Enable per-PDB DRCP for the sample container.

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -27,6 +27,10 @@ Thick Mode Changes
     standalone connections in addition to creating pools. For standalone
     connections, this parameter is optional.
 
+Common Changes
+++++++++++++++
+
+#)  Improved samples and documentation.
 
 oracledb 1.0.1 (June 2022)
 --------------------------

samples/connection_pool.py

@@ -118,7 +118,7 @@ def create_schema():
                        id       number generated by default as identity,
                        username varchar2(40))';
 
-                  insert into demo (username) values ('chris');
+                  execute immediate 'insert into demo (username) values (''chris'')';
 
                   commit;
                 end;""")

samples/drcp_pool.py

@@ -165,7 +165,7 @@ def create_schema():
                        id       number generated by default as identity,
                        username varchar2(40))';
 
-                  insert into demo (username) values ('chris');
+                  execute immediate 'insert into demo (username) values (''chris'')';
 
                   commit;
                 end;""")

samples/sample_container/Dockerfile

@@ -49,7 +49,7 @@ USER root
 
 RUN microdnf module disable python36 && \
     microdnf module enable python39 && \
-    microdnf install python39 python39-pip python39-setuptools python39-wheel vim vi && \
+    microdnf install python39 python39-pip python39-setuptools python39-wheel vim vi httpd-tools && \
     microdnf clean all
 
 WORKDIR /samples/
@@ -63,7 +63,7 @@ RUN  curl -LO https://github.com/oracle/python-oracledb/archive/refs/heads/main.
 
 USER oracle
 
-RUN  python3 -m pip install oracledb --user
+RUN  python3 -m pip install oracledb Flask --user --no-warn-script-location
 
 ARG PYO_PASSWORD
 

samples/sample_container/setup.py

@@ -17,6 +17,8 @@
 import os
 import time
 
+oracledb.init_oracle_client()
+
 pw = os.environ.get("ORACLE_PASSWORD")
 os.environ["PYO_SAMPLES_ADMIN_PASSWORD"] = pw
 
@@ -40,14 +42,27 @@
     print("Try again in a few minutes")
     exit()
 
-# Connect to the CDB to start DRCP because enable_per_pdb_drcp is FALSE by
-# default
-print("Starting DRCP pool")
-with oracledb.connect(user="sys",
-                      password=pw,
-                      dsn="localhost/XE",
-                      mode=oracledb.AUTH_MODE_SYSDBA) as connection:
-    with connection.cursor() as cursor:
-        cursor.callproc("dbms_connection_pool.start_pool")
+
+print("Enabling per-PDB DRCP")
+
+c = oracledb.connect(mode=oracledb.SYSDBA)
+cursor = c.cursor()
+cursor.execute("alter pluggable database all close")
+cursor.execute("alter system set enable_per_pdb_drcp=true scope=spfile sid='*'")
+
+c = oracledb.connect(mode=oracledb.SYSDBA | oracledb.PRELIM_AUTH)
+c.startup(force=True)
+
+c = oracledb.connect(mode=oracledb.SYSDBA)
+cursor = c.cursor()
+cursor.execute("alter database mount")
+cursor.execute("alter database open")
+
+c = oracledb.connect(user="sys",
+                     password=pw,
+                     dsn="localhost/xepdb1",
+                     mode=oracledb.SYSDBA)
+cursor = c.cursor()
+cursor.callproc("dbms_connection_pool.start_pool")
 
 # create_schema.py will be appended here by the Dockerfile