14 sensor types for complete application visibility

From HTTP health checks to database queries, Onagre covers every layer of your stack.

HTTP Sensors

Monitor web endpoints, APIs, and content validation.

HTTP Response

FREE

Verify URL availability and validate expected HTTP status codes.

Keyword Search

FREE

Check if a specific keyword is present in HTTP response body.

JSON Content

FREE

Extract and validate values from JSON API responses with comparison operators.

XML Content

FREE

Use XPath expressions to verify values in XML responses.

Network Sensors

Check connectivity, ports, DNS, and certificates.

Ping

PRO

ICMP echo requests to check host reachability and response time.

Port Status

PRO

Verify TCP port availability on any host.

Domain Resolution

PRO

Validate DNS resolution for your domains.

Certificate Validity

PRO

Monitor SSL/TLS certificate expiration with configurable thresholds.

Database Sensors

Query SQL databases and key-value stores.

SQL Compatible

ENTERPRISE

Execute queries on PostgreSQL, MySQL, MariaDB, SQL Server, and Oracle.

Key-Value DB

ENTERPRISE

Monitor Redis databases with key presence and value validation.

Messaging Sensors

Monitor message queues and detect accumulation.

Dead Letter Queue

ENTERPRISE

Monitor RabbitMQ queue message counts and detect accumulation.

File Sensors

Validate file existence and integrity.

File Checksum

ENTERPRISE

Validate file existence and integrity with MD5, SHA-1, SHA-256, SHA-384, or SHA-512.

System Sensors

Heartbeats and auto-collected server metrics.

Heartbeat

PRO

Passive monitoring: detect missed periodic signals from your services.

Server Metrics

PRO

Auto-collected CPU, memory, disk usage, uptime, and load average from agents.

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