Commit-Confirm Mechanic for PND

Description

This MR introduces a commit-confirm mechanic for changes to ONDs. A change created in a pending-state. A commit of this change by the operator pushed the change to the given OND. If the commit is not confirmed within 10 minutes (default. Use the GOSDN_CHANGE_TIMEOUT environment variable to change the timeout) is is rolled back automatically.

Related Issue

Closes #99 (closed)

Motivation and Context

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

test/integration/cmdIntegration_test.go

@@ -16,7 +16,7 @@ import (
 
 const unreachable = "203.0.113.10:6030"
 
-var testAddress = "141.100.67.238:6030"
+var testAddress = "141.100.70.171:6030"
 var testAPIEndpoint = "http://gosdn-latest.apps.ocp.fbi.h-da.de/api"
 var testUsername = "admin"
 var testPassword = "arista"