obiee - going down the rabbit hole - itoug€¦ · [email protected] @rittmanmead obiee: going...
TRANSCRIPT
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OBIEE: Going Down the Rabbit Hole
Francesco Tisiot, BI Tech Lead, Rittman Mead
Christian Berg, CEO, Dimensionality
1
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Francesco TisiotBI Tech Lead at Rittman Mead
Verona, Italy Rittman Mead Blog 10 Years Experience in BI/Analytics
[email protected] @FTisiot Oracle ACE
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Christian Berg
3
• Owner of Dimensionality GmbH in Switzerland• 17 years of Analytics and counting• Oracle ACE Business Analytics• Speaker at OpenWorld, KScope, regional Oracle User Groups...• Full-time IRC (freenode | #obihackers) and OTN participant• Part-time blogger on Analytics, BI, DWH (http://dimensionality.ch)• Oracle Analytics trainer for Oracle University since 10+ years
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About Rittman Mead
4
Rittman Mead is a data and analytics company who specialise in data visualisation, predictive analytics, enterprise reporting and data engineering.
We use our skill, experience and know-how to work with organisations across the world to interpret their data. We enable the business, the consumers, the data providers and IT to work towards a common goal, delivering innovative and cost-effective solutions based on our core values of thought leadership, hard work and honesty.
We work across multiple verticals on projects that range from mature, large scale implementations to proofs of concept and can provide skills in development, architecture, delivery, training and support.
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Imagine a New Car….
5Photo by Samuele Errico Piccarini on Unsplash
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Why Shouldn’t You Accept Defaults?
7
• Speed• Security• Reliability• Maintenance
Photo by Jeremy Bishop on Unsplash
• Lifecycle Management• Acceptance• Usability
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How Do You Achieve Them?
8
ConfigurationAdministrationScriptingMonitoring
Photo by Igor Ovsyannykov on Unsplash
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OBIEE IS NOT WORKING!
Who deleted my files?
How many Users are connected?
Error Message: Contact Administrator!
Photo by Asa Rodger on Unsplash
What’s happening at 11AM?
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Real Examples
11
• Where is the Company Logo?• The Export is too Small!• Why is my Analysis Slow?• What is the RPD live in Prod?• Passwords in Clear Text• Who Can Access my Dashboard and my Data?• How am I Administering the Platform?
Photo by Brandon Morgan on Unsplash
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Corporate Security
Custom Style
Core Configuration
Backups
Photo by Kelli Tungay on Unsplash
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Starting to Get Control
15
• OBIEE logs• OS monitoring• DB monitoring• Usage Tracking• Instrumenting Database Connections
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Performance Analytics Dashboard
17
https://www.rittmanmead.com/performance-analytics/
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Version Control
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• RPD• Catalog• Security• Config Files• Artifacts
Photo by Beatriz Pérez Moya on Unsplash
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System Presentation Variables
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• session.locale• session.language• currency.symbol• dashboard.currentPage• report.currency.symbol
http://host:9704/analytics/saw.dll?Dashboard&PortalPath=YourPath&locale=en-us&lang=en
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System Session Variables
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• DISPLAYNAME• SKIN• TIMEZONE• USERLOCALE
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Safe Harbour Statement
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None of these settings are documented, and they should therefore be assumed to be completely unsupported by Oracle. This presentation is purely for geek interest. Using undocumented APIs leaves you
at risk of the API changing at any time.
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NQS Calls
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‣ Internal ODBC calls against the OBIS (usually via OBIPS) ‣ Normally emitted by OBIPS ‣ «Self-documenting»
• call NQSGetSQLProcedures(‘%’,'%','%') • call NQSGetSQLProcedureColumns(‘%’,’%’,’%’,’%’) • 120+ NQS Calls in 12c
‣ ..turn off «Issue SQL directly»
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Was this ever supported?
27
call SAPurgeAllCache();
call SAPurgeCacheByTable( ‘DbName’, ‘CatName’, ‘SchemaName’, ‘TableName’ );
call SAPurgeCacheByDatabase(‘DbName’);
call SAPurgeCacheByQuery(‘SqlQuery’);
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Oh...and the «fabulous» documentation
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• Exposes only a tiny subset of the actual ODBC functions
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What do we do with this?
