getAviVS.py

# You need Python Openshift Client (https://github.com/openshift/openshift-client-python)
import openshift as oc

akoAnnotation = "ako.vmware.com/host-fqdn-vs-uuid-map"
outputFile = "vs_mapping.csv"
vsMapping = {}

print("Get AVI Virtual Services\n")

# Get all the routes in the cluster
routeSelector = oc.selector("routes", all_namespaces=True)
routes = routeSelector.objects()
print("Number of routes found: ", len(routes), "\n")

for route in routes:

    print("----- Route: ", route.name(), " -----")
    
    # Check if AKO annotated this route
    if akoAnnotation in route.model.metadata.annotations:
        
        annotation = route.model.metadata.annotations[akoAnnotation]
        print("Found AKO annotation: ", annotation)
        
        # Parse the annotation to get FQDN and VS
        annotationElements = annotation.replace("{", "").replace("}", "").replace("\"", "").split(":")
        fqdn = annotationElements[0]
        vs = annotationElements[1]
        print("FQDN:\t", fqdn)
        print("VS:\t", vs)
        
        # Add the new mapping if not already present
        if fqdn in vsMapping:
            print("FQDN already in dictionary")
        else:
            vsMapping[fqdn] = vs
            print("Mapping added to dictonary")

    print()

# Write output file
print("Writing output file... ", end='')
f = open(outputFile, "w")
for fqdn in vsMapping:
    f.write(fqdn + "," + vsMapping[fqdn] + "\n")
f.close
print("done!")