Release notes for Edge-LB version 1.4.0

Edge-LB Service version 1.4.0 was released July 24, 2019.

New features and capabilities

Introduces automatic provisioning and lifecycle management for AWS Network Load Balancers (NLB).
Adds a new command-line program for removing AWS load balancer instances created for Edge-LB if you uninstall Edge-LB.
Provides a new command-line program for collecting logs and creating diagnostic bundles for Edge-LB operations.
Updates the HAProxy version to 2.0.1
Updates the Golang version to 1.12.7
Removes the use of sidecar
Adds haproxy exporter for HAProxy metrics

Edge-LB Service version 1.3.1 was released April 29, 2019.

Includes Mesos health checks when generating the list of active backends.
Provides Edge-LB artifacts as a .dcos package bundle.
Updates the SDK version from 0.55.2 to 0.55.4.
Updates the HAProxy version to 1.9.4.
Improves support for dynamically-allocated frontend ports.
Displays the frontend name in the output for the dcos edgelb endpoints command.
Improves the stability and scalability for the Edge-LB pool dcos-template and in the mesos-listener program.
Provides additional test coverage and other improvements in existing Edge-LB integration tests.

DCOS-45719 - Edge-LB waits for load balanced applications to to be running in a healthy state before routing traffic to them. This change prevents Edge-LB from routing traffic to an application before it completes its startup operations and its first health check.
DCOS-47839 - Users can specify the Edge-LB pool frontend using either the name or port setting.
DCOS-44077 - The mesos-listener program that communicates with Edge-LB includes improvements to tests coverage and code refactoring.
DCOS-51865 - Edge-LB continuous integration has been enhanced through testing and code refactoring.
DCOS-48059 - Edge-LB can successfully return the task id and task status for both server and sidecar tasks.
DCOS-46502 - Validates regular expressions from user input.
DCOS-48132 - The Edge-LB dcos-template monitors and reloads its configuration file to prevent Edge-LB pool updates from generating errors when there are frequent pool changes.

Edge-LB currently does not support Strict security mode on DC/OS 1.10, but supports Strict security mode in DC/OS 1.11.
The steps provided in the DC/OS 1.10 web interface to uninstall Edge-LB are incorrect. In order to correctly uninstall Edge-LB for any given DC/OS version, please follow the steps in the Edge-LB uninstall documentation.
Edge-LB running on a CentOS/RHEL 7.2 node where /var/lib/mesos is formatted with ext4 may have connection issues.
If a pool is configured with invalid constraints it must be removed manually since a failure in proper creation leads to a failure in proper removal.

Edge-LB Service version 1.3.0 was released February 6, 2019.

Simplify and optimize the HAProxy reload loop.
Improve the update strategy for the Edge-LB pool.
Bump the SDK version to 0.55.2.
Add protection against installing a pool while its previous version is still uninstalling.
Improve sidecars runs.
Improve integration test coverage.
Improve error messages with better logging
Expose task without pre-defined mesos-assigned ports
Dynamic allocation of the HAProxy STATS port
Dynamic allocation of the HAProxy Frontend port
Scale down Edge-LB pool instances

Edge-LB currently does not support Strict security mode on DC/OS 1.10, but supports Strict security mode in DC/OS 1.11.
Edge-LB currently does not support self-service configuration. All configuration must be handled centrally.
The steps provided in the DC/OS 1.10 web interface to uninstall Edge-LB are incorrect. In order to correctly uninstall Edge-LB for any given DC/OS version, please follow the steps in the Edge-LB uninstall documentation.
Edge-LB running on a CentOS/RHEL 7.2 node where /var/lib/mesos is formatted with ext4 may have connection issues.
If a pool is configured with invalid constraints it must be removed manually since a failure on proper creation leads to a failure in proper removal.