If you are upgrading from a v3.4.x version, first check the following migration guide (to capture all the changes introduced in v4.0):

If you are upgrading from v4.0 version, check the following migration guide:

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Migrating from v4.0 to v4.1

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Revised cache key organization

To ensure a smooth transition to the 4.1 release, it’s essential to utilize the following clear cache endpoint and body:

Endpoint

POST {{baseUrlAdmin}}/api/internal/cache/clear

Body:

{
    "cacheNames": [
        "flowx:core:cache"
    ]
}

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Misconfigurations

To enable and to compute warnings for already existing processes from previous versions, use the following endpoint to retrieve and compute all warnings:

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FlowX.AI Admin

{{baseUrlAdmin}}/api/process-versions/compute

For more details:

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Spring Boot upgrade

The following configuration changes are required after upgrading your Spring Boot application to version 3.2.x. Below is a detailed explanation of each section in the context of this upgrade:

Configuration properties updates:

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Redis configuration

Where Redis is used (FlowX CMS, FlowX Admin, Documents plugin, events, Notifications plugin, FlowX Engine, Task Management plugin):

Old configuration

• SPRING_DATA_HOST
• SPRING_DATA_PORT
• SPRING_DATA_PASSWORD

New configuration

• SPRING_DATA_REDIS_HOST
• SPRING_DATA_REDIS_PORT
• SPRING_DATA_REDIS_PASSWORD

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Management configuration

For all services managing metrics, especially exporting metrics to Prometheus:

Old configuration

• MANAGEMENT_METRICS_EXPORT_PROMETHEUS_ENABLED

New configuration

• MANAGEMENT_PROMETHEUS_METRICS_EXPORT_ENABLED: This variable enables or disables Prometheus metrics export dynamically based on the environment.

More details, here

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Authentication

For all services except the advancing-controller.

New configuration

• SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_INTROSPECTION_URI
• SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_CLIENT_ID
• SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_CLIENT_SECRET

Existing configuration

• SECURITY_OAUTH2_BASE_SERVER_URL
• SECURITY_OAUTH2_REALM
• SECURITY_OAUTH2_CLIENT_CLIENT_ID
• SECURITY_OUATH2_CLIENT_CLIENT_SECRET

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Elasticsearch configuration

This outlines the Elasticsearch configuration for the following microservices: FlowX Admin, FlowX Engine, Data Search, and Audit Core.

Existing configuration

• SPRING_ELASTICSEARCH_REST_URIS: This environment variable is used by the microservices listed above. This variable needs to be set to the appropriate value for each environment.

Example:

# only the value changes for the next config:
spring:
  elasticsearch:
    rest:
      uris: localhost:9200 #no more protocol/schema anymore

New configuration

• SPRING_ELASTICSEARCH_REST_PROTOCOL: Default value is https; should be overridden if connection to Elasticsearch needs to be done over http.

Example:

# New configuration with default value:
spring:
  elasticsearch:
	  rest:
        protocol: https / http # default value is https - should be overriden if connection to elastic needs to be done on http.

​

License core configuration

For the License core microservice you need to configure two different data sources: one for the engine database and one for the license database.

Old Engine database source

• ENGINE_DATASOURCE_URL
• ENGINE_DATASOURCE_JDBC_URL
• ENGINE_DATASOURCE_USERNAME
• ENGINE_DATASOURCE_PASSWORD

New Engine database source

• SPRING_DATASOURCE_ENGINE_URL: ${spring.datasource.jdbc-url}: Pointing to old config for backwards compatibility.
• SPRING_DATASOURCE_ENGINE_JDBC_URL: ${spring.datasource.jdbc-url}: Pointing to old config for backwards compatibility
• SPRING_DATASOURCE_ENGINE_USERNAME: ${spring.datasource.username}: Pointing to old config for backwards compatibility
• SPRING_DATASOURCE_ENGINE_PASSWORD: ${spring.datasource.password}: Pointing to old config for backwards compatibility

Old License database source

• SPRING_DATASOURCE_URL
• SPRING_DATASOURCE_JDBC_URL
• SPRING_DATASOURCE_USERNAME
• SPRING_DATASOURCE_PASSWORD

New License database source

• SPRING_DATASOURCE_LICENSE_URL: ${spring.datasource.jdbc-url}: Pointing to old config for backwards compatibility.
• SPRING_DATASOURCE_LICENSE_JDBC_URL: ${spring.datasource.jdbc-url}: Pointing to old config for backwards compatibility.
• SPRING_DATASOURCE_LICENSE_USERNAME: ${engine.datasource.username:postgres}: Pointing to old config for backwards compatibility.
• SPRING_DATASOURCE_LICENSE_PASSWORD: ${engine.datasource.password:wrongpwd}: Pointing to old config for backwards compatibility.

​

Customer management plugin

New configuration

• ELASTICSEARCH_PROTOCOL: Possible values are https / http; default value is https - should be overridden if connection to Elasticsearch needs to be done over http.

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Open Telemetry

The FlowX.AI platform uses a mix of both auto instrumentation with Java agent and manual instrumentation using the Open Telemetry API.

For more information about how to leverage Open Telemetry with FlowX, check the following section:

Additional configuration needed! For more information about Open Telemetry deployment/configuration, check the following section:

For more information about microservices Open Telemetry default properties, check the following section: