osprofiler在OpenStack Cinder里的使用

cd ~/devstack
# 保存当前的 change
git stash 
git checkout stable/kilo
# 重新应用 change
git stash pop
# 其他配置保持不变
# 让后在./stack.sh
 
./stack.sh# 升级 Python-cinderclient, 安装 python-ceilometerclientsudo pip install python-cinderclient --upgradesudo pip install python-ceilometerclient
 

from osprofiler import profiler
# 使用前，一定要 init，否则不会用任何的数据记录
profiler.init("SECRET_HMAC_KEY", base_id='sadfsdafasdfasdfas', parent_id='dsafafasdfsadf')
def some_func():
    profiler.start("point_name", {"any_key": "with_any_value"})
    # your code
    print "I am between some_func"
    profiler.stop({"any_info_about_point": "in_this_dict"})
 
 
@profiler.trace("point_name",
                info={"any_info_about_point": "in_this_dict"},
                hide_args=False)
def some_func2(*args, **kwargs):
    # If you need to hide args in profile info, put hide_args=True
    print "Hello, osprofiler"
    pass
 
def some_func3():
    with profiler.Trace("point_name",
                        info={"any_key": "with_any_value"}):
        # some code here
        pass
 
 
@profiler.trace_cls("point_name", info={}, hide_args=False,
                    trace_private=False)
class TracedClass(object):
 
    def traced_method(self):
        print "Trace me"
        pass
 
    def _traced_only_if_trace_private_true(self):
         pass
# 把所有的记录写入到 json 文件里面
def send_info_to_file_collector(info, context=None):
    with open("traces", "a") as f:
        f.write(json.dumps(info))
 
notifier.set(send_info_to_file_collector)
# 下面的函数调用都会被一一记录
some_func()
some_func2(test='asdfasdf', adf=313)
 
 
trace = TracedClass()
trace.traced_method()

[[local|localrc]]
HOST_IP=192.168.14.128
SERVICE_HOST=192.168.14.128
ADMIN_PASSWORD=welcome
DATABASE_PASSWORD=$ADMIN_PASSWORD
RABBIT_PASSWORD=$ADMIN_PASSWORD
SERVICE_PASSWORD=$ADMIN_PASSWORD
SERVICE_TOKEN=$ADMIN_PASSWORD
DEST=/opt/stack
LOGFILE=$DEST/logs/stack.sh.log
SCREEN_LOGDIR=$DEST/logs/screen
OFFLINE=False
RECLONE=False
LOG_COLOR=False
disable_service horizon
enable_service q-svc
enable_service q-agt
enable_service q-dhcp
enable_service q-l3
enable_service q-meta
enable_service neutron
# Enable the ceilometer metering services
enable_service ceilometer-acompute ceilometer-acentral ceilometer-anotification ceilometer-collector
 
# Enable the ceilometer alarming services
enable_service ceilometer-alarm-evaluator,ceilometer-alarm-notifier
 
# Enable the ceilometer api services
enable_service ceilometer-api# 这个 profiler 一定要加，是 cinder 的性能信息记录到 Ceilometer 的关键
CEILOMETER_NOTIFICATION_TOPICS=notifications,profiler
disable_service n-net
disable_service tempest
disable_service h-eng,h-api,h-api-cfn,h-api-cw
PHYSICAL_NETWORK=physnet1
FIXED_RANGE=192.168.106.0/24
FIXED_NETWORK_SIZE=32
NETWORK_GATEWAY=192.168.106.1
[[post-config|$CINDER_CONF]]
[profiler] 
profiler_enabled = True 
trace_sqlalchemy = False
[[post-config|/$Q_PLUGIN_CONF_FILE]]
[ml2]
tenant_network_types = vlan
 
[ml2_type_vlan]
network_vlan_ranges = physnet1:100:110
 
[ovs]
bridge_mappings = physnet1:br-eth1
enable_tunneling = False

peter@Ubuntu:~/devstack$ cinder --profile SECRET_KEY create --name peter 1
+---------------------------------------+--------------------------------------+
|                Property               |                Value                 |
+---------------------------------------+--------------------------------------+
|              attachments              |                  []                  |
|           availability_zone           |                 nova                 |
|                bootable               |                false                 |
|          consistencygroup_id          |                 None                 |
|               created_at              |      2015-04-04T14:58:51.000000      |
|              description              |                 None                 |
|               encrypted               |                False                 |
|                   id                  | 28857983-3240-445d-a60b-3b91295c31e8 |
|                metadata               |                  {}                  |
|              multiattach              |                False                 |
|                  name                 |                peter                 |
|         os-vol-host-attr:host         |                 None                 |
|     os-vol-mig-status-attr:migstat    |                 None                 |
|     os-vol-mig-status-attr:name_id    |                 None                 |
|      os-vol-tenant-attr:tenant_id     |   ade7584debc54964b4fef737e56e062d   |
|   os-volume-replication:driver_data   |                 None                 |
| os-volume-replication:extended_status |                 None                 |
|           replication_status          |               disabled               |
|                  size                 |                  1                   |
|              snapshot_id              |                 None                 |
|              source_volid             |                 None                 |
|                 status                |               creating               |
|                user_id                |   56aac792735046dea02e12e85e0d1a03   |
|              volume_type              |             lvmdriver-1              |
+---------------------------------------+--------------------------------------+
Trace ID: aa4903cc-fd0c-42ef-96f1-bd1c5a1740f1
To display trace use next command:
osprofiler trace show --html aa4903cc-fd0c-42ef-96f1-bd1c5a1740f1

osprofiler trace show --html aa4903cc-fd0c-42ef-96f1-bd1c5a1740f1 --out test.html

@profiler.trace_cls("AnotherClass", info={}, hide_args=False,
                    trace_private=True)
class AnotherClass(object):
    def def1:
        pass
 
    def def2:
        pass