism has vanished
+ def __init__ (self, config):
+ if AggregateManagerEucalyptus._inited: return
+ AggregateManagerEucalyptus.init_server()
+
+ # Initialize the aggregate manager by reading a configuration file.
+ @staticmethod
+ def init_server():
+ logger = logging.getLogger('EucaAggregate')
+ fileHandler = logging.FileHandler('/var/log/euca.log')
+ fileHandler.setFormatter(logging.Formatter('%(asctime)s - %(levelname)s - %(message)s'))
+ logger.addHandler(fileHandler)
+ fileHandler.setLevel(logging.DEBUG)
+ logger.setLevel(logging.DEBUG)
+
+ configParser = ConfigParser()
+ configParser.read(['/etc/sfa/eucalyptus_aggregate.conf', 'eucalyptus_aggregate.conf'])
+ if len(configParser.sections()) < 1:
+ logger.error('No cloud defined in the config file')
+ raise Exception('Cannot find cloud definition in configuration file.')
+
+ # Only read the first section.
+ cloudSec = configParser.sections()[0]
+ AggregateManagerEucalyptus.cloud['name'] = cloudSec
+ AggregateManagerEucalyptus.cloud['access_key'] = configParser.get(cloudSec, 'access_key')
+ AggregateManagerEucalyptus.cloud['secret_key'] = configParser.get(cloudSec, 'secret_key')
+ AggregateManagerEucalyptus.cloud['cloud_url'] = configParser.get(cloudSec, 'cloud_url')
+ cloudURL = AggregateManagerEucalyptus.cloud['cloud_url']
+ if cloudURL.find('https://') >= 0:
+ cloudURL = cloudURL.replace('https://', '')
+ elif cloudURL.find('http://') >= 0:
+ cloudURL = cloudURL.replace('http://', '')
+ (AggregateManagerEucalyptus.cloud['ip'], parts) = cloudURL.split(':')
+
+ # Create image bundles
+ images = self.getEucaConnection().get_all_images()
+ AggregateManagerEucalyptus.cloud['images'] = images
+ AggregateManagerEucalyptus.cloud['imageBundles'] = {}
+ for i in images:
+ if i.type != 'machine' or i.kernel_id is None: continue
+ name = os.path.dirname(i.location)
+ detail = {'imageID' : i.id, 'kernelID' : i.kernel_id, 'ramdiskID' : i.ramdisk_id}
+ AggregateManagerEucalyptus.cloud['imageBundles'][name] = detail
+
+ # Initialize sqlite3 database and tables.
+ dbPath = '/etc/sfa/db'
+ dbName = 'euca_aggregate.db'
+
+ if not os.path.isdir(dbPath):
+ logger.info('%s not found. Creating directory ...' % dbPath)
+ os.mkdir(dbPath)
+
+ conn = connectionForURI('sqlite://%s/%s' % (dbPath, dbName))
+ sqlhub.processConnection = conn
+ Slice.createTable(ifNotExists=True)
+ EucaInstance.createTable(ifNotExists=True)
+ Meta.createTable(ifNotExists=True)
+
+ # Start the update process to keep track of the meta data
+ # about Eucalyptus instance.
+ Process(target=AggregateManagerEucalyptus.updateMeta).start()
+
+ # Make sure the schema exists.
+ if not os.path.exists(AggregateManagerEucalyptus.EUCALYPTUS_RSPEC_SCHEMA):
+ err = 'Cannot location schema at %s' % AggregateManagerEucalyptus.EUCALYPTUS_RSPEC_SCHEMA
+ logger.error(err)
+ raise Exception(err)
+
+ #
+ # A separate process that will update the meta data.
+ #
+ @staticmethod
+ def updateMeta():
+ logger = logging.getLogger('EucaMeta')
+ fileHandler = logging.FileHandler('/var/log/euca_meta.log')
+ fileHandler.setFormatter(logging.Formatter('%(asctime)s - %(levelname)s - %(message)s'))
+ logger.addHandler(fileHandler)
+ fileHandler.setLevel(logging.DEBUG)
+ logger.setLevel(logging.DEBUG)
+
+ while True:
+ sleep(30)
+
+ # Get IDs of the instances that don't have IPs yet.
