def teardown_tunnel(self, src_if, dst_if):
sw = get_swManager(src_if)
ofport = None
try:
# ofport = sw.get_port(src_if.ofdev)
ofdev, ofport = src_if.get_of(self.ovs_id)
ofport2 = sw.get_port(ofdev)
if ofport != ofport2:
logger.error("teardown_tunnel:ofdev=%s: mismatch ofport=%s, ofport2=%s" % (ofdev, ofport, ofport2))
ofport = ofport2
except Exception as e:
logger.error("teardown_tunnel:gre port is None. ex=%s" % e)
if ofport is not None:
urlbase = src_if.ryu_url
dpid = src_if.dpid
logger.info("teardown gre link here. url=%s, dpid=%s, ovsdb=%s, dev=%s, type=%s, local=%s, remote=%s" %
(urlbase, dpid, src_if.ovsdb, ofdev, src_if.gtype, src_if.address, dst_if.address));
params = {}
params["ovsdb"] = src_if.ovsdb
params["name"] = ofdev
params["remote_ip"] = dst_if.address
ovsif.del_tunnel(urlbase, dpid, params)
# src_if.ofport = None
src_if.set_of(self.ovs_id, ofdev, None)
sw.set_free(ofdev)
def reserve(self, resv):
# logger.info("ovsgre:OvsManager:reserve: enter")
# This just only reserve vlans for source/destination/tunnel interfaces
if resv is None:
raise ManagerException("OvsManager:reserve",
"The reservation parameter is null.")
self.check_stp(resv)
resv_id = uuid.uuid4()
logger.info("ovsManager:reserve: new resv_id=%s." % resv_id)
if dict_resvParameter.has_key(resv_id):
logger.error("Never here. Reservation id is duplicated(%s)." %
(resv_id))
raise ManagerException("OvsManager:reserve",
"The reservation id is already used.")
resvp = resvParameter(self.ovs_id, resv)
(s_vlan, d_vlan, t_vlan) = resvp.allocate()
resv.trans_vlan = t_vlan
dict_resvParameter[resv_id] = resvp
self.dict_isSetRule[resv_id] = False
logger.info("ovsManager:reserve: done. resv_id=%s" % (resv_id))
return resv_id
def teardown_tunnel(self, src_if, dst_if):
sw = get_swManager(src_if)
ofport = None
try:
# ofport = sw.get_port(src_if.ofdev)
ofdev, ofport = src_if.get_of(self.ovs_id)
ofport2 = sw.get_port(ofdev)
if ofport != ofport2:
logger.error("teardown_tunnel:ofdev=%s: mismatch ofport=%s, ofport2=%s" % (ofdev, ofport, ofport2))
ofport = ofport2
except Exception as e:
logger.info("teardown_tunnel:gre port is None")
if ofport is not None:
urlbase = src_if.ryu_url
dpid = src_if.dpid
logger.info("teardown gre link here. url=%s, dpid=%s, ovsdb=%s, dev=%s, type=%s, local=%s, remote=%s" %
(urlbase, dpid, src_if.ovsdb, ofdev, src_if.gtype, src_if.address, dst_if.address));
params = {}
params["ovsdb"] = src_if.ovsdb
params["name"] = ofdev
params["remote_ip"] = dst_if.address
ovsif.del_tunnel(urlbase, dpid, params)
# src_if.ofport = None
src_if.set_of(self.ovs_id, ofdev, None)
sw.set_free(ofdev)
def update(self, resv):
fmt = "UPDATE %s SET %s=\"%s\", %s=\"%s\", %s=\"%s\", %s=\"%s\", %s=\"%s\" WHERE resv_urn=\"%s\""
error = resv.error
if error is not None:
error = error.replace("\"", "")
error = error.replace("\'", "")
sql = fmt % (mySQLtbl,
"geni_expires", resv.end_time,
"geni_operational_status", resv.ostatus,
"geni_allocation_status", resv.astatus,
