Amoc Versions Save

Changed:

• add some fixes in the documentation
• set the release version automatically

Changed:

• extended amoc documentation
• automatic distribution of the uploaded scenarios to all the nodes in the amoc cluster
• amoc configuration:
  • mandatory declaration of the required parameters for the scenario
  • ets based amoc_config:get/2 interface
• amoc_controller - module doesn't hold any information about the cluster any more, it's now a responsibility of the amoc_dist module

Added:

• integration tests for docker based amoc cluster
• possibility to dynamically add the new amoc node to the cluster

Removed:

• unused rebar dependencies

Changed:

• exometer - now Amoc uses only exometer_core and 2 reporters graphite and statsd
• scenario for GDPR removal

Removed:

• scenarios and helpers related to XMPP - they were moved to https://github.com/esl/amoc-arsenal-xmpp
• dependency on escalus, amqp_client and other libraries not directly used by Amoc

Changed:

• escalus to esl/escalus@58c2bf8
• amoc_xmpp new helper function send_request_and_get_response
• amoc_xmpp_handlers new function for constructing handlers
• amoc_scenario behavior was extended with optional callbacks continue, terminate, next_user_batch more details in #90
• Amoc's docker container allows to pass AMOC_EXTRA_CODE_PATHS env var with path to additional beam files
• Amoc's REST API allows to start a scenario which is outside of Amoc's scenario directory
• amoc_config
  • allows to pass env vars containing value false
  • allows to parse and validate scenario variables passed as env vars
• amoc_dist and amoc_slave now master node is the one a scenario is started on
• amoc_throttle works in distributed mode now
• documentation - the structure of the documentation was reworked and the content was updated and extended

Added:

• amoc_xmpp_muc new module with helper function for building MUC scenarios
• scripts and documentation showing how to setup and run load tests with multiple Amoc nodes in docker containers
• iq_metrics helper for generic metrics related to IQ stanzas
• MUC and MUC_light load test scenarios
• amoc_coordinator to coordinate sessions

Removed:

• ansible scripts for deploying amoc
• amoc_annotations module
• config helper module - functionality moved to amoc_config

Changed:

• amoc_controller to allow passing stated from scenario's init callback to start callback
• amoc_metrics support gauge metric type
• amoc_scenario behavior to allow passing state from init to start callbacks
• amoc_xmpp
  • connect_or_exit function was extended to allow passing extra user/connection options
  • new function pick_server/1which picks random server from config var xmpp_servers
• supported Erlang/OTP versions - now the oldest supported is Erlang/OTP 21.2
• escalus updated to esl/escalus@f20bee4
  • scenarios where adjusted to be compatible with the updated escalus

Added:

• helper module for scenario configuration
• amoc_throtlle module
• amoc_xmpp_user module for unified user and password generation

Changed:

• amoc_metrics - now only 2 type of metrics are available via the amoc_metrics API
  • counters - counting occurrences of an event in total and in last minute. This is exometer's spiral metric. Its name is prefixed with [amoc, counters].
  • times - provides statistic of given action execution time. This is exometer's histogram metric. Its name is prefixed with [amoc, times].

Added:

• amoc_xmpp - a new module, currently with only one function simplifying connection to the XMPP server
• amoc_xmpp_handlers - a new module with 2 handlers which can be used with escalus's stnaza handler feature. See sample scenarios (mongoose_simple_with_metrics) for examples.

Changed:

• updated deps #67:
  • escalus
  • lager to 3.6.8
  • jiffy to 0.15.2
  • trails to 2.1.0
  • cowboy_trails to 2.1.0
  • recon to 2.4.0
  • cowboy to 2.3.0

Added:

• amqp_client 3.7.9

Removed:

• mochijson2
• lhttpc

Changed:

• use rebar3 to build the project #62
• Dockerfile to build local version of Amoc - enables automated builds #66

Changed:

• esl/escalus updated to esl/escalus@47848b5

Added:

• iproute2 pkg to amoc's docker
• ability to pass graphite's port number to amoc's docker container

This release includes:

• Core functionality of parallel scenario execution (in either local or distributed environment)
• Possibility of controlling the scenario during execution (via the Erlang API)
• Basic instrumentation with Graphite metrics and annotations (via exometer reporter)
• An HTTP API for controlling scenario execution remotely
• Ansible automation for deploying and configuring the release on many nodes
• Set of Docker files in order to facilitate automation, but without Ansible
• Example XMPP and HTTP scenarios
• Very basic documentation