29
• As little as possible- if you want to stay supported • As much as conceivable- if you want to make your life easier
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Anything useful?
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• NQSGetSessionValue – real-time variable querying
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Anything useful?
31
• NQSGetSessionValue – real-time variable querying
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Anything Useful?
32
• NQSSetSessionValue• Essbase integration- Writeback - Calc script execution - Automated cube spin-off (if you’re very
brave) • Real-time metadata updates without
Admin tool- If you’re insane. Or me...
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OBIS_DIAGNOSTICS_ENABLED
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NQS_GETCurrentActivitiesProcedure()
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Check What’s HappeningNQS_GETCurrentActivitiesProcedure
•DbGateway Prepare - DB Connection•Executing Query
‣ Logical Hash of SQL‣ SQL Sent‣ Source Analysis
•Post Aggregation
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Once upon a time they wrote an AdminTool
38
• Nice, but...• ...deployment processes with human intervention?!
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A Normal RPD Deployment
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DEVConnection
PoolsJSON
RPD Variables
JSON
RPD
listrpdvariables
Connection PoolsJSON
RPD Variables
JSONAdjust
for target TESTupdaterpdvariables
RPDRPD
Adjust
for target
1
2
2
3
3
4
5
5
Some magic required
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Deployment quirks
40
This not so muchThis is easy
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Automating the necessary bits
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• …that just doesn’t exist according to OracleOffline
HideOpen "G:\Sourcedata\dev.rpd" "" "RPDpassword"SetProperty "Physical Schema" "10 - System DB (ORCL)"."MyOwnPersonalSQLServer"."MyTestSchema" "Name" “DestinationSchema"SetProperty "Physical Catalog" "10 - System DB (ORCL)"."MyOwnPersonalSQLServer" "Name" “DestinationServer"SaveExit
Online
HideOpenOnline "dev_rpd" "weblogic" "weblogicpassword"SetProperty "Physical Schema" "10 - System DB (ORCL)"."MyOwnPersonalSQLServer"."MyTestSchema" "Name" “DestinationSchema"SetProperty "Physical Catalog" "10 - System DB (ORCL)"."MyOwnPersonalSQLServer" "Name" “DestinationServer"SaveExit
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Automating the bells and whistles
42
• LSQL execution• Metadata dictionary generation• String externalization• Rowcount updated• Init block testing
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Re-introducing Chaos into Order
43
• Update physical layer• Import from other RPD• Literally change any
property of any object• …
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Who deleted my Analysis?
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Custom Log Filters for Presentation Catalog
46
Changes in instanceconfig.xml‣ Writer
‣ WriterClassGroup
‣ Filter
‣ sawserver -logsources https://www.rittmanmead.com/blog/2014/11/auditing-obiee-presentation-catalog-activity-with-custom-log-filters/
<Writer implementation="FileLogWriter" name="RM Presentation Catalog Audit" disableCentralControl="true" writerClassId="6" dir="{%ORACLE_BIPS_INSTANCE_LOGDIR%}" filePrefix="rm_pres_cat_audit" maxFileSizeKb="10240" filesN="10" fmtName="ODL-Text"/>
<WriterClassGroup name="RMLog">6</WriterClassGroup>
<FilterRecord writerClassGroup="RMLog" disableCentralControl="true" path="saw.catalog.local.moveItem" information="32" warning="32" error="32" trace="32" incident_error="32"/> <FilterRecord writerClassGroup="RMLog" disableCentralControl="true" path="saw.catalog.local.deleteItem" information="32" warning="32" error="32" trace="32" incident_error="32"/>
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Move Object
47
New Analysis Name
Action
Original Analysis NameUser Details
IP Address
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Deleted Object
48
Action
Original Analysis Name
User DetailsIP Address
• Push to DB• Expose• Review
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I can’t access my folder
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Catalog Validation
51
•Check of Catalog Corruptions• Pre-Upgrade, Post-Upgrade or on Daily Basis • ValidateAccounts • ValidateHomes • ValidateItems • ValidateLinks
https://www.rittmanmead.com/blog/2016/11/performing-a-catalog-validation/
OBIEE 12c: Catalog Validation "OBIPS startup catalog validate is not supported/deprecated." (Doc ID 2199938.1)
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And in 12c?
