159 lines
5.5 KiB
Markdown
159 lines
5.5 KiB
Markdown
## Articles
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https://www.dbi-services.com/blog/how-to-create-an-oracle-goldengate-extract-in-multitenant/
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http://blog.data-alchemy.org/posts/oracle-goldengate-pluggable/
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## Topology
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Databases:
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- source: CDB: `NABOOPRD@togoria, PDB: EREP`
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- target: CDB: `GENOSISPRD@wayland, PDB: GERISS`
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## Databases setup for Golden Gate
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In **both** databases, create Golden Gate admin user in `CDB$ROOT`:
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create user c##oggadmin identified by "Secret00!";
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alter user c##oggadmin quota unlimited on USERS;
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grant create session, connect,resource,alter system, select any dictionary, flashback any table to c##oggadmin container=all;
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exec dbms_goldengate_auth.grant_admin_privilege(grantee => 'c##oggadmin',container=>'all');
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alter user c##oggadmin set container_data=all container=current;
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grant alter any table to c##oggadmin container=ALL;
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alter system set enable_goldengate_replication=true scope=both;
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alter database force logging;
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alter database add supplemental log data;
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select supplemental_log_data_min, force_logging from v$database;
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> On **target** database I had to add extra grants:
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grant select any table to c##oggadmin container=ALL;
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grant insert any table to c##oggadmin container=ALL;
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grant update any table to c##oggadmin container=ALL;
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grant delete any table to c##oggadmin container=ALL;
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Create schemas for replicated tables on source and target PDB:
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alter session set container=EREP;
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create user R2D2 identified by "Secret00!";
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alter user R2D2 quota unlimited on USERS;
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grant connect,resource to R2D2;
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connect R2D2/"Secret00!"@togoria/EREP;
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alter session set container=GERISS;
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create user C3PO identified by "Secret00!";
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alter user C3PO quota unlimited on USERS;
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grant connect,resource to C3PO;
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connect C3PO/"Secret00!"@wayland/GERISS;
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For both Golden Gate hosts (`exegol` and `helska`) `depl26ai` the password of Service Manager administrator has been defined:
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- username: `oggadmin`
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- password: `Alabalaportocala00_`
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and `depl26ai` deployement has been created.
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> Both username/password are case sensitive.
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## Setup `exegol` Golden Gate deployment
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> My Root CA (added to truststore host) has not be recognized by `admincmient` resulting OGG-12982 error while `curl` works perfectly.
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Solution: define `OGG_CLIENT_TLS_CAPATH` environement variable to my root CA certificate prior to using `admincmient`
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export OGG_CLIENT_TLS_CAPATH=/etc/pki/ca-trust/source/anchors/rootCA.pem
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Add in the credentialstore enteries for database connections:
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adminclient
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connect https://exegol.swgalaxy:2000 deployment depl26ai as oggadmin password "Alabalaportocala00_"
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Optionaly store credentials to connect to deployement:
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add credentials admin user oggadmin password "Alabalaportocala00_"
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Now we can hide the password when conecting to deployement:
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connect https://exegol.swgalaxy:2000 deployment depl26ai as admin
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Add in the credentialstore enteries for database connections:
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add credentialstore
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alter credentialstore add user c##oggadmin@togoria/NABOOPRD password "Secret00!" alias NABOOPRD
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alter credentialstore add user c##oggadmin@togoria/EREP password "Secret00!" alias EREP
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info credentialstore
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Test database connections:
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dblogin useridalias NABOOPRD
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dblogin useridalias EREP
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To delete a user from credential store:
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alter credentialstore delete user NABOOPRD
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> IMPORTANT: in a database **MULTITENANT** architecture, Golden Gate is working at `CDB$ROOT` level.
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In an Oracle Multitenant architecture (Oracle 19c through 23c), the placement of the Oracle GoldenGate checkpoint table depends on whether you are configuring the Extract (source) or the Replicat (target):
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1. Target Side (Replicat): Inside the PDB
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2. Source Side (Extract): Root Container (CDB$ROOT)
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> Integrated Extracts store their recovery checkpoints primarily in the database's internal logmining server metadata and in .cpe checkpoint files on the GoldenGate file system. You do not manually create a standard "checkpoint table" for an Extract in the same way you do for a Replicat
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> In an Oracle Multitenant environment, the rule is: One Checkpoint Table per PDB, but that table can be shared by multiple Replicats operation in the **same** PDB
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> When you are using a shared checkpoint table within each PDB, you can set a default in your GLOBALS file to make your life easier.
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If `EREP` PDB will be a replication target, create the checkpoint table:
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dblogin useridalias NABOOPRD
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add checkpointtable EREP.c##oggadmin.checkpt
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Set **global** parameters:
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edit GLOBALS
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Put:
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ggschema c##oggadmin
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checkpointtable c##oggadmin.checkpt
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## Setup `helska` Golden Gate deployment
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adminclient
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connect https://helska.swgalaxy:2000 deployment depl26ai as oggadmin password "Alabalaportocala00_"
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Optionaly store credentials to connect to deployement:
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add credentials admin user oggadmin password "Alabalaportocala00_"
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Now we can hide the password when conecting to deployement:
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connect https://helska.swgalaxy:2000 deployment depl26ai as admin
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Add in the credentialstore enteries for database connections:
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alter credentialstore add user c##oggadmin@wayland/GENOSISPRD password "Secret00!" alias GENOSISPRD
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alter credentialstore add user c##oggadmin@wayland/GERISS password "Secret00!" alias GERISS
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info credentialstore
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Test database connections:
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dblogin useridalias GENOSISPRD
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dblogin useridalias GERISS
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If `GERISS` PDB will be a replication target, create the checkpoint table:
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dblogin useridalias GENOSISPRD
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add checkpointtable GERISS.c##oggadmin.checkpt
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Set **global** parameters:
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edit GLOBALS
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Put:
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ggschema c##oggadmin
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checkpointtable c##oggadmin.checkpt
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