#!/usr/bin/python
# -*- coding: utf-8 -*-

# Import the TencentCloud API entry module
import logging
import traceback
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models


Purchase Primary Instance
def CreateDBInstancedemomaster():
    try:
        # Instantiate an authentication object. The input parameters must include the Tencent Cloud account secretId and secretKey.
        cred = credential.Credential("secretId", "secretKey")

        # Instantiate the client object for the product to be requested (using cdb as an example)
        client = cdb_client.CdbClient(cred, "ap-beijing")

        # Instantiate a request object: req = models.ModifyInstanceParamRequest()
        req = models.CreateDBInstanceRequest()
        req.Memory = 2000
        req.Volume = 120
        req.Period = 1
        req.GoodsNum =1
        req.Zone = "ap-beijing-1"
        req.Port = 3306
        #req.MasterInstanceId = "cdb-7ghaiocc"
        req.InstanceRole = "master"
        req.EngineVersion = "5.6"
        req.Password = "CDB@Qcloud"
        req.ProtectMode = 0
        req.InstanceName = "tencentcdb"
        req.SecurityGroup = ["sg-eq0hvlzp"]


        # Call the API you want to access through the client object. You need to pass in the request object.
        resp = client.CreateDBInstance(req)
        # Output the response as a json string.
        print(resp.to_json_string())


    except TencentCloudSDKException as err:
        msg = traceback.format_exc() # Method 1  
        print (msg) 




Purchase Read-Only Instance
def CreateDBInstancedemoro():
    try:
        # Instantiate an authentication object. The input parameters must include the Tencent Cloud account secretId and secretKey.
        cred = credential.Credential("secretId", "secretKey")

        # Instantiate the client object for the product to be requested (using cdb as an example)
        client = cdb_client.CdbClient(cred, "ap-beijing")

        # Instantiate a request object: req = models.ModifyInstanceParamRequest()
        req = models.CreateDBInstanceRequest()
        req.Memory = 2000
        req.Volume = 200
        req.Period = 1
        req.GoodsNum =1
        req.Zone = "ap-beijing-1"
        req.Port = 3306
        req.InstanceRole = "ro"
        req.EngineVersion = "5.6"
        req.Password = "CDB@Qcloud"
        req.ProtectMode = 0
        req.DeployMode =1
        req.GoodsNum =2
        req.SlaveZone = "ap-beijing-1"
        req.ParamList = [{"name":"max_connections","value":"1000"},{"name":"lower_case_table_names","value":"1"}]
        req.BackupZone = "0"
        req.AutoRenewFlag =0
        req.MasterInstanceId ="cdb-bgr97hu0"
        req.RoGroup = {"RoGroupMode":"allinone","RoGroupName":"roweek"}
        req.InstanceName = "tencentcdbRO"


        # Call the API you want to access through the client object. You need to pass in the request object.
        resp = client.CreateDBInstance(req)
        # Output the response as a json string.
        print(resp.to_json_string())


    except TencentCloudSDKException as err:
        msg = traceback.format_exc() # Method 1  
        print (msg) 


Purchase Disaster Recovery Instance
def CreateDBInstancedemodr():
    try:
        # Instantiate an authentication object. The input parameters must include the Tencent Cloud account secretId and secretKey.
        cred = credential.Credential("secretId", "secretKey")

        # Instantiate the client object for the product to be requested (using cdb as an example)
        client = cdb_client.CdbClient(cred, "ap-shanghai")

        # Instantiate a request object: req = models.ModifyInstanceParamRequest()
        req = models.CreateDBInstanceRequest()

        req.Memory = 4000
        req.Volume = 200
        req.Period = 1
        req.GoodsNum =1
        #req.Zone = "ap-shanghai-2"
        req.Port = 3306
        req.InstanceRole = "dr"
        #req.MasterInstanceId
        req.EngineVersion = "5.6"
        req.Password = "CDB@Qcloud"
        req.ProtectMode = 0
        req.DeployMode =0
        #req.SlaveZone = "ap-guangzhou-3"
        req.ParamList = [{"name":"max_connections","value":"1000"},{"name":"lower_case_table_names","value":"1"}]
        req.BackupZone = "0"
        req.AutoRenewFlag =0
        #req.RoGroup = {"RoGroupMode":"alone","RoGroupName":"roweek"}
        #req.RoGroup = {"RoGroupName":"roweek"}
        #param = models.RoGroup()
        #param.RoGroupMode = "alone"
        #param.RoGroupName = "roweek"
        #param.MinRoInGroup = 1
        #req.RoGroup = [param]


