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Adding Hints to EndpointSlice API

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This commit is contained in:
Rob Scott
2021-03-05 12:05:05 -08:00
parent fe43948d44
commit 11f0944dbc
34 changed files with 1847 additions and 126 deletions
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31
pkg/apis/discovery/validation/validation.go
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@@ -45,6 +45,7 @@ var (
maxAddresses = 100
maxPorts = 20000
maxEndpoints = 1000
maxZoneHints = 8
)
// ValidateEndpointSliceName can be used to check whether the given endpoint
@@ -125,6 +126,10 @@ func validateEndpoints(endpoints []discovery.Endpoint, addrType discovery.Addres
if endpoint.Hostname != nil {
allErrs = append(allErrs, apivalidation.ValidateDNS1123Label(*endpoint.Hostname, idxPath.Child("hostname"))...)
}
if endpoint.Hints != nil {
allErrs = append(allErrs, validateHints(endpoint.Hints, idxPath.Child("hints"))...)
}
}
return allErrs
@@ -179,3 +184,29 @@ func validateAddressType(addressType discovery.AddressType) field.ErrorList {
return allErrs
}
func validateHints(endpointHints *discovery.EndpointHints, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
fzPath := fldPath.Child("forZones")
if len(endpointHints.ForZones) > maxZoneHints {
allErrs = append(allErrs, field.TooMany(fzPath, len(endpointHints.ForZones), maxZoneHints))
return allErrs
}
zoneNames := sets.String{}
for i, forZone := range endpointHints.ForZones {
zonePath := fzPath.Index(i).Child("name")
if zoneNames.Has(forZone.Name) {
allErrs = append(allErrs, field.Duplicate(zonePath, forZone.Name))
} else {
zoneNames.Insert(forZone.Name)
}
for _, msg := range validation.IsValidLabelValue(forZone.Name) {
allErrs = append(allErrs, field.Invalid(zonePath, forZone.Name, msg))
}
}
return allErrs
}