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Merge pull request #94114 from MarcPow/azure-provider-ip-tags
Azure Cloud Provider should support Service annotations that allow for ip-tag control over the public ips created for LoadBalancer Services
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
4fd93ff852
@ -23,6 +23,7 @@ import (
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"fmt"
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"math"
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"reflect"
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"sort"
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"strconv"
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"strings"
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@ -82,6 +83,9 @@ const (
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// ServiceAnnotationPIPName specifies the pip that will be applied to load balancer
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ServiceAnnotationPIPName = "service.beta.kubernetes.io/azure-pip-name"
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// ServiceAnnotationIPTagsForPublicIP specifies the iptags used when dynamically creating a public ip
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ServiceAnnotationIPTagsForPublicIP = "service.beta.kubernetes.io/azure-pip-ip-tags"
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// ServiceAnnotationAllowedServiceTag is the annotation used on the service
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// to specify a list of allowed service tags separated by comma
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// Refer https://docs.microsoft.com/en-us/azure/virtual-network/security-overview#service-tags for all supported service tags.
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@ -546,6 +550,7 @@ func (az *Cloud) ensurePublicIPExists(service *v1.Service, pipName string, domai
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pip.Location = to.StringPtr(az.Location)
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pip.PublicIPAddressPropertiesFormat = &network.PublicIPAddressPropertiesFormat{
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PublicIPAllocationMethod: network.Static,
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IPTags: getServiceIPTagRequestForPublicIP(service).IPTags,
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}
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pip.Tags = map[string]*string{
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serviceTagKey: &serviceName,
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@ -604,6 +609,93 @@ func (az *Cloud) ensurePublicIPExists(service *v1.Service, pipName string, domai
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return &pip, nil
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}
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type serviceIPTagRequest struct {
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IPTagsRequestedByAnnotation bool
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IPTags *[]network.IPTag
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}
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// Get the ip tag Request for the public ip from service annotations.
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func getServiceIPTagRequestForPublicIP(service *v1.Service) serviceIPTagRequest {
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if service != nil {
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if ipTagString, found := service.Annotations[ServiceAnnotationIPTagsForPublicIP]; found {
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return serviceIPTagRequest{
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IPTagsRequestedByAnnotation: true,
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IPTags: convertIPTagMapToSlice(getIPTagMap(ipTagString)),
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}
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}
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}
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return serviceIPTagRequest{
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IPTagsRequestedByAnnotation: false,
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IPTags: nil,
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}
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}
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func getIPTagMap(ipTagString string) map[string]string {
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outputMap := make(map[string]string)
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commaDelimitedPairs := strings.Split(strings.TrimSpace(ipTagString), ",")
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for _, commaDelimitedPair := range commaDelimitedPairs {
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splitKeyValue := strings.Split(commaDelimitedPair, "=")
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// Include only valid pairs in the return value
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// Last Write wins.
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if len(splitKeyValue) == 2 {
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tagKey := strings.TrimSpace(splitKeyValue[0])
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tagValue := strings.TrimSpace(splitKeyValue[1])
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outputMap[tagKey] = tagValue
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}
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}
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return outputMap
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}
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func sortIPTags(ipTags *[]network.IPTag) {
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if ipTags != nil {
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sort.Slice(*ipTags, func(i, j int) bool {
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ipTag := *ipTags
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return to.String(ipTag[i].IPTagType) < to.String(ipTag[j].IPTagType) ||
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to.String(ipTag[i].Tag) < to.String(ipTag[j].Tag)
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})
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}
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}
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func areIPTagsEquivalent(ipTags1 *[]network.IPTag, ipTags2 *[]network.IPTag) bool {
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sortIPTags(ipTags1)
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sortIPTags(ipTags2)
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if ipTags1 == nil {
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ipTags1 = &[]network.IPTag{}
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}
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if ipTags2 == nil {
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ipTags2 = &[]network.IPTag{}
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}
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return reflect.DeepEqual(ipTags1, ipTags2)
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}
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func convertIPTagMapToSlice(ipTagMap map[string]string) *[]network.IPTag {
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if ipTagMap == nil {
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return nil
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}
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if len(ipTagMap) == 0 {
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return &[]network.IPTag{}
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}
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outputTags := []network.IPTag{}
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for k, v := range ipTagMap {
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ipTag := network.IPTag{
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IPTagType: to.StringPtr(k),
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Tag: to.StringPtr(v),
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}
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outputTags = append(outputTags, ipTag)
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}
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return &outputTags
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}
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func getDomainNameLabel(pip *network.PublicIPAddress) string {
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if pip == nil || pip.PublicIPAddressPropertiesFormat == nil || pip.PublicIPAddressPropertiesFormat.DNSSettings == nil {
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return ""
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@ -1468,10 +1560,34 @@ func deduplicate(collection *[]string) *[]string {
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return &result
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}
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// Determine if we should release existing owned public IPs
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func shouldReleaseExistingOwnedPublicIP(existingPip *network.PublicIPAddress, lbShouldExist bool, lbIsInternal bool, desiredPipName string, ipTagRequest serviceIPTagRequest) bool {
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// Latch some variables for readability purposes.
