CHANGELOG.md

Master

• [BETA FEATURE] Support musl-based OSes (including Alpine Linux)

1.0.1 (November 15, 2016)

• [BUGFIX] Gracefully handle non-writable log files
• [BUGFIX] Fix skylight doctor's handling of config files
• [BUGFIX] Support MetalControllers that don't use ActionController::Rendering

1.0.0 (October 19, 2016)

• [BETA FEATURE] Track separate segments for endpoints. Contact support@skylight.io to have this feature enabled for your account.
• [FEATURE] Initial 'skylight doctor' command
• [BREAKING] Removed old skylight setup without creation token
• [BREAKING] Remove Ruby based SQL lexer
• [IMPROVEMENT] Internal refactors
• [BUGFIX] Correctly pass 'false' config values to Rust agent

0.10.6 (August 10, 2016)

• [BUGFIX] Turn off -Werror and -pedantic for builds. Issue #64

0.10.5 (June 22, 2016)

• [BUGFIX] Fix issue with Grape multi-method naming
• [BUGFIX] Add http to proxy_url for native fetching
• [BUGFIX] Fix setting proxy_url in config YML
• [IMPROVEMENT] Log errors during authentication validation

0.10.4 (June 3, 2016)

• [BUGFIX] Sinatra instrumenation now works for latest master
• [BUGFIX] Sequel support for 4.35.0
• [BUGFIX] Handle latest ActiveModel::Serializers version
• [BUGFIX] More precise check for existence of Rails
• [BREAKING] Drop official support for Sinatra 1.2 (it likely never worked correctly)
• [IMPROVEMENT] On Heroku, logs are now written to STDOUT
• [IMPROVEMENT] Allow Skylight to raise on logged errors, useful for testing and debugging
• [IMPROVEMENT] Finish Rack::Responses in Middleware
• [IMRPOVEMENT] Better message when config/skylight.yml already exists
• [IMPROVEMENT] Update Rust Agent with SQL improvements, including handling for arrays and WITH

0.10.3 (February 2, 2016)

• [BUGFIX] Don't validate configuration on disabled environments.

0.10.2 (January 19, 2016)

• [BUGFIX] Fix git repository warning on startup. Issue #58

0.10.1 (January 4, 2016) [YANKED]

• [FEATURE] Preliminary work for deploy tracking (not yet functional)
• [BUGFIX] Don't crash if user config (~/.skylight) is empty
• [BUGFIX] Better handling of unsupported moped versions
• [IMPROVEMENT] Internal refactor of configuration handling
• [IMPROVEMENT] Improve automated tests
• [IMPROVEMENT] Fix tests in Rails 5 (No actual code changes required!)

0.10.0 (December 3, 2015)

• [FEATURE] ActiveModel::Serializers Instrumentation. Always on in latest HEAD, for previous version add 'active_model_serializers' to probes list.
• [BUGFIX] Handle multi-byte characters in SQL lexer

0.9.4 (November 23, 2015)

• [FEATURE] Added instrumentation for official Mongo Ruby Driver (utilized by Mongoid 5+). Add 'mongo' to probes list to enable.
• [BUGFIX] SQL lexer now handles indentifiers beginning with underscores.
• [BUGFIX] Excon instrumentation now works correctly.
• [BUGFIX] Graceful handling of native agent failures on old OS X versions.
• [IMPROVEMENT] Freeze some more strings for (likely very minor) performance improvements.
• [IMPROVEMENT] Better error messages when sockdir is an NFS mount.
• [IMPROVEMENT] On OS X, ensure that Xcode license has been approved before trying to build native agent.

0.9.3 (November 17, 2015)

• [BUGFIX] Update SQL lexer to handle more common queries
• [BUGFIX] Correctly report native gem installation failures

0.9.2 (November 13, 2015)

• [BUGFIX] Correctly update Rust agent to include SQL fixes that were supposed to land in 0.9.1.

0.9.1 (November 10, 2015)

• [BUGFIX] Update Rust SQL lexer to handle NOT and :: typecasting.

0.9.0 (November 6, 2015)

• [FEATURE] Expose Skylight::Helpers.instrument_class_method
• [BUGFIX] Allow for instrumentation of setters
• [BUGFIX] Fix an issue where loading some items in the Grape namespace without loading the whole library would cause an exception.
• [IMPROVEMENT] Switch to Rust SQL lexer by default
• [IMPROVEMENT] Add support for Redis pipelined and multi
• [IMPROVEMENT] Updated Rust internals
• [IMPROVEMENT] Agent should now work on current Rails master
• [IMPROVEMENT] Better disabling of development mode warning

0.8.1 (October 1, 2015)

• [BUGFIX] Fix agent on OS X El Capitan.
• [PERFORMANCE] Explicitly subscribe to normalized events
• [IMPROVEMENT] Use native unique description tracking
• [IMPROVEMENT] Native SQL: Support multistatement queries

0.8.0 (August 13, 2015)

• [FEATURE] Add Grape instumentation. See http://docs.skylight.io/grape
• [FEATURE] Process ERB in config/skylight.yml
• [FEATURE] Add Rust based SQL lexing. Currently beta. Enable with config.sql_mode = 'rust'.
• [BUGFIX] Fixed a case where, With some logger configurations, duplicate messages could be written to STDOUT.

