X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fmanagers%2Faggregate_manager_eucalyptus.py;h=552f544690347f7df230514631e47e5010a18e5f;hb=b6de9285a970eccb9658a0078c49f76fb11af7cd;hp=dd15377b0d6b92d30a201c7d84582dd7f6edaeef;hpb=cd4a3a1f909aca582912bbd6c4a79418f609df80;p=sfa.git diff --git a/sfa/managers/aggregate_manager_eucalyptus.py b/sfa/managers/aggregate_manager_eucalyptus.py index dd15377b..552f5446 100644 --- a/sfa/managers/aggregate_manager_eucalyptus.py +++ b/sfa/managers/aggregate_manager_eucalyptus.py @@ -1,88 +1,101 @@ from __future__ import with_statement -from sfa.util.faults import * -from sfa.util.namespace import * -from sfa.util.rspec import RSpec -from sfa.server.registry import Registries -from sfa.plc.nodes import * + +import sys +import os, errno +import logging +import datetime +from multiprocessing import Process +from time import sleep import boto from boto.ec2.regioninfo import RegionInfo from boto.exception import EC2ResponseError from ConfigParser import ConfigParser from xmlbuilder import XMLBuilder -from xml.etree import ElementTree as ET - -import sys -import os - -# The data structure used to represent a cloud. -# It contains the cloud name, its ip address, image information, -# key pairs, and clusters information. -cloud = {} +from lxml import etree as ET +from sqlobject import * + +from sfa.util.faults import InvalidRSpec +from sfa.util.xrn import urn_to_hrn, Xrn +from sfa.util.plxrn import hrn_to_pl_slicename, slicename_to_hrn +from sfa.util.callids import Callids +#comes with its own logging +#from sfa.util.sfalogging import logger +from sfa.util.version import version_core +from sfa.trust.credential import Credential +from sfa.plc.plaggregate import PlAggregate +# No Slice symbol in there +#from sfa.plc.plslices import Slice, Slices +from sfa.plc.plslices import PlSlices +from sfa.rspecs.version_manager import VersionManager +from sfa.rspecs.rspec import RSpec +# not sure what this used to be nor where it is now defined +#from sfa.rspecs.sfa_rspec import sfa_rspec_version +# most likely this should now be +#from sfa.rspecs.version_manager import VersionManager ## -# Initialize the aggregate manager by reading a configuration file. +# Meta data of an instance. # -def init_server(): - configParser = ConfigParser() - configParser.read(['/etc/sfa/eucalyptus_aggregate.conf', 'eucalyptus_aggregate.conf']) - if len(configParser.sections()) < 1: - print >>sys.stderr, 'No cloud defined in the config file' - raise 'Cannot find cloud definition in configuration file.' - - # Only read the first section. - cloudSec = configParser.sections()[0] - cloud['name'] = cloudSec - cloud['access_key'] = configParser.get(cloudSec, 'access_key') - cloud['secret_key'] = configParser.get(cloudSec, 'secret_key') - cloud['cloud_url'] = configParser.get(cloudSec, 'cloud_url') - cloudURL = cloud['cloud_url'] - if cloudURL.find('https://') >= 0: - cloudURL = cloudURL.replace('https://', '') - elif cloudURL.find('http://') >= 0: - cloudURL = cloudURL.replace('http://', '') - (cloud['ip'], parts) = cloudURL.split(':') +class Meta(SQLObject): + instance = SingleJoin('EucaInstance') + state = StringCol(default = 'new') + pub_addr = StringCol(default = None) + pri_addr = StringCol(default = None) + start_time = DateTimeCol(default = None) ## -# Creates a connection to Eucalytpus. This function is inspired by -# the make_connection() in Euca2ools. +# A representation of an Eucalyptus instance. This is a support class +# for instance <-> slice mapping. # -# @return A connection object or None +class EucaInstance(SQLObject): + instance_id = StringCol(unique=True, default=None) + kernel_id = StringCol() + image_id = StringCol() + ramdisk_id = StringCol() + inst_type = StringCol() + key_pair = StringCol() + slice = ForeignKey('Slice') + meta = ForeignKey('Meta') + + ## + # Contacts Eucalyptus and tries to reserve this instance. + # + # @param botoConn A connection to Eucalyptus. + # @param pubKeys A list of public keys for the instance. + # + def reserveInstance(self, botoConn, pubKeys): + logger = logging.getLogger('EucaAggregate') + logger.info('Reserving an instance: image: %s, kernel: ' \ + '%s, ramdisk: %s, type: %s, key: %s' % \ + (self.image_id, self.kernel_id, self.ramdisk_id, + self.inst_type, self.key_pair)) + + try: + reservation = botoConn.run_instances(self.image_id, + kernel_id = self.kernel_id, + ramdisk_id = self.ramdisk_id, + instance_type = self.inst_type, + key_name = self.key_pair, + user_data = pubKeys) + for instance in reservation.instances: + self.instance_id = instance.id + + # If there is an error, destroy itself. + except EC2ResponseError, ec2RespErr: + errTree = ET.fromstring(ec2RespErr.body) + msg = errTree.find('.//Message') + logger.error(msg.text) + self.destroySelf() + +## +# A representation of a PlanetLab slice. This is a support class +# for instance <-> slice mapping. # -def getEucaConnection(): - global cloud - accessKey = cloud['access_key'] - secretKey = cloud['secret_key'] - eucaURL = cloud['cloud_url'] - useSSL = False - srvPath = '/' - eucaPort = 8773 - - if not accessKey or not secretKey or not eucaURL: - print >>sys.stderr, '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) +class Slice(SQLObject): + slice_hrn = StringCol() + #slice_index = DatabaseIndex('slice_hrn') + instances = MultipleJoin('EucaInstance') ## # A class that builds the RSpec for Eucalyptus. @@ -94,31 +107,79 @@ class EucaRSpecBuilder(object): # @param cloud A dictionary containing data about a # cloud (ex. clusters, ip) def __init__(self, cloud): - self.eucaRSpec = XMLBuilder() + self.eucaRSpec = XMLBuilder(format = True, tab_step = " ") self.cloudInfo = cloud ## - # Creates the ClusterSpec stanza. + # Creates a request stanza. + # + # @param num The number of instances to create. + # @param image The disk image id. + # @param kernel The kernel image id. + # @param keypair Key pair to embed. + # @param ramdisk Ramdisk id (optional). + # + def __requestXML(self, num, image, kernel, keypair, ramdisk = ''): + xml = self.eucaRSpec + with xml.request: + with xml.instances: + xml << str(num) + with xml.kernel_image(id=kernel): + xml << '' + if ramdisk == '': + with xml.ramdisk: + xml << '' + else: + with xml.ramdisk(id=ramdisk): + xml << '' + with xml.disk_image(id=image): + xml << '' + with xml.keypair: + xml << keypair + + ## + # Creates the cluster stanza. # # @param clusters Clusters information. # def __clustersXML(self, clusters): + cloud = self.cloudInfo xml = self.eucaRSpec + for cluster in clusters: instances = cluster['instances'] - with xml.ClusterSpec(id=cluster['name'], ip=cluster['ip']): - for inst in instances: - with xml.Node(instanceType=inst[0]): - with xml.FreeSlot: - xml << str(inst[1]) - with xml.MaxAllow: - xml << str(inst[2]) - with xml.NumCore: - xml << str(inst[3]) - with xml.Mem: - xml << str(inst[4]) - with xml.DiskSpace(unit='GB'): - xml << str(inst[5]) + with xml.cluster(id=cluster['name']): + with xml.ipv4: + xml << cluster['ip'] + with xml.vm_types: + for inst in instances: + with xml.vm_type(name=inst[0]): + with xml.free_slots: + xml << str(inst[1]) + with xml.max_instances: + xml << str(inst[2]) + with xml.cores: + xml << str(inst[3]) + with