资讯专栏INFORMATION COLUMN

ZStack源码剖析之二次开发——Debug的常用技巧

taowen / 3818人阅读

摘要:本文首发于泊浮目的专栏在前文源码剖析之二次开发可扩展框架中,我们大概的了解了如何在中进行二次开发。在还有相关的日志,有兴趣的读者可以自行搜索。挂断点在挂断点之前,请确定自己的开放了相应的端口。之后记得使用关掉。

本文首发于泊浮目的专栏:https://segmentfault.com/blog...

在前文 ZStack源码剖析之二次开发——可扩展框架中,我们大概的了解了如何在ZStack中进行二次开发。在本文,笔者将和大家一起了解一下常用debug管理节点的方法,用于更好的了解运行时的情况。

使用日志来debug

阅读日志可以算是最为轻量级的手段了——同理,在大多数情况下,我们最好通过打印日志来观察我们的程序。我们以创建VM为例,看看如何在日志中跟踪它的Trace。

当创建VM以后,我们可以从右上角查看消息记录。如:

请求: {
    "type": "post",
    "path": "vm-instances",
    "body": {
        "params": {
            "name": "vm1",
            "description": "",
            "instanceOfferingUuid": "aee8b43d672e4b019e76471d3767e93a",
            "imageUuid": "e588b839d3013f4fa1490695bc5cd5fb",
            "l3NetworkUuids": [
                "62dc48a48f964e73b463dad1a86089df"
            ],
            "dataDiskOfferingUuids": [],
            "systemTags": [
                "usbRedirect::false",
                "vmConsoleMode::vnc"
            ]
        }
    },
    "sessionUuid": "5bcb2d86e1c64c8ea2568a2d311a90ed",
    "jobUuid": "84d99d2d663856dea44c6eb1a80f9599"
}
返回: {
    "inventory": {
        "uuid": "557c0ee1abeb4cd7929675cf0a239610",
        "name": "vm1",
        "description": "",
        "zoneUuid": "04d920c5dd9342f3bbf7da6a6ece3270",
        "clusterUuid": "627ef14b478d4547ba8c3ef5df65e14f",
        "imageUuid": "e588b839d3013f4fa1490695bc5cd5fb",
        "hostUuid": "3cd0c0d21feb4b5bbf2d962494aa2747",
        "lastHostUuid": "3cd0c0d21feb4b5bbf2d962494aa2747",
        "instanceOfferingUuid": "aee8b43d672e4b019e76471d3767e93a",
        "rootVolumeUuid": "725fbcd4f29e4c7eb584dc83d444c9c3",
        "platform": "Linux",
        "defaultL3NetworkUuid": "62dc48a48f964e73b463dad1a86089df",
        "type": "UserVm",
        "hypervisorType": "KVM",
        "memorySize": 1073741824,
        "cpuNum": 1,
        "cpuSpeed": 0,
        "allocatorStrategy": "LeastVmPreferredHostAllocatorStrategy",
        "createDate": "Mar 13, 2018 10:02:58 PM",
        "lastOpDate": "Mar 13, 2018 10:03:03 PM",
        "state": "Running",
        "internalId": 9,
        "vmNics": [
            {
                "uuid": "1537216f71d6439dab7e27d2c90e78ef",
                "vmInstanceUuid": "557c0ee1abeb4cd7929675cf0a239610",
                "usedIpUuid": "b9dc65ad184f3d8aae43e8082ee86705",
                "l3NetworkUuid": "62dc48a48f964e73b463dad1a86089df",
                "ip": "10.107.100.84",
                "mac": "fa:97:15:73:da:00",
                "netmask": "255.0.0.0",
                "gateway": "10.0.0.1",
                "internalName": "vnic9.0",
                "deviceId": 0,
                "createDate": "Mar 13, 2018 10:02:58 PM",
                "lastOpDate": "Mar 13, 2018 10:02:58 PM"
            }
        ],
        "allVolumes": [
            {
                "uuid": "725fbcd4f29e4c7eb584dc83d444c9c3",
                "name": "ROOT-for-vm1",
                "description": "Root volume for VM[uuid:557c0ee1abeb4cd7929675cf0a239610]",
                "primaryStorageUuid": "53967115ef324a85b634ceb27e84952f",
                "vmInstanceUuid": "557c0ee1abeb4cd7929675cf0a239610",
                "rootImageUuid": "e588b839d3013f4fa1490695bc5cd5fb",
                "installPath": "/opt/zstack/nfsprimarystorage/prim-53967115ef324a85b634ceb27e84952f/rootVolumes/acct-36c27e8ff05c4780bf6d2fa65700f22e/vol-725fbcd4f29e4c7eb584dc83d444c9c3/725fbcd4f29e4c7eb584dc83d444c9c3.qcow2",
                "type": "Root",
                "format": "qcow2",
                "size": 12682240,
                "actualSize": 7995392,
                "deviceId": 0,
                "state": "Enabled",
                "status": "Ready",
                "createDate": "Mar 13, 2018 10:02:58 PM",
                "lastOpDate": "Mar 13, 2018 10:03:00 PM",
                "isShareable": false
            }
        ]
    },
    "jobUuid": "84d99d2d663856dea44c6eb1a80f9599",
    "success": true,
    "sessionUuid": "5bcb2d86e1c64c8ea2568a2d311a90ed"
}

