Euro 1.1.5

Features:

• RabbitMQ HA setup is supported
• Services bridge uses all service GUIDs for a service name
• Abacus apps can be pushed with a custom CF stack

Fixes:

• Separate install and stage
• Bump bootstrap to 4.3.1
• Enable sampler's worker integration-test

Euro 1.1.4

Usage metering

• rewrite of collector and meter
• RabbitMQ used to buffer incoming docs and prevent overload
• usage docs are automatically retried for 3 days
• added dedup id

Usage accumulation and aggregation

• aggregation fails for NaN, null or undefined; zero (0) is allowed
• SLACK semantics changed to "time after month end"
• removed redundant dataflow mapper
• shift timewindows for consumers
• store previous month data in own partition
• fixed: time-window shifting

Usage reporting

• return 206 on missing space data
• remove charge and price from reports
• fixed: throttle queue is blocked after 10000 failed requests

Sampling API

• introduced reciever and worker

Plans

• fix linux-container measure units

Data format and processing

• added account type
• usage is rejected with 451 response for configured account types

CF integration

• fixed: renewer failed to start due to existing carryover db doc
• fixed: cfpush does not delete the old app
• support substitution variables in cfpush
• support routes and buildpacks manifest elements in cfpush

Service Broker

• refactor update service flow

Performance

• interleave healthchecker calls
• do not use 'cluster'
• optimize reporting

Misc

• removed CouchDB support
• removed Concourse pipelines
• removed rc profiles
• removed webapp binary
• improved plan-tester
• improve healthchecker error handling
• removed unused matrix module
• introduce custom metrics module
• oauth module token can be initialized only once
• added metrics in express, webapp, collector, meter modules
• use docker compose file for MongoDB and RabbitMQ dependencies
• refactor tests structure
• simplified Java and Node.js demo apps
• extracted clients for Abacus APIs
• added grep and fgrep flags to abacus-mocha

Euro 1.1.3

Fixed npm package versions

Euro 1.1.2

Usage reporting

• missing consumer data will result in 206 status code
• charge and summary are set to 0, if the plan has no such metric defined

Data format and processing:dataflow

• meter function errors will result in 422 responses

Misc

• fixed server time-out if no cluster is used
• healthchecker is now asynchronous
• new demo script for posting usage (thanks to Johannes Alberti)

Previous release v1.1.1

Euro 1.1.1

Usage reporting

• Reports no longer contain hours, minutes or seconds data
• Bigger reports can be generated by increasing connection timeout

Usage accumulation and aggregation

• Documents with different resource_id no longer considered duplicate
• Aggregate fn can no longer wipe-out all aggregations producing NaN

Plans

• Plans are no-longer bound to specific organization (IGNORE_ORGANIZATION=true)

Data format and processing:dataflow

• hour, minute and second time-windows are no longer calculated
• fixed db call size calculations
• plan function errors will result in 422 responses
• spaces are stored in different documents to reduce org docs size

CF integration

• app & service bridges use system scope to submit usage (no max-inflight protection)
• service bridge supports update events

Service Broker

• merged cf-abacus-broker features into cf-abacus
• update-service supports custom configuration
• use OSBAPI context for org/space metadata

Performance

• system scope requests are not affected by max-inflight protection
• disabled compression of requests between stages (5-15% docs/sec improvement)
• reduced number of objects that will be garbage-collected
• plan functions are cached in all stages (10-15% docs/sec improvement)
• connection timeout is now configurable ('CONNECTION_TIMEOUT')
• rate-limiting on per-resource-provider basis (429 response)
• max-inflight returns 503

Deployment & Test pipelines

• blue-green flag is now read correctly from manifest
• introduced x-large profile
• increased org-quota to allow x-large profile deployments
• fixed wait for ongoing db operations
• fixed restart of failed apps on Linux
• added routes mapping in test-pipeline

Misc

• MongoDB operations now use majority write concern by default
• added chai-as-promised to make async/await testing easier
• perf test can generate reproducible organization ids
• added more plan-tester cases
• batch and throttle modules now export their default settings
• abacus-moment supports moment.js duration

Previous release v1.1.0

Euro 1.1.0

Usage reporting

• shift time-windows data
• GraphQL reports no longer require summary
• ignore plans that changed metrics
• skip consumers with missing docs
• variable names refactoring
• reduce used memory

Plans

• mapping API

Data format and processing (dataflow)

