[HCMPRE-2741] Central instance support for MDMS V2 service #739
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WalkthroughThis update introduces tenant-aware functionality to the MDMS service. It modifies repository and producer classes to handle tenant-specific topic publishing and schema resolution, adds error handling for invalid tenant IDs, and updates SQL queries to support dynamic schema prefixes. The migration script is enhanced to support multi-schema Flyway migrations. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant MdmsDataRepositoryImpl
participant MultiStateInstanceUtil
participant Producer
participant DB
Client->>MdmsDataRepositoryImpl: create(MdmsRequest)
MdmsDataRepositoryImpl->>Producer: push(tenantId, topic, value)
Producer->>MultiStateInstanceUtil: resolveTopic(tenantId, topic)
MultiStateInstanceUtil-->>Producer: tenantSpecificTopic
Producer-->>MdmsDataRepositoryImpl: (message sent)
MdmsDataRepositoryImpl-->>Client: (acknowledgement)
Client->>MdmsDataRepositoryImpl: search(criteria)
MdmsDataRepositoryImpl->>MultiStateInstanceUtil: replaceSchemaPlaceholder(query, tenantId)
alt valid tenantId
MultiStateInstanceUtil-->>MdmsDataRepositoryImpl: queryWithSchema
MdmsDataRepositoryImpl->>DB: execute(queryWithSchema)
DB-->>MdmsDataRepositoryImpl: results
MdmsDataRepositoryImpl-->>Client: results
else invalid tenantId
MultiStateInstanceUtil-->>MdmsDataRepositoryImpl: throw InvalidTenantIdException
MdmsDataRepositoryImpl-->>Client: CustomException(INVALID_TENANT_ID_ERR_CODE)
end
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🚧 Files skipped from review as they are similar to previous changes (2)
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Actionable comments posted: 5
🧹 Nitpick comments (3)
core-services/mdms-v2/src/main/resources/db/migrate.sh (1)
3-6: Quote variables and validate required inputs
Currently debug statements and assignments are unquoted and may break if values contain spaces or are unset. Consider quoting and validatingSCHEMA_NAME. Remove or gate debug echo behind a verbose flag if not needed in production.-echo "the baseurl : $DB_URL" -schemasetter="?currentSchema=" -schemas=$SCHEMA_NAME -echo "the schemas : $schemas" +echo "Base URL: ${baseurl}" +schemasetter="?currentSchema=" +schemas="${SCHEMA_NAME:?Environment variable SCHEMA_NAME must be set}" +echo "Schemas to migrate: ${schemas}"core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/impl/MdmsDataRepositoryImpl.java (2)
82-88: Duplicate try/catch blocks – extract to a helper
searchV2andsearchcontain identical try/catch logic for schema substitution. Duplicated code increases maintenance cost and risk of divergence.-private String replaceSchema(String query, String tenantId){ - try{ - return multiStateInstanceUtil.replaceSchemaPlaceholder(query, tenantId); - }catch(InvalidTenantIdException e){ - throw new CustomException(INVALID_TENANT_ID_ERR_CODE, e.getMessage()); - } -}Then invoke:
query = replaceSchema(query, mdmsCriteriaV2.getTenantId());
98-105: Consider lowering query log level & include parameters separatelyLogging the full, resolved SQL at
INFOcan expose multi-tenant schema names and potentially sensitive literals in prod logs. A safer pattern is:log.debug("MDMS query: {} | params: {}", query, preparedStmtList);This keeps prod logs clean while retaining valuable data for debugging when
DEBUGis enabled.