        #ro = [{"roGroupMode":"allinone"},{"RoGroupName":"ro_www"}]
        #req.RoGroup = [ro]
        req.MasterInstanceId ="cdb-bgr97hu0"
        req.MasterRegion = "ap-beijing"
        #roGroup = [RoGroupMode="allinone", RoGroupName="weekro",RoOfflineDelay=1,MinRoInGroup=5,MinRoInGroup=1]
        #req.RoGroup = [roGroup]
        req.InstanceName = "tencentcdbDR"


        # Call the API you want to access through the client object. You need to pass in the request object.
        resp = client.CreateDBInstance(req)
        # Output the response as a json string.
        print(resp.to_json_string())


    except TencentCloudSDKException as err:
        msg = traceback.format_exc() # Method 1  
        print (msg) 

#CreateDBInstancedemodr()
#CreateDBInstancedemoro()
#CreateDBInstancedemomaster()


For hourly billing, funds must be frozen in the account. The account must have a sufficient balance. If the account balance is 0, the purchase cannot be made.
#!/usr/bin/python
# -*- coding: utf-8 -*-

# Import the TencentCloud API entry module
import logging
import traceback
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models

try:
    # Instantiate an authentication object. The input parameters must include the Tencent Cloud account secretId and secretKey.
    cred = credential.Credential("secretId", "secretKey")

    # Instantiate the client object for the product to be requested (using cdb as an example)
    client = cdb_client.CdbClient(cred, "ap-beijing")

    # Instantiate a request object: req = models.ModifyInstanceParamRequest()
    req = models.CreateDBInstanceHourRequest()
    req.EngineVersion = "5.6"
    req.Zone = "ap-beijing-3"
    req.ProjectId = 0
    req.GoodsNum = 1
    req.Memory = 1000
    req.Volume = 50
    req.InstanceRole = "master"
    req.Port =3311
    req.Password = "CDB@Qcloud"
    req.ParamList = [{"name":"max_connections","value":"1000"},{"name":"lower_case_table_names","value":"1"}]
    req.ProtectMode = 1
    req.SlaveZone = "ap-beijing-3"
    req.InstanceName = "oneday1"
    req.AutoRenewFlag = 0


    # Call the API you want to access through the client object. You need to pass in the request object.
    resp = client.CreateDBInstanceHour(req)

    # Output the response as a json string.
    print(resp.to_json_string())
except TencentCloudSDKException as err:
    msg = traceback.format_exc() # Method 1  
    print (msg) 

#!/usr/bin/python
# -*- coding: utf-8 -*-

# Import the TencentCloud API entry module
import logging
import traceback
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models

try:
    # Instantiate an authentication object. The input parameters must include the Tencent Cloud account secretId and secretKey.
    cred = credential.Credential("secretId", "secretKey")

    # Instantiate the client object for the product to be requested (using cdb as an example)
    client = cdb_client.CdbClient(cred, "ap-shanghai")

    # Instantiate a request object: req = models.ModifyInstanceParamRequest()
    req = models.DescribeDBInstancesRequest()
    req.EngineVersions = ["5.6"]
    req.OrderBy = "instanceId"
    req.InstanceIds = ["cdb-1j8lumf6"]


    # Call the API you want to access through the client object. You need to pass in the request object.
    resp = client.DescribeDBInstances(req)

    # Output the response as a json string.
    print(resp.to_json_string())
except TencentCloudSDKException as err:
        msg = traceback.format_exc() # Method 1  
        print (msg) 

#!/usr/bin/python
# -*- coding: utf-8 -*-

# Import the TencentCloud API entry module
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models

try:
    # Instantiate an authentication object. The input parameters must include the Tencent Cloud account secretId and secretKey.
    cred = credential.Credential("secretId", "secretKey")

    # Instantiate the client object for the product to be requested (using cdb as an example)
    client = cdb_client.CdbClient(cred, "ap-guangzhou")

    # Instantiate a request object: req = models.ModifyInstanceParamRequest()
    req = models.DescribeDBPriceRequest()  
    req.Zone = "ap-guangzhou-3"
    req.GoodsNum = 1
    req.Memory =2000
    req.Volume =1000
    req.PayType = 'PRE_PAID'
    req.Period=1


    # Call the API you want to access through the client object. You need to pass in the request object.
    resp = client.DescribeDBPrice(req)

    # Output the response as a json string.
    print(resp.to_json_string())
except TencentCloudSDKException as err:
    print(err)