在这里可以看到jobUuid为84d99d2d663856dea44c6eb1a80f9599。那么我们用这个关键字对MN的日志进行grep:

[root@test-mn-ceph ~]# grep 84d99d2d663856dea44c6eb1a80f9599 /usr/local/zstack/apache-tomcat/logs/management-server.log
2018-03-13 22:02:58,545 TRACE [request] {} [ID: 41F5004148EA6A7A4D0DC1FF7E5120B4, Method: POST] Request from 127.0.0.1 (to /zstack/v1/vm-instances),  Headers: {"accept":["text/plain, text/plain, application/json, application/*+json, */*, */*"],"content-type":["application/json;charsetu003dutf-8"],"authorization":["OAuth 5bcb2d86e1c64c8ea2568a2d311a90ed"],"x-job-uuid":["84d99d2d663856dea44c6eb1a80f9599"],"x-web-hook":["http://0.0.0.0:5000/webhook"],"accept-charset":["big5, big5-hkscs, cesu-8, euc-jp, euc-kr, gb18030, gb2312, gbk, ibm-thai, ibm00858, ibm01140, ibm01141, ibm01142, ibm01143, ibm01144, ibm01145, ibm01146, ibm01147, ibm01148, ibm01149, ibm037, ibm1026, ibm1047, ibm273, ibm277, ibm278, ibm280, ibm284, ibm285, ibm290, ibm297, ibm420, ibm424, ibm437, ibm500, ibm775, ibm850, ibm852, ibm855, ibm857, ibm860, ibm861, ibm862, ibm863, ibm864, ibm865, ibm866, ibm868, ibm869, ibm870, ibm871, ibm918, iso-2022-cn, iso-2022-jp, iso-2022-jp-2, iso-2022-kr, iso-8859-1, iso-8859-13, iso-8859-15, iso-8859-2, iso-8859-3, iso-8859-4, iso-8859-5, iso-8859-6, iso-8859-7, iso-8859-8, iso-8859-9, jis_x0201, jis_x0212-1990, koi8-r, koi8-u, shift_jis, tis-620, us-ascii, utf-16, utf-16be, utf-16le, utf-32, utf-32be, utf-32le, utf-8, windows-1250, windows-1251, windows-1252, windows-1253, windows-1254, windows-1255, windows-1256, windows-1257, windows-1258, windows-31j, x-big5-hkscs-2001, x-big5-solaris, x-compound_text, x-euc-jp-linux, x-euc-tw, x-eucjp-open, x-ibm1006, x-ibm1025, x-ibm1046, x-ibm1097, x-ibm1098, x-ibm1112, x-ibm1122, x-ibm1123, x-ibm1124, x-ibm1166, x-ibm1364, x-ibm1381, x-ibm1383, x-ibm300, x-ibm33722, x-ibm737, x-ibm833, x-ibm834, x-ibm856, x-ibm874, x-ibm875, x-ibm921, x-ibm922, x-ibm930, x-ibm933, x-ibm935, x-ibm937, x-ibm939, x-ibm942, x-ibm942c, x-ibm943, x-ibm943c, x-ibm948, x-ibm949, x-ibm949c, x-ibm950, x-ibm964, x-ibm970, x-iscii91, x-iso-2022-cn-cns, x-iso-2022-cn-gb, x-iso-8859-11, x-jis0208, x-jisautodetect, x-johab, x-macarabic, x-maccentraleurope, x-maccroatian, x-maccyrillic, x-macdingbat, x-macgreek, x-machebrew, x-maciceland, x-macroman, x-macromania, x-macsymbol, x-macthai, x-macturkish, x-macukraine, x-ms932_0213, x-ms950-hkscs, x-ms950-hkscs-xp, x-mswin-936, x-pck, x-sjis_0213, x-utf-16le-bom, x-utf-32be-bom, x-utf-32le-bom, x-windows-50220, x-windows-50221, x-windows-874, x-windows-949, x-windows-950, x-windows-iso2022jp"],"user-agent":["Java/1.8.0_102"],"host":["localhost:8080"],"connection":["keep-alive"],"content-length":["285"]}, Body: {"params":{"name":"vm1","description":"","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"dataDiskOfferingUuids":[],"systemTags":["usbRedirect::false","vmConsoleMode::vnc"]}}