0.7.1 (August 4, 2015)

• [BUGFIX] Fix bug in FFI error handling

0.7.0 (August 3, 2015)

• [BUFIX] Condvar bug in Rust. Updated to latest nightly.
• [BUGFIX] Don't crash on ruby stack overflow
• [IMPROVEMENT] Silence a noisy log message
• [IMPROVEMENT] Update to latest openssl & curl
• [FEATURE] Add probe on ActionView for layout renders

0.6.1 (June 30, 2015)

• [BUGFIX] Don't use $DEBUG to enable verbose internal logging

0.6.0 (January 27, 2015)

• [IMPROVEMENT] Eliminates runtime dependency on the Rails constant across the entire codebase
• [FEATURE] Support for Sinatra applications. See http://docs.skylight.io/sinatra/
• [FEATURE] Support for the Sequel ORM (off by default for Rails apps)
• [FEATURE] Support for Tilt templates (off by default for Rails apps)

0.5.2 (December 15, 2014)

• [IMPROVEMENT] Support ignoring multiple heartbeat endpoints
• [BUGFIX] Fix compilation errors on old GCC

0.5.1 (December 5, 2014)

• [BUGFIX] Fix issues with working directory dissappearing

0.5.0 (December 4, 2014)

• [IMPROVEMENT] Automatically load configuration from ENV
• [FEATURE] Track object allocations per span
• [IMPROVEMENT] Fix C warnings

0.4.3 (November 17, 2014)

• [BUGFIX] Fix Moped integration when queries include times

0.4.2 (November 12, 2014)

• [BUGFIX] Fix exit status on MRI 1.9.2
• [BUGFIX] Strip SQL comments for better aggregation

0.4.1 (November 7, 2014)

• [BUGFIX] Fix downloading native agent on 32bit systems
• [BUGFIX] Support legacy config settings
• [FEATURE] Check FS permissions on instrumenter start

0.4.0 (November 3, 2014)

• Featherweight Agent: lowered CPU and memory overhead
• [IMPROVEMENT] Add support for ignoring an endpoint by name

0.3.21 (October 8, 2014)

• [BUGFIX] Skylight crashing on start won't crash entire app

0.3.20 (September 3, 2014)

• [BUGFIX] Fix app name fetching on Windows for skylight setup

0.3.19 (July 30, 2014)

• [IMPROVEMENT] HEAD requests are no longer instrumented and will not count towards usage totals.
• [IMPROVEMENT] Added LICENSE and CLA
• [IMPROVEMENT] Improve how warnings are logged to reduce overall noise and interfere less with cron jobs
• [BUGFIX] Fixed a case where failed app creation raised an exception instead of printing error messages

0.3.18 (July 17, 2014)

• [FEATURE] Redis probe (Not enabled by default. See http://docs.skylight.io/agent/#railtie)
• [FEATURE] Support app creation with token instead of email/password
• [BUGFIX] App creation now works even when Webmock is enabled
• [BUGFIX] Fix instrumentation for methods ending in special chars
• [BUGFIX] Improved SQL parsing
• [IMPROVEMENT] Respect collector token expiration to reduce token requests

0.3.17 (July 1, 2014)

• Fix warning for Cache.instrument overwrite

0.3.16 (July 1, 2014) [YANKED]

• Fixed ActiveSupport::Cache monkeypatch

0.3.15 (June 30, 2014) [YANKED]

• Basic instrumentation for ActiveSupport::Cache
• Fix incompatibility with old version of rack-mini-profiler
• Better error messages when config/skylight.yml is invalid
• Better error messages for non-writeable lock/sockfile path

0.3.14 (June 3, 2014)

• Do not build C extension if dependencies (libraries/headers) are missing
• [RUST] Improve performance by not double copying memory when serializing
• Enable the Net::HTTP probe by default

0.3.13 (May 12, 2014)

• Load probes even when agent is disabled
• Check for Excon::Middlewares before installing the probe
• SQL error encoder should not operate in-place
• Fix Middleware
• More debug logging
• Log Rails version in MetricsReporter
• Handle missing Net::ReadTimeout in 1.9.3
• Include original exception information in sql_parse errors
• Debugging for failed application creation
• Make double sure that Trace started_at is an Integer

0.3.12 (April 17, 2014)

