[Bug]: aws_berockagent_agent does not return agent_version

[kmcduffee-verisk]

Terraform Core Version

1.8.2

AWS Provider Version

5.48.0

Affected Resource(s)

• aws_bedrockagent_agent
• aws_bedrockagent_agent_alias

Expected Behavior

When creating or updating the agent, agent_version should be included in the resource attributes. This would then allow for updating an associated aws_bedrockagent_agent_alias to point to the new version.

Actual Behavior

When creating or updating an aws_bedrockagent_agent resource, the agent_version is not returned. This makes it difficult to make changes to an associated aws_bedrockagent_agent_alias resource, as it's not possible to set its routing_configuration block to point to the new version.

Relevant Error/Panic Output Snippet

No response

Terraform Configuration Files

resource "aws_bedrockagent_agent" "demo" {
  agent_name                  = "demo"
  agent_resource_role_arn     = aws_iam_role.demo.arn
  foundation_model            = "anthropic.claude-3-sonnet-20240229-v1:0"
  idle_session_ttl_in_seconds = 60
  instruction = "Just testing."
}
  
output "agent_version" {
  value = aws_bedrockagent_agent.demo.agent_version
}

Steps to Reproduce

1. Apply included terraform.
2. Note that agent_version is not returned.

Debug Output

No response

Panic Output

No response

Important Factoids

No response

References

No response

Would you like to implement a fix?

None

[github-actions]

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[kmcduffee-verisk]

Currently I am solving the alias issue with the following:

resource "aws_bedrockagent_agent_alias" "demo" {
  agent_alias_name = "demo"
  agent_id         = aws_bedrockagent_agent.demo.agent_id
  description      = "Demo"
  routing_configuration {
    agent_version = data.external.latest_agent_version.result.agent_version
  }
}

data "external" "latest_agent_version" {
  program = ["bash","${path.module}/scripts/get_agent_details.sh",aws_bedrockagent_agent.demo.agent_id]
  depends_on = [ aws_bedrockagent_agent.demo ]
}

#!/usr/bin/env bash

AGENT_ID=$1
AGENT_VERSION=$(aws bedrock-agent list-agents --query "agentSummaries[?agentId=='${AGENT_ID}'].latestAgentVersion" --output text)

jq -n --arg agent_version "${AGENT_VERSION}" '{"agent_version":$agent_version}'

[acwwat]

Just adding some observations here since I've been experimenting with the Bedrock Agents resources recently.

It seems that the agent_version in the context of aws_bedrockagent_agent is not very helpful because the value is supposedly hardcoded to DRAFT if you look at the API reference. But the actual behavior is also different or changing. I can see that the field is defined in the aws_bedrockagent_agent resource code as a computed attribute but it's being set to null because the AWS API is not returning it! When I called aws bedrock-agent get-agent in the CLI, the response does NOT include the agentVersion field.

It also doesn't help when versions are created only when an alias is created. So what I think we need is a new data source aws_bedrockagent_agent_versions to fetch the available versions for creating an alias pointing to a specific version.