Changes for page Wonder JavaMonitor and wotaskd
Last modified by Pascal Robert on 2023/08/10 22:21
From version 112.1
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
To 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
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -28,34 +28,18 @@ 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 + 31 31 {{/info}} 32 32 33 33 === Major Improvements over Apple's versions === 34 34 35 -==== Automatic archive of SiteConfig.xml====37 +==== Statistics ==== 36 36 37 - Oneverychange youmaketoanapplication'sfiguration, a backupof SiteConfig.xmlwillbecreated in,by default,/Library/WebObjects/Configuration.39 +If you call [[http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics]], the answer send you back statistics, in JSON format, about instances, per application. Sample : 38 38 39 - ==== Simplified/AutomatedBouncing ====41 +{{code}} 40 40 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} 59 59 ( 60 60 { 61 61 "configuredInstances" = "2"; ... ... @@ -90,90 +90,119 @@ 90 90 "sumTransactions" = "1"; 91 91 } 92 92 ) 93 -{code} 94 94 95 - If JavaMonitor isconfiguredwith a password, and I hopeyou do, pass _pw=monitorpassword_ as a argument to the query :78 +{{/code}} 96 96 97 - [http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics?pw=monitorpassword]80 +If JavaMonitor is configured with a password, and I hope you do, pass //pw=monitorpassword// as a argument to the query : 98 98 99 -h 4. DirectActionsmanytasks82 +[[http://monitorhost:port/cgi-bin/WebObjects/JavaMonitor.woa/wa/statistics?pw=monitorpassword]] 100 100 101 - Youcan do most of the standard tasks you doin Monitorby calling directactions.They are in a differentquery handler, _/admin_. They followthe same format and use the same queryparameters. Those DA can be useful if you need to restart instances or other taskswithin ant or other build/deployment systems.84 +==== Direct Actions to many tasks ==== 102 102 103 -_?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 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. 106 106 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 + 107 107 For example, if you want to get details about all instances and applications, you call : 108 108 109 -[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=all] 94 +[[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=all]] 110 110 111 -To get details about the _AjaxExample_application :96 +To get details about the //AjaxExample// application : 112 112 113 -[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=app&name=AjaxExample] 98 +[[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=app&name=AjaxExample]] 114 114 115 115 And for a specific instance : 116 116 117 -[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=ins&name=AjaxExample-1] 102 +[[http://hostname:56789/cgi-bin/WebObjects/JavaMonitor.woa/admin/info?type=ins&name=AjaxExample-1]] 118 118 119 -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 :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 : 120 120 121 -{code} 106 +{{code}} 107 + 122 122 [Hudson Build Server for Wonder|http://webobjects.mdimension.com/hudson/job/Wonder54/lastSuccessfulBuild/artifact/dist/] 123 -{code} 124 124 110 +{{/code}} 111 + 125 125 List of available direct actions : 126 126 127 - _/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.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 opposite 122 +///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. 138 138 139 - h4.Remote Control viaREST Routes126 +==== Automatic archive of SiteConfig.xml ==== 140 140 141 -On September28th2010, REST routeswere added in JavaMonitor.Those routes + thedirectactionsexplainedin this documentallowyoutocontrol almost everythingremotely(makesurethat your JavaMonitorinstallationissecure\!). Asthedirectactions, append _?pw=XXXX_ tothe URLs if JavaMonitoris password protected.128 +On every change you do to the configuration, a backup of SiteConfig.xml will be done in, by default, /Library/WebObjects/Configuration. 142 142 130 +==== 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 + 143 143 Examples of REST calls : 144 144 145 145 Fetching the details of all applications : 146 -{code} 147 + 148 +{{code}} 149 + 147 147 curl -X GET http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications.json 148 -{code} 149 149 152 +{{/code}} 153 + 150 150 Adding a new application : 151 151 152 -{code} 156 +{{code}} 157 + 153 153 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} 155 155 160 +{{/code}} 161 + 156 156 Adding a new instance : 157 157 158 -{code} 164 +{{code}} 165 + 159 159 curl -X GET http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications/AjaxExample/addInstance&host=localhost 160 -{code} 161 161 168 +{{/code}} 169 + 162 162 Delete an application : 163 163 164 -{code} 172 +{{code}} 173 + 165 165 curl -X DELETE http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications/AjaxExample.json 166 -{code} 167 167 176 +{{/code}} 177 + 168 168 Delete an instance : 169 169 170 -{code} 180 +{{code}} 181 + 171 171 curl -X GET http://127.0.0.1:56789/cgi-bin/WebObjects/JavaMonitor.woa/ra/mApplications/AjaxExample/deleteInstance?id=1 172 -{code} 173 173 184 +{{/code}} 185 + 174 174 Adding a new host : 175 175 176 -{code} 188 +{{code}} 189 + 177 177 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 178 178 179 -{{/ warning}}192 +{{/code}}