Exemple #1
0
def add(caller_id, name, memory, cpu, description, points, ec2name):
    """
    Creates and saves new VM Template.

    @cmview_admin_cm
    @param_post{name,string}
    @param_post{memory,int}
    @param_post{cpu,int}
    @param_post{description,string}
    @param_post{points,int}
    @param_post{ec2name,string} name for EC2 interface
    """

    try:
        template = Template()
        template.name = name
        template.memory = memory
        template.cpu = cpu
        template.description = description
        template.points = points
        template.ec2name = ec2name
        template.state = template_states['active']
        template.save()

    except:
        raise CMException('template_create')
Exemple #2
0
def check_resources(caller_id, count, head_template_id, template_id):
    """
    Checks if there is enough resources to start a farm
    @decoratedby{src.cm.utils.decorators.user_log}

    @parameter{id,int}
    @parameter{data,dict}

    @response{Boolean}
    """

    head_template = Template.get(head_template_id)
    wn_template = Template.get(template_id)
    available = 0
    for node in list(Node.objects.filter(state=node_states['ok'])):
        available += node.cpu_free / wn_template.cpu

    resp = False
    if available >= count + 1:
        resp = True

    return resp
Exemple #3
0
def check_resources(caller_id, count, head_template_id, template_id):
    """
    Checks if there is enough resources to start a farm

    @cmview_user
    @param_post{count,int}
    @param_post{head_template_id,int}
    @param_post{template_id,int}

    @response{Boolean}
    """

    wn_template = Template.get(template_id)
    available = 0
    for node in list(Node.objects.filter(state=node_states['ok'])):
        available += node.cpu_free / wn_template.cpu

    return available >= count
Exemple #4
0
def check_resources(caller_id, count, head_template_id, template_id):
    """
    Checks if there is enough resources to start a farm

    @cmview_user
    @param_post{count,int}
    @param_post{head_template_id,int}
    @param_post{template_id,int}

    @response{Boolean}
    """

    wn_template = Template.get(template_id)
    available = 0
    for node in list(Node.objects.filter(state=node_states['ok'])):
        available += node.cpu_free / wn_template.cpu

    return available >= count
Exemple #5
0
def add(caller_id, name, memory, cpu, description, points, ec2name):
    """
    Creates and saves new VM Template.

    @cmview_admin_cm
    @param_post{name,string}
    @param_post{memory,int}
    @param_post{cpu,int}
    @param_post{description,string}
    @param_post{points,int}
    @param_post{ec2name,string} name for EC2 interface
    """

    try:
        template = Template()
        template.name = name
        template.memory = memory
        template.cpu = cpu
        template.description = description
        template.points = points
        template.ec2name = ec2name
        template.state = template_states['active']
        template.save()

    except:
        raise CMException('template_create')
Exemple #6
0
    def create(user, name, description, image_id, template_id, public_ip_id, iso_list, disk_list, vnc, groups,
               ssh_key=None, ssh_username=None, count=1,
               farm=None, head_template_id=None, node_id=False, lease_id=None, user_data=None):
        from cm.models.storage_image import StorageImage
        from cm.utils.threads.vm import VMThread

        template = Template.get(template_id)
        image = SystemImage.get(user.id, image_id, groups)

        if image.state != image_states['ok']:
            raise CMException('image_unavailable')

        if farm:
            head_template = Template.get(head_template_id)
            wn_template = template
            user.check_quota([(head_template, 1), (wn_template, count)])
            count += 1
        else:
            user.check_quota([(template, count)])

        vms = []

        reservation_id = None

        for i in range(count):
            # create VM instance
            log.debug(user.id, "Looking for node")
            node = Node.get_free_node(head_template, image, node_id) if farm and i == 0 else Node.get_free_node(template, image, node_id)
            log.info(user.id, 'Selected node: %d' % node.id)
            vm = VM()
            vm.libvirt_id = -1
            if farm:
                if i == 0:
                    vm.name = '%s-head' % name
                    vm.description = 'Farm head'
                    vm.template = head_template
                else:
                    vm.name = '%s-wn%d' % (name, i)
                    vm.description = 'Worker Node'
                    vm.template = wn_template
            else:
                vm.template = template
                vm.description = description
                if count > 1:
                    vm.name = '%s_%d' % (name, i + 1)
                else:
                    vm.name = name
            vm.user = user
            vm.state = vm_states['init']
            vm.start_time = datetime.now()
            vm.system_image = image
            vm.node = node
            vm.save_vm = True
            if farm:
                vm.farm = farm

