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Adding Code Example and scripts from OraOperator blog (#301)
* Added sample code and accompanying scripts for Oracle DB advanced Data Types * Updated license * Added examples and updates for Blog * Added cicd-github-actions
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‎java/cicd-github-actions/.gitignore

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venv
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.idea
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.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
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Secrets required
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DB_WALLET_PASSWORD - Password for DB wallet
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FT_DEFAULT_ADMIN_PASSWORD - Default DB password
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OCI_COMPARTMENT_OCID - Compartment OCID
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OCI_CLI_USER - User OCID
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OCI_CLI_TENANCY - User Tenancy OCID
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OCI_CLI_FINGERPRINT - User Fingerprint
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OCI_CLI_KEY_CONTENT - User Private Key Content
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OCI_CLI_REGION - User Region
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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
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kind: Kustomization
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metadata:
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name: arbitrary
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resources:
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- sidb.yaml

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

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

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

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

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

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

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

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

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

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

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

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

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

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-- liquibase formatted sql
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-- changeset liquibase:Initial
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INSERT INTO SCHEMA_A.DEPARTMENTS (DEPARTMENT_ID, DEPARTMENT_NAME) VALUES (1, 'Engineering');
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INSERT INTO SCHEMA_A.DEPARTMENTS (DEPARTMENT_ID, DEPARTMENT_NAME) VALUES (2, 'Sales');
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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
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-- changeset liquibase:2
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CREATE TABLE SCHEMA_A.EMPLOYEES (
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EMPLOYEE_ID NUMBER GENERATED BY DEFAULT ON NULL AS IDENTITY PRIMARY KEY,
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EMPLOYEE_FIRSTNAME VARCHAR2 (255) NOT NULL,
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EMPLOYEE_LASTNAME VARCHAR2 (255) NOT NULL,
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DEPARTMENT_ID NUMBER REFERENCES SCHEMA_A.DEPARTMENTS(DEPARTMENT_ID)
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) LOGGING;
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--rollback DROP TABLE SCHEMA_A.EMPLOYEES;

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

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

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

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

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

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

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

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

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

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

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