+ dbResults = Meta.select(
+ AND(Meta.q.pri_addr == None,
+ Meta.q.state != 'deleted')
+ )
+ dbResults = list(dbResults)
+ logger.debug('[update process] dbResults: %s' % dbResults)
+ instids = []
+ for r in dbResults:
+ if not r.instance:
+ continue
+ instids.append(r.instance.instance_id)
+ logger.debug('[update process] Instance Id: %s' % ', '.join(instids))
+
+ # Get instance information from Eucalyptus
+ conn = self.getEucaConnection()
+ vmInstances = []
+ reservations = conn.get_all_instances(instids)
+ for reservation in reservations:
+ vmInstances += reservation.instances
+
+ # Check the IPs
+ instIPs = [ {'id':i.id, 'pri_addr':i.private_dns_name, 'pub_addr':i.public_dns_name}
+ for i in vmInstances if i.private_dns_name != '0.0.0.0' ]
+ logger.debug('[update process] IP dict: %s' % str(instIPs))
+
+ # Update the local DB
+ for ipData in instIPs:
+ dbInst = EucaInstance.select(EucaInstance.q.instance_id == ipData['id']).getOne(None)
+ if not dbInst:
+ logger.info('[update process] Could not find %s in DB' % ipData['id'])
+ continue
+ dbInst.meta.pri_addr = ipData['pri_addr']
+ dbInst.meta.pub_addr = ipData['pub_addr']
+ dbInst.meta.state = 'running'
+
+ self.dumpinstanceInfo()
+
+ ##
+ # Creates a connection to Eucalytpus. This function is inspired by
+ # the make_connection() in Euca2ools.
+ #
+ # @return A connection object or None
+ #
+ def getEucaConnection():
+ accessKey = AggregateManagerEucalyptus.cloud['access_key']
+ secretKey = AggregateManagerEucalyptus.cloud['secret_key']
+ eucaURL = AggregateManagerEucalyptus.cloud['cloud_url']
+ useSSL = False
+ srvPath = '/'
+ eucaPort = 8773
+ logger = logging.getLogger('EucaAggregate')
+
+ if not accessKey or not secretKey or not eucaURL:
+ logger.error('Please set ALL of the required environment ' \
+ 'variables by sourcing the eucarc file.')
+ return None
+
+ # Split the url into parts
+ if eucaURL.find('https://') >= 0:
+ useSSL = True
+ eucaURL = eucaURL.replace('https://', '')
+ elif eucaURL.find('http://') >= 0:
+ useSSL = False
+ eucaURL = eucaURL.replace('http://', '')
+ (eucaHost, parts) = eucaURL.split(':')
+ if len(parts) > 1:
+ parts = parts.split('/')
+ eucaPort = int(parts[0])
+ parts = parts[1:]
+ srvPath = '/'.join(parts)
+
+ return boto.connect_ec2(aws_access_key_id=accessKey,
+ aws_secret_access_key=secretKey,
+ is_secure=useSSL,
+ region=RegionInfo(None, 'eucalyptus', eucaHost),
+ port=eucaPort,
+ path=srvPath)
+
+ def ListResources(api, creds, options):
+ call_id = options.get('call_id')
+ if Callids().already_handled(call_id): return ""
+ # get slice's hrn from options
+ xrn = options.get('geni_slice_urn', '')
+ hrn, type = urn_to_hrn(xrn)
+ logger = logging.getLogger('EucaAggregate')
+
+ # get hrn of the original caller
+ origin_hrn = options.get('origin_hrn', None)
+ if not origin_hrn:
+ origin_hrn = Credential(string=creds[0]).get_gid_caller().get_hrn()
+
+ conn = self.getEucaConnection()
+
+ if not conn:
+ logger.error('Cannot create a connection to Eucalyptus')
+ return 'Cannot create a connection to Eucalyptus'
+
+ try:
+ # Zones
+ zones = conn.get_all_zones(['verbose'])
+ p = ZoneResultParser(zones)
+ clusters = p.parse()
+ AggregateManagerEucalyptus.cloud['clusters'] = clusters
+
+ # Images
+ images = conn.get_all_images()
+ AggregateManagerEucalyptus.cloud['images'] = images
+ AggregateManagerEucalyptus.cloud['imageBundles'] = {}
+ for i in images:
+ if i.type != 'machine' or i.kernel_id is None: continue
+ name = os.path.dirname(i.location)
+ detail = {'imageID' : i.id, 'kernelID' : i.kernel_id, 'ramdiskID' : i.ramdisk_id}
+ AggregateManagerEucalyptus.cloud['imageBundles'][name] = detail
+
+ # Key Pairs
+ keyPairs = conn.get_all_key_pairs()
+ AggregateManagerEucalyptus.cloud['keypairs'] = keyPairs
+
+ if hrn:
+ instanceId = []
+ instances = []
+
+ # Get the instances that belong to the given slice from sqlite3
+ # XXX use getOne() in production because the slice's hrn is supposed
+ # to be unique. For testing, uniqueness is turned off in the db.
