Handling changes to the configuration and topology of a Cloud Service
A Microsoft Azure Cloud Service has to detect and respond to changes to its service configuration. Two types of changes are exposed to the service: changes to the ConfigurationSettings
element of the ServiceConfiguration.cscfg
service configuration file and changes to the service topology. The latter refers to changes in the number of instances of the various roles that comprise the service.
The RoleEnvironment
class exposes six events to which a role can register a callback method to be notified about these changes:
Changing
Changed
SimultaneousChanging
SimultaneousChanged
Stopping
StatusCheck
The Changing
event is raised before the change is applied to the role. For configuration ...
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