"geni_error", error,
"geni_action", resv.action,
resv.urn)
logger.info("tnrm_db:update: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:restart: ex=%s" % e)
raise e
finally:
self.close()
def update(self, resv):
fmt = "UPDATE %s SET %s=\"%s\", %s=\"%s\", %s=\"%s\", %s=\"%s\", %s=\"%s\" WHERE resv_urn=\"%s\""
error = resv.error
if error is not None:
error = error.replace("\"", "")
error = error.replace("\'", "")
sql = fmt % (mySQLtbl,
"geni_expires", resv.end_time,
"geni_operational_status", resv.ostatus,
"geni_allocation_status", resv.astatus,
"geni_error", error,
"geni_action", resv.action,
resv.urn)
logger.info("tnrm_db:update: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:restart: ex=%s" % e)
raise e
finally:
self.close()
def provision (self, resv):
# provison:nsiv2, poa geni_start
if resv is None or not dict_resvParameter.has_key(resv.resv_id):
logger.info("ovsManager:provision: resv_id=%s" % (resv.resv_id))
for key in dict_resvParameter:
logger.info("ovsManager:provision: resvp=%s" % (key))
raise ManagerException("OvsManager:provision", "The reservation is null.")
resvp = dict_resvParameter[resv.resv_id]
if resvp is None:
raise ManagerException("OvsManager:privision", "The ResvParameter is null.")
if self.isSetup:
# already setup
pass
else:
try:
### setup src->dst
self.setup_tunnel(self.src_if, self.dst_if)
except:
raise
try:
### setup dst->src
self.setup_tunnel(self.dst_if, self.src_if)
except:
### teardown tunnel by setup_tunnel(self.src_if, self.dst_if)
self.teardown_tunnel(self.src_if, self.dst_if)
raise
self.isSetup = True
self.dict_used[resv.resv_id] = resv.resv_id
if self.dict_isSetRule[resv.resv_id]:
# already set flow rule
pass
else:
#### add code for set rule
logger.info("set flow rule. %s?vlan=%s:%s?vlan=%s, gre?vlan=%s." %
(resvp.s_stp, resvp.s_vlan, resvp.d_stp, resvp.d_vlan, resvp.t_vlan))
try:
### add src
self.add_rule(self.src_if, resvp.s_vlan, resvp.t_vlan)
except Exception as ex:
logger.error("provision: error in add rule: src_if=%s sevlan=%s, ofvlan=%s, ex=%s" % (self.src_if, resvp.s_vlan, resvp.t_vlan, ex))
raise ex
try:
### add dst
self.add_rule(self.dst_if, resvp.d_vlan, resvp.t_vlan)
except Exception as ex:
logger.error("provision: error in add rule: dst_if=%s sevlan=%s, ofvlan=%s, ex=%s" % (self.dst_if, resvp.s_vlan, resvp.t_vlan, ex))
self.del_rule(self.src_if, resvp.s_vlan, resvp.t_vlan)
raise ex
self.dict_isSetRule[resv.resv_id] = True
return resv.resv_id
def close(self):
if self.con is None:
loggererror("Rule violation: use database. So TNRM stop now.")
raise Exception("Rule violation: use database. So TNRM stop now.")
try:
if self.con is not None:
self.con.close()
except Exception as e:
logger.error("tnrm_db:init: use database:%s, ex=%s" %
(mySQLdb, e))
finally:
self.con = None
self.cur = None
def close(self):
if self.con is None:
loggererror("Rule violation: use database. So TNRM stop now.")
raise Exception("Rule violation: use database. So TNRM stop now.")
