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Bedrock knowledge base

Modules

Name Source Version
db_sg terraform-aws-modules/security-group/aws 5.3.0
label cloudposse/label/null 0.25.0
lambda_function terraform-aws-modules/lambda/aws 8.0.1
lambda_sg terraform-aws-modules/security-group/aws 5.3.0
rds terraform-aws-modules/rds-aurora/aws ~> 9.15
s3_bucket terraform-aws-modules/s3-bucket/aws ~> 5.1

Inputs

Name Description Type Default Required
attributes posse attributes list(string) n/a yes
environment Environment string n/a yes
knowledge_bases Map of knowledge base configurations with their data sources 
map(object({
    kb_name            = optional(string)
    table_name         = string
    embedding_model_id = optional(string, "cohere.embed-multilingual-v3")
    data_sources = map(object({
      type                       = string
      s3_prefix                  = string
      s3_bucket_name             = optional(string) # Optional existing S3 bucket name
      include_datasource_in_name = optional(bool, false)
      chunking_strategy          = optional(string, "FIXED_SIZE")
      max_tokens                 = optional(number, 300)
      overlap_percentage         = optional(number, 20)
    }))
  }))
 {} no
name The name of the RDS string n/a yes
namespace Namespace string n/a yes
rds RDS configuration object 
object({
    engine_version                  = optional(string, "17.4")
    instance_class                  = optional(string, "db.serverless")
    database_name                   = optional(string, "postgres")
    master_username                 = optional(string, "root")
    min_capacity                    = optional(number, 0)
    max_capacity                    = optional(number, 8)
    monitoring_interval             = optional(number, 10)
    publicly_accessible             = optional(bool, false)
    deletion_protection             = optional(bool, false)
    skip_final_snapshot             = optional(bool, true)
    apply_immediately               = optional(bool, true)
    enable_http_endpoint            = optional(bool, true)
    parameter_family                = optional(string, "aurora-postgresql17")
    enabled_cloudwatch_logs_exports = optional(list(string), ["postgresql"])
    create_duration                 = optional(string, "2m")
  })
 {} no
rds_init RDS initialization configuration 
object({
    runtime       = optional(string, "python3.13")
    timeout       = optional(number, 600)
    memory_size   = optional(number, 256)
    architectures = optional(list(string), ["arm64"])
    log_level     = optional(string, "INFO")
  })
 {} no
vpc VPC configuration object 
object({
    vpc_id                 = string
    private_subnet_filter  = optional(string, "-private-")
    database_subnet_filter = optional(string, "-db-")
    create_vpc_endpoints   = optional(bool, false)
  })
 n/a yes

Outputs

Name Description
knowledge_bases Map of created knowledge bases and their data sources
lambda_security_group_id Security Group ID for Lambda
postgresql_extension_lambda_arn PostgreSQL Extension and Table Creation Lambda ARN
postgresql_extension_lambda_name PostgreSQL Extension and Table Creation Lambda Function Name
s3_buckets Map of created S3 buckets for data sources