fix: add fix for race condition

[ocofaigh]

Description

There seems to be some timing issue that intermittently causes the following error in the terraform-ibm-app-configuration module:

 2025/12/10 11:29:13 Terraform apply | Error: ---
 2025/12/10 11:29:13 Terraform apply | id: terraform-ded3d559
 2025/12/10 11:29:13 Terraform apply | summary: 'ReplaceSettingsWithContext failed: given app-config instance is not found'
 2025/12/10 11:29:13 Terraform apply | severity: error
 2025/12/10 11:29:13 Terraform apply | resource: ibm_config_aggregator_settings
 2025/12/10 11:29:13 Terraform apply | operation: create
 2025/12/10 11:29:13 Terraform apply | component:
 2025/12/10 11:29:13 Terraform apply |   name: github.com/IBM-Cloud/terraform-provider-ibm
 2025/12/10 11:29:13 Terraform apply |   version: 1.85.0
 2025/12/10 11:29:13 Terraform apply | ---
 2025/12/10 11:29:13 Terraform apply | 
 2025/12/10 11:29:13 Terraform apply | 
 2025/12/10 11:29:13 Terraform apply |   with module.app_config.ibm_config_aggregator_settings.config_aggregator_settings[0],
 2025/12/10 11:29:13 Terraform apply |   on ../../main.tf line 179, in resource "ibm_config_aggregator_settings" "config_aggregator_settings":
 2025/12/10 11:29:13 Terraform apply |  179: resource "ibm_config_aggregator_settings" "config_aggregator_settings" {

I have raised this with App Config team.I suspect if we add a sleep (30sec?) between the ibm_resource_instance.app_config and ibm_config_aggregator_settings.config_aggregator_settings we may be able to reduce the probability of this error occurring.

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[ocofaigh]

/run pipeline

[ocofaigh]

/run pipeline

[ocofaigh]

Error: [ERROR] Create EN integration failed Conflict - Duplicate source name.
Known issue -> IBM-Cloud/terraform-provider-ibm#6588

Retrying..

[ocofaigh]

/run pipeline

[ocofaigh]

@imprateeksh @mukulpalit-ibm Looking for a review please so I can add to the Cloud-native AI stack

[mukulpalit-ibm]

LGTM

[terraform-ibm-modules-ops]

🎉 This PR is included in version 1.14.3 🎉

The release is available on:

• GitHub release
• v1.14.3

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