try:
if self.con is not None:
self.con.close()
except Exception as e:
logger.error("tnrm_db:init: use database:%s, ex=%s" %
(mySQLdb, e))
finally:
self.con = None
self.cur = None
def delete(self, resv):
fmt = "DELETE FROM %s WHERE resv_urn=\"%s\""
sql = fmt % (mySQLtbl, resv.urn)
logger.info("tnrm_db:delete: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:delete: ex=%s" % e)
raise e
finally:
self.close()
def delete(self, resv):
fmt = "DELETE FROM %s WHERE resv_urn=\"%s\""
sql = fmt % (mySQLtbl, resv.urn)
logger.info("tnrm_db:delete: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:delete: ex=%s" % e)
raise e
finally:
self.close()
def open(self):
if self.con is not None:
logger.error("Rule violation: use database. So TNRM stop now.")
raise Exception("Rule violation: use database. So TNRM stop now.")
try:
self.con = MySQLdb.connect(host = mySQLhost, db = "",
user = mySQLuser, passwd = mySQLpass,
charset = mySQLchar)
self.cur = self.con.cursor()
sql = "USE %s" % mySQLdb
self.cur.execute(sql)
except Exception as e:
logger.error("tnrm_db:init: use database:%s, ex=%s" %
(mySQLdb, e))
def update_time(self, resv):
fmt = "UPDATE %s SET %s=\"%s\" WHERE resv_urn=\"%s\""
sql = fmt % (mySQLtbl,
"geni_expires", resv.end_time, resv.urn)
logger.info("tnrm_db:update: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:restart: ex=%s" % e)
raise e
finally:
self.close()
def open(self):
if self.con is not None:
logger.error("Rule violation: use database. So TNRM stop now.")
raise Exception("Rule violation: use database. So TNRM stop now.")
try:
self.con = MySQLdb.connect(host = mySQLhost, db = "",
user = mySQLuser, passwd = mySQLpass,
charset = mySQLchar)
self.cur = self.con.cursor()
sql = "USE %s" % mySQLdb
self.cur.execute(sql)
except Exception as e:
logger.error("tnrm_db:init: use database:%s, ex=%s" %
(mySQLdb, e))
def update_time(self, resv):
fmt = "UPDATE %s SET %s=\"%s\" WHERE resv_urn=\"%s\""
sql = fmt % (mySQLtbl,
"geni_expires", resv.end_time, resv.urn)
logger.info("tnrm_db:update: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:restart: ex=%s" % e)
raise e
finally:
self.close()
def setup_tunnel(self, src_if, dst_if):
logger.info("setup src_if=%s" % src_if)
logger.info("setup dst_if=%s" % dst_if)
sw = get_swManager(src_if)
ofport = None
try:
# ofport = sw.get_port(src_if.ofdev)
ofdev, ofport = src_if.get_of(self.ovs_id)
ofport2 = sw.get_port(ofdev)
if ofport != ofport2:
logger.error(
"setup_tunnel:ofdev=%s: mismatch ofport=%s, ofport2=%s" %
(ofdev, ofport, ofport2))
ofport = ofport2
except Exception as ex:
logger.info("setup_tunnel:gre port is None")
if ofport is None:
urlbase = src_if.ryu_url
dpid = src_if.dpid
logger.info(
"setup gre link here. url=%s, dpid=%s, ovsdb=%s, dev=%s, type=%s, local=%s, remote=%s"
% (urlbase, dpid, src_if.ovsdb, ofdev, src_if.gtype,
src_if.address, dst_if.address))
params = {}
params["ovsdb"] = src_if.ovsdb
params["name"] = ofdev
if (src_if.gtype == "ovsgre"):
params["type"] = "gre"
else:
raise ManagerException(
"OvsManager:setup_tunnel",
"Type (%s) is unknown, must be \"ovsgre\"." %
(src_if.gtype))
params["local_ip"] = src_if.address
params["remote_ip"] = dst_if.address
ofport = ovsif.add_tunnel(urlbase, dpid, params)