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pipName := *(*existingPip).Name
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// Assume the current IP Tags are empty by default unless properties specify otherwise.
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currentIPTags := &[]network.IPTag{}
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pipPropertiesFormat := (*existingPip).PublicIPAddressPropertiesFormat
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if pipPropertiesFormat != nil {
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currentIPTags = (*pipPropertiesFormat).IPTags
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}
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// Release the ip under the following criteria -
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// #1 - If we don't actually want a load balancer,
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return !lbShouldExist ||
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// #2 - If the load balancer is internal, and thus doesn't require public exposure
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lbIsInternal ||
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// #3 - If the name of this public ip does not match the desired name,
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(pipName != desiredPipName) ||
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// #4 If the service annotations have specified the ip tags that the public ip must have, but they do not match the ip tags of the existing instance
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(ipTagRequest.IPTagsRequestedByAnnotation && !areIPTagsEquivalent(currentIPTags, ipTagRequest.IPTags))
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}
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// This reconciles the PublicIP resources similar to how the LB is reconciled.
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func (az *Cloud) reconcilePublicIP(clusterName string, service *v1.Service, lbName string, wantLb bool) (*network.PublicIPAddress, error) {
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isInternal := requiresInternalLoadBalancer(service)
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serviceName := getServiceName(service)
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serviceIPTagRequest := getServiceIPTagRequestForPublicIP(service)
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var lb *network.LoadBalancer
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var desiredPipName string
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var err error
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@ -1498,27 +1614,39 @@ func (az *Cloud) reconcilePublicIP(clusterName string, service *v1.Service, lbNa
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return nil, err
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}
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var found bool
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var serviceAnnotationRequestsNamedPublicIP bool = shouldPIPExisted
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var discoveredDesiredPublicIP bool
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var deletedDesiredPublicIP bool
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var pipsToBeDeleted []*network.PublicIPAddress
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for i := range pips {
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pip := pips[i]
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pipName := *pip.Name
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if serviceOwnsPublicIP(&pip, clusterName, serviceName) {
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// We need to process for pips belong to this service
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if wantLb && !isInternal && pipName == desiredPipName {
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// This is the only case we should preserve the
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// Public ip resource with match service tag
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found = true
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} else {
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pipsToBeDeleted = append(pipsToBeDeleted, &pip)
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}
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} else if wantLb && !isInternal && pipName == desiredPipName {
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found = true
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// If we've been told to use a specific public ip by the client, let's track whether or not it actually existed
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// when we inspect the set in Azure.
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discoveredDesiredPublicIP = discoveredDesiredPublicIP || wantLb && !isInternal && pipName == desiredPipName
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// Now, let's perform additional analysis to determine if we should release the public ips we have found.
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// We can only let them go if (a) they are owned by this service and (b) they meet the criteria for deletion.