2018-03-13 22:02:58,571 TRACE [CloudBusImpl2] {} [msg send]: {"org.zstack.header.vm.APICreateVmInstanceMsg":{"name":"vm1","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"dataDiskOfferingUuids":[],"description":"","strategy":"InstantStart","session":{"uuid":"5bcb2d86e1c64c8ea2568a2d311a90ed"},"timeout":-1,"systemTags":["usbRedirect::false","vmConsoleMode::vnc"],"headers":{"correlationId":"84d99d2d663856dea44c6eb1a80f9599","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema":{},"task-context":{}},"id":"84d99d2d663856dea44c6eb1a80f9599","serviceId":"api.portal","createdTime":1520949778545}}
2018-03-13 22:02:58,571 TRACE [request] {} [ID: 41F5004148EA6A7A4D0DC1FF7E5120B4] Response to 127.0.0.1 (/zstack/v1/vm-instances), Status Code: 202, Body: {"location":"http://10.0.50.236:8080/zstack/v1/api-jobs/84d99d2d663856dea44c6eb1a80f9599"}
2018-03-13 22:02:58,578 TRACE [CloudBusImpl2] {} [msg received]: {"org.zstack.header.vm.APICreateVmInstanceMsg":{"name":"vm1","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"dataDiskOfferingUuids":[],"description":"","strategy":"InstantStart","session":{"uuid":"5bcb2d86e1c64c8ea2568a2d311a90ed"},"timeout":-1,"systemTags":["usbRedirect::false","vmConsoleMode::vnc"],"headers":{"correlationId":"84d99d2d663856dea44c6eb1a80f9599","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema":{},"task-context":{}},"id":"84d99d2d663856dea44c6eb1a80f9599","serviceId":"api.portal","createdTime":1520949778545}}
2018-03-13 22:02:58,587 TRACE [CloudBusImpl2] {api=84d99d2d663856dea44c6eb1a80f9599} [msg send]: {"org.zstack.header.vm.APICreateVmInstanceMsg":{"name":"vm1","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"type":"UserVm","dataDiskOfferingUuids":[],"description":"","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","strategy":"InstantStart","session":{"uuid":"5bcb2d86e1c64c8ea2568a2d311a90ed","accountUuid":"36c27e8ff05c4780bf6d2fa65700f22e","userUuid":"36c27e8ff05c4780bf6d2fa65700f22e","expiredDate":"Mar 14, 2018 12:02:44 AM","createDate":"Mar 13, 2018 10:02:44 PM"},"timeout":1800000,"systemTags":["usbRedirect::false","vmConsoleMode::vnc"],"headers":{"correlationId":"84d99d2d663856dea44c6eb1a80f9599","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema":{},"task-context":{"task-name":"org.zstack.header.vm.APICreateVmInstanceMsg","api":"84d99d2d663856dea44c6eb1a80f9599"}},"id":"84d99d2d663856dea44c6eb1a80f9599","serviceId":"vmInstance.d40422d825634e3392e51e3ec488e2a3","createdTime":1520949778545}}
2018-03-13 22:02:58,588 TRACE [CloudBusImpl2] {} [msg received]: {"org.zstack.header.vm.APICreateVmInstanceMsg":{"name":"vm1","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"type":"UserVm","dataDiskOfferingUuids":[],"description":"","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","strategy":"InstantStart","session":{"uuid":"5bcb2d86e1c64c8ea2568a2d311a90ed","accountUuid":"36c27e8ff05c4780bf6d2fa65700f22e","userUuid":"36c27e8ff05c4780bf6d2fa65700f22e","expiredDate":"Mar 14, 2018 12:02:44 AM","createDate":"Mar 13, 2018 10:02:44 PM"},"timeout":1800000,"systemTags":["usbRedirect::false","vmConsoleMode::vnc"],"headers":{"correlationId":"84d99d2d663856dea44c6eb1a80f9599","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema":{},"task-context":{"task-name":"org.zstack.header.vm.APICreateVmInstanceMsg","api":"84d99d2d663856dea44c6eb1a80f9599"}},"id":"84d99d2d663856dea44c6eb1a80f9599","serviceId":"vmInstance.d40422d825634e3392e51e3ec488e2a3","createdTime":1520949778545}}
2018-03-13 22:02:58,609 TRACE [CloudBusImpl2] {api=84d99d2d663856dea44c6eb1a80f9599} [msg send]: {"org.zstack.header.vm.StartNewCreatedVmInstanceMsg":{"vmInstanceInventory":{"uuid":"557c0ee1abeb4cd7929675cf0a239610","name":"vm1","description":"","zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","platform":"Linux","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","type":"UserVm","memorySize":1073741824,"cpuNum":1,"cpuSpeed":0,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","createDate":"Mar 13, 2018 10:02:58 PM","lastOpDate":"Mar 13, 2018 10:02:58 PM","state":"Created","internalId":9,"vmNics":[],"allVolumes":[]},"l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"dataDiskOfferingUuids":[],"timeout":10800000,"headers":{"correlationId":"87d14852288b422cb927ea608d9407b4","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema":{"vmInstanceInventory":"org.zstack.header.vm.VmInstanceInventory"},"task-context":{"task-name":"org.zstack.header.vm.APICreateVmInstanceMsg","api":"84d99d2d663856dea44c6eb1a80f9599"}},"id":"87d14852288b422cb927ea608d9407b4","serviceId":"vmInstance.d40422d825634e3392e51e3ec488e2a3","createdTime":1520949778609}}
2018-03-13 22:02:58,611 TRACE [CloudBusImpl2] {} [msg received]: {"org.zstack.header.vm.StartNewCreatedVmInstanceMsg":{"vmInstanceInventory":{"uuid":"557c0ee1abeb4cd7929675cf0a239610","name":"vm1","description":"","zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","platform":"Linux","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","type":"UserVm","memorySize":1073741824,"cpuNum":1,"cpuSpeed":0,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","createDate":"Mar 13, 2018 10:02:58 PM","lastOpDate":"Mar 13, 2018 10:02:58 PM","state":"Created","internalId":9,"vmNics":[],"allVolumes":[]},"l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"dataDiskOfferingUuids":[],"timeout":10800000,"headers":{"correlationId":"87d14852288b422cb927ea608d9407b4","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema":{"vmInstanceInventory":"org.zstack.header.vm.VmInstanceInventory"},"task-context":{"task-name":"org.zstack.header.vm.APICreateVmInstanceMsg","api":"84d99d2d663856dea44c6eb1a80f9599"}},"id":"87d14852288b422cb927ea608d9407b4","serviceId":"vmInstance.d40422d825634e3392e51e3ec488e2a3","createdTime":1520949778609}}
2018-03-13 22:02:58,630 DEBUG [VmInstanceBase] {api=84d99d2d663856dea44c6eb1a80f9599} vm[uuid:557c0ee1abeb4cd7929675cf0a239610] changed state from Created to Starting in db
2018-03-13 22:02:58,631 TRACE [CloudBusImpl2] {api=84d99d2d663856dea44c6eb1a80f9599} [event publish]: {"org.zstack.core.cloudbus.CanonicalEvent":{"path":"/vm/state/change","content":{"vmUuid":"557c0ee1abeb4cd7929675cf0a239610","oldState":"Created","newState":"Starting","inventory":{"uuid":"557c0ee1abeb4cd7929675cf0a239610","name":"vm1","description":"","zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","platform":"Linux","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","type":"UserVm","memorySize":1073741824,"cpuNum":1,"cpuSpeed":0,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","createDate":"Mar 13, 2018 10:02:58 PM","state":"Starting","internalId":9,"vmNics":[],"allVolumes":[]},"date":"Mar 13, 2018 10:02:58 PM"},"managementNodeId":"d40422d825634e3392e51e3ec488e2a3","headers":{"schema":{"content":"org.zstack.header.vm.VmCanonicalEvents$VmStateChangedData","content.inventory":"org.zstack.header.vm.VmInstanceInventory"},"task-context":{"task-name":"org.zstack.header.vm.APICreateVmInstanceMsg","api":"84d99d2d663856dea44c6eb1a80f9599"}},"id":"2f47da70661040f18091964eb7a48d5b","createdTime":1520949778630}}
2018-03-13 22:02:58,632 DEBUG [SchedulerFacadeImpl] {api=84d99d2d663856dea44c6eb1a80f9599} vm [uuid:557c0ee1abeb4cd7929675cf0a239610] not set any scheduler
2018-03-13 22:02:58,633 DEBUG [SimpleFlowChain] {api=84d99d2d663856dea44c6eb1a80f9599} [FlowChain(FCID_ac2d695b): create-vm-557c0ee1abeb4cd7929675cf0a239610] starts
2018-03-13 22:02:58,633 TRACE [CloudBusImpl2] {} [event received]: {"org.zstack.core.cloudbus.CanonicalEvent":{"path":"/vm/state/change","content":{"vmUuid":"557c0ee1abeb4cd7929675cf0a239610","oldState":"Created","newState":"Starting","inventory":{"uuid":"557c0ee1abeb4cd7929675cf0a239610","name":"vm1","description":"","zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","platform":"Linux","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","type":"UserVm","memorySize":1073741824,"cpuNum":1,"cpuSpeed":0,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","createDate":"Mar 13, 2018 10:02:58 PM","state":"Starting","internalId":9,"vmNics":[],"allVolumes":[]},"date":"Mar 13, 2018 10:02:58 PM"},"managementNodeId":"d40422d825634e3392e51e3ec488e2a3","type":{"_name":"key.event.LOCAL.canonicalEvent"},"headers":{"schema":{"content":"org.zstack.header.vm.VmCanonicalEvents$VmStateChangedData","content.inventory":"org.zstack.header.vm.VmInstanceInventory"},"task-context":{"task-name":"org.zstack.header.vm.APICreateVmInstanceMsg","api":"84d99d2d663856dea44c6eb1a80f9599"}},"id":"2f47da70661040f18091964eb7a48d5b","createdTime":1520949778630}}
2018-03-13 22:02:58,633 TRACE [SimpleFlowChain] {api=84d99d2d663856dea44c6eb1a80f9599} execution path:
2018-03-13 22:02:58,633 DEBUG [SimpleFlowChain] {api=84d99d2d663856dea44c6eb1a80f9599} [FlowChain(FCID_ac2d695b): create-vm-557c0ee1abeb4cd7929675cf0a239610] start executing flow[VmImageSelectBackupStorageFlow.java:VmImageSelectBackupStorageFlow]
2018-03-13 22:02:58,636 DEBUG [SimpleFlowChain] {api=84d99d2d663856dea44c6eb1a80f9599} [FlowChain(FCID_ac2d695b): create-vm-557c0ee1abeb4cd7929675cf0a239610] successfully executed flow[VmImageSelectBackupStorageFlow.java:VmImageSelectBackupStorageFlow]
2018-03-13 22:02:58,636 DEBUG [SimpleFlowChain] {api=84d99d2d663856dea44c6eb1a80f9599} [FlowChain(FCID_ac2d695b): create-vm-557c0ee1abeb4cd7929675cf0a239610] start executing flow[VmAllocateHostFlow.java:VmAllocateHostFlow]
2018-03-13 22:02:58,639 TRACE [CloudBusImpl2] {api=84d99d2d663856dea44c6eb1a80f9599} [msg send]: {"org.zstack.header.allocator.DesignatedAllocateHostMsg":{"zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","cpuCapacity":1,"memoryCapacity":1073741824,"diskSize":12682240,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","avoidHostUuids":[],"l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"vmInstance":{"uuid":"557c0ee1abeb4cd7929675cf0a239610","name":"vm1","description":"","zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","platform":"Linux","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","type":"UserVm","memorySize":1073741824,"cpuNum":1,"cpuSpeed":0,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","createDate":"Mar 13, 2018 10:02:58 PM","lastOpDate":"Mar 13, 2018 10:02:58 PM","state":"Created","internalId":9,"vmNics":[],"allVolumes":[]},"image":{"uuid":"e588b839d3013f4fa1490695bc5cd5fb","name":"Image-1","description":"","state":"Enabled","status":"Ready","size":12682240,"actualSize":7995392,"md5Sum":"f0fde821df71aaec63063bef1fb0a46a231e5a3fbb37ed5671eabee7563eb3f8","url":"file:///opt/zstack-dvd/zstack-image-1.4.qcow2","mediaType":"RootVolumeTemplate","type":"zstack","platform":"Linux","format":"qcow2","system":false,"createDate":"Mar 9, 2018 8:09:53 PM","lastOpDate":"Mar 9, 2018 8:09:53 PM","backupStorageRefs":[{"id":13,"imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","backupStorageUuid":"c18ea1ae1df742449b8a1d5a3527e96e","installPath":"zstore://e588b839d3013f4fa1490695bc5cd5fb/07c5391ad7028e098762f9e3f4005e739576df33","status":"Ready","createDate":"Mar 9, 2018 8:09:53 PM","lastOpDate":"Mar 9, 2018 8:09:53 PM"}]},"vmOperation":"NewCreate","isDryRun":false,"diskOfferings":[],"allowNoL3Networks":false,"listAllHosts":false,"requiredBackupStorageUuid":"c18ea1ae1df742449b8a1d5a3527e96e","timeout":3600000,"headers":{"correlationId":"7150a9f7925c4ac9b11d818cc233cf98","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema":{"image":"org.zstack.header.image.ImageInventory","image.backupStorageRefs[0]":"org.zstack.header.image.ImageBackupStorageRefInventory","vmInstance":"org.zstack.header.vm.VmInstanceInventory"},"task-context":{"api":"84d99d2d663856dea44c6eb1a80f9599","task-name":"org.zstack.header.vm.APICreateVmInstanceMsg","progress-enabled":"true"}},"id":"7150a9f7925c4ac9b11d818cc233cf98","serviceId":"host.allocator.d40422d825634e3392e51e3ec488e2a3","createdTime":1520949778638}}
2018-03-13 22:02:58,642 TRACE [CloudBusImpl2] {} [msg received]: {"org.zstack.header.allocator.DesignatedAllocateHostMsg":{"zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","cpuCapacity":1,"memoryCapacity":1073741824,"diskSize":12682240,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","avoidHostUuids":[],"l3NetworkUuids":["62dc48a48f964e73b463dad1a86089df"],"vmInstance":{"uuid":"557c0ee1abeb4cd7929675cf0a239610","name":"vm1","description":"","zoneUuid":"04d920c5dd9342f3bbf7da6a6ece3270","imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","instanceOfferingUuid":"aee8b43d672e4b019e76471d3767e93a","platform":"Linux","defaultL3NetworkUuid":"62dc48a48f964e73b463dad1a86089df","type":"UserVm","memorySize":1073741824,"cpuNum":1,"cpuSpeed":0,"allocatorStrategy":"LeastVmPreferredHostAllocatorStrategy","createDate":"Mar 13, 2018 10:02:58 PM","lastOpDate":"Mar 13, 2018 10:02:58 PM","state":"Created","internalId":9,"vmNics":[],"allVolumes":[]},"image":{"uuid":"e588b839d3013f4fa1490695bc5cd5fb","name":"Image-1","description":"","state":"Enabled","status":"Ready","size":12682240,"actualSize":7995392,"md5Sum":"f0fde821df71aaec63063bef1fb0a46a231e5a3fbb37ed5671eabee7563eb3f8","url":"file:///opt/zstack-dvd/zstack-image-1.4.qcow2","mediaType":"RootVolumeTemplate","type":"zstack","platform":"Linux","format":"qcow2","system":false,"createDate":"Mar 9, 2018 8:09:53 PM","lastOpDate":"Mar 9, 2018 8:09:53 PM","backupStorageRefs":[{"id":13,"imageUuid":"e588b839d3013f4fa1490695bc5cd5fb","backupStorageUuid":"c18ea1ae1df742449b8a1d5a3527e96e","installPath":"zstore://e588b839d3013f4fa1490695bc5cd5fb/07c5391ad7028e098762f9e3f4005e739576df33","status":"Ready","createDate":"Mar 9, 2018 8:09:53 PM","lastOpDate":"Mar 9, 2018 8:09:53 PM"}]},"vmOperation":"NewCreate","isDryRun":false,"diskOfferings":[],"allowNoL3Networks":false,"listAllHosts":false,"requiredBackupStorageUuid":"c18ea1ae1df742449b8a1d5a3527e96e","timeout":3600000,"headers":{"correlationId":"7150a9f7925c4ac9b11d818cc233cf98","replyTo":"zstack.message.cloudbus.d40422d825634e3392e51e3ec488e2a3","noReply":"false","schema"
篇幅问题,这里不再多贴相关的日志

