Upgraded Prometheus to v2.2.0

DFP has been upgraded to use Prometheus 2.2.0

alertPersistent parameter

A new parameter `alertPersistent' was added. Please consult Alert Parameters documentation for more info.

AlertIf Secrets

Docker Flow Monitor now supports Docker Secrets for adding custom alertIf shortcuts.

Please consult AlertIf Secrets Configuration for more info.

Added jobs scrape interval and timeout

Please consult Scrape Parameters for more info. Fixes #30.

AlertIf Logical Operators

The logical operators and, unless, and or can be used in combinations with AlertIf Parameter Shortcuts.

Please consult AlertIf Logical Operators documentation for more info.

Flexible labeling

Adds flexible labeling of exporters to DFM. Please consult the Flexible Labeling with Docker Flow Monitor tutorial to learn more.

Upgraded Prometheus to v2.1.0

Prometheus was upgraded to v2.1.0

Prometheus 2.0 support

Starting from this release, DFM is using Prometheus 2.x. Existing users need to migrate their data or choose to start over. Please visit the migration section of the documentation for more info. Big thanks to @thomasjpfan for this PR.

replicas_more_than and replicas_less_than shortcuts

@replicas_more_than and @replicas_less_than shortcuts were added. Please consult AlertIf Parameter Shortcuts for more info.

Big thanks to @andrh for the PR.

metricsPath

A new parameter metricsPath was added. It allows users to change the metrics endpoint which defaults to /metrics.