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if serviceOwnsPublicIP(&pip, clusterName, serviceName) &&
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shouldReleaseExistingOwnedPublicIP(&pip, wantLb, isInternal, desiredPipName, serviceIPTagRequest) {
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// Then, release the public ip
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pipsToBeDeleted = append(pipsToBeDeleted, &pip)
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// Flag if we deleted the desired public ip
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deletedDesiredPublicIP = deletedDesiredPublicIP || pipName == desiredPipName
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// An aside: It would be unusual, but possible, for us to delete a public ip referred to explicitly by name
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// in Service annotations (which is usually reserved for non-service-owned externals), if that IP is tagged as
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// having been owned by a particular Kubernetes cluster.
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}
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}
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if !isInternal && shouldPIPExisted && !found && wantLb {
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if !isInternal && serviceAnnotationRequestsNamedPublicIP && !discoveredDesiredPublicIP && wantLb {
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return nil, fmt.Errorf("reconcilePublicIP for service(%s): pip(%s) not found", serviceName, desiredPipName)
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}
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var deleteFuncs []func() error
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for _, pip := range pipsToBeDeleted {
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pipCopy := *pip
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@ -1536,7 +1664,8 @@ func (az *Cloud) reconcilePublicIP(clusterName string, service *v1.Service, lbNa
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// Confirm desired public ip resource exists
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var pip *network.PublicIPAddress
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domainNameLabel, found := getPublicIPDomainNameLabel(service)
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if pip, err = az.ensurePublicIPExists(service, desiredPipName, domainNameLabel, clusterName, shouldPIPExisted, found); err != nil {
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errorIfPublicIPDoesNotExist := serviceAnnotationRequestsNamedPublicIP && discoveredDesiredPublicIP && !deletedDesiredPublicIP
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if pip, err = az.ensurePublicIPExists(service, desiredPipName, domainNameLabel, clusterName, errorIfPublicIPDoesNotExist, found); err != nil {
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return nil, err
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}
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return pip, nil
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@ -23,8 +23,10 @@ import (
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"fmt"
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"net/http"
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"reflect"
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"sort"
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"strconv"
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"strings"
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"sync"
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"testing"
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"time"
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@ -515,8 +517,8 @@ func TestServiceOwnsPublicIP(t *testing.T) {
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}
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for i, c := range tests {
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owns := serviceOwnsPublicIP(c.pip, c.clusterName, c.serviceName)
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assert.Equal(t, owns, c.expected, "TestCase[%d]: %s", i, c.desc)
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actual := serviceOwnsPublicIP(c.pip, c.clusterName, c.serviceName)
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assert.Equal(t, c.expected, actual, "TestCase[%d]: %s", i, c.desc)
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}
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}
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@ -554,6 +556,478 @@ func TestGetPublicIPAddressResourceGroup(t *testing.T) {
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}
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}
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func TestShouldReleaseExistingOwnedPublicIP(t *testing.T) {
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existingPipWithTag := network.PublicIPAddress{
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ID: to.StringPtr("/subscriptions/subscription/resourceGroups/rg/providers/Microsoft.Network/publicIPAddresses/testPIP"),
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Name: to.StringPtr("testPIP"),
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Tags: map[string]*string{"service": to.StringPtr("default/test1")},
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PublicIPAddressPropertiesFormat: &network.PublicIPAddressPropertiesFormat{
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PublicIPAddressVersion: network.IPv4,
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PublicIPAllocationMethod: network.Static,
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IPTags: &[]network.IPTag{
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{
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IPTagType: to.StringPtr("tag1"),
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Tag: to.StringPtr("tag1value"),
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},
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},
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},
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}
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existingPipWithNoPublicIPAddressFormatProperties := network.PublicIPAddress{
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ID: to.StringPtr("/subscriptions/subscription/resourceGroups/rg/providers/Microsoft.Network/publicIPAddresses/testPIP"),
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Name: to.StringPtr("testPIP"),
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Tags: map[string]*string{"service": to.StringPtr("default/test1")},
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PublicIPAddressPropertiesFormat: nil,
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}
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tests := []struct {
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desc string
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existingPip network.PublicIPAddress
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lbShouldExist bool
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lbIsInternal bool
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desiredPipName string
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ipTagRequest serviceIPTagRequest
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expectedShouldRelease bool
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}{
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{
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desc: "Everything matches, no release",
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existingPip: existingPipWithTag,
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lbShouldExist: true,
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lbIsInternal: false,
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desiredPipName: *existingPipWithTag.Name,
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ipTagRequest: serviceIPTagRequest{
