3.0.0-beta3
What's New in ioFog 3.0?Core ConceptsArchitectureQuick Start With Local DeploymentQuick Start On Minikube and Vagrant
iofogctl - ioFog Unified Command Line InterfaceDownload And Install iofogctlGetting Familiar With iofogctliofogctl Resource ManagementConnecting To Existing Edge Compute NetworksLegacy Commands in iofogctl
IntroductionPrepare NetworkPrepare Remote HostsRemote Host - Deploy Control Plane using iofogctlKubernetes - Prepare A ClusterKubernetes - Deploy Control Plane Using iofogctlKubernetes - Deploy Control Plane Using HelmSetup Agents
IntroductionConfigurationAttach / DetachVolume ManagementDocker Image PruningEdge ResourcesUpgrade / Rollback
Writing MicroservicesioFog SDKDebugging
IntroductionGet To Know ioFogManage Our MicroservicesCreate Our First Microservice - JavaScriptDeploy Our Microservice
IntroductionPublic servicesMove and Rename MicroservicesMicroservice Updates and LifecycleMicroservice Registry and Catalog ManagementApplication templatesMicroservice Logs
Kinds of ResourcesControl Plane YAML SpecificationAgent YAML SpecificationApplication YAML SpecificationApplication Template YAML SpecificationRoute YAML SpecificationCatalog Item YAML SpecificationRegistry YAML SpecificationEdge Resources YAML SpecificationTemplate engine for ioFog YAML Specification
OverviewLegacy Controller CLI UsageController REST API ReferenceECN Viewer
OverviewLegacy Agent CLI UsageAgent Local API ReferenceAgent ConfigurationsAgent LogsRemote debugging using IntelliJ
System: Diagnostics MicroserviceSystem: Hardware Abstraction Layer MicroserviceSystem: Bluetooth REST API MicroserviceJSON REST API And Open Weather Map Microservices
Contributing GuidelinesCode of Conduct

Agent Logs

Analyze and explore your logs for troubleshooting.

Default log file storage location: /var/log/iofog-agent

Log format: JSON

The JSON log format makes it easy to export logs to other programs or to a logging service.

Sample log:

{"timestamp":"2021-03-01T14:20:04.282+1300","level":"INFO","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"main","module":"Supervisor","message":" Starting Process Manager"}
{"timestamp":"2021-03-01T14:20:04.286+1300","level":"INFO","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"main","module":"Supervisor","message":" Started Process Manager"}
{"timestamp":"2021-03-01T14:20:04.290+1300","level":"INFO","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"PMCT","module":"Process Manager","message":"WAITING FOR NEW TASK"}
{"timestamp":"2021-03-01T14:20:04.291+1300","level":"INFO","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"main","module":"Supervisor","message":" Starting ResourceManager"}
{"timestamp":"2021-03-01T14:20:04.292+1300","level":"INFO","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"main","module":"Supervisor","message":" Started ResourceManager"}
{"timestamp":"2021-03-01T14:20:04.297+1300","level":"WARNING","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"RMUD","module":"Field Agent","message":"Not provisioned"}
{"timestamp":"2021-03-01T14:20:04.298+1300","level":"WARNING","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"RMUD","module":"Field Agent","message":"Not provisioned"}
{"timestamp":"2021-03-01T14:20:04.299+1300","level":"INFO","agent_id":"","pid":2670,"hostname":"iofog-agent","thread":"main","module":"Supervisor","message":" Starting Tracker"}

Logging field names

  • timestamp: Timestamp in RFC3339 format with millisecond precision, e.g. 2002-10-02T15:00:00.005-06:00
  • level: INFO, WARNING, FINE, FINER, FINEST, SEVERE
  • agent_id: the iofog agent id.
  • pid: process id.
  • hostname: hostname, e.g. localhost
  • thread: thread name or identififer.
  • module: name of the process.
  • message: body of the log message.
  • stacktrace: contents of a stacktrace.