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Grouper Training - Admin - WS - Part 2 Chris Hyzer Internet2 University of Pennsylvania This work licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.
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2 Contents Introduction Configuration Logging High availability Monitoring Troubleshooting
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3 Introduction
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4 Configuration grouper-ws.properties See file for all options, here are some examples Control who can access WS by group If you configure this, you could auto-create the group and auto-assign users in the grouper.properties
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5 Configuration (continued) Which users can act-as which other users
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6 Configuration (continued) Which subject attributes are sent by default (note, client can request more)
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7 Logging Logging is controlled via log4j.properties Clients can easily proxy (especially in non-SSL test environment) Errors are generally returned to client GrouperClient has --debug=true switch to log request and response
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8 Logging (continued) Can log requests and responses on server (2.1.1+) Should generally not do in production Edit web.xml Add log4j debug settings
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9 High availability Can have multiple app servers connected to one registry Might want session persistence by source IP address There are many ways to do this, here are two Load balancers WS servers Registry Client
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10 High availability (continued) For improved availability, can deploy in multiple data centers, load balance on client GrouperClient can do this, or custom client Load balancers WS servers Readonly Registry Client Load balancers WS servers Registry Data center 1 Data center 2 One-way replication
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11 Monitoring Monitor like any other web application Status servlet can check health Hook up to monitoring software e.g. Nagios Monitoring software e.g. Nagios WS servers Registry
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12 Monitoring (continued) Status servlet will return 200 on success Can have log4j errors emailed to admins TODO ADD EXAMPLE
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13 Troubleshooting Generally the client will receive a descriptive error to troubleshoot their own problems Refer the client to the WS samples / docs Use the GrouperClient with --debug to show examples of requests / responses Contact the Grouper-users email list
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14 Quiz Click on the quiz link in the video description to reinforce your knowledge of this topic
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Thanks! Further information: Infosheets, mailing lists, wiki, downloads, etc.: www.internet2.edu/grouper www.internet2.edu/grouper Grouper demo server: grouperdemo.internet2.edu/ grouperdemo.internet2.edu/ Grouper Online Training Home: spaces.internet2.edu/x/IIGfAQ This work licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. 15
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