Ejemplo n.º 1
0
def canonical_path(item):
    path = []
    from opennode.oms.security.authentication import sudo
    while item:
        p = sudo(follow_symlinks(sudo(item)))
        assert p.__name__ is not None, '%s.__name__ is None' % p
        path.insert(0, p.__name__)
        item = p.__parent__
    return '/'.join(path)
Ejemplo n.º 2
0
def canonical_path(item):
    path = []
    from opennode.oms.security.authentication import sudo
    while item:
        p = sudo(follow_symlinks(sudo(item)))
        assert p.__name__ is not None, '%s.__name__ is None' % p
        path.insert(0, p.__name__)
        item = p.__parent__
    return '/'.join(path)
Ejemplo n.º 3
0
    def auto_tags(self):
        res = [u'state:' + self.context.state] if self.context.state else []
        if self.context.architecture:
            for i in self.context.architecture:
                res.append(u'arch:' + i)

        from opennode.knot.model.virtualizationcontainer import IVirtualizationContainer
        p = sudo(self.context)
        if (IVirtualCompute.providedBy(p) and
                IVirtualizationContainer.providedBy(p.__parent__)):
            res.append(u'virt_type:' + p.__parent__.backend)
            res.append(u'virt:yes')
        else:
            res.append(u'virt:no')

        config = get_config()
        if config.has_section('netenv-tags'):
            for tag, nets in config.items('netenv-tags'):
                try:
                    if (self.context.ipv4_address is not None and
                        len(netaddr.all_matching_cidrs(self.context.ipv4_address.split('/')[0],
                                                       nets.split(','))) > 0):
                        res.append(u'env:' + tag)
                except ValueError:
                    # graceful ignoring of incorrect ips
                    pass
        return res
Ejemplo n.º 4
0
    def auto_tags(self):
        res = [u'state:' + self.context.state] if self.context.state else []
        if self.context.architecture:
            for i in self.context.architecture:
                res.append(u'arch:' + i)

        from opennode.knot.model.virtualizationcontainer import IVirtualizationContainer
        p = sudo(self.context)
        if (IVirtualCompute.providedBy(p) and
                IVirtualizationContainer.providedBy(p.__parent__)):
            res.append(u'virt_type:' + p.__parent__.backend)
            res.append(u'virt:yes')
        else:
            res.append(u'virt:no')

        config = get_config()
        if config.has_section('netenv-tags'):
            for tag, nets in config.items('netenv-tags'):
                try:
                    if (self.context.ipv4_address is not None and
                        len(netaddr.all_matching_cidrs(self.context.ipv4_address.split('/')[0],
                                                       nets.split(','))) > 0):
                        res.append(u'env:' + tag)
                except ValueError:
                    # graceful ignoring of incorrect ips
                    pass
        return res
Ejemplo n.º 5
0
def handle_virtual_compute_config_change_request(compute, event):
    c = sudo(compute)
    compute_p = yield db.get(c, '__parent__')
    compute_type = yield db.get(compute_p, 'backend')
    # At the moment we only handle openvz backend updates (OMS-568)
    if compute_type != 'openvz':
        return

    update_param_whitelist = ['diskspace',
                              'memory',
                              'num_cores',
                              'swap_size']

    param_modifier = {'diskspace': lambda d: d['total']}

    unit_corrections_coeff = {'memory': 1 / 1024.0,
                              'swap_size': 1 / 1024.0,
                              'diskspace': 1 / 1024.0}

    params_to_update = filter(lambda (k, v): k in update_param_whitelist, event.modified.iteritems())

    if len(params_to_update) == 0:
        return

    # correct unit coefficients (usually MB -> GB)
    params_to_update = map(lambda (k, v): (k, param_modifier.get(k, lambda x: x)(v)), params_to_update)
    params_to_update = map(lambda (k, v): (k, unit_corrections_coeff.get(k) * v
                                            if k in unit_corrections_coeff else v), params_to_update)