            # Find first free vnc port
            used_ports = VM.objects.exclude(state__in=[vm_states['closed'], vm_states['erased']]).values_list('vnc_port', flat=True)

            for new_vnc_port in xrange(VNC_PORTS['START'], VNC_PORTS['END'] + 1):
                if new_vnc_port not in used_ports and new_vnc_port not in VNC_PORTS['EXCLUDE']:
                    break
            else:
                raise CMException('vm_vnc_not_found')

            log.debug(user.id, "Found vnc port: %d" % new_vnc_port)
            vm.vnc_port = new_vnc_port

            # Find first free novnc port
            used_ports = VM.objects.exclude(state__in=[vm_states['closed'], vm_states['erased']]).values_list('novnc_port', flat=True)
            for new_novnc_port in xrange(NOVNC_PORTS['START'], NOVNC_PORTS['END'] + 1):
                if new_novnc_port not in used_ports and new_novnc_port not in NOVNC_PORTS['EXCLUDE']:
                    break
            else:
                raise CMException('vm_novnc_not_found')

            log.debug(user.id, "Found novnc port: %d" % new_novnc_port)
            vm.novnc_port = new_novnc_port

            if vnc:
                vm.attach_vnc()
            vm.vnc_passwd = password_gen(13, chars=['letters', 'digits'], extra_chars='!@#$%^&*()')
            vm.ssh_key = ssh_key
            vm.ssh_username = ssh_username
            vm.user_data = user_data
            vm.save()

            if not reservation_id:
                reservation_id = vm.id

            vm.reservation_id = reservation_id
            vm.save()

            if farm and i == 0:
                farm.head = vm
            vms.append(vm)

            log.debug(user.id, "Attaching disks")
            disk_devs = []
            if i == 0 and disk_list:
                for disk_id in disk_list:
                    log.debug(user.id, 'Attaching disks to first VM')
                    disk = StorageImage.get(user.id, disk_id)
                    if disk.vm != None:
                        raise CMException('image_attached')
                    while disk.disk_dev in disk_devs:
                        disk.disk_dev += 1
                    disk_devs.append(disk.disk_dev)
                    disk.vm = vm
                    disk.save()

            log.debug(user.id, "Attaching CD")
            if i == 0 and iso_list:
                for iso_id in iso_list:
                    log.debug(user.id, 'Attaching iso to first VM')
                    # cd image have not be attached to any other vm
                    iso = IsoImage.get(user.id, iso_id)
                    iso.check_attached()
                    vm.iso_image = iso
                    vm.save()

        for i, vm in enumerate(vms):
            if lease_id != None:
                lease = Lease.objects.get(id=lease_id)

                if lease.user_network.user != user:
                    raise CMException('lease_permission')

                if lease.vm != None:
                    raise CMException('lease_attached')
                lease.vm = vm
                log.debug(user.id, "Attached ip: %s" % lease.address)
            else:
                lease = AvailableNetwork.get_lease(user)
                lease.vm = vm
                lease.save()
                log.debug(user.id, "Attached ip: %s" % lease.address)

            if i == 0 and public_ip_id > 0:
                log.debug(user.id, "Attaching PublicIP")
                try:
                    publicip = PublicIP.objects.filter(user=user).get(id=public_ip_id)
                    publicip.assign(lease)
                    publicip.save()
                except Exception, e:
                    log.exception(user.id, str(e))
                    raise CMException("lease_not_found")
Exemple #7
0
    def create(user,
               name,
               description,
               image_id,
               template_id,
               public_ip_id,
               iso_list,
               disk_list,
               vnc,
               groups,
               ssh_key=None,
               ssh_username=None,
               count=1,
               farm=None,
               head_template_id=None,
               node_id=False,
               lease_id=None,
               user_data=None):
        from cm.models.storage_image import StorageImage
        from cm.utils.threads.vm import VMThread

        template = Template.get(template_id)
        image = SystemImage.get(user.id, image_id, groups)

        if image.state != image_states['ok']:
            raise CMException('image_unavailable')

        if farm:
            head_template = Template.get(head_template_id)
            wn_template = template
            user.check_quota([(head_template, 1), (wn_template, count)])
            count += 1
        else:
            user.check_quota([(template, count)])

        vms = []