52
• Doc ID 2199938.1• runcat.sh -cmd validate
./runcat.sh -cmd validate -items Report -links Report -accounts Report -homes Report -offline <path_to_catalog> > cat_validation.log
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Screen
55
• Session Persistence• Multiple Sessions• Scrollback history
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Problem: Default Colours for Graphs not Working
57
OBIPS OBIJH
Chart Request
Chart Rendering
Apply DefaultColors
Build Graph
Request Analysis
AnalysisRendering
viewui/chart/dvt-graph-skin.xmlCustomerResourcePhysicalPath
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Analysing Traffic
59
Tcpdump‣ Analysis of TCP Packets
‣ Intra Components Traffic
• OBIPS to JavaHost
• port 9810: JavaHost
• Flag A: ASCII representation of the packet
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Analysing Traffic
60
Tcpdump‣ Analysis of TCP Packets
‣ Intra Components Traffic
• OBIPS to JavaHost
• port 9810: JavaHost
• Flag A: ASCII representation of the packet
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Analysing System Calls
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Strace‣ Tracing System Calls
‣ Calls to/from any Process
‣ -o: output to a file
‣ -f: follow child processes
‣ -p: process to follow /data/instance1/s_custom//data/instance2/s_custom/
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This mostly looks normal… Are there more hacks?
62
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OBIEE 12c vs OBIEE11g
63
• No more OPMN -> Node Manager• Same black box protocols (sawserver, nqserver)• Same old SOAP webservices• New REST-based webservices
None of these Web Services are documented, and they should therefore be assumed to be completely unsupported by Oracle. This presentation is purely for geek interest. Using undocumented APIs leaves you
at risk of the API changing at any time.
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Sysdig
64
• Open Source
• Linux system level exploration
• -A: Print ASCII, i.e. human-readable data
• fd.port=7780: Managed Server
• (evt.buffer contains GET or evt.buffer contains POST): GET or POST traffic only
sudo sysdig -s 2000 -A "fd.port=7780 and (evt.buffer contains GET or evt.buffer contains POST)"
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Sysdig Output
65
18168 17:40:42.202935645 0 java (7563) < read res=636 data= GET /va/api/v1/dataset/limits HTTP/1.1 Host: 192.168.56.101:7780 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:53.0) Gecko/20100101 Firefox/53.0 Accept: */* Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-CSRF-Token: bZTrpHmsXqDhqj03HtWOG53dujUpavZrkLtraCppbxQyysJe X-Requested-With: XMLHttpRequest Referer: http://192.168.56.101:7780/va/?pageid=datasources Cookie: JSESSIONID=6JUXECYd13o9Si7pFf8jYT_fTu-u7jkTJLURXsPxzzoRCBlB51wV!-87768635; ORA_BIPS_NQID=tkhrmqr1scmhkba6si8eg362i558136crprqo gcia27beheg Connection: keep-alive
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From New Browser
66
Missing Cookie?
How to Test?
Google Chrome Developer Tool
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Paw
67
REST API client for Mac- Similar to Postman, SoapUI - Copy Request as cURL - Paste into Paw - Complete Control of Headers - Formatted Layout - Provides the cURL Syntax to
Export
Wonderful…How do I get this Cookie?
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Getting the Login Cookie
68
- Check Login to /va - URL - Set-Cookie - Form Data (Plain Text - SSL
Anyone?) - Import to Paw
- Remove headers - Get cURL
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Parsing the Cookie
69
- Calling cURL from terminal - --cookie-jar option - grep/awk
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Same Stuff
71
‣ Web Page to Download/Upload RPD ‣ Download Files ‣ Refresh Data Sources ‣ Any other Rest API!
None of these Web Services are documented, and they should therefore be assumed to be completely unsupported by Oracle. This presentation is purely for geek interest. Using undocumented APIs leaves you
at risk of the API changing at any time.
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Summary
72
• Don’t accept defaults• Don’t trust the 1st result on Google• Find the root cause of your problem• Use the right tools• Check out Sample App or examples in blog posts• Adapt examples to your situation• Don’t be afraid to ask (smartly) -> OTN, #obihackers