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When using TestContainers to start a Vault container, the port that is exposed by the container is randomly selected during startup.

@Container
static VaultContainer vaultContainer = new VaultContainer<>("vault:1.7.2")
  .withVaultToken(TOKEN)
  .withInitCommand("secrets enable --path foo kv-v2")
  .withInitCommand("kv put foo/app bar=foo");

Using a @DynamicPropertySource to override properties

@DynamicPropertySource
static void addProperties(DynamicPropertyRegistry registry) {
   registry.add("spring.cloud.vault.host",()->vaultContainer.getHost());
   registry.add("spring.cloud.vault.port",()->vaultContainer.getFirstMappedPort());
   registry.add("spring.cloud.vault.uri",()->"http://"+vaultContainer.getHost()+":"+vaultContainer.getFirstMappedPort());
   registry.add("spring.cloud.vault.token",()->TOKEN);
}

does not work since Spring Cloud Vault does not seem to "see" the added properties.

The issue is present in Spring-Boot 2.5.1 and Spring-Cloud-Vault-Config 3.0.3.

A small project showing the issue can be found on GitHub.

Am I doing something wrong or is there an alternative way to override the configuration?

When using Spring-Vault with a @VaultPropertySource instead of Spring-Cloud-Vault things work as expected.

1 Answers1

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According to: https://github.com/spring-cloud/spring-cloud-vault/issues/602#event-4926845049 it's a spring-framework issue.