+ # If the slice isn't found in the database, create a record for the
+ # slice.
+ matchedSlices = list(Slice.select(Slice.q.slice_hrn == hrn))
+ if matchedSlices:
+ theSlice = matchedSlices[-1]
+ else:
+ theSlice = Slice(slice_hrn = hrn)
+ for instance in theSlice.instances:
+ instanceId.append(instance.instance_id)
+
+ # Get the information about those instances using their ids.
+ if len(instanceId) > 0:
+ reservations = conn.get_all_instances(instanceId)
+ else:
+ reservations = []
+ for reservation in reservations:
+ for instance in reservation.instances:
+ instances.append(instance)
+
+ # Construct a dictionary for the EucaRSpecBuilder
+ instancesDict = {}
+ for instance in instances:
+ instList = instancesDict.setdefault(instance.instance_type, [])
+ instInfoDict = {}
+
+ instInfoDict['id'] = instance.id
+ instInfoDict['public_dns'] = instance.public_dns_name
+ instInfoDict['state'] = instance.state
+ instInfoDict['key'] = instance.key_name
+
+ instList.append(instInfoDict)
+ AggregateManagerEucalyptus.cloud['instances'] = instancesDict
+
+ except EC2ResponseError, ec2RespErr:
+ errTree = ET.fromstring(ec2RespErr.body)
+ errMsgE = errTree.find('.//Message')
+ logger.error(errMsgE.text)
+
+ rspec = EucaRSpecBuilder(AggregateManagerEucalyptus.cloud).toXML()
+
+ # Remove the instances records so next time they won't
+ # show up.
+ if 'instances' in AggregateManagerEucalyptus.cloud:
+ del AggregateManagerEucalyptus.cloud['instances']
+
+ return rspec
+
+ """
+ Hook called via 'sfi.py create'
+ """
+ def CreateSliver(api, slice_xrn, creds, xml, users, options):
+ call_id = options.get('call_id')
+ if Callids().already_handled(call_id): return ""
+
+ logger = logging.getLogger('EucaAggregate')
+ logger.debug("In CreateSliver")
+
+ aggregate = PlAggregate(self.driver)
+ slices = PlSlices(self.driver)
+ (hrn, type) = urn_to_hrn(slice_xrn)
+ peer = slices.get_peer(hrn)
+ sfa_peer = slices.get_sfa_peer(hrn)
+ slice_record=None
+ if users:
+ slice_record = users[0].get('slice_record', {})
+
+ conn = self.getEucaConnection()
+ if not conn:
+ logger.error('Cannot create a connection to Eucalyptus')
+ return ""
+
+ # Validate RSpec
+ schemaXML = ET.parse(AggregateManagerEucalyptus.EUCALYPTUS_RSPEC_SCHEMA)
+ rspecValidator = ET.RelaxNG(schemaXML)
+ rspecXML = ET.XML(xml)
+ for network in rspecXML.iterfind("./network"):
+ if network.get('name') != AggregateManagerEucalyptus.cloud['name']:
+ # Throw away everything except my own RSpec
+ # sfa_logger().error("CreateSliver: deleting %s from rspec"%network.get('id'))
+ network.getparent().remove(network)
+ if not rspecValidator(rspecXML):
+ error = rspecValidator.error_log.last_error
+ message = '%s (line %s)' % (error.message, error.line)
+ raise InvalidRSpec(message)
+
+ """
+ Create the sliver[s] (slice) at this aggregate.
+ Verify HRN and initialize the slice record in PLC if necessary.
+ """
+
+ # ensure site record exists
+ site = slices.verify_site(hrn, slice_record, peer, sfa_peer)
+ # ensure slice record exists
+ slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer)
+ # ensure person records exists
+ persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
+
+ # Get the slice from db or create one.
