A low-level client representing AWS AppConfig Data
AppConfig Data provides the data plane APIs your application uses to retrieve configuration data. Hereâs how it works:
Your application retrieves configuration data by first establishing a configuration session using the AppConfig Data StartConfigurationSession API action. Your sessionâs client then makes periodic calls to GetLatestConfiguration to check for and retrieve the latest data available.
When calling StartConfigurationSession
, your code sends the following information:
Identifiers (ID or name) of an AppConfig application, environment, and configuration profile that the session tracks.
(Optional) The minimum amount of time the sessionâs client must wait between calls to GetLatestConfiguration
.
In response, AppConfig provides an InitialConfigurationToken
to be given to the sessionâs client and used the first time it calls GetLatestConfiguration
for that session.
This token should only be used once in your first call to GetLatestConfiguration
. You must use the new token in the GetLatestConfiguration
response ( NextPollConfigurationToken
) in each subsequent call to GetLatestConfiguration
.
When calling GetLatestConfiguration
, your client code sends the most recent ConfigurationToken
value it has and receives in response:
NextPollConfigurationToken
: the ConfigurationToken
value to use on the next call to GetLatestConfiguration
.
NextPollIntervalInSeconds
: the duration the client should wait before making its next call to GetLatestConfiguration
. This duration may vary over the course of the session, so it should be used instead of the value sent on the StartConfigurationSession
call.
The configuration: the latest data intended for the session. This may be empty if the client already has the latest version of the configuration.
The InitialConfigurationToken
and NextPollConfigurationToken
should only be used once. To support long poll use cases, the tokens are valid for up to 24 hours. If a GetLatestConfiguration
call uses an expired token, the system returns BadRequestException
.
For more information and to view example CLI commands that show how to retrieve a configuration using the AppConfig Data StartConfigurationSession
and GetLatestConfiguration
API actions, see Retrieving the configuration in the AppConfig User Guide.
import boto3 client = boto3.client('appconfigdata')
These are the available methods:
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