        reservation_id = None

        for i in range(count):
            # create VM instance
            log.debug(user.id, "Looking for node")
            node = Node.get_free_node(
                head_template, image,
                node_id) if farm and i == 0 else Node.get_free_node(
                    template, image, node_id)
            log.info(user.id, 'Selected node: %d' % node.id)
            vm = VM()
            vm.libvirt_id = -1
            if farm:
                if i == 0:
                    vm.name = '%s-head' % name
                    vm.description = 'Farm head'
                    vm.template = head_template
                else:
                    vm.name = '%s-wn%d' % (name, i)
                    vm.description = 'Worker Node'
                    vm.template = wn_template
            else:
                vm.template = template
                vm.description = description
                if count > 1:
                    vm.name = '%s_%d' % (name, i + 1)
                else:
                    vm.name = name
            vm.user = user
            vm.state = vm_states['init']
            vm.start_time = datetime.now()
            vm.system_image = image
            vm.node = node
            vm.save_vm = True
            if farm:
                vm.farm = farm

            # Find first free vnc port
            used_ports = VM.objects.exclude(
                state__in=[vm_states['closed'], vm_states['erased']
                           ]).values_list('vnc_port', flat=True)

            for new_vnc_port in xrange(VNC_PORTS['START'],
                                       VNC_PORTS['END'] + 1):
                if new_vnc_port not in used_ports and new_vnc_port not in VNC_PORTS[
                        'EXCLUDE']:
                    break
            else:
                raise CMException('vm_vnc_not_found')

            log.debug(user.id, "Found vnc port: %d" % new_vnc_port)
            vm.vnc_port = new_vnc_port

            # Find first free novnc port
            used_ports = VM.objects.exclude(
                state__in=[vm_states['closed'], vm_states['erased']
                           ]).values_list('novnc_port', flat=True)
            for new_novnc_port in xrange(NOVNC_PORTS['START'],
                                         NOVNC_PORTS['END'] + 1):
                if new_novnc_port not in used_ports and new_novnc_port not in NOVNC_PORTS[
                        'EXCLUDE']:
                    break
            else:
                raise CMException('vm_novnc_not_found')

            log.debug(user.id, "Found novnc port: %d" % new_novnc_port)
            vm.novnc_port = new_novnc_port

            if vnc:
                vm.attach_vnc()
            vm.vnc_passwd = password_gen(13,
                                         chars=['letters', 'digits'],
                                         extra_chars='!@#$%^&*()')
            vm.ssh_key = ssh_key
            vm.ssh_username = ssh_username
            vm.user_data = user_data
            vm.save()

            if not reservation_id:
                reservation_id = vm.id

            vm.reservation_id = reservation_id
            vm.save()

            if farm and i == 0:
                farm.head = vm
            vms.append(vm)

            log.debug(user.id, "Attaching disks")
            disk_devs = []
            if i == 0 and disk_list:
                for disk_id in disk_list:
                    log.debug(user.id, 'Attaching disks to first VM')
                    disk = StorageImage.get(user.id, disk_id)
                    if disk.vm != None:
                        raise CMException('image_attached')
                    while disk.disk_dev in disk_devs:
                        disk.disk_dev += 1
                    disk_devs.append(disk.disk_dev)
                    disk.vm = vm
                    disk.save()

            log.debug(user.id, "Attaching CD")
            if i == 0 and iso_list:
                for iso_id in iso_list:
                    log.debug(user.id, 'Attaching iso to first VM')
                    # cd image have not be attached to any other vm
                    iso = IsoImage.get(user.id, iso_id)
                    iso.check_attached()
                    vm.iso_image = iso
                    vm.save()

        for i, vm in enumerate(vms):
            if lease_id != None:
                lease = Lease.objects.get(id=lease_id)

                if lease.user_network.user != user:
                    raise CMException('lease_permission')

                if lease.vm != None:
                    raise CMException('lease_attached')
                lease.vm = vm
                log.debug(user.id, "Attached ip: %s" % lease.address)
            else:
                lease = AvailableNetwork.get_lease(user)
                lease.vm = vm
                lease.save()
                log.debug(user.id, "Attached ip: %s" % lease.address)

            if i == 0 and public_ip_id > 0:
                log.debug(user.id, "Attaching PublicIP")
                try:
                    publicip = PublicIP.objects.filter(user=user).get(
                        id=public_ip_id)
                    publicip.assign(lease)
                    publicip.save()
                except Exception, e:
                    log.exception(user.id, str(e))
                    raise CMException("lease_not_found")