Neurosion/StackWarden

Application stack resource monitors and dashboard.

StackWarden

Application stack resource monitors and dashboard.

Monitors

• Monitor a resource and report its state to the configured handlers.
• Tags are optional, will be used for result grouping, but are currently not currently used.
• Display name is optional for all configurations.

Http Availability

• Attempts to connect to an http url
• Configuration Example

{
	"Type": "Http.Availability",
	"Interval": 60000,
	"Address": "http://your.domain.here",
	"DisplayName": "Friendly Name Here",
	"Tags":[
		"Tag1",
		"Tag2"
	],
	"Handlers":[
		"HandlerName",
		"SomeOtherHandlerName"
	]
}

SQL Database Presence

• Connects to a database server and queries that the database exists.
• Configuration Example

{
	"Type": "Database.SQLPresence",
	"Interval": 60000,
	"ConnectionString": "connection string goes here",
	"DisplayName": "Friendly Name Here",
	"Tags":[
		"Tag1",
		"Tag2"
	],
	"Handlers":[
		"HandlerName",
		"SomeOtherHandlerName"
	]
}

Machine Availability

• Pings the target machine.
• Configuration Example

{
	"Type": "Machine.Availability",
	"Interval": 60000,
	"Address": "MachineName",
	"DisplayName": "Friendly Name Here",
	"Tags":[
		"Tag1",
		"Tag2"
	],
	"Handlers":[
		"HandlerName",
		"SomeOtherHandlerName"
	]
}

• Optional Configuration
  • WarningThreshold: A ping equal to or higher than this will trigger a warning state.
    • "WarningThreshold": 50
  • ErrorThreshold: A ping equal to or higher than this will trigger an error state.
    • "ErrorThreshold": 50

MSMQ Message Queue

• Checks queue size and aggregates message count per message type.
• Configuration Example

{
	"Type": "MSMQ.QueueSize",
	"Interval": 60000,
	"Path": "FormatName:Direct=OS:server\\private$\\queue.name",
	"DisplayName": "Friendly Name Here",
	"Tags":[
		"Tag1",
		"Tag2"
	],
	"Handlers":[
		"HandlerName",
		"SomeOtherHandlerName"
	]
}

• Optional Configuration
  • WarningThreshold: A total message count equal to or higher than this will trigger a warning state.
    • "WarningThreshold": 50
  • ErrorThreshold: A total message count equal to or higher than this will trigger an error state.
    • "ErrorThreshold": 50

Windows Service State

• Checks a machine for a windows service and its state.
• Configuration Example

{
	"Type": "Service.State",
	"Interval": 60000,
	"Machine": "ServiceHostMachine",
	"Service": "Service Name",
	"DisplayName": "Friendly Name Here",
	"Tags":[
		"Tag1",
		"Tag2"
	],
	"Handlers":[
		"HandlerName",
		"SomeOtherHandlerName"
	]
}

Monitor Result Handlers

• Take results reported by monitors and forward them via the notification method and target they represent.
• The configuration files are named "YourHandlerNameHere.handlerconfig"
• The name used in the file name, before the extension, is used in the monitor configuration files to reference that handler.

Console

• For debugging

Dashboard

• Sends results to the StackWarden dashboard.
• Configuration Example

{
	"Type": "Dashboard",
	"HookAddress": "http://your.domain.here/api/monitor/result/hook"
}

Email

• Emails results to the specified recipients.
• SMTP settings are configured via the service's config file, for now.
• Configuration Example

{
	"Type": "Email",
	"Sender": "sender@domain.com",
	"Recipients":[
		"recipient@one.com",
		"recipient@two.com"
	]
}

Slack

• Sends results to the specific stack instance/channel.
• Configuration Example

{
	"Type": "Slack",
	"HookAddress": "http://your.slack.hook/here"
}

• Optional Configuration
  • Username: The username the results will be reported as coming from.
    • "Username": "UsernameHere"
  • Channel: The channel the results will be reported to.
    • "Channel": "ChannelNameHere"
  • Icon: The icon the user reporting the result will use.
    • "Icon": "http://icon.path.goes/here"
  • NotificationThreshold: The severity threshold used to determine if a message is sent to slack.
    • Values
      • Normal
      • Warning
      • Error
    • "NotificationThreshold": "Warning"