+ s = Slice.select(Slice.q.slice_hrn == hrn).getOne(None)
+ if s is None:
+ s = Slice(slice_hrn = hrn)
+
+ # Process any changes in existing instance allocation
+ pendingRmInst = []
+ for sliceInst in s.instances:
+ pendingRmInst.append(sliceInst.instance_id)
+ existingInstGroup = rspecXML.findall(".//euca_instances")
+ for instGroup in existingInstGroup:
+ for existingInst in instGroup:
+ if existingInst.get('id') in pendingRmInst:
+ pendingRmInst.remove(existingInst.get('id'))
+ for inst in pendingRmInst:
+ dbInst = EucaInstance.select(EucaInstance.q.instance_id == inst).getOne(None)
+ if dbInst.meta.state != 'deleted':
+ logger.debug('Instance %s will be terminated' % inst)
+ # Terminate instances one at a time for robustness
+ conn.terminate_instances([inst])
+ # Only change the state but do not remove the entry from the DB.
+ dbInst.meta.state = 'deleted'
+ #dbInst.destroySelf()
+
+ # Process new instance requests
+ requests = rspecXML.findall(".//request")
+ if requests:
+ # Get all the public keys associate with slice.
+ keys = []
+ for user in users:
+ keys += user['keys']
+ logger.debug("Keys: %s" % user['keys'])
+ pubKeys = '\n'.join(keys)
+ logger.debug('Passing the following keys to the instance:\n%s' % pubKeys)
+ for req in requests:
+ vmTypeElement = req.getparent()
+ instType = vmTypeElement.get('name')
+ numInst = int(req.find('instances').text)
+
+ bundleName = req.find('bundle').text
+ if not AggregateManagerEucalyptus.cloud['imageBundles'][bundleName]:
+ logger.error('Cannot find bundle %s' % bundleName)
+ bundleInfo = AggregateManagerEucalyptus.cloud['imageBundles'][bundleName]
+ instKernel = bundleInfo['kernelID']
+ instDiskImg = bundleInfo['imageID']
+ instRamDisk = bundleInfo['ramdiskID']
+ instKey = None
+
+ # Create the instances
+ for i in range(0, numInst):
+ eucaInst = EucaInstance(slice = s,
+ kernel_id = instKernel,
+ image_id = instDiskImg,
+ ramdisk_id = instRamDisk,
+ key_pair = instKey,
+ inst_type = instType,
+ meta = Meta(start_time=datetime.datetime.now()))
+ eucaInst.reserveInstance(conn, pubKeys)
+
+ # xxx - should return altered rspec
+ # with enough data for the client to understand what's happened
+ return xml
+
+ ##
+ # Return information on the IP addresses bound to each slice's instances
+ #
+ def dumpInstanceInfo():
+ logger = logging.getLogger('EucaMeta')
+ outdir = "/var/www/html/euca/"
+ outfile = outdir + "instances.txt"
+
+ try:
+ os.makedirs(outdir)
+ except OSError, e:
+ if e.errno != errno.EEXIST:
+ raise
+
+ dbResults = Meta.select(
+ AND(Meta.q.pri_addr != None,
+ Meta.q.state == 'running')
+ )
+ dbResults = list(dbResults)
+ f = open(outfile, "w")
+ for r in dbResults:
+ instId = r.instance.instance_id
+ ipaddr = r.pri_addr
+ hrn = r.instance.slice.slice_hrn
+ logger.debug('[dumpInstanceInfo] %s %s %s' % (instId, ipaddr, hrn))
+ f.write("%s %s %s\n" % (instId, ipaddr, hrn))
+ f.close()
+
+ def GetVersion(api, options):
+
+ version_manager = VersionManager()
+ ad_rspec_versions = []
+ request_rspec_versions = []
+ for rspec_version in version_manager.versions:
+ if rspec_version.content_type in ['*', 'ad']:
+ ad_rspec_versions.append(rspec_version.to_dict())
+ if rspec_version.content_type in ['*', 'request']:
+ request_rspec_versions.append(rspec_version.to_dict())
+ xrn=Xrn(api.hrn)
+ version_more = {'interface':'aggregate',
+ 'sfa': 1,
+ 'geni_api': '2',
+ 'testbed':'myplc',
+ 'hrn':xrn.get_hrn(),
+ 'geni_request_rspec_versions': request_rspec_versions,
+ 'geni_ad_rspec_versions': ad_rspec_versions,
+ }
+ return version_core(version_more)
git://git.onelab.eu / sfa.git / blobdiff