Exemplo n.º 1
0
def _build_pool(conn, meter, path):
    pool = util.lookup_pool_by_path(conn, path)
    if pool:
        logging.debug("Existing pool '%s' found for %s", pool.name(), path)
        pool.refresh(0)
        return pool

    name = util.generate_name("boot-scratch", conn.storagePoolLookupByName)
    logging.debug("Building storage pool: path=%s name=%s", path, name)
    poolbuild = Storage.DirectoryPool(conn=conn, name=name, target_path=path)

    # Explicitly don't build? since if we are creating this directory
    # we probably don't have correct perms
    return poolbuild.install(meter=meter, create=True, build=False, autostart=True)
Exemplo n.º 2
0
def _build_pool(conn, meter, path):
    pool = util.lookup_pool_by_path(conn, path)
    if pool:
        logging.debug("Existing pool '%s' found for %s", pool.name(), path)
        pool.refresh(0)
        return pool

    name = util.generate_name("boot-scratch", conn.storagePoolLookupByName)
    logging.debug("Building storage pool: path=%s name=%s", path, name)
    poolbuild = Storage.DirectoryPool(conn=conn, name=name, target_path=path)

    # Explicitly don't build? since if we are creating this directory
    # we probably don't have correct perms
    return poolbuild.install(meter=meter,
                             create=True,
                             build=False,
                             autostart=True)
Exemplo n.º 3
0
                and e.get_error_code() != libvirt.VIR_ERR_NO_STORAGE_VOL):
                raise
            return None, e

    def lookup_vol_name(name):
        try:
            name = os.path.basename(path)
            if pool and name in pool.listVolumes():
                return pool.lookupByName(name)
        except:
            pass
        return None

    vol = lookup_vol_by_path()[0]
    if not vol:
        pool = util.lookup_pool_by_path(conn, os.path.dirname(path))

        # Is pool running?
        if pool and pool.info()[0] != libvirt.VIR_STORAGE_POOL_RUNNING:
            pool = None

    # Attempt to lookup path as a storage volume
    if pool and not vol:
        try:
            # Pool may need to be refreshed, but if it errors,
            # invalidate it
            pool.refresh(0)
            vol, verr = lookup_vol_by_path()
            if verr:
                vol = lookup_vol_name(os.path.basename(path))
        except Exception, e: