Cassandra for TSEvent

This release allows Cassandra as optional backend storage for user defined events.

Note on Cassandra Table

It requires TWCS compaction: https://github.com/jeffjirsa/twcs

Changelog: v4.3.1...v4.3.2

Cassandra for TSLog

This release allows Cassandra as optional backend storage for logs.

Note on Cassandra Table

It requires this custom index: github.com/Stratio/cassandra-lucene-index

New Behaviors

• This release is compiled with Go 1.7.3.
• /api/metadata is removed. It's an odd feature that does not gel with the other features and easily replaceable with /api/hosts/:id/master-tags.

Changelog: v4.3.0...v4.3.1

Cassandra for TSMetric

This release introduces Cassandra as an alternative backend. It is currently being used only for TSMetric.

To accommodate this, the models/ layer is refactored thoroughly. There may be a few bugs, which we'll fix in future patch versions.

New Behavior

TSMetricsAggr15m has been removed. ResourceD no longer support aggregation of time series metrics.

Changelog: v4.2.9...v4.3.0

Fix a small regression on hosts query

where >= and <= are not parsed correctly.

Fix and expand Hosts queries

Bug Fix

• Fix the following arithmetic operations on hosts data: >, >=, <, <=. Previously it was doing string comparison, but now it will do proper float8 comparison.

New Feature

• Able to perform regex string matching on hosts data IF the data is string typed.

Changelog: v4.2.7...v4.2.8

Small bug fixes

Mostly around the UI after splitting /hosts page into 2.

Changelog: v4.2.6...v4.2.7

Brand new hosts page

New Features

• Able to query hosts by last updated interval. Example: Give me all hosts which were updated 1 hour ago.
• The /api/hosts endpoint also gained interval GET param. Default is 1h.
• Able to add master defined tags. They cannot be overrode by agents. They are visually indicated by blue color.
• Break up host page into 2, the listing and individual info. This is done to ensure listing page is snappy regardless how many hosts listed.

Bug Fixes

• Mostly around JS errors.

Changelog: v4.2.5...v4.2.6

Fix bug: abrupt channel closing on handlers

Changelog: v4.2.4...v4.2.5

Stabilize and bug fixes

New Features

• UI for check results.
• Able to run just API server, without UI.

New behaviors

• Deleted executor logs UI since executor now reports to regular logs.
• Hosts JSON data is flattened.
• Record more latency data.

Others

• Fixed various UI bugs.
• Compiled using Go 1.7.1

Changelog: v4.2.3...v4.2.4

Move to context.Context and Chi

Go 1.7 is now a new minimum requirement because of context.Context.

Internal Changes

• Remove gorilla/mux, use pressly/chi instead.
• Remove gorilla/context, use context.Context instead.
• Upgrade gorilla/csrf and gorilla/sessions.
• justinas/alice and carbocation/interpose are no longer needed.
• Dedicated stdout & stderr loggers.

Changelog: v4.2.2...v4.2.3