• allow configurable time-windows via TIME_WINDOWS_SIZES

CF integration

• application & service bridges rewritten

Security

• support Eureka with basic authentication
• introduce authentication/authorization support for provisioning plugin
• disable self-signed certificates. SKIP_SSL_VALIDATION variable turns off cert validation
• limit max number of requests (OOM/DoS protection)

Performance

• using Node.js 8.9: up to 1 second / 1000 documents speed-up
• plan ID access is correctly cached
• cluster workers can be auto-scaled to match CPUs
• reduced reporting used memory
• offload CC by polling less frequently by default

Deployment & Test pipelines

• deploy pipeline
  • parallel deployment of up to 50 applications
  • purge no longer part of the pipeline
  • remove password dumps
  • support scaling-up applications
• test pipeline
  • recreation of org & user are now optional
• removed cfpack

Misc

• new plan-tester module
• replaced npm with yarn for build & testing
• dbclients
  • introduced readAllPages
  • memdown not used to drop DB
• integration tests 2x speedup
• removed anomalous usage detection
• extracted basic module
• perf module
  • configurable granularity and size of count window
  • roll counters on health check
• batch fails just the group with error
• replay uses paging
• parallelize Travis build
• mocha can run individual files
• code reformat with 120 columns and 1tbs
• cmdline uses cf curl

Previous release v1.0.0

Euro - first production release

Usage metering and rating

• disable bloom filter

Usage accumulation and aggregation

• more sampling options
• extract reducing logic in dataflow
• fixed shifting bug in aggregator
• accumulator does not persist first start
• added calculation details
• include previous quantity in windows that change during aggregation
• include resource_instance_id and consumer_id in aggregated org document
• move resource instance references to aggregated consumer docs
• support down-sampling of accumulated and aggregated usage history
• more flexible accumulate and aggregate functions

Usage reporting

• cache eval functions (speedup 2x-4x)
• return a list of resource instances, adjusted to reporting time in org usage report
• show 0 charge in report
• export helper functions in abacus-usage-reporting
• add reportError function
• accountUsage uses the correct endpoint
• remove resource_id, plan_id and previous_quantity from the report
• report only events that are older than a limit

CF integration

• (experimental) introduce generic service bridge
• handle seconds-level of precision in events
• introduce carry-over state DB
• extract common logic in abacus-report, abacus-paging and carry-over modules
• renewer ignores errors in communication with collector
• do not try to renew usage out of slack window
• renewer does not fail without input data
• handle business errors
• support for purged event stream
• do not submit stop usage at month boundary
• transfer carry over usage to the current month db
• improved statistics and error-reporting endpoint
• app bridge supports org filtering
• ignore "STAGING" app usage events
• make renewer retry interval configurable
• skip conflicting usage (409) responses

Data format and processing (dataflow)

• use end/start time in duplicate detection documents
• error databases for every month
• changed resource level aggregated_usage
• ignore 409 while logging input
• do not throw 409 without dedupe
• detect errors with no sink
• log errors in their respective months
• post to output DB when sink returns 409
• propagate usage data across pipeline
• include resource_id and plan_id as a part of the document
• configurable retry post to dataflow sink
• support localhost sink
• use separate keys to address sink partitions
• remove id field from stored docs
• shrink the consumer ids for saving space
• add provider, resource, plan ids to collected usage keys

Plans

• validation
  • add schema validation of default rating and pricing plans
  • improve error handling and harden abacus-eval
  • validate plan functions using ESLint
  • fail if unused variables (but not function args) found
• remove container plan
• extract plan mappings to make local development easier
• remove path param plan_id from create endpoint in Provisioning
• configurable caching duration for the plans
• added missing previous_running_instances in linux-container metering plan
• introduce metrics type in metering plans

Deployment

• deploy pipeline
  • enable embedding in "landscape" release project
  • support CF installations without LB
  • support insecure CF installation
  • support use of (asynchronous) DB services instead of DB URLs
  • update users, db, security groups, UAA clients instead of delete-create
  • fail when creating or updating a service failed
  • support non-paid services
  • change CF_API to CF_SYS_DOMAIN
  • increase the number of workers for CF stage & push in pipelines
  • support for multiple Abacus installations (ABACUS_PREFIX)
  • replace-template supports duplicate use of a variable
  • improved variable documentation
  • post-infra, pre-start and pre-configure hooks
  • configurable number of retries for app start, slack interval and DEBUG
• test pipeline
  • add duplication tests
  • add retry for performance tests
• introduced monitoring pipeline
• uptime & availability
  • remove OPTIONS endpoint
  • move healthcheck endpoint from eureka to webapp module
• cfpush supports custom buildpack
• cfpush reads appname from manifest instead of package.json
• cfpush retries operations
• support PRIMARY_DOMAIN env.variable
• support ABACUS_ROOT env.variable in cfpack
• add Node options env.variable
• support new CF CLI in cfsetup script
• support PCFDev and custom bosh-lite hosts
• do not pack tests
• config that skips most intermediate DBs

