feat: Provide scraper for Azure Monitor Autoscale

[tomkerkhove]

Signed-off-by: Tom Kerkhove [email protected]

When implementing a new scraper; these tasks are completed:

• Implement configuration
• Implement validation
• Implement scraping
• Implement resource discovery
• Provide unit tests
• Test end-to-end
• Document scraper
• Add entry to changelog

Metrics output:

# HELP promitor_demo_appplan_autoscale_actions_scale Average amount of current instances for an Azure App Plan with Azure Monitor Autoscale
# TYPE promitor_demo_appplan_autoscale_actions_scale gauge
promitor_demo_appplan_autoscale_actions_scale{resource_group="demo",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/demo/providers/Microsoft.Insights/autoscalesettings/app-service-autoscaling-rules",instance_name="app-service-autoscaling-rules",scaledirection="Increase",app="promitor",geo="china",environment="dev"} 0 1620294180665
# HELP promitor_demo_appplan_autoscale_instances_current Average amount of current instances for an Azure App Plan with Azure Monitor Autoscale
# TYPE promitor_demo_appplan_autoscale_instances_current gauge
promitor_demo_appplan_autoscale_instances_current{resource_group="demo",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/demo/providers/Microsoft.Insights/autoscalesettings/app-service-autoscaling-rules",instance_name="app-service-autoscaling-rules",app="promitor",geo="china",environment="dev"} 2 1620294180987
# HELP promitor_demo_appplan_autoscale_observed_capacity Average amount of current instances for an Azure App Plan with Azure Monitor Autoscale
# TYPE promitor_demo_appplan_autoscale_observed_capacity gauge
promitor_demo_appplan_autoscale_observed_capacity{resource_group="demo",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/demo/providers/Microsoft.Insights/autoscalesettings/app-service-autoscaling-rules",instance_name="app-service-autoscaling-rules",metrictriggerrule="Auto created scale condition:microsoft.web/serverfarms:Average:CpuPercentage:PT10M:Increase",app="promitor",geo="china",environment="dev"} -1 1620294180806
promitor_demo_appplan_autoscale_observed_capacity{resource_group="demo",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/demo/providers/Microsoft.Insights/autoscalesettings/app-service-autoscaling-rules",instance_name="app-service-autoscaling-rules",metrictriggerrule="unknown",app="promitor",geo="china",environment="dev"} -1 1620293739695
# HELP promitor_demo_appplan_autoscale_observed_metric Average amount of current instances for an Azure App Plan with Azure Monitor Autoscale
# TYPE promitor_demo_appplan_autoscale_observed_metric gauge
promitor_demo_appplan_autoscale_observed_metric{resource_group="demo",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/demo/providers/Microsoft.Insights/autoscalesettings/app-service-autoscaling-rules",instance_name="app-service-autoscaling-rules",metrictriggersource="unknown",app="promitor",geo="china",environment="dev"} -1 1620293739695
promitor_demo_appplan_autoscale_observed_metric{resource_group="demo",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/demo/providers/Microsoft.Insights/autoscalesettings/app-service-autoscaling-rules",instance_name="app-service-autoscaling-rules",metrictriggersource="Auto created scale condition:microsoft.web/serverfarms:Average:CpuPercentage:PT10M",app="promitor",geo="china",environment="dev"} -1 1620294180887
# HELP promitor_demo_appplan_autoscale_instances_current_discovered Average amount of current instances for an Azure App Plan with Azure Monitor Autoscale
# TYPE promitor_demo_appplan_autoscale_instances_current_discovered gauge
promitor_demo_appplan_autoscale_instances_current_discovered{resource_group="demo",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/demo/providers/Microsoft.Insights/autoscalesettings/app-service-autoscaling-rules",instance_name="app-service-autoscaling-rules",app="promitor",geo="china",environment="dev"} 2 1620299642051
promitor_demo_appplan_autoscale_instances_current_discovered{resource_group="promitor-sources",subscription_id="0f9d7fea-99e8-4768-8672-06a28514f77e",resource_uri="subscriptions/0f9d7fea-99e8-4768-8672-06a28514f77e/resourceGroups/promitor-sources/providers/Microsoft.Insights/autoscalesettings/autoscale-promitor-app-plan",instance_name="autoscale-promitor-app-plan",app="promitor",geo="china",environment="dev"} -1 1620299642382

Discovery output:

[
  {
    "$type": "Promitor.Core.Contracts.ResourceTypes.MonitorAutoscaleResourceDefinition, Promitor.Core.Contracts",
    "AutoscaleSettingsName": "app-service-autoscaling-rules",
    "ResourceType": "MonitorAutoscale",
    "SubscriptionId": "0f9d7fea-99e8-4768-8672-06a28514f77e",
    "ResourceGroupName": "demo",
    "ResourceName": "app-service-autoscaling-rules",
    "UniqueName": "app-service-autoscaling-rules"
  },
  {
    "$type": "Promitor.Core.Contracts.ResourceTypes.MonitorAutoscaleResourceDefinition, Promitor.Core.Contracts",
    "AutoscaleSettingsName": "autoscale-promitor-app-plan",
    "ResourceType": "MonitorAutoscale",
    "SubscriptionId": "0f9d7fea-99e8-4768-8672-06a28514f77e",
    "ResourceGroupName": "promitor-sources",
    "ResourceName": "autoscale-promitor-app-plan",
    "UniqueName": "autoscale-promitor-app-plan"
  }
]
R

Fixes #1593