这样,我们就可以得知一个API到底在MN中做了什么事了。在/var/log/zstack还有agent相关的日志,有兴趣的读者可以自行搜索。

使用Test Case来定位问题

在读本节前,希望读者能够读过以下文章:

[小谈自动化测试:从ZStack Integration Test谈起]()

[ZStack的IntergrationTest]()

我们先将GitHub上的ZStack Clone到自己的机器上来,如图:

并执行mvn compile,这里理应编译成功:

好,我们切换到test目录下:

[root@10-0-86-20 zstack-openresource]# cd test
[root@10-0-86-20 test]# ls
pom.xml  src  target  zstack-integration-test-result
[root@10-0-86-20 test]# 

使用mvn test -Dtest=YOUR_TEST_CASE_NAME来跑相应的case,如mvn test -Dtest=VmGCCase

如果没什么问题,一般是成功的:

小Tips:如果你仅仅修改了groovy的case,那是不需要编译的。但如果你修改了一行Java代码,并想使其生效,请记得编译。
挂断点

在挂断点之前,请确定自己的iptables开放了相应的端口。

真实环境

为了方便起见,我们先在家目录的bashrc中添加如下命令:

alias opendebug="zstack-ctl setenv CATALINA_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=5005 -Xnoagent -Djava.compiler=NONE""
alias closedebug="zstack-ctl unsetenv CATALINA_OPTS"
alias mvndebug="mvn -Dmaven.surefire.debug="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -Xnoagent -Djava.compiler=NONE""

然后关闭管理节点,opendebug,再开启管理节点。这时可以使用IDE配置remote debug连上去,接下来就可以debug了。debug之后记得使用closedebug关掉。

Test Case

在测试目录下,参考以下命令:

mvn -Dmaven.surefire.debug -Dtest=YOUR_TEST_CASE test

这样,它会等待你的断点挂上去后再跑里面的测试。

文章版权归作者所有,未经允许请勿转载,若此文章存在违规行为,您可以联系管理员删除。

转载请注明本文地址:https://www.ucloud.cn/yun/76712.html

相关文章

  • ZStack源码剖析二次开发——可扩展框架

    摘要:但在实际的二次开发中,这些做法未必能够完全满足需求。在源码剖析之核心库鉴赏一文中,我们了解到是的基础设施之一,同时也允许通过显示声明的方式来声明。同理,一些也可以使用继承进行扩展。 本文首发于泊浮目的专栏:https://segmentfault.com/blog... 前言 在ZStack博文-5.通用插件系统中,官方提出了几个较为经典的扩展方式。但在实际的二次开发中,这些做法未必...

    lolomaco 评论0 收藏0
  • ZStack源码剖析二次开发——在Utility上堆代码

    摘要:本文首发于泊浮目的专栏背景在上篇文章中源码剖析之二次开发可扩展框架,我们简单的了解了一下核心引擎的二次开发技巧。而在没有足够人力来维护开发时,我们会将目标定为能够及时跟上发布版本。 本文首发于泊浮目的专栏:https://segmentfault.com/blog... 背景 在上篇文章中(ZStack源码剖析之二次开发——可扩展框架),我们简单的了解了一下ZStack核心引擎的二次...

    bladefury 评论0 收藏0
  • ZStack源码剖析之设计模式鉴赏——三驾马车

    摘要:但新增模块的结构却还是大致相同,此即是的经典设计模式这套模式也被开发者称为三驾马车。领域层定义负责表达业务概念,业务状态信息以及业务规则。 本文首发于泊浮目的专栏:https://segmentfault.com/blog... 前言 随着ZStack的版本迭代,其可以掌管的资源也越来越多。但新增模块的结构却还是大致相同,此即是ZStack的经典设计模式——这套模式也被开发者称为ZS...

    honhon 评论0 收藏0
  • ZStack源码剖析之核心库鉴赏——ThreadFacade

    摘要:每个消息都会被一个线程消费,同时最大并发量为。然后提交一个任务到线程池中,这个任务的内容是从等待队列中取出一个,如果等待队列为空,则删除这个等待队列的。小结本文分析了的久经生产考验的核心组件线程池。 本文首发于泊浮目的专栏:https://segmentfault.com/blog... 前言 在ZStack中,最基本的执行单位不仅仅是一个函数,也可以是一个任务(Task。其本质实现...

    enali 评论0 收藏0
  • ZStack源码剖析之模块鉴赏——LongJob

    摘要:因为这个状态下,是交给一个线程在执行的,见源码剖析之核心库鉴赏中的分析。并且允许等行为。上面提到过,允许运行暂停取消等行为。维护和相应的之间的关系。则停止执行并触发之前的所有。 本文首发于泊浮目的专栏:https://segmentfault.com/blog... 前言 在ZStack中,当用户在UI上发起操作时,前端会调用后端的API对实际的资源发起操作请求。但在一个分布式系统中...

    cheukyin 评论0 收藏0

发表评论

0条评论

最新活动
阅读需要支付1元查看
<