Security

• remove node.js version and memory usage headers
• authorize before accessing db in reporting and dataflow
• use authentication with mapper replay
• replay works with secured Abacus
• fix authorization in smoke test and demo
• use read-only Cloud Controller scope for cf-applications
• reporting authorization with system token
• enable SSL validation in mongoclient by default

Performance

• store only failed ids instead full docs on replay
• limit the number of db connections used to list error docs
• support zero delay batch config with BATCH_DELAY=0
• back-propagate once per batch instead of once per sample
• allow concurrent posts of reduction output docs
• introduce minimum hystrix delay

Misc

• dbclients
  • query function added to couchclient
  • new couch session store module
  • configure DB names using env variables
  • introduce DB_OPTS in mongo and couch clients
  • add distinct values query in mongo client
  • extract dbcommons module with logic for bulk & batch db operations
  • extend db clients with drop partitions capabilities
  • support for DB aliases and multiple mongo DBs
  • fix mongo and couch connection pooling issues
  • disable db pooling for in-memory pouch
  • drop databases instead of clearing memdown globalStore
  • fix collection names generation in mongoclient
  • mongoclient supports query parameters with collections
  • return correct flags in case of conflict in couchclient
  • delete rev field instead of setting it undefined
• testing
  • helper scripts to select local PouchDB, MongoDB and CouchDB servers
  • do not start test pouchserver when using MongoDB or CouchDB
  • execute each test file in a separate process
  • added duplication and performance tests to Travis
  • disable integration tests if units failed in Travis
  • disable Bluemix deploy in Travis
  • added Mongo 2.6 and 3.2 builds in Travis
  • add sinon.assert as global object
  • do not show fake coverage with NO_ISTANBUL
  • support time-shifting with abacus-moment module
  • added smoke test for productive installations
• anomalous usage detection
  • add base logic
  • introduce iterable module
  • add weight matrices to matrix module
  • skeleton of optional analyzer service module
• other
  • remove babel and migrate to ES6
  • remove bootstrap npm script
  • rename prepare script to provision
  • allow custom batch endpoint in request
  • version script runs on Linux
  • allow use of global node_modules with direnv
  • replay uses duplicate detection docs
  • replay runs in parallel with app.listen
  • add cause to business error messages
  • support long argument names in foreach
  • no breaker on throttled functions
  • remove eureka's dependency on SECURED env var
  • configurable retries in the retry module
  • do not cache undefined/unexisting responses
  • support false values in .apprc configs
  • support down-sampling of sequence ids
  • check for correct node and npm versions
  • removed outdated Japanese documentation

Previous release v0.0.5

v0.0.5

Abacus - Change History

The Abacus usage metering and aggregation service.

---

v0.0.5 - 05/25/2016

Usage metering and rating

• refactor provisioning config and account plugins
• improve flexibility of metering, rating, and pricing plans
• persist last submitted runtime usage GUID
• detect conflicting runtime usage events
• improve error reporting
• store usage processing errors in a separate DB

Usage accumulation and aggregation

• refactor time window processing using moment.js
• fixes to time window based usage accumulation
• support out of sequence time-based usage events
• remove consumers without usage from aggregated usage
• support variable usage slack window
• improve duplicate usage doc detection

Usage reporting

• improve GraphQL error reporting
• support user-defined quantities and costs in GraphQL reports

Deployment

• new Concourse build and test pipeline
• pluggable database support
• support both CouchDB and MongoDB databases
• improved pipeline configuration documentation
• improved security configuration documentation

Security

• secure /log, /healthcheck and /hystrix routes
• refactor CF bridge OAuth support
• secure CF bridge routes
• fix OAuth token refresh logic

Performance

• improve CF bridge performance

Misc

• add useful error logging

Prerequisites

• Node.js 5.10, 6.2
• Npm 3.8
• CouchDB 1.6+ compatible database or MongoDB 3.2+ database
• Cloud Foundry v226+

v0.0.5-rc.1 - 03/07/2016

Usage metering and rating

• refactor provisioning config and account plugins
• improve flexibility of metering, rating, and pricing plans
• persist last submitted runtime usage GUID