# src_if.ofport = ofport
src_if.set_of(self.ovs_id, ofdev, ofport)
sw.set_used(ofdev, ofport)
def restart (self):
fmt = "SELECT * from %s"
sql = fmt % mySQLtbl
logger.info("tnrm_db:select: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
rows = self.cur.fetchall()
except Exception as e:
logger.error("tnrm_db:restart: ex=%s" % e)
raise e
finally:
self.close()
drows = []
for row in rows:
d = self.row2dict(row)
drows.append(d)
logger.info("tnrm_db:select: row=%s" % self.row2str(d))
if False:
pass
# ep = Endpoint(ep_name, ep_vlantag, node, stp)
# resv = Reservation(None, d["slice_urn"], d["resv_urn"], None, path, d["geni_expires"], d["start_time"]);
manifest = reservation.manifest_rspec + d["manifest_node"] + d["manifest_link"] + reservation.close_rspec;
current_time = datetime.datetime.utcnow()
ic_time = unix_time_sec(current_time)
is_datetime = datetime.datetime.strptime(d["start_time"], '%Y-%m-%d %H:%M:%S.%f')
is_time = unix_time_sec(is_datetime)
ie_datetime = datetime.datetime.strptime(d["geni_expires"], '%Y-%m-%d %H:%M:%S.%f')
ie_time = unix_time_sec(ie_datetime)
# logger.info("start_time: %s, %d" % (d["start_time"], is_time))
# logger.info("end_time: %s, %d" % (d["geni_expires"], ie_time))
# logger.info("current_time: %s, %d" % (current_time, ic_time))
# try:
self.tnrm.re_allocate(
d["slice_urn"], d["resv_urn"], manifest, is_datetime,
ie_datetime, d["nsi_id"], d["transvlan"],
d["geni_operational_status"], d["geni_allocation_status"],
d["geni_error"], d["geni_action"])
def setup_tunnel(self, src_if, dst_if):
logger.info("setup src_if=%s" % src_if)
logger.info("setup dst_if=%s" % dst_if)
sw = get_swManager(src_if)
ofport = None
try:
# ofport = sw.get_port(src_if.ofdev)
ofdev, ofport = src_if.get_of(self.ovs_id)
ofport2 = sw.get_port(ofdev)
if ofport != ofport2:
logger.error("setup_tunnel:ofdev=%s: mismatch ofport=%s, ofport2=%s" % (ofdev, ofport, ofport2))
ofport = ofport2
except Exception as ex:
logger.info("setup_tunnel:gre port is None")
if ofport is None:
urlbase = src_if.ryu_url
dpid = src_if.dpid
logger.info("setup gre link here. url=%s, dpid=%s, ovsdb=%s, dev=%s, type=%s, local=%s, remote=%s" %
(urlbase, dpid, src_if.ovsdb, ofdev, src_if.gtype, src_if.address, dst_if.address));
params = {}
params["ovsdb"] = src_if.ovsdb
params["name"] = ofdev
if (src_if.gtype == "ovsgre"):
params["type"] = "gre"
else:
raise ManagerException("OvsManager:setup_tunnel",
"Type (%s) is unknown, must be \"ovsgre\"." % (src_if.gtype))
params["local_ip"] = src_if.address
params["remote_ip"] = dst_if.address
ofport = ovsif.add_tunnel(urlbase, dpid, params)
# src_if.ofport = ofport
src_if.set_of(self.ovs_id, ofdev, ofport)
sw.set_used(ofdev, ofport)
def reserve (self, resv):
# logger.info("ovsgre:OvsManager:reserve: enter")
# This just only reserve vlans for source/destination/tunnel interfaces
if resv is None:
raise ManagerException("OvsManager:reserve", "The reservation parameter is null.")
self.check_stp(resv)
resv_id = uuid.uuid4()
logger.info("ovsManager:reserve: new resv_id=%s." % resv_id)
if dict_resvParameter.has_key(resv_id):
logger.error("Never here. Reservation id is duplicated(%s)." % (resv_id))
raise ManagerException("OvsManager:reserve", "The reservation id is already used.")
