Monasca Architecture

Components

Main components:

• monasca-api: The Monasca REST API
• monasca-persister: Writes metrics to a time-series database
• monasca-thresh: Thresholding engine, processes metrics and determines alarm states
• monasca-notification: Delivers notifications when an alarm state transitions
• monasca-agent: Collects metrics from a node, service, application, Prometheus endpoint, …
• monasca-log-api: API for working with log data in Monasca
• monasca-aggregator: Near real-time continuous aggregation of Monasca metrics

Deployment methods:

• monasca-docker: Docker containers and the docker-compose development environment
• monasca-helm: Helm charts for deployment in Kubernetes
• puppet-monasca: puppet modules for deploying Monasca in OpenStack
• os_monasca, os_monasca-agent, os_monasca-ui: Ansible modules for deployment in an OpenStack environment
• rpm-packaging: RPM spec file templates and tooling for building OpenStack packages for RPM based distributions
• Devstack may also be a valuable reference for development and as an example of how to configure the set of Monasca services.

Client libraries:

• python-monascaclient: CLI and Python library for interating with the Monasca API
• monasca-statsd: statsd-compatible library for sending metrics from instrumented applications to Monasca

Integrations with other tools:

• grafana: Forked version of Grafana that adds support for Keystone authentication
• monasca-grafana-datasource: Monasca data source for Grafana
• monasca-grafana-app: Application plugin for Grafana
• monasca-ui: Monasca UI for OpenStack Horizon
• monasca-kibana-plugin: Keystone authentication support and multi-tenancy for Kibana 4.6.x
• monasca-transform: Transformation and aggregation of data in Monasca
• monasca-ceilometer: Plugin and storage driver for Ceilometer to send samples to Monasca, also known as Ceilosca