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Add memory bank to modules/agent-engine (#3844)

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* feat(agent-engine): add support for memory bank configuration

* refactor(agent-engine): remove source_path_override and revert to standard source_path

* provider version upgrade from 7.17 to 7.27

* docs(agent-engine): fix README validation and update tables

---------

Co-authored-by: Hemanand <hemr@google.com>
This commit is contained in:
Hemanand
2026-04-08 22:39:27 +05:30
committed by GitHub
parent bc5b203a8f
commit 92d591a9b6
205 changed files with 610 additions and 408 deletions
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57
modules/agent-engine/README.md
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@@ -16,6 +16,7 @@ The module creates Agent Engine and related dependencies.
- [Private networking: setup PSC-I](#private-networking-setup-psc-i)
- [Specify an encryption key](#specify-an-encryption-key)
- [Define environment variables and use secrets](#define-environment-variables-and-use-secrets)
- [Memory Bank](#memory-bank)
- [Getting values from context](#getting-values-from-context)
- [Variables](#variables)
- [Outputs](#outputs)
@@ -344,25 +345,63 @@ module "agent_engine" {
# tftest inventory=environment.yaml
```
## Memory Bank
You can optionally configure a Memory Bank to provide long-term persistent memory for your agent.
```hcl
module "agent_engine" {
source = "./fabric/modules/agent-engine"
name = "my-agent"
project_id = var.project_id
region = var.region
agent_engine_config = {
agent_framework = "google-adk"
}
deployment_files = {
source_config = {
source_path = "assets/src/source.tar.gz"
}
}
memory_bank_config = {
disable_memory_revisions = false
generation_config = {
model = "projects/my-project/locations/us-central1/publishers/google/models/gemini-2.0-flash-001"
}
similarity_search_config = {
embedding_model = "projects/my-project/locations/us-central1/publishers/google/models/text-embedding-005"
}
ttl_config = {
default_ttl = "2592000s" # 30 days
}
}
}
# tftest skip
```
## Getting values from context
The module allows you to dynamically reference context values for resources created outside this module, through the `context` variable. This includes the definition of custom roles, iam_principals, locations, kms_keys and project ids.
The module allows you to dynamically reference context values for resources created outside this module, through the `context` variable. This includes the definition of custom roles, iam_principals, locations, kms_keys, models and project ids.
<!-- BEGIN TFDOC -->
## Variables
| name | description | type | required | default |
|---|---|:---:|:---:|:---:|
| [agent_engine_config](variables.tf#L17) | The agent configuration. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | ✓ | |
| [name](variables.tf#L122) | The name of the agent. | <code>string</code> | ✓ | |
| [project_id](variables.tf#L141) | The id of the project where to deploy the agent. | <code>string</code> | ✓ | |
| [region](variables.tf#L147) | The region where to deploy the agent. | <code>string</code> | ✓ | |
| [name](variables.tf#L146) | The name of the agent. | <code>string</code> | ✓ | |
| [project_id](variables.tf#L165) | The id of the project where to deploy the agent. | <code>string</code> | ✓ | |
| [region](variables.tf#L171) | The region where to deploy the agent. | <code>string</code> | ✓ | |
| [bucket_config](variables.tf#L40) | The GCS bucket configuration. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>&#123;&#125;</code> |
| [context](variables.tf#L52) | Context-specific interpolations. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>&#123;&#125;</code> |
| [deployment_files](variables.tf#L65) | The to source files path and names. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>&#123;&#8230;&#125;</code> |
| [description](variables.tf#L102) | The Agent Engine description. | <code>string</code> | | <code>&#34;Terraform managed.&#34;</code> |
| [encryption_key](variables.tf#L109) | The full resource name of the Cloud KMS CryptoKey. | <code>string</code> | | <code>null</code> |
| [managed](variables.tf#L115) | Whether the Terraform module should control the code updates. | <code>bool</code> | | <code>true</code> |
| [networking_config](variables.tf#L128) | Networking configuration. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>null</code> |
| [deployment_files](variables.tf#L66) | The to source files path and names. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>&#123;&#8230;&#125;</code> |
| [description](variables.tf#L103) | The Agent Engine description. | <code>string</code> | | <code>&#34;Terraform managed.&#34;</code> |
| [encryption_key](variables.tf#L110) | The full resource name of the Cloud KMS CryptoKey. | <code>string</code> | | <code>null</code> |
| [managed](variables.tf#L116) | Whether the Terraform module should control the code updates. | <code>bool</code> | | <code>true</code> |
| [memory_bank_config](variables.tf#L123) | Configuration for the memory bank. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>null</code> |
| [networking_config](variables.tf#L152) | Networking configuration. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>null</code> |
| [service_account_config](variables-serviceaccount.tf#L18) | Service account configurations. | <code>object&#40;&#123;&#8230;&#125;&#41;</code> | | <code>&#123;&#125;</code> |
## Outputs