Daemon State

Docker.Unix.Daemon.State.Monitor (UnitMonitor)

This monitor checks Docker daemon state.

Knowledge Base article:

Summary

This process monitor watches for a Docker Daemon process to be running.

Causes

A failure indicates that the service is down. A service can stop for many reasons, including:

Resolutions

Check the service on the system by running ps -ef | grep dockerd.

Element properties:

TargetDocker.Unix.Daemon
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Unix.WSMan.Process.Status.MonitorType
RemotableTrue
AccessibilityPublic
Alert Message
Docker daemon is not running.
The Docker daemon (dockerd) is not running on the computer {0}.
RunAsDefault

Source Code:

<UnitMonitor ID="Docker.Unix.Daemon.State.Monitor" Accessibility="Public" Enabled="true" Target="Docker.Unix.Daemon" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Unix!Microsoft.Unix.WSMan.Process.Status.MonitorType" ConfirmDelivery="false">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Docker.Unix.Daemon.State.Monitor.AlertMessage">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>MatchMonitorHealth</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Target/Host/Property[Type="Unix!Microsoft.Unix.Computer"]/PrincipalName$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Running" MonitorTypeStateID="Running" HealthState="Success"/>
<OperationalState ID="NotRunning" MonitorTypeStateID="NotRunning" HealthState="Error"/>
</OperationalStates>
<Configuration>
<TargetSystem>$Target/Host/Property[Type="Unix!Microsoft.Unix.Computer"]/NetworkName$</TargetSystem>
<ProcessName>dockerd</ProcessName>
<Interval>60</Interval>
</Configuration>
</UnitMonitor>