agentless_monitor 1.0.0

Monitor 1000+ servers without installing any agent. Uses SSH, SNMP, and REST API protocols to collect CPU, RAM, Disk, Network, Process and Service metrics. Auto-discovers new hosts in CIDR subnets. Ze [...]

Changelog

All notable changes to agentless_monitor are documented in this file.

The format follows Keep a Changelog and the project adheres to Semantic Versioning.

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1.0.0 — 2026-06-19

Added

• SSH Collector: Reads /proc/stat, /proc/meminfo, /proc/net/dev, df, ps aux, systemctl — zero software installation on targets.
• SNMP Collector: v1/v2c/v3 support with GetBulk batching. Built-in OID library covering Linux, Windows, Cisco, VMware ESXi.
• REST API Collector: Prometheus Exposition Format, Docker Stats API, generic JSON health endpoints, Kubernetes /stats/summary.
• AutoDiscoveryEngine: CIDR subnet scanning with ping + port probing. Fires DiscoveryResult events for newly seen hosts.
• PortProber: Identifies device type from 20+ well-known TCP ports.
• CidrParser: Pure-Dart CIDR expansion, containment check, host count.
• MonitorScheduler: Per-host periodic timers with configurable intervals.
• MetricAggregator: In-memory circular buffer, avg/peak CPU & RAM queries.
• AlertManager: Rule-based threshold evaluation with forDuration hysteresis to prevent flapping.
• AlertHistory: Queryable in-memory event log.
• SnmpTrapListener: UDP listener for inbound SNMP Traps.
• SnmpV3Security: Key localisation (SHA-1, MD5), HMAC generation, AES-128-CFB encryption / decryption.
• StorageLayer: MetricsStore (memory), TimeSeriesBuffer, SnapshotManager for before/after comparisons.
• TargetConfig presets: linux(), windows(), networkDevice(), esxi(), cloudVm().
• AlertRule presets: CPU critical/warning, RAM, Disk, Host Down, Slow Response.
• Full unit test suite (cidr, cpu, ram, disk, network, aggregator, alerts).
• CLI example and Flutter widget example.

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[Unreleased]

Planned

• SNMPv3 Inform (authenticated inbound notifications).
• Hive-backed persistent MetricsStore.
• InfluxDB / TimescaleDB export adapters.
• WebSocket push gateway for real-time dashboard integration.
• Windows WMI collector (alternative to SNMP for Windows metrics).
• Grafana annotation integration.
• dart pub publish workflow and GitHub Actions CI pipeline.