Usage accumulation and aggregation

• refactor time window processing
• fixes to time window based usage accumulation
• support out of sequence time-based usage events
• remove consumers without usage from aggregated usage
• support variable usage slack window

Usage reporting

• improve GraphQL error reporting
• support user-defined quantities and costs in GraphQL reports

Deployment

• pluggable database support
• support both CouchDB and MongoDB databases
• improved pipeline configuration documentation
• improved security configuration documentation

Security

• secure /log routes
• refactor CF bridge OAuth support
• secure CF bridge routes

Performance

• improve CF bridge performance

Misc

• add useful error logging

Prerequisites

• Node.js 0.12, 4.2, 5.6
• CouchDB 1.6+ compatible database or MongoDB 3.2+ database
• Cloud Foundry v210+

---

v0.0.5-rc.0 - 02/02/2016

Usage metering and rating

• Refactor plugins to use separate metering, rating and pricing plans

Misc

• Database client fixes

---

v0.0.4 - 12/21/2015

Usage collection

• Handle runtime usage GUID resets

Usage metering and rating

• Metering and rating configuration at the resource/plan level
• Usage rating at the resource instance level
• Remove separate rating service
• Disable BigNumber errors with more than 15 significant digits

Usage accumulation and aggregation

• Fixes to time window and slack window processing logic
• Refactor and simplify aggregation processing
• Include account id in aggregated usage
• Remove deprecated region property
• Optionally post aggregated usage to an external service

Deployment

• Upgrade to latest Node dependencies
• Improve BOSH release creation and deployment scripts
• Improve performance of deployment to CF

Monitoring

• Monitoring of Abacus services using Hystrix, Eureka and Turbine
• Config options and instrumentation to help monitor memory usage
• Fix service health reporting logic

Security

• Refactor and simplify OAuth support module
• Don't write passwords to debug log

Performance

• Improve memory usage and fix memory leaks
• Tune throttling and cache sizes
• Implement usage processing backpressure
• Minimize number of usage replays when recovering

Prerequisites

• Node.js 0.12, 4.2, 5.3
• CouchDB 1.6+ compatible database
• Cloud Foundry v210+

v0.0.3 - 11/06/2015

Usage submission

• Scoped organization ids (e.g. per deployment, region, zone etc)
• Optionally replay unprocessed usage after a restart

Usage metering and rating

• Accurate floating point calculations using BigNumber.js

Usage accumulation

• Fix remaining timing and event sequencing issues in tests

Deployment

• Several small/medium/large deployment config options
• Prototype of a BOSH release for Abacus

Documentation

• Japanese translation

Misc

• Performance optimizations, latency and memory footprint

Prerequisites

• Node.js 0.12, 4.2, 5.0
• CouchDB 1.6+ compatible database
• Cloud Foundry v210+

---

v0.0.2 - 10/30/2015

Usage submission

• Accept and record duplicate usage docs
• Fix issue with db partitioning in provisioning service

Usage accumulation

• Fix timing and event sequencing issues in tests

App usage metering

• Fix detection of duplicate usage docs with multiple consumers

Misc

• App health checks based on error rates
• Optional registration in Eureka for monitoring with Hystrix
• Support easier app environment configuration with .rc files

Prerequisites

• Node.js 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.2-rc.2 - 10/23/2015

Usage submission

• Change consumer field type to a string
• Improve error reporting
• Store provider client id with submitted usage

Usage accumulation

• Bug fixes with usage accumulation and slack windows
• Improve reliability of duplicate usage doc detection

Usage reports

• Fix handling of undefined usage values

App usage metering

• Improvements to make test logic independent of timing
• Throttle usage submission at startup time

Security

• Pass Abacus token instead of client token to resource config service
• Add a test UAA stub service allowing all tests to run with security
• Use more consistent config variable names

Performance improvements

• Faster duplicate usage doc detection
• Reduced number of database writes per usage doc
• Fixed Node.js IO starvation issues under load

Misc

• More flexible database name configuration
• More flexible database partitioning configuration

Prerequisites

• Node.js 0.10, 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.2-rc.1 - 10/16/2015

Usage submission

• Simpler and more consistent usage submission API
• Single usage model for runtime and service resources
• Pluggable usage validation

Usage accumulation

• Usage accumulation over month, day, hour, min, sec time windows
• Configurable accumulation functions
• Automatic calculation of time-based usage consumption
• Handling of out of sequence and delayed usage

