Extended auditing and HMAC trust

This release adds extended auditing from git-tar/buildshiprun, fixes an issue with GitHub Checks API logs being rejected when they are too long for the API and implements trust via HMAC for the of-builder. and buildshiprun.

Auth 1.0

Authentication (and basic authorization via CUSTOMERS file) added

Release before adding auth

0.6.1

Update CUSTOMERS

Assorted changes

Changes:

• github-event is now the primary interface to GitHub rather than github-push
• labels are now all lowercase and prefixed with com.openfaas.cloud.

Other assorted changes in the UI dashboard.

Add URL formatting method to sdk

Format gateway url depending on env var

Creating a function in sdk which handles the formating of the
internal gateway URL. If variable present for kubernetes
the namespace is appended to the URL

Signed-off-by: Martin Dekov (VMware) <mdekov@vmware.com>

Add consts to sdk package

Changelog:

• Add consts to sdk package
• Includes various fixes / features for builder and dashboard

Add format method to SDK

Rename ServiceName to FormatServiceName and move out of event.go

Renaming ServiceName function to FormatServiceName function and
moving it into its own service.go file inside sdk also renaming
userName to owner in function parameter

Signed-off-by: Martin Dekov (VMware) <mdekov@vmware.com>

Add validation to PostAudit

Add tests for github-push

Adds tests against validCustomer and branch testing.

Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>

Add AuditLogger struct/interface

Add AuditLogger interface

Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>

Add Private field to PushEvent / Event

Add "Private" to Event and PushEvent

Required for #7 to know when to use a token to clone a private
repo.

Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>