Changes for page Wonder JavaMonitor and wotaskd
Last modified by Pascal Robert on 2023/08/10 22:21
From version 118.1
edited by David Avendasora
on 2010/11/29 20:02
on 2010/11/29 20:02
Change comment:
There is no comment for this version
To version 111.1
edited by David Avendasora
on 2010/11/29 20:24
on 2010/11/29 20:24
Change comment:
There is no comment for this version
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... ... @@ -28,18 +28,34 @@ 28 28 * *\-Dwonder.patch=54*: tells Wonder to build for WebObjects version 5.4. You need this if you are building against Wonder Trunk. Some branches don't need it, but it doesn't hurt either. 29 29 * *\-Ddeployment.standalone=true*: argument will embed the required Wonder and WebObjects frameworks in built applications. You need this to ensure that the required frameworks are embedded in the built applications. 30 30 31 - 32 - 33 33 {{/info}} 34 34 35 35 === Major Improvements over Apple's versions === 36 36 37 -==== Statistics====35 +==== Automatic archive of SiteConfig.xml ==== 38 38 39 - Ifyoucall[[http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics]],theanswersend youbackstatistics,inJSONformat,about instances, perpplication.Sample :37 +On every change you make to an application's configuration, a backup of SiteConfig.xml will be created in, by default, /Library/WebObjects/Configuration. 40 40 41 - {{code}}39 +==== Simplified/Automated Bouncing ==== 42 42 41 +In the "list instances" page, you get a "Bounce" action link. This action only work if you have at least one active instance and one inactive. What it does is : 42 + 43 +* Find the inactive (eg : not started) instance and start it 44 +* Find the active instances (minus the one started the step below) and enable "Refuse New Session" 45 +* Bounce the active instances when the minimum session count is reached 46 + 47 +This feature, from Pascal's understanding, allows you to upload new versions of your application, start up the new version and refuse sessions for the instances running on the older version. 48 + 49 +{{warning title="Database Changes"}} 50 + 51 +It is uncertain what will happen if the new version of your application makes changes to your database schema (e.g., uses [ERXMigrations|WO:Project WONDER-Frameworks-ERXMigration]). The old instances may raise exceptions before they can gracefully shut down because the schema no longer matches what the old application's EOF expects. *Try it out on a test server first and then update this page so everyone knows\!* 52 +{note} 53 + 54 +h4. Statistics 55 + 56 +If you call {noformat:nopanel=true}http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics{noformat}, JavaMonitor will send you back statistics, in JSON format, about instances, per application. 57 + 58 +{code:title=Statistics Example Results} 43 43 ( 44 44 { 45 45 "configuredInstances" = "2"; ... ... @@ -74,119 +74,90 @@ 74 74 "sumTransactions" = "1"; 75 75 } 76 76 ) 93 +{code} 77 77 78 - {{/code}}95 +If JavaMonitor is configured with a password, and I hope you do, pass _pw=monitorpassword_ as a argument to the query : 79 79 80 - If JavaMonitorisconfigured withapassword, and I hope you do, pass//pw=monitorpassword// as a argument to the query :97 +[http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics?pw=monitorpassword] 81 81 82 - [[http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics?pw=monitorpassword]]99 +h4. Direct Actions to many tasks 83 83 84 - ====DirectActions to many tasks====101 +You can do most of the standard tasks you do in Monitor by calling direct actions. They are in a different query handler, _/admin_. They follow the same format and use the same query parameters. Those DA can be useful if you need to restart instances or other tasks within ant or other build/deployment systems. 85 85 86 -You can do most of the standard tasks you do in Monitor by calling direct actions. They are in a different query handler, ///admin//. They follow the same format and use the same query parameters. Those DA can be useful if you need to restart instances or other tasks within ant or other build/deployment systems. 103 +_?type=all_ : return details about all applications and instances 104 +_?type=app&name=AppName_ : return details about all instances of a specific application 105 +_?type=ins&name=AppName-InstanceNo_ : return details about one specific instance 87 87 88 -//?type=all// : return details about all applications and instances 89 -//?type=app&name=AppName// : return details about all instances of a specific application 90 -//?type=ins&name=AppName-InstanceNo// : return details about one specific instance 91 - 92 92 For example, if you want to get details about all instances and applications, you call : 93 93 94 -[ [http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=all]]109 +[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=all] 95 95 96 -To get details about the //AjaxExample//application :111 +To get details about the _AjaxExample_ application : 97 97 98 -[ [http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=app&name=AjaxExample]]113 +[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=app&name=AjaxExample] 99 99 100 100 And for a specific instance : 101 101 102 -[ [http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=ins&name=AjaxExample-1]]117 +[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=ins&name=AjaxExample-1] 103 103 104 -The response for the direct actions will either send a JSON array or YES/NO. For example, the query //info//for all instances will return :119 +The response for the direct actions will either send a JSON array or YES/NO. For example, the query _info_ for all instances will return : 105 105 106 -{{code}} 107 - 121 +{code} 108 108 [Hudson Build Server for Wonder|http://webobjects.mdimension.com/hudson/job/Wonder54/lastSuccessfulBuild/artifact/dist/] 123 +{code} 109 109 110 -{{/code}} 111 - 112 112 List of available direct actions : 113 113 114 -/ //info//: return details (number of deaths, state, etc.; see above), in JSON, about an instance.115 -/ //running//: return YES if the instance is running, NO if not.116 -/ //stopped//: return NO if the instance is running, YES if not.117 -/ //bounce//: more on it later.118 -/ //clearDeaths//: clear the number of deaths (same action as clicking the "Clear deaths" in JavaMonitor)119 -/ //turnScheduledOn//: turn scheduling on for an application or instance. Call ///turnScheduledOff//to do the opposite.120 -/ //turnRefuseNewSessionsOn//: turn "Refuse new sessions" on, call//turnRefuseNewSessionsOff//to do the opposite.121 -/ //turnAutoRecoverOn//: guess what? It activate "Auto recover" And guess again? ///turnAutoRecoverOff//do the opposite122 -/ //forceQuit//: force quit an application, might be useful to call it from a monitoring system.123 -/ //stop//: stop an application/instance the normal way.124 -/ //start//: start an application/instance the normal way.127 +_/info_ : return details (number of deaths, state, etc.; see above), in JSON, about an instance. 128 +_/running_ : return YES if the instance is running, NO if not. 129 +_/stopped_ : return NO if the instance is running, YES if not. 130 +_/bounce_: more on it later. 131 +_/clearDeaths_ : clear the number of deaths (same action as clicking the "Clear deaths" in JavaMonitor) 132 +_/turnScheduledOn_ : turn scheduling on for an application or instance. Call _/turnScheduledOff_ to do the opposite. 133 +_/turnRefuseNewSessionsOn_ : turn "Refuse new sessions" on, call _turnRefuseNewSessionsOff_ to do the opposite. 134 +_/turnAutoRecoverOn_ : guess what? It activate "Auto recover"\! And guess again? _/turnAutoRecoverOff_ do the opposite\! 135 +_/forceQuit_ : force quit an application, might be useful to call it from a monitoring system. 136 +_/stop_ : stop an application/instance the normal way. 137 +_/start_ : start an application/instance the normal way. 125 125 126 - ==== Automatic archiveof SiteConfig.xml====139 +h4. Remote Control via REST Routes 127 127 128 -On e verychangeyou dototheconfiguration,abackupofSiteConfig.xmlwillbedonein,bydefault,/Library/WebObjects/Configuration.141 +On September 28th 2010, REST routes were added in JavaMonitor. Those routes + the direct actions explained in this document allow you to control almost everything remotely (make sure that your JavaMonitor installation is secure\!). As the direct actions, append _?pw=XXXX_ to the URLs if JavaMonitor is password protected. 129 129 130 -==== Simplified/Automated Bouncing ==== 131 - 132 -In the "list instances" page, you get a "Bounce" action link. This action only work if you have at least one active instance and one inactive. What it does is : 133 - 134 -* Find the inactive (eg : not started) instance and start it 135 -* Find the active instances (minus the one started the step below) and enable "Refuse New Session" 136 -* Bounce the active instances when the minimum session count is reached 137 - 138 -This feature, from my understanding, allow you to upload new versions of your app, start up the new version and refuse sessions for the instances running on the older version. I don't know how this will work if your new version use migrations to change your schema (eg : old instances might raise exceptions because of database schema changes), so try it out on a test server before and put your results here. 139 - 140 -==== Remote Control via REST Routes ==== 141 - 142 -On September 28th 2010, REST routes were added in JavaMonitor. Those routes + the direct actions explained in this document allow you to control almost everything remotely (make sure that your JavaMonitor installation is secure). As the direct actions, append //?pw=XXXX// to the URLs if JavaMonitor is password protected. 143 - 144 144 Examples of REST calls : 145 145 146 146 Fetching the details of all applications : 147 - 148 -{{code}} 149 - 146 +{code} 150 150 curl -X GET http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications.json 148 +{code} 151 151 152 -{{/code}} 153 - 154 154 Adding a new application : 155 155 156 -{{code}} 157 - 152 +{code} 158 158 curl -X POST -d "{id: 'AjaxExample',type: 'MApplication', name: 'AjaxExample',unixOutputPath: '/opt/Local/Library/WebObjects/Logs', unixPath: '/opt/Local/Library/WebObjects/Applications/AjaxExample.woa/AjaxExample'}" http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications.json 154 +{code} 159 159 160 -{{/code}} 161 - 162 162 Adding a new instance : 163 163 164 -{{code}} 165 - 158 +{code} 166 166 curl -X GET http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications/AjaxExample/addInstance&host=localhost 160 +{code} 167 167 168 -{{/code}} 169 - 170 170 Delete an application : 171 171 172 -{{code}} 173 - 164 +{code} 174 174 curl -X DELETE http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications/AjaxExample.json 166 +{code} 175 175 176 -{{/code}} 177 - 178 178 Delete an instance : 179 179 180 -{{code}} 181 - 170 +{code} 182 182 curl -X GET http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications/AjaxExample/deleteInstance?id=1 172 +{code} 183 183 184 -{{/code}} 185 - 186 186 Adding a new host : 187 187 188 -{{code}} 189 - 176 +{code} 190 190 curl -X POST -d "{id: 'otherserver.com',type: 'MHost', osType: 'MACOSX',address: '192.168.20.5', name: 'otherserver.com'}" http://127.0.0.1:56789/apps/WebObjects/JavaMonitor.woa/ra/mHosts.json 191 191 192 -{{/ code}}179 +{{/warning}}