Class: DashOverlord::Models::V1::DynamoDb::Migration

Inherits:
OpenStruct
  • Object
show all
Defined in:
lib/dash_overlord/models/v1/dynamo_db/migration.rb

Instance Method Summary collapse

Constructor Details

#initialize(migration_class) ⇒ Migration

Returns a new instance of Migration.



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# File 'lib/dash_overlord/models/v1/dynamo_db/migration.rb', line 8

def initialize(migration_class)
  @client ||= Aws::DynamoDB::Client.new

  @migration_class = migration_class
end

Instance Method Details

#create!(params = nil) ⇒ Object 



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# File 'lib/dash_overlord/models/v1/dynamo_db/migration.rb', line 14

def create!(params = nil)
  @client.create_table(params || create_params)
end

#create_params ⇒ Object 



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# File 'lib/dash_overlord/models/v1/dynamo_db/migration.rb', line 18

def create_params
  # THIS NEEDS TO BE DYNAMIC!
  {
    table_name: @migration_class.table_name,
    key_schema: [
      {
        attribute_name: "dashboard_id",
        key_type: "HASH" #PRIMARY KEY
      },
      {
        attribute_name: "id",
        key_type: "RANGE" # SORT KEY
      },
    ],
    attribute_definitions: [
      {
        attribute_name: "dashboard_id",
        attribute_type: "N"
      },
      {
        attribute_name: "id",
        attribute_type: "N"
      }
    ],
    provisioned_throughput: {
      read_capacity_units: 10,
      write_capacity_units: 10
    }
  }
end

#delete! ⇒ Object 



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# File 'lib/dash_overlord/models/v1/dynamo_db/migration.rb', line 49

def delete!
  @client.delete_table(delete_params)
end

#delete_params ⇒ Object 



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# File 'lib/dash_overlord/models/v1/dynamo_db/migration.rb', line 53

def delete_params
  {
    table_name: @migration_class.table_name
  }
end