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📒 Files selected for processing (9)
core-services/mdms-v2/pom.xml(1 hunks)core-services/mdms-v2/src/main/java/org/egov/infra/mdms/errors/ErrorCodes.java(1 hunks)core-services/mdms-v2/src/main/java/org/egov/infra/mdms/producer/Producer.java(1 hunks)core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/impl/MdmsDataRepositoryImpl.java(5 hunks)core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/impl/SchemaDefinitionDbRepositoryImpl.java(4 hunks)core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/querybuilder/MdmsDataQueryBuilder.java(1 hunks)core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/querybuilder/MdmsDataQueryBuilderV2.java(1 hunks)core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/querybuilder/SchemaDefinitionQueryBuilder.java(2 hunks)core-services/mdms-v2/src/main/resources/db/migrate.sh(1 hunks)
🔇 Additional comments (10)
core-services/mdms-v2/pom.xml (1)
90-90:❓ Verification inconclusive
Ensure the new snapshot version is published and compatible
Double-check thatorg.egov.services:services-common:2.9.0-SNAPSHOTis published to your snapshot Nexus repository and resolves correctly without introducing breaking changes in downstream modules.
🏁 Script executed:
#!/usr/bin/env bash # Verify artifact existence in Nexus snapshots curl -sI https://nexus-repo.digit.org/nexus/content/repositories/snapshots/org/egov/services/services-common/2.9.0-SNAPSHOT/Length of output: 336
Snapshot Artifact Verification Completed
The Nexus snapshot repository returns HTTP 200 fororg.egov.services:services-common:2.9.0-SNAPSHOT, so the artifact is indeed published.Please proceed to validate compatibility with downstream modules by:
- Running local builds or integration tests against this new snapshot.
- Checking for any API changes in
services-commonthat might impact consumers.core-services/mdms-v2/src/main/java/org/egov/infra/mdms/errors/ErrorCodes.java (1)
28-28: LGTM: Addition of error code for invalid tenant IDThe new error code constant follows the existing naming conventions and will be used for tenant validation in repository implementations.
core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/querybuilder/SchemaDefinitionQueryBuilder.java (2)
12-13: LGTM: Added import for schema placeholderAppropriate import for the dynamic schema replacement constant.
22-22: LGTM: Replaced hardcoded schema with dynamic placeholderGood implementation of tenant-aware schema resolution by replacing the hardcoded schema prefix with the dynamic placeholder.
core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/querybuilder/MdmsDataQueryBuilderV2.java (2)
13-14: LGTM: Added import for schema placeholderAppropriate import for the dynamic schema replacement constant.
22-22: LGTM: Replaced hardcoded schema with dynamic placeholderGood implementation of tenant-aware schema resolution by replacing the hardcoded schema reference with the dynamic placeholder.
core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/querybuilder/MdmsDataQueryBuilder.java (2)
9-10: LGTM: Added import for schema placeholderAppropriate import for the dynamic schema replacement constant.
15-15: LGTM: Replaced hardcoded schema with dynamic placeholderGood implementation of tenant-aware schema resolution by replacing the hardcoded schema reference with the dynamic placeholder.
core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/impl/SchemaDefinitionDbRepositoryImpl.java (1)
56-58: Propagation of tenant ID increatelooks good
The call now includes the tenant while publishing, matching the newProducer.pushsignature.core-services/mdms-v2/src/main/java/org/egov/infra/mdms/repository/impl/MdmsDataRepositoryImpl.java (1)
63-72: Good alignment with tenant-aware producer
Bothcreateandupdatenow passtenantId. This prevents cross-tenant data on Kafka.
core-services/mdms-v2/src/main/java/org/egov/infra/mdms/producer/Producer.java
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core-services/mdms-v2/src/main/java/org/egov/infra/mdms/producer/Producer.java
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...s-v2/src/main/java/org/egov/infra/mdms/repository/impl/SchemaDefinitionDbRepositoryImpl.java
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...rvices/mdms-v2/src/main/java/org/egov/infra/mdms/repository/impl/MdmsDataRepositoryImpl.java
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...s-v2/src/main/java/org/egov/infra/mdms/repository/impl/SchemaDefinitionDbRepositoryImpl.java
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Summary by CodeRabbit
New Features
Bug Fixes
Refactor
Chores