xml.memory(unit='MB'): + xml << str(inst[4]) + with xml.disk_space(unit='GB'): + xml << str(inst[5]) + if 'instances' in cloud and inst[0] in cloud['instances']: + existingEucaInstances = cloud['instances'][inst[0]] + with xml.euca_instances: + for eucaInst in existingEucaInstances: + with xml.euca_instance(id=eucaInst['id']): + with xml.state: + xml << eucaInst['state'] + with xml.public_dns: + xml << eucaInst['public_dns'] + + def __imageBundleXML(self, bundles): + xml = self.eucaRSpec + with xml.bundles: + for bundle in bundles.keys(): + with xml.bundle(id=bundle): + xml << '' ## # Creates the Images stanza. @@ -127,14 +188,14 @@ class EucaRSpecBuilder(object): # def __imagesXML(self, images): xml = self.eucaRSpec - with xml.Images: + with xml.images: for image in images: - with xml.Image(id=image.id): - with xml.Type: + with xml.image(id=image.id): + with xml.type: xml << image.type - with xml.Arch: + with xml.arch: xml << image.architecture - with xml.State: + with xml.state: xml << image.state with xml.location: xml << image.location @@ -146,40 +207,30 @@ class EucaRSpecBuilder(object): # def __keyPairsXML(self, keypairs): xml = self.eucaRSpec - with xml.KeyPairs: + with xml.keypairs: for key in keypairs: - with xml.Key: + with xml.keypair: xml << key.name ## # Generates the RSpec. # def toXML(self): + logger = logging.getLogger('EucaAggregate') if not self.cloudInfo: - print >>sys.stderr, 'No cloud information' + logger.error('No cloud information') return '' xml = self.eucaRSpec cloud = self.cloudInfo - with xml.RSpec(name='eucalyptus'): - with xml.Capacity: - with xml.CloudSpec(id=cloud['name'], ip=cloud['ip']): - self.__keyPairsXML(cloud['keypairs']) - self.__imagesXML(cloud['images']) - self.__clustersXML(cloud['clusters']) - with xml.Request: - with xml.CloudSpec(id=cloud['name'], ip=cloud['ip']): - with xml.Credential(type='X509'): - xml << 'cred' - with xml.Node(instanceType='m1.small', number='1'): - with xml.Kernel: - xml << 'eki-F26610C6' - with xml.Ramdisk: - xml << '' - with xml.DiskImage: - xml << 'emi-88760F45' - with xml.Key: - xml << 'cortex' + with xml.RSpec(type='eucalyptus'): + with xml.network(name=cloud['name']): + with xml.ipv4: + xml << cloud['ip'] + #self.__keyPairsXML(cloud['keypairs']) + #self.__imagesXML(cloud['images']) + self.__imageBundleXML(cloud['imageBundles']) + self.__clustersXML(cloud['clusters']) return str(xml) ## @@ -222,53 +273,432 @@ class ZoneResultParser(object): return clusterList -def get_rspec(api, xrn, origin_hrn): - global cloud - hrn = urn_to_hrn(xrn)[0] - conn = getEucaConnection() - - if not conn: - print >>sys.stderr, 'Error: Cannot make a connection to the cloud' - return '' - - try: - # Zones - zones = conn.get_all_zones(['verbose']) - p = ZoneResultParser(zones) - clusters = p.parse() - cloud['clusters'] = clusters - - # Images - images = conn.get_all_images() - cloud['images'] = images - - # Key Pairs - keyPairs = conn.get_all_key_pairs() - cloud['keypairs'] = keyPairs - except EC2ResponseError: - errTree = ET.fromstring(EC2ResponseError.body) - errMsgE = errTree.find('.//Message') - print >>sys.stderr, errMsgE.text - - rspec = EucaRSpecBuilder(cloud).toXML() - - return rspec - -""" -Hook called via 'sfi.py create' -""" -def create_slice(api, xrn, xml): - hrn = urn_to_hrn(xrn)[0] - return True - -def main(): - #r = RSpec() - #r.parseFile(sys.argv[1]) - #rspec = r.toDict() - #create_slice(None,'plc',rspec) - rspec = get_rspec('euca', 'hrn:euca', 'oring_hrn') - print rspec - -if __name__ == "__main__": - main() +class AggregateManagerEucalyptus: + # 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)