resvp = resvParameter(self.ovs_id, resv)
(s_vlan, d_vlan, t_vlan) = resvp.allocate()
resv.trans_vlan = t_vlan
dict_resvParameter[resv_id] = resvp
self.dict_isSetRule[resv_id] = False
logger.info("ovsManager:reserve: done. resv_id=%s" % (resv_id))
return resv_id
def __init__(self):
try:
self.tnrm = None
self.con = MySQLdb.connect(host = mySQLhost, db = "",
user = mySQLuser, passwd = mySQLpass,
charset = mySQLchar)
self.cur = self.con.cursor()
sql = "CREATE DATABASE IF NOT EXISTS %s" % mySQLdb
# sql = "CREATE DATABASE %s" % mySQLdb
try:
self.cur.execute(sql)
except Exception as e:
logger.error("tnrm_db:init: create database:%s, ex=%s" %
(mySQLdb, e))
sql = "USE %s" % mySQLdb
try:
self.cur.execute(sql)
except Exception as e:
logger.error("tnrm_db:init: use database:%s, ex=%s" %
(mySQLdb, e))
# sql = "CREATE TABLE %s (%s)" % (mySQLtbl, mySQLtable)
sql = "CREATE TABLE IF NOT EXISTS %s (%s)" % (mySQLtbl, mySQLtable)
try:
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:init: create table:%s, ex=%s" %
(mySQLtable, e))
# sql = ("ALTER TABLE %s ADD INDEX (%s)" %
# (mySQLtbl, "slice_urn, request_urn, nsi_id"))
# self.cur.execute(sql)
# logger.info("tnrm_db:init: create index:%s" % mySQLtable)
self.con.close()
self.con = None
self.cur = None
except Exception as e:
logger.error("tnrm_db:init: ex=%s" % e)
def __init__(self):
try:
self.tnrm = None
self.con = MySQLdb.connect(host = mySQLhost, db = "",
user = mySQLuser, passwd = mySQLpass,
charset = mySQLchar)
self.cur = self.con.cursor()
sql = "CREATE DATABASE IF NOT EXISTS %s" % mySQLdb
# sql = "CREATE DATABASE %s" % mySQLdb
try:
self.cur.execute(sql)
except Exception as e:
logger.error("tnrm_db:init: create database:%s, ex=%s" %
(mySQLdb, e))
sql = "USE %s" % mySQLdb
try:
self.cur.execute(sql)
except Exception as e:
logger.error("tnrm_db:init: use database:%s, ex=%s" %
(mySQLdb, e))
# sql = "CREATE TABLE %s (%s)" % (mySQLtbl, mySQLtable)
sql = "CREATE TABLE IF NOT EXISTS %s (%s)" % (mySQLtbl, mySQLtable)
try:
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:init: create table:%s, ex=%s" %
(mySQLtable, e))
# sql = ("ALTER TABLE %s ADD INDEX (%s)" %
# (mySQLtbl, "slice_urn, request_urn, nsi_id"))
# self.cur.execute(sql)
# logger.info("tnrm_db:init: create index:%s" % mySQLtable)
self.con.close()
self.con = None
self.cur = None
except Exception as e:
logger.error("tnrm_db:init: ex=%s" % e)
def insert (self, resv):
fmt = "INSERT INTO %s VALUES ("
for i in range(0, mySQLtables_items):
if i == (mySQLtables_items - 1):
fmt += "\'%s\')"
else:
fmt += "\'%s\', "
logger.info("tnrm_db:insert: fmt=%s" % fmt)
trans_vlan = "0"
if resv.trans_vlan is not None:
trans_vlan = resv.trans_vlan
error = resv.error
if error is not None:
error = error.replace("\"", "")
error = error.replace("\'", "")
sql = (fmt % (
mySQLtbl,
#1: slice_urn
resv.slice_urn,
#2: resv_urn
resv.urn,
#3: nsi_id
resv.resv_id,
#4: srcstp
resv.src_if.felix_stp_id,
#5: dststp
resv.dst_if.felix_stp_id,
#6: srcvlan
int(resv.src_vlan),
#7: dstvlan
int(resv.dst_vlan),
#8: transvlan
int (trans_vlan),
#9: geni_operational_status
resv.ostatus,
