The kanyun is a monitoring system of openstack. kanyun是一个openstack的监控系统。它可以监控虚拟机的CPU使用率、内存使用、网络流量和磁盘读写情况。 kanyun包括worker、data-server、API-server三个模块。 worker模块负责采集监控数据并交由data-server进行存储，APIserver则提供进行查询和统计的外部接口。
kanyun采集的数据可以由dashboard进行展示，或者由计费系统（如dough）计费使用。
总览:
+-----------------+
| cassandra |
+-----------------+
| |
| |
+-----------+ +-------------+
| server | | API-server | <---- statisticer
+-----------+ +-------------+
|
|
woker
|
________|___________
/ | \
外网流量采集 虚拟机信息采集 其他采集模块
Server:
+--- <-- Worker's PUSH
|
|
+----------+
| PULL | <-- feedback
+---|==========|
Client---> |REP| Server |
+---|==========|
| PUB | <-- broadcast
+----------+
|
|
+----> Worker's SUB
+----> DB
部署:
安装cassandra数据库 创建和配置/etc/kanyun.conf 在服务器上启动kanyun-api和kanyun-server 在nova-compute节点上启动kanyun-worker
数据通讯全部使用json格式
格式:
{'instanceid1':('IP', time, 'value'), 'instanceid2':('IP', time, 'value')}
value的单位：KB
示例:
{'instance-00000001': ('10.0.0.2', 1332409327, '0')}
虚拟机信息采集模块-->worker
格式:
[('cpu', 'total', (utc_time, cpu_usage)),
('mem', 'total', (utc_time, max, free)),
('nic', 'vnet8', (utc_time, incoming, outgoing(内网))),
('blk', 'vda', (utc_time, read, write)),
('blk', 'vdb', (utc_time, read, write))],
示例:
{'instance-000000ba@sws-yz-5':
[('cpu', 'total', (1332400088.149444, 5)),
('mem', 'total', (1332400088.149444, 8388608L, 8388608L)),
('nic', 'vnet8', (1332400088.152285, 427360746L, 174445810L)),
('blk', 'vda', (1332400088.156346, 298522624L, 5908590592L)),
('blk', 'vdb', (1332400088.158202, 2159616L, 1481297920L))],
其中cpu和mem为实际使用量
格式:
['msg_type', data]
'msg_type'取值：
HEART_BEAT = '0'
LOCAL_INFO = '1'
TRAFFIC_ACCOUNTING = '2'
AGENT = '3'
示例
- 心跳::
['WORKER1', time.time(), status] status：0为即将正常退出，服务器收到0就会取消对该worker的状态监控；1为正在工作中 数据： ['2',
- ''{"[email protected]":
- [
- ["cpu", "total", [1332831360.029795, 53522870000000]], ["mem", "total", [1332831360.029795, 131072, 131072]], ["nic", "vnet0", [1332831360.037399, 21795245, 5775663]], ["blk", "vda", [1332831360.04699, 474624, 4851712]], ["blk", "vdb", [1332831360.049333, 122880, 0]]
]
}''
]
格式:
instance_id, {scf_str: {时间: 值}}
示例:
Columnfamily为mem_max保存最大内存值，mem_free保存空闲内存值
instance_id, {'total': {1332831360: 131072}}
instance_id, {'total': {1332831360: 131072}}
格式:
['msg_type', 'uuid', {
'method': 'query_usage_report',
'args': {
'id': 'instance00001'
'metric': 'network',
'metric_param': 'vnet0',
'statistic': 'sum',
'period': 5,
'timestamp_from': '2012-02-20T12:12:12',
'timestamp_to': '2012-02-22T12:12:12',
}
}
]
metric取值：
'vmnetwork'
'cpu'
'mem_max'
'mem_free'
'nic_read'
'nic_write'
'blk_read'
'blk_write'
metric_param取值：
如果metric为vmnetwork或者cpu或者mem*的话，为'total'
其他情况为设备名，比如'vnet0'、'vda'等
statistic取值:
'sum'
'max'
'min'
'avg'
'sam'(暂时不支持)
示例
协议请求数据示例:
['msg_type', 'uuid', {
'method': 'query_usage_report',
'args': {
'id': 'instance00001'
'metric': 'vmnetwork',
'metric_param': 'vnet0',
'statistic': 'sum',
'period': 5,
'timestamp_from': '2012-02-20T12:12:12',
'timestamp_to': '2012-02-22T12:12:12',
}
}
]
api_client示例:
api-client [email protected] cpu total sum 5 2012-02-20T12:12:12 2012-06-20T12:12:12 获取存在指定数据的全部实例列表： api_client vmnetwork 获取指定实例的数据： api_client -k instance-0000002 获取指定类型、指定实例、指定参数的数据： api_client instance-0000002 vmnetwork 10.0.0.2 api_client instance-00000012@lx12 cpu api_client instance-00000012@lx12 mem mem_free 查询指定实例、指定类型、指定参数、指定统计类型的数据，以5分钟为统计单位、从指定时间开始到当前时间进行统计，返回统计结果： api_client instance-0000002 vmnetwork 10.0.0.2 0 5 1332897600 0
格式:
['msg_type', 'uuid',
{'code': 0,
'message': 'success',
'data':{key:result},
}
]
示例:
[ {"1332897600.0": 10} ]
数据库
结构:
