Adding Code Example and scripts from OraOperator blog

java/cicd-github-actions/.gitignore

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+venv
+.idea
+.DS_Store

java/cicd-github-actions/README.md

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+Source code for the blog: Database CI/CD with the Oracle DB Operator, GitHub Actions and Liquibase
+
+Secrets required
+DB_WALLET_PASSWORD - Password for DB wallet
+FT_DEFAULT_ADMIN_PASSWORD - Default DB password
+OCI_COMPARTMENT_OCID - Compartment OCID
+OCI_CLI_USER - User OCID
+OCI_CLI_TENANCY - User Tenancy OCID
+OCI_CLI_FINGERPRINT - User Fingerprint
+OCI_CLI_KEY_CONTENT - User Private Key Content
+OCI_CLI_REGION - User Region
+OKE_CLUSTER_OCID - OKE Cluster OCID

java/cicd-github-actions/base/sidb-xe/kustomization.yaml

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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+metadata:
+ name: arbitrary
+
+
+resources:
+- sidb.yaml

java/cicd-github-actions/base/sidb-xe/sidb.yaml

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+#
+# Copyright (c) 2023, Oracle and/or its affiliates.
+# Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
+#
+
+apiVersion: database.oracle.com/v1alpha1
+kind: SingleInstanceDatabase
+metadata:
+ name: db-
+spec:
+
+ # Setup with LoadBalancer
+ loadBalancer: true
+
+ ## Use only alphanumeric characters for sid
+ sid: XE
+
+ ## DB edition
+ edition: express
+
+ ## Secret containing SIDB password mapped to secretKey
+ adminPassword:
+ secretName: default-admin-password
+
+ ## Database image details
+ image:
+ ## Oracle Database Free is only supported from DB version 23.2 onwards
+ pullFrom: container-registry.oracle.com/database/express:latest
+ prebuiltDB: true
+
+ ## size is the required minimum size of the persistent volume
+ ## storageClass is specified for automatic volume provisioning
+ ## accessMode can only accept one of ReadWriteOnce, ReadWriteMany
+ persistence:
+ size: 50Gi
+ ## oci-bv applies to OCI block volumes. Use "standard" storageClass for dynamic provisioning in Minikube. Update as appropriate for other cloud service providers
+ storageClass: "oci-bv"
+ accessMode: "ReadWriteOnce"
+
+ ## Count of Database Pods. Should be 1 for express edition.
+ replicas: 1

java/cicd-github-actions/liquibase/admin/changelog.xml

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+
+<databaseChangeLog
+ xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+ xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+ http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.6.xsd
+ http://www.liquibase.org/xml/ns/pro
+ http://www.liquibase.org/xml/ns/pro/liquibase-pro-4.6.xsd ">
+
+ <include file="schema_a.sql" />
+ <include file="schema_b.sql" />
+
+</databaseChangeLog>

java/cicd-github-actions/liquibase/admin/schema_a.sql

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+-- liquibase formatted sql
+
+-- changeset liquibase:1
+CREATE USER "SCHEMA_A" NO AUTHENTICATION;
+ALTER USER "SCHEMA_A" GRANT CONNECT THROUGH SYSTEM;
+GRANT UNLIMITED TABLESPACE TO "SCHEMA_A";
+GRANT CONNECT, RESOURCE TO "SCHEMA_A";
+ALTER USER "SCHEMA_A" DEFAULT ROLE CONNECT, RESOURCE;

java/cicd-github-actions/liquibase/admin/schema_b.sql

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+-- liquibase formatted sql
+
+-- changeset liquibase:2
+CREATE USER "SCHEMA_B" NO AUTHENTICATION;
+ALTER USER "SCHEMA_B" GRANT CONNECT THROUGH SYSTEM;
+GRANT UNLIMITED TABLESPACE TO "SCHEMA_B";
+GRANT CONNECT, RESOURCE TO "SCHEMA_B";
+ALTER USER "SCHEMA_B" DEFAULT ROLE CONNECT, RESOURCE;

java/cicd-github-actions/liquibase/schema_a/changelog.xml

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+<databaseChangeLog
+ xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+ xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+ http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.6.xsd
+ http://www.liquibase.org/xml/ns/pro
+ http://www.liquibase.org/xml/ns/pro/liquibase-pro-4.6.xsd ">
+
+ <include file="departments.sql" />
+ <include file="departments_lookup.sql" />
+ <!-- employees has a foreign key constraint on departments -->
+ <include file="employees.sql" />
+
+
+</databaseChangeLog>

java/cicd-github-actions/liquibase/schema_a/departments.sql

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+-- liquibase formatted sql
+
+-- changeset liquibase:1
+CREATE TABLE SCHEMA_A.DEPARTMENTS (
+ DEPARTMENT_ID NUMBER GENERATED BY DEFAULT ON NULL AS IDENTITY PRIMARY KEY,
+ DEPARTMENT_NAME VARCHAR2(80) NOT NULL
+) LOGGING;
+
+
+--rollback DROP TABLE SCHEMA_A.DEPARTMENTS;