• Include more information in type check errors
• Use stdlib SecureRandom instead of ActiveSupport::SecureRandom - Fixes Rails 3.1
• Instrumenter#start! should fail if worker not spawned
• Configurable timeouts for Util::HTTP
• Improve proxy handling for Util::HTTP
• Improve HTTP error handling
• Refactor sql_parse errors

0.3.11 (April 11, 2014)

• Improved error handling and internal metrics
• Improved missing native agent message
• Improved install logging
• Added initial inline docs
• Respects HTTP_PROXY env var during installation
• Don't overwrite sockfile_path if set explicitly

0.3.10 (April 8, 2014)

• Don't raise on missing native agent path

0.3.9 (April 8, 2014)

• Avoid finalizing sockets in the child process
• Fix non-displaying warnings around native agent
• Remove HTTP path information from title for better grouping

0.3.8 (April 3, 2014)

• Update vendored highline to 1.6.21
• Send more information with exceptions for easier debugging
• Instrument and report internal agent metrics for easier debugging
• Fix bug with tracking request counts per endpoint

0.3.7 (March 31, 2014)

• Use a default event category if none passed to Skylight.instrument
• Fix bugs around disabling the agent
• Fix native extension compilation bugs

0.3.6 (March 27, 2014)

• Shorter token validation timeout
• Allow validation to be skipped

0.3.5 (March 26, 2014)

• Update Rust component
• Return true from Task#handle to avoid sutdown
• Fix numeric check that caused crash on some 32-bit systems
• Improve error message for missing Skylight ext
• Better config error messages
• Validate authentication token before starting
• Add proxy support

0.3.4 (March 13, 2014)

• Don't try to boot Skylight without native agent
• Make exception classes always available
• CLI should require railtie before loading application.rb

0.3.3 (March 12, 2014)

• Load the railtie even without native agent

0.3.2 (March 11, 2014)

• Autoload Skylight:Helpers even when native agent isn't available
• Fix SEGV

0.3.1 (March 8, 2014)

• Fix requires to allow CLI to function without native extension.

0.3.0 (February 28, 2014)

• Native Rust agent
• Send exceptions occurring during HTTP requests to the client.
• Warn users when skylight is potentially disabled incorrectly.
• Update SQL Lexer to 0.0.6
• Log the backtraces of unhandled exceptions
• Add support for disabling GC tracking
• Add support for disabling agent

0.2.7 (February 26, 2014)

• Disable annotations to reduce memory load.

0.2.6 (February 25, 2014)

• inspect even whitelisted payload props
• Ignore Errno::EINTR for 'ps' call

0.2.5 (February 21, 2014)

• Revert "Update SqlLexer to 0.0.4"

0.2.4 (February 20, 2014)

• Whitelist process action annotation keys.
• Update SqlLexer to 0.0.4

0.2.3 (December 20, 2013)

• Fix SQL lexing for comments, arrays, double-colon casting, and multiple queries
• Handle template paths from gems
• Status and exception reports for agent debugging

0.2.2 (December 10, 2013)

• Added support for Mongoid/Moped
• Fix probe enabling
• Improved error reporting
• Fix bug with multiple subscribers to same notification

0.2.1 (December 4, 2013)

• Fix bin/skylight

0.2.0 (December 3, 2013)

• Added Probes, initially Net::HTTP and Excon
• Wide-ranging memory cleanup
• Better resiliance to binary and encoding errors
• Add support for disabling
• De-dupe rendering instrumentation better
• Fix send_file event to not spew a gazillion nodes
• Rails 3.0 compatibility
• Detailed SQL annotations

0.1.8 (July 19, 2013)

• Update agent for new authentication scheme
• Change ENV variable prefix from SK_ to SKYLIGHT_

0.1.7 (July 11, 2013)

• Add instrument_method helper
• Add the ability to configure logging from railtie
• Tracks the current host
• [BUG] Handle AS::N monkey patching when there are already subscribers
• [BUG] Handle ruby 1.9.2 encoding bug

0.1.6 (June 11, 2013)

• [BUG] Fix unix domain socket write function in standalone agent
• Performance improvements
• Tolerate invalid trace building
• Fix Skylight on Rails 4

0.1.5 (May 31, 2013)

• Provide a default CA cert when one is not already present
• Expose Skylight.start! and Skylight.trace as APIs
• Expose Skylight.instrument as an API for custom instrumentation.

0.1.4 (May 30, 2013)

• [BUG] Fix some errors caused by floating point rounding
• [BUG] Handle clock skew caused by system clock changes

0.1.3 (May 29, 2013)

• [BUG] Require net/https and openssl
• [BUG] Rails' logger does not respond to #log. Use level methods instead

0.1.2 (May 29, 2013)

• [BUG] Disable GC profiling on JRuby

0.1.1 (May 29, 2013)

• [BUG] GC Profiling was not getting enabled

0.1.0 (May 24, 2013)

• Initial release