+--------------+ | cf=vmnetwork | +--------------+-------------------------------------------+ | scf=IP | +===================+===========+=======+==================+ | | col=time1 | time2 | ... | +===================+===========+=======+==================+ | key=instance_id | val1 | val2 | ... | +==========================================================+ +---------------------------------------------------------------------------------------------+ | cf=cpu/mem_max/mem_free/nic_read/nic_write/blk_read/blk_write/...(one item as one cf ) | +---------------------------------------------------------------------------------------------+ | scf=total/devname(vnet0/vda...) | +=================+==============+=======+=========+ | | col=utc_time | time2 | ... | +=================+==============+=======+=========+ | key=instance_id | val1(subval) | val2 | ... | +==================================================+
可以在数据库本地使用cassandra-cli -h 127.0.0.1连接数据库并执行以下命令建库:
CREATE keyspace DATA; USE DATA; CREATE COLUMN family vmnetwork WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; CREATE COLUMN family cpu WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; CREATE COLUMN family mem_max WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; CREATE COLUMN family mem_free WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; CREATE COLUMN family nic_incoming WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; CREATE COLUMN family nic_outgoing WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; CREATE COLUMN family blk_read WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; CREATE COLUMN family blk_write WITH column_type='Super' AND comparator='AsciiType' AND subcomparator='IntegerType' AND default_validation_class='AsciiType'; assume vmnetwork KEYS AS ascii; assume cpu KEYS AS ascii; assume mem_max KEYS AS ascii; assume nic_incoming KEYS AS ascii; assume nic_outgoing KEYS AS ascii; assume blk_read KEYS AS ascii; assume blk_write KEYS AS ascii; assume mem_free KEYS AS ascii;
schema:
[DEFAULT@DATA] SHOW schema;
CREATE keyspace DATA
WITH placement_strategy = 'NetworkTopologyStrategy'
AND strategy_options = {datacenter1 : 1}
AND durable_writes = true;
USE DATA;
CREATE COLUMN family blk_read
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family blk_write
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family cpu
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family mem_free
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family mem_max
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family nic_incoming
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family nic_outgoing
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family nic_read
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family nic_write
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
CREATE COLUMN family vmnetwork
WITH column_type = 'Super'
AND comparator = 'AsciiType'
AND subcomparator = 'IntegerType'
AND default_validation_class = 'AsciiType'
AND key_validation_class = 'BytesType'
AND rows_cached = 0.0
AND row_cache_save_period = 0
AND row_cache_keys_to_save = 2147483647
AND keys_cached = 200000.0
AND key_cache_save_period = 14400
AND read_repair_chance = 1.0
AND gc_grace = 864000
AND min_compaction_threshold = 4
AND max_compaction_threshold = 32
AND replicate_on_write = true
AND row_cache_provider = 'SerializingCacheProvider'
AND compaction_strategy = 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy';
配置文件样例:
bin/kanyun.conf [log] file=/tmp/kanyun.log [server] host: * port: 5551 db_host: 127.0.0.1 [api] api_host: * api_port: 5556 db_host: 127.0.0.1 [worker] id: worker1 worker_timeout: 60 dataserver_host: 127.0.0.1 dataserver_port: 5551 log: /tmp/kanyun-worker.log [client] api_host: 127.0.0.1 api_port: 5556
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