    @db.transact
    def update_vm_limits(cpu_limit):
        logger.debug("Setting cpu_limit to %s, previous value %s" % (cpu_limit / 100.0, c.cpu_limit))
        c.cpu_limit = cpu_limit / 100.0
    
    cores_setting = filter(lambda(k, v): k == 'num_cores', params_to_update)
    if len(cores_setting) == 1:
        # adjust cpu_limit to follow the number of cores as well
        cpu_limit = int(cores_setting[0][1] * get_config().getfloat('vms', 'cpu_limit', 80))
        log.msg("Updating cpulimit to %s" % cpu_limit, system='vm-configuration-update')

        params_to_update.append(('cpu_limit', cpu_limit))
        yield update_vm_limits(cpu_limit)

    submitter = IVirtualizationContainerSubmitter((yield db.get(compute, '__parent__')))
    try:
        yield submitter.submit(IUpdateVM, (yield db.get(compute, '__name__')), dict(params_to_update))
    except Exception as e:
        @db.transact
        def reset_to_original_values():
            for mk, mv in event.modified.iteritems():
                setattr(compute, mk, event.original[mk])
        yield reset_to_original_values()
        raise e  # must re-throw, because sys.exc_info seems to get erased with the yield
    else:
        owner = (yield db.get(compute, '__owner__'))
        UserLogger(subject=compute, owner=owner).log('Compute "%s" configuration changed' % compute)
Ejemplo n.º 6
0
def handle_virtual_compute_config_change_request(compute, event):
    c = sudo(compute)
    compute_p = yield db.get(c, '__parent__')
    compute_type = yield db.get(compute_p, 'backend')
    # At the moment we only handle openvz backend updates (OMS-568)
    if compute_type != 'openvz':
        return

    update_param_whitelist = ['diskspace', 'memory', 'num_cores', 'swap_size']

    param_modifier = {'diskspace': lambda d: d['total']}

    unit_corrections_coeff = {
        'memory': 1 / 1024.0,
        'swap_size': 1 / 1024.0,
        'diskspace': 1 / 1024.0
    }

    params_to_update = filter(lambda (k, v): k in update_param_whitelist,
                              event.modified.iteritems())

    if len(params_to_update) == 0:
        return

    # correct unit coefficients (usually MB -> GB)
    params_to_update = map(
        lambda (k, v): (k, param_modifier.get(k, lambda x: x)(v)),
        params_to_update)
    params_to_update = map(
        lambda (k, v): (k, unit_corrections_coeff.get(k) * v
                        if k in unit_corrections_coeff else v),
        params_to_update)

    @db.transact
    def update_vm_limits(cpu_limit):
        logger.debug("Setting cpu_limit to %s, previous value %s" %
                     (cpu_limit / 100.0, c.cpu_limit))
        c.cpu_limit = cpu_limit / 100.0

    cores_setting = filter(lambda (k, v): k == 'num_cores', params_to_update)
    if len(cores_setting) == 1:
        # adjust cpu_limit to follow the number of cores as well
        cpu_limit = int(cores_setting[0][1] *
                        get_config().getfloat('vms', 'cpu_limit', 80))
        log.msg("Updating cpulimit to %s" % cpu_limit,
                system='vm-configuration-update')

        params_to_update.append(('cpu_limit', cpu_limit))
        yield update_vm_limits(cpu_limit)

    submitter = IVirtualizationContainerSubmitter(
        (yield db.get(compute, '__parent__')))
    try:
        yield submitter.submit(IUpdateVM, (yield db.get(compute, '__name__')),
                               dict(params_to_update))
    except Exception as e:

        @db.transact
        def reset_to_original_values():
            for mk, mv in event.modified.iteritems():
                setattr(compute, mk, event.original[mk])

        yield reset_to_original_values()
        raise e  # must re-throw, because sys.exc_info seems to get erased with the yield
    else:
        owner = (yield db.get(compute, '__owner__'))
        UserLogger(subject=compute, owner=owner).log(
            'Compute "%s" configuration changed' % compute)
Ejemplo n.º 7
0
 def get_job():
     p = sudo(proxy.remove_persistent_proxy(self.context))
     job = job_interface(p.__parent__)
     backend = p.backend
     backend_uri = backends.get(backend, backend)
     return (job, backend_uri)
Ejemplo n.º 8
0
 def get_job():
     p = sudo(proxy.remove_persistent_proxy(self.context))
     job = job_interface(p.__parent__)
     backend = p.backend
     backend_uri = backends.get(backend, backend)
     return (job, backend_uri)
Ejemplo n.º 9
0
 def hostname(self):
     return sudo(self.context).hostname