cfn-iot-rule-to-timestream.json

{
  "Description": "AWS IoT Core and Amazon Timestream integration.",
  "Resources": {
      "TimestreamDataBase": {
          "Type": "AWS::Timestream::Database"
      },
      "TimestreamTable": {
          "Type": "AWS::Timestream::Table",
          "Properties": {
              "DatabaseName": {
                  "Ref": "TimestreamDataBase"
              },
              "RetentionProperties": {
                  "MemoryStoreRetentionPeriodInHours": "24",
                  "MagneticStoreRetentionPeriodInDays": "5"
              }
          }
      },
      "IoTDataRule": {
          "Type": "AWS::IoT::TopicRule",
          "Properties": {
              "TopicRulePayload": {
                  "RuleDisabled": false,
                  "Actions": [
                      {
                          "Timestream": {
                              "RoleArn": {
                                  "Fn::GetAtt": [
                                      "IoTDataToTimestreamRole",
                                      "Arn"
                                  ]
                              },
                              "DatabaseName": {
                                  "Ref": "TimestreamDataBase"
                              },
                              "TableName": {
                                  "Fn::Select": [
                                      1,
                                      {
                                          "Fn::Split": [
                                              "|",
                                              {
                                                  "Ref": "TimestreamTable"
                                              }
                                          ]
                                      }
                                  ]
                              },
                              "Dimensions": [
                                  {
                                      "Name": "device_id",
                                      "Value": "${device_id}"
                                  },
                                  {
                                      "Name": "building",
                                      "Value": "${building}"
                                  },
                                  {
                                      "Name": "room",
                                      "Value": "${room}"
                                  }
                              ]
                          }
                      }
                  ],
                  "Sql": "SELECT humidity, pressure, temperature FROM 'dt/sensor/#'"
              }
          }
      },
      "IoTDataToTimestreamRole": {
          "Type": "AWS::IAM::Role",
          "Properties": {
              "AssumeRolePolicyDocument": {
                  "Statement": [
                      {
                          "Effect": "Allow",
                          "Principal": {
                              "Service": [
                                  "iot.amazonaws.com"
                              ]
                          },
                          "Action": [
                              "sts:AssumeRole"
                          ]
                      }
                  ]
              },
              "Policies": [
                  {
                      "PolicyName": {
                          "Fn::Join": [
                              "",
                              [
                                  "IoTDataToTimestreamInlinePolicy-",
                                  {
                                      "Ref": "AWS::Region"
                                  }
                              ]
                          ]
                      },
                      "PolicyDocument": {
                          "Version": "2012-10-17",
                          "Statement": [
                              {
                                  "Effect": "Allow",
                                  "Action": [
                                      "timestream:WriteRecords"
                                  ],
                                  "Resource": [
                                      {
                                          "Fn::GetAtt": [
                                              "TimestreamTable",
                                              "Arn"
                                          ]
                                      }
                                  ]
                              },
                              {
                                  "Effect": "Allow",
                                  "Action": [
                                      "timestream:DescribeEndpoints"
                                  ],
                                  "Resource": "*"
                              }
                          ]
                      }
                  }
              ],
              "Path": "/service-role/"
          }
      }
  },
  "Outputs": {
      "TimestreamDataBaseName": {
          "Description": "Timestream data base name",
          "Value": {
              "Ref": "TimestreamDataBase"
          }
      },
      "TimestreamTableName": {
          "Description": "Timestream table name",
          "Value": {
              "Ref": "TimestreamTable"
          }
      },
      "TimestreamTableArn": {
          "Description": "Timestream table arn",
          "Value": {
              "Fn::GetAtt": [
                  "TimestreamTable",
                  "Arn"
              ]
          }
      },
      "IoTDataToTimestreamRoleArn": {
          "Description": "Arn for the IAM role to allow write to Timestream table",
          "Value": {
              "Fn::GetAtt": [
                  "IoTDataToTimestreamRole",
                  "Arn"
              ]
          }
      }
  }
}