#10: geni_expires
resv.end_time,
#11: geni_allocation_status
resv.astatus,
#12: geni_sliver_urn
resv.gid,
#13: geni_urn
resv.slice_urn,
#14: geni_error
error,
#15: geni_action
resv.action,
#16: start_time
resv.start_time,
#16: manifest_node
resv.manifest_node,
#17: manifest_link
resv.manifest_link
))
logger.info("tnrm_db:insert: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:insert: ex=%s" % e)
finally:
self.close()
def insert (self, resv):
fmt = "INSERT INTO %s VALUES ("
for i in range(0, mySQLtables_items):
if i == (mySQLtables_items - 1):
fmt += "\'%s\')"
else:
fmt += "\'%s\', "
logger.info("tnrm_db:insert: fmt=%s" % fmt)
trans_vlan = "0"
if resv.trans_vlan is not None:
trans_vlan = resv.trans_vlan
sql = (fmt % (
mySQLtbl,
#1: slice_urn
resv.slice_urn,
#2: resv_urn
resv.urn,
#3: nsi_id
resv.resv_id,
#4: srcstp
resv.src_if.felix_stp_id,
#5: dststp
resv.dst_if.felix_stp_id,
#6: srcvlan
int(resv.src_vlan),
#7: dstvlan
int(resv.dst_vlan),
#8: transvlan
int (trans_vlan),
#9: geni_operational_status
resv.ostatus,
#10: geni_expires
resv.end_time,
#11: geni_allocation_status
resv.astatus,
#12: geni_sliver_urn
resv.gid,
#13: geni_urn
resv.slice_urn,
#14: geni_error
resv.error,
#15: geni_action
resv.action,
#16: start_time
resv.start_time,
#16: manifest_node
resv.manifest_node,
#17: manifest_link
resv.manifest_link
))
logger.info("tnrm_db:insert: sql=%s" % sql)
try:
self.open()
self.cur.execute(sql)
self.cur.execute("COMMIT")
except Exception as e:
logger.error("tnrm_db:insert: ex=%s" % e)
finally:
self.close()
def release (self, resv):
e = None
### release:nsiv2, poa geni_stop
if resv is None or not dict_resvParameter.has_key(resv.resv_id):
raise ManagerException("OvsManager:release", "The reservation is null.")
resvp = dict_resvParameter[resv.resv_id]
if resvp is None:
raise ManagerException("OvsManager:release", "The ResvParameter is null.")
if self.dict_isSetRule.has_key(resv.resv_id):
if self.dict_isSetRule[resv.resv_id]:
logger.info("delete flow rule here. %s?vlan=%s:%s?vlan=%s, gre?vlan=%s." %
(resvp.s_stp, resvp.s_vlan, resvp.d_stp, resvp.d_vlan, resvp.t_vlan))
try:
### delete src
self.del_rule(self.src_if, resvp.s_vlan, resvp.t_vlan)
except Exception as ex:
e = ex
logger.error("release: error in delete rule: src_if=%s sevlan=%s, ofvlan=%s, ex=%s" % (self.src_if, resvp.s_vlan, resvp.t_vlan, ex))
try:
### delete dst
self.del_rule(self.dst_if, resvp.d_vlan, resvp.t_vlan)
except Exception as ex:
e = ex
logger.error("release: error in delete rule: dst_if=%s sevlan=%s, ofvlan=%s, ex=%s" % (self.dst_if, resvp.d_vlan, resvp.t_vlan, ex))
self.dict_isSetRule[resv.resv_id] = False
else:
# already delete flow rule
pass
else:
logger.info("OvsManager:release: This reservation (%s) does not have isSetRule." %
(resv.resv_id))
if self.dict_used.has_key(resv.resv_id):
del self.dict_used[resv.resv_id]
else:
logger.info("OvsManager:release: This reservation (%s) does not used this gre link." %
(resv.resv_id))
if self.isSetup:
if len(self.dict_used) > 0:
logger.info("This gre link is shared other reservtion. Do not teardown now.")
