private IEnumerable <Instantiation> GenerateRedisAutoscalingRules(RuleGeneratorArguments arguments)
{
if (!arguments.DynamicStampProperties.RedisAutoscalingEnabled)
{
yield break;
}
var autoscalingAgentConfiguration = new RedisAutoscalingAgent.Configuration();
if (arguments.DynamicStampProperties.RedisAutoscalingMaximumClusterMemoryAllowedMb > 0)
{
autoscalingAgentConfiguration.MaximumClusterMemoryAllowedMb = arguments.DynamicStampProperties.RedisAutoscalingMaximumClusterMemoryAllowedMb;
}
var redisAutoscalingAgent = new RedisAutoscalingAgent(autoscalingAgentConfiguration, arguments.EnvironmentResources.MonitorManagementClient);
var configuration = new RedisAutoscalingRule.Configuration(arguments.BaseConfiguration);
var primaryRedisInstance = RedisInstance
.FromPreloaded(arguments.EnvironmentResources.Azure, arguments.EnvironmentResources.RedisCaches[arguments.StampId.PrimaryRedisName])
.ThrowIfFailure();
var secondaryRedisInstance = RedisInstance
.FromPreloaded(arguments.EnvironmentResources.Azure, arguments.EnvironmentResources.RedisCaches[arguments.StampId.SecondaryRedisName])
.ThrowIfFailure();
yield return(new Instantiation
{
Rule = new RedisAutoscalingRule(configuration, redisAutoscalingAgent, primaryRedisInstance, secondaryRedisInstance),
PollingPeriod = TimeSpan.FromMinutes(10),
});
}
private async Task RunTestAsync(Func <OperationContext, TestableRedisAutoscalingAgent, Task> testFunc)
{
// Console is forwarded to XUnit as per TestBase
using var consoleLog = new ConsoleLog();
using var logger = new Logger(new[] { consoleLog });
var configuration = new RedisAutoscalingAgent.Configuration();
var redisAutoscalingAgent = new TestableRedisAutoscalingAgent(configuration);
var tracingContext = new Context(logger);
var operationContext = new OperationContext(tracingContext, token: default);
await testFunc(operationContext, redisAutoscalingAgent);
}
private IEnumerable <Instantiation> GenerateRedisAutoscalingRules(SingleStampRuleArguments arguments)
{
if (!arguments.DynamicStampProperties.RedisAutoscalingEnabled)
{
yield break;
}
if (!arguments.EnvironmentResources.RedisCaches.ContainsKey(arguments.StampId.PrimaryRedisName) || !arguments.EnvironmentResources.RedisCaches.ContainsKey(arguments.StampId.SecondaryRedisName))
{
_logger.Error($"Attempt to create Redis autoscaler for stamp `{arguments.StampId}` failed due to missing Redis instance. Skipping rule");
yield break;
}
var autoscalingAgentConfiguration = new RedisAutoscalingAgent.Configuration();
if (arguments.DynamicStampProperties.RedisAutoscalingMaximumClusterMemoryAllowedMb > 0)
{
autoscalingAgentConfiguration.MaximumClusterMemoryAllowedMb = arguments.DynamicStampProperties.RedisAutoscalingMaximumClusterMemoryAllowedMb;
}
var azureMetricsClient = new AzureMetricsClient(arguments.EnvironmentResources.MonitorManagementClient);
var redisAutoscalingAgent = new RedisAutoscalingAgent(autoscalingAgentConfiguration, azureMetricsClient);
var configuration = new RedisAutoscalingRule.Configuration(arguments.BaseConfiguration);
var primaryRedisInstance = RedisInstance
.FromPreloaded(
arguments.EnvironmentResources.Azure,
arguments.EnvironmentResources.RedisCaches[arguments.StampId.PrimaryRedisName],
readOnly: _configuration.ReadOnly)
.ThrowIfFailure();
var secondaryRedisInstance = RedisInstance
.FromPreloaded(
arguments.EnvironmentResources.Azure,
arguments.EnvironmentResources.RedisCaches[arguments.StampId.SecondaryRedisName],
readOnly: _configuration.ReadOnly)
.ThrowIfFailure();
yield return(new Instantiation
{
Rule = new RedisAutoscalingRule(configuration, redisAutoscalingAgent, primaryRedisInstance, secondaryRedisInstance),
PollingPeriod = TimeSpan.FromMinutes(10),
});
}