Usage aggregation

• Usage aggregation over orgs, spaces, resources, consumers and apps
• Configurable aggregation functions

Usage rating

• Rating of aggregated usage
• Configurable pricing and rating functions

Usage reports

• Simpler and more consistent usage reporting API
• Default usage summary reports
• Configurable summary and charge calculation functions
• GraphQL usage query API

Platform integration and onboarding

• Pluggable resource provider and resource configuration onboarding
• Pluggable org collection management

Security

• Authentication using OAuth tokens
• Usage submission authorization using OAuth scopes
• Pluggable usage reporting authorization

App usage metering

• CF app usage bridge to Abacus

Documentation

• Improvements to the API doc
• FAQ with a few initial questions

Misc

• Support for usage region info
• Performance improvements
• DB error handling improvements
• Increased test coverage
• Integration and performance tests

Prerequisites

• Node.js 0.10, 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.1 - 07/14/2015

Initial public contribution

v0.0.4

Abacus - Change History

The Abacus usage metering and aggregation service.

---

v0.0.4 - 12/21/2015

Travis CI build #632

Usage collection

• Handle runtime usage GUID resets

Usage metering and rating

• Metering and rating configuration at the resource/plan level
• Usage rating at the resource instance level
• Remove separate rating service
• Disable BigNumber errors with more than 15 significant digits

Usage accumulation and aggregation

• Fixes to time window and slack window processing logic
• Refactor and simplify aggregation processing
• Include account id in aggregated usage
• Remove deprecated region property
• Optionally post aggregated usage to an external service

Deployment

• Upgrade to latest Node dependencies
• Improve BOSH release creation and deployment scripts
• Improve performance of deployment to CF

Monitoring

• Monitoring of Abacus services using Hystrix, Eureka and Turbine
• Config options and instrumentation to help monitor memory usage
• Fix service health reporting logic

Security

• Refactor and simplify OAuth support module
• Don't write passwords to debug log

Performance

• Improve memory usage and fix memory leaks
• Tune throttling and cache sizes
• Implement usage processing backpressure
• Minimize number of usage replays when recovering

Prerequisites

• Node.js 0.12, 4.2, 5.3
• CouchDB 1.6+ compatible database
• Cloud Foundry v210+

v0.0.3 - 11/06/2015

Usage submission

• Scoped organization ids (e.g. per deployment, region, zone etc)
• Optionally replay unprocessed usage after a restart

Usage metering and rating

• Accurate floating point calculations using BigNumber.js

Usage accumulation

• Fix remaining timing and event sequencing issues in tests

Deployment

• Several small/medium/large deployment config options
• Prototype of a BOSH release for Abacus

Documentation

• Japanese translation

Misc

• Performance optimizations, latency and memory footprint

Prerequisites

• Node.js 0.12, 4.2, 5.0
• CouchDB 1.6+ compatible database
• Cloud Foundry v210+

---

v0.0.2 - 10/30/2015

Usage submission

• Accept and record duplicate usage docs
• Fix issue with db partitioning in provisioning service

Usage accumulation

• Fix timing and event sequencing issues in tests

App usage metering

• Fix detection of duplicate usage docs with multiple consumers

Misc

• App health checks based on error rates
• Optional registration in Eureka for monitoring with Hystrix
• Support easier app environment configuration with .rc files

Prerequisites

• Node.js 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.2-rc.2 - 10/23/2015

Usage submission

• Change consumer field type to a string
• Improve error reporting
• Store provider client id with submitted usage

Usage accumulation

• Bug fixes with usage accumulation and slack windows
• Improve reliability of duplicate usage doc detection

Usage reports

• Fix handling of undefined usage values

App usage metering

• Improvements to make test logic independent of timing
• Throttle usage submission at startup time

Security

• Pass Abacus token instead of client token to resource config service
• Add a test UAA stub service allowing all tests to run with security
• Use more consistent config variable names

Performance improvements

• Faster duplicate usage doc detection
• Reduced number of database writes per usage doc
• Fixed Node.js IO starvation issues under load

Misc

• More flexible database name configuration
• More flexible database partitioning configuration

Prerequisites

• Node.js 0.10, 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.2-rc.1 - 10/16/2015

Usage submission

• Simpler and more consistent usage submission API
• Single usage model for runtime and service resources
• Pluggable usage validation