else:
e = None
### teardown src->dst
try:
self.teardown_tunnel(self.src_if, self.dst_if)
except Exception as ex:
e = ex
logger.error("release: error in teardown #1: src_if=%s, dst_if=%s ex=%s" % (self.src_if, self.dst_if, ex))
### teardown dst->src
try:
self.teardown_tunnel(self.dst_if, self.src_if)
except Exception as ex:
e = ex
logger.error("release: error in teardown #2: src_if=%s, dst_if=%s ex=%s" % (self.dst_if, self.src_if, ex))
self.isSetup = False
self.isSetup = False
else:
logger.info("This link is already teardown.");
if e is not None:
raise e
return resv.resv_id
def release (self, resv):
e = None
### release:nsiv2, poa geni_stop
if resv is None or not dict_resvParameter.has_key(resv.resv_id):
raise ManagerException("OvsManager:release", "The reservation is null.")
resvp = dict_resvParameter[resv.resv_id]
if resvp is None:
raise ManagerException("OvsManager:release", "The ResvParameter is null.")
if self.dict_isSetRule.has_key(resv.resv_id):
if self.dict_isSetRule[resv.resv_id]:
logger.info("delete flow rule here. %s?vlan=%s:%s?vlan=%s, gre?vlan=%s." %
(resvp.s_stp, resvp.s_vlan, resvp.d_stp, resvp.d_vlan, resvp.t_vlan))
try:
### delete src
self.del_rule(self.src_if, resvp.s_vlan, resvp.t_vlan)
except Exception as ex:
e = ex
logger.error("release: error in delete rule: src_if=%s sevlan=%s, ofvlan=%s, ex=%s" % (self.src_if, resvp.s_vlan, resvp.t_vlan, ex))
try:
### delete dst
self.del_rule(self.dst_if, resvp.d_vlan, resvp.t_vlan)
except Exception as ex:
e = ex
logger.error("release: error in delete rule: dst_if=%s sevlan=%s, ofvlan=%s, ex=%s" % (self.dst_if, resvp.d_vlan, resvp.t_vlan, ex))
self.dict_isSetRule[resv.resv_id] = False
else:
# already delete flow rule
pass
else:
logger.info("OvsManager:release: This reservation (%s) does not have isSetRule." %
(resv.resv_id))
if self.dict_used.has_key(resv.resv_id):
del self.dict_used[resv.resv_id]
else:
logger.info("OvsManager:release: This reservation (%s) does not used this gre link." %
(resv.resv_id))
if self.isSetup:
if len(self.dict_used) > 0:
logger.info("This gre link is shared other reservtion. Do not teardown now.")
else:
e = None
### teardown src->dst
try:
self.teardown_tunnel(self.src_if, self.dst_if)
except Exception as ex:
e = ex
logger.error("release: error in teardown: src_if=%s, dst_if=%s ex=%s" % (self.src_if, self.dst_if, ex))
### teardown dst->src
try:
self.teardown_tunnel(self.dst_if, self.src_if)
except Exception as ex:
e = ex
logger.error("release: error in teardown: src_if=%s, dst_if=%s ex=%s" % (self.dst_if, self.src_if, ex))
self.isSetup = False
self.isSetup = False
else:
logger.info("This link is already teardown.");
if e is not None:
raise e
return resv.resv_id