java/cicd-github-actions/liquibase/schema_a/departments_lookup.sql

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+-- liquibase formatted sql
+
+-- changeset liquibase:Initial
+INSERT INTO SCHEMA_A.DEPARTMENTS (DEPARTMENT_ID, DEPARTMENT_NAME) VALUES (1, 'Engineering');
+INSERT INTO SCHEMA_A.DEPARTMENTS (DEPARTMENT_ID, DEPARTMENT_NAME) VALUES (2, 'Sales');
+INSERT INTO SCHEMA_A.DEPARTMENTS (DEPARTMENT_ID, DEPARTMENT_NAME) VALUES (3, 'HR');

java/cicd-github-actions/liquibase/schema_a/employees.sql

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+-- liquibase formatted sql
+
+-- changeset liquibase:2
+CREATE TABLE SCHEMA_A.EMPLOYEES (
+ EMPLOYEE_ID NUMBER GENERATED BY DEFAULT ON NULL AS IDENTITY PRIMARY KEY,
+ EMPLOYEE_FIRSTNAME VARCHAR2 (255) NOT NULL,
+ EMPLOYEE_LASTNAME VARCHAR2 (255) NOT NULL,
+ DEPARTMENT_ID NUMBER REFERENCES SCHEMA_A.DEPARTMENTS(DEPARTMENT_ID)
+) LOGGING;
+
+
+--rollback DROP TABLE SCHEMA_A.EMPLOYEES;

java/cicd-github-actions/liquibase/schema_b/changelog.xml

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+
+<databaseChangeLog
+ xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+ xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
+ http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.6.xsd
+ http://www.liquibase.org/xml/ns/pro
+ http://www.liquibase.org/xml/ns/pro/liquibase-pro-4.6.xsd ">
+
+ <include file="tasks.sql" />
+
+</databaseChangeLog>

java/cicd-github-actions/liquibase/schema_b/tasks.sql

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+-- liquibase formatted sql
+
+-- changeset liquibase:1
+CREATE TABLE SCHEMA_B.TASKS (
+ TASK_ID NUMBER GENERATED BY DEFAULT ON NULL AS IDENTITY PRIMARY KEY,
+ TASK_NAME VARCHAR2(300) NOT NULL,
+ TASK_DESCRIPTION VARCHAR2(4000)
+) LOGGING;
+
+
+--rollback DROP TABLE SCHEMA_B.TASKS;

java/cicd-github-actions/scripts/checkdb.sh

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+#!/bin/bash
+
+IDENTIFICATION=$1
+
+while : ; do
+
+ # get status
+ STATUS=$(kubectl get -n "feature-$IDENTIFICATION" singleinstancedatabase "db-$IDENTIFICATION" -o 'jsonpath={.status.status}')
+ # if database is available, end while loop; else sleep
+ if [[ "$STATUS" == "Healthy" ]]; then
+ break;
+ else
+ echo "Checking for DB Availability..."
+ sleep 5;
+ fi;
+
+done;
+
+echo "Database now available."

java/cicd-github-actions/scripts/generate.sh

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+#!/bin/bash
+
+# set token
+IDENTIFICATION=$(python get.py "$BRANCH_REF")
+DBNAME=$(python clean_dbname.py "$IDENTIFICATION")
+
+# kustomize remove if exists
+if test -f "kustomization.yaml"; then
+ rm kustomization.yaml
+fi
+
+# create patch
+cat <<EOF > patch.yaml
+- op: add # action
+ path: "/spec/details/compartmentOCID"
+ value: ${COMPARTMENT_OCID}
+- op: add # action
+ path: "/spec/details/dbName"
+ value: db${DBNAME}
+- op: add # action
+ path: "/spec/details/displayName"
+ value: dbtest-${IDENTIFICATION}
+EOF

java/cicd-github-actions/scripts/run_util.py

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+import sys
+import re
+import sys
+import os
+import json
+
+
+
+def list_schemas(location):
+ d = [ x.removeprefix(f'{location}/') for x in [x[0] for x in os.walk(location) if x[0] != location ] ]
+ d.remove("admin")
+ return json.dumps({"schemas": d})
+
+
+def clean(with_name):
+ # used for database name
+ return re.sub('[^a-z0-9_$#]', '', with_name)
+
+
+def get_feature_name(listing):
+ # expects list of [x, feature/A102, y]
+
+ for x in listing:
+ if x.startswith("feature"):
+ return x
+
+def get_identification(from_feature_name):
+ # expects identification to be after feature
+
+ listing = from_feature_name.split("/")
+ for i in range(len(listing)):
+ if listing[i].lower().startswith("feature") and i+1 < len(listing):
+ return listing[i+1].lower()
+
+
+# expects [filename] [command] [inputs]
+command = sys.argv[1]
+
+if command == "dbname":
+ print(clean(sys.argv[2]))
+elif command == "id":
+ names = get_feature_name(sys.argv[2:])
+ ident = get_identification(names)
+ print(ident)
+elif command == "schemas":
+ print(list_schemas(sys.argv[2]))