Usage accumulation

• Usage accumulation over month, day, hour, min, sec time windows
• Configurable accumulation functions
• Automatic calculation of time-based usage consumption
• Handling of out of sequence and delayed usage

Usage aggregation

• Usage aggregation over orgs, spaces, resources, consumers and apps
• Configurable aggregation functions

Usage rating

• Rating of aggregated usage
• Configurable pricing and rating functions

Usage reports

• Simpler and more consistent usage reporting API
• Default usage summary reports
• Configurable summary and charge calculation functions
• GraphQL usage query API

Platform integration and onboarding

• Pluggable resource provider and resource configuration onboarding
• Pluggable org collection management

Security

• Authentication using OAuth tokens
• Usage submission authorization using OAuth scopes
• Pluggable usage reporting authorization

App usage metering

• CF app usage bridge to Abacus

Documentation

• Improvements to the API doc
• FAQ with a few initial questions

Misc

• Support for usage region info
• Performance improvements
• DB error handling improvements
• Increased test coverage
• Integration and performance tests

Prerequisites

• Node.js 0.10, 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.1 - 07/14/2015

Initial public contribution

v0.0.3

Abacus - Change History

The Abacus usage metering and aggregation service.

---

v0.0.3 - 11/06/2015

Travis CI build #539

Usage submission

• Scoped organization ids (e.g. per deployment, region, zone etc)
• Optionally replay unprocessed usage after a restart

Usage metering and rating

• Accurate floating point calculations using BigNumber.js

Usage accumulation

• Fix remaining timing and event sequencing issues in tests

Deployment

• Several small/medium/large deployment config options
• Prototype of a BOSH release for Abacus

Documentation

• Japanese translation

Misc

• Performance optimizations, latency and memory footprint

Prerequisites

• Node.js 0.12, 4.2, 5.0
• CouchDB 1.6+ compatible database
• Cloud Foundry v210+

---

v0.0.2 - 10/30/2015

Usage submission

• Accept and record duplicate usage docs
• Fix issue with db partitioning in provisioning service

Usage accumulation

• Fix timing and event sequencing issues in tests

App usage metering

• Fix detection of duplicate usage docs with multiple consumers

Misc

• App health checks based on error rates
• Optional registration in Eureka for monitoring with Hystrix
• Support easier app environment configuration with .rc files

Prerequisites

• Node.js 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.2-rc.2 - 10/23/2015

Usage submission

• Change consumer field type to a string
• Improve error reporting
• Store provider client id with submitted usage

Usage accumulation

• Bug fixes with usage accumulation and slack windows
• Improve reliability of duplicate usage doc detection

Usage reports

• Fix handling of undefined usage values

App usage metering

• Improvements to make test logic independent of timing
• Throttle usage submission at startup time

Security

• Pass Abacus token instead of client token to resource config service
• Add a test UAA stub service allowing all tests to run with security
• Use more consistent config variable names

Performance improvements

• Faster duplicate usage doc detection
• Reduced number of database writes per usage doc
• Fixed Node.js IO starvation issues under load

Misc

• More flexible database name configuration
• More flexible database partitioning configuration

Prerequisites

• Node.js 0.10, 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.2-rc.1 - 10/16/2015

Usage submission

• Simpler and more consistent usage submission API
• Single usage model for runtime and service resources
• Pluggable usage validation

Usage accumulation

• Usage accumulation over month, day, hour, min, sec time windows
• Configurable accumulation functions
• Automatic calculation of time-based usage consumption
• Handling of out of sequence and delayed usage

Usage aggregation

• Usage aggregation over orgs, spaces, resources, consumers and apps
• Configurable aggregation functions

Usage rating

• Rating of aggregated usage
• Configurable pricing and rating functions

Usage reports

• Simpler and more consistent usage reporting API
• Default usage summary reports
• Configurable summary and charge calculation functions
• GraphQL usage query API

Platform integration and onboarding

• Pluggable resource provider and resource configuration onboarding
• Pluggable org collection management

Security

• Authentication using OAuth tokens
• Usage submission authorization using OAuth scopes
• Pluggable usage reporting authorization

App usage metering

• CF app usage bridge to Abacus

Documentation

• Improvements to the API doc
• FAQ with a few initial questions

Misc

• Support for usage region info
• Performance improvements
• DB error handling improvements
• Increased test coverage
• Integration and performance tests

Prerequisites

• Node.js 0.10, 0.12, 4.2
• CouchDB 1.6 compatible database
• Cloud Foundry v210+

---

v0.0.1 - 07/14/2015

Initial public contribution