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Add ability for user to utilize external DBs for Multi-DB sample

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Updated based on code review
This commit is contained in:
Glenn Renfro
2020-09-25 15:03:29 -04:00
parent cf285e3e5f
commit 13b6e2de4d
7 changed files with 237 additions and 5 deletions
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25
spring-cloud-task-samples/multiple-datasources/README.adoc
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@@ -11,7 +11,9 @@ which one to be used for the Spring Cloud Task repository.
* `MultipleDataSourcesApplication` - the Spring Boot Main Application.
* `SampleCommandLineRunner` - the `CommandLineRunner` implementation for this task. It outputs the number of `DataSource` beans found in the context (should be 2).
* `DataSourceConfiguration` - Configures two `DataSource` beans.
* `EmbeddedDataSourceConfiguration` - Configures two `DataSource` beans using embedded databases.
* `ExternalDataSourceConfiguration` - Configures two `DataSource` beans using external databases.
* `CustomTaskConfigurer` - Uses a Spring `@Qualifier` to specify the correct `DataSource` to use.
== Build:
@@ -21,9 +23,26 @@ which one to be used for the Spring Cloud Task repository.
$ mvn clean package
----
== Run:
== Execute sample using 2 embedded databases (default):
[source,shell,indent=2]
----
$ java -jar target/multiple-datasources-2.2.2.RELEASE.jar
$ java -jar target/multiple-datasources-2.3.0-RELEASE.jar
----
== Execute sample using 2 external databases:
Using the `external` profile, users will be able to establish both the default `spring.datasource` data source and a `second.datasource` data source.
For example:
[source,shell,indent=2]
----
export spring_datasource_url=<your db url>
export spring_datasource_username=<your db user name>
export spring_datasource_password=<your db user password>
export spring_datasource_driverClassName=org.mariadb.jdbc.Driver
export second_datasource_url=jdbc:<your db url>
export second_datasource_username=<your db user name>
export second_datasource_password=<your db user password>
export second_datasource_driverClassName=org.mariadb.jdbc.Driver
java -jar target/multiple-datasources-2.3.0-RELEASE.jar --spring.profiles.active=external
----