Agent Daemon Monitor

  • Aggregate peer data received by heartbeats

  • Monitor the local services instances status changes and merges them in the tx heartbeats data and cluster data

  • Monitor the local services configuration changes and update their last modification time in the tx heartbeats data and cluster data

  • Prepare the encrypted message sent by heartbeats

  • Signal tx heartbeats that a new message is ready for sending

  • Run the orchestrators

    • Node orchestrator

    • Service orchestrators

    • Restart service resources flagged for restart

  • Fetch and install the most recent service configuration from peers

Node Orchestrator

If set, try to reach the local_expect.

Value

Actions

thawed

  • set status to thawing

  • execute om node thaw

  • set status to idle

frozen

  • set status to frezing

  • execute om node freeze

  • set status to idle

Service Orchestrators

If set, negociate with peers which instances to start to reach global_expect.

If global_expect is not set, the expected service state is started.

If set, try to reach the local_expect.

Value

Actions

thawed

  • set status to thawing

  • execute om <svcname> thaw

  • set status to idle

frozen

  • set status to frezing

  • execute om <svcname> freeze

  • set status to idle

started

  • set status to starting

  • execute om <svcname> start

  • set status to idle or start failed

  • execute om <svcname> toc if start failed and a monitor action is defined

stopped

  • set status to stopping

  • execute om <svcname> stop

  • set status to idle or stop failed

Voir aussi

Orchestration