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IPTagsRequestedByAnnotation: true,
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IPTags: existingPipWithTag.PublicIPAddressPropertiesFormat.IPTags,
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},
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expectedShouldRelease: false,
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},
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{
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desc: "nil tags (none-specified by annotation, some are present on object), no release",
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existingPip: existingPipWithTag,
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lbShouldExist: true,
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lbIsInternal: false,
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desiredPipName: *existingPipWithTag.Name,
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ipTagRequest: serviceIPTagRequest{
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IPTagsRequestedByAnnotation: false,
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IPTags: nil,
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},
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expectedShouldRelease: false,
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},
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{
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desc: "existing public ip with no format properties (unit test only?), tags required by annotation, no release",
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existingPip: existingPipWithNoPublicIPAddressFormatProperties,
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lbShouldExist: true,
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lbIsInternal: false,
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desiredPipName: *existingPipWithTag.Name,
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ipTagRequest: serviceIPTagRequest{
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IPTagsRequestedByAnnotation: true,
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IPTags: existingPipWithTag.PublicIPAddressPropertiesFormat.IPTags,
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},
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expectedShouldRelease: true,
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},
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{
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desc: "LB no longer desired, expect release",
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existingPip: existingPipWithTag,
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lbShouldExist: false,
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lbIsInternal: false,
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desiredPipName: *existingPipWithTag.Name,
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ipTagRequest: serviceIPTagRequest{
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IPTagsRequestedByAnnotation: true,
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IPTags: existingPipWithTag.PublicIPAddressPropertiesFormat.IPTags,
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},
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expectedShouldRelease: true,
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},
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{
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desc: "LB now internal, expect release",
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existingPip: existingPipWithTag,
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lbShouldExist: true,
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lbIsInternal: true,
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desiredPipName: *existingPipWithTag.Name,
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ipTagRequest: serviceIPTagRequest{
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IPTagsRequestedByAnnotation: true,
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IPTags: existingPipWithTag.PublicIPAddressPropertiesFormat.IPTags,
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},
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expectedShouldRelease: true,
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},
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{
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desc: "Alternate desired name, expect release",
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existingPip: existingPipWithTag,
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lbShouldExist: true,
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lbIsInternal: false,
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desiredPipName: "otherName",
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ipTagRequest: serviceIPTagRequest{
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IPTagsRequestedByAnnotation: true,
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IPTags: existingPipWithTag.PublicIPAddressPropertiesFormat.IPTags,
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},
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expectedShouldRelease: true,
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},
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{
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desc: "mismatching, expect release",
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existingPip: existingPipWithTag,
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lbShouldExist: true,
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lbIsInternal: false,
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desiredPipName: *existingPipWithTag.Name,
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ipTagRequest: serviceIPTagRequest{
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IPTagsRequestedByAnnotation: true,
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IPTags: &[]network.IPTag{
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{
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IPTagType: to.StringPtr("tag2"),
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Tag: to.StringPtr("tag2value"),
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},
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},
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},
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expectedShouldRelease: true,
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},
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}
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for i, c := range tests {
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actualShouldRelease := shouldReleaseExistingOwnedPublicIP(&c.existingPip, c.lbShouldExist, c.lbIsInternal, c.desiredPipName, c.ipTagRequest)
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assert.Equal(t, c.expectedShouldRelease, actualShouldRelease, "TestCase[%d]: %s", i, c.desc)
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}
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}
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func TestgetIPTagMap(t *testing.T) {
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tests := []struct {
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desc string
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input string
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expected map[string]string
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}{
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{
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desc: "empty map should be returned when service has blank annotations",
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input: "",
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expected: map[string]string{},
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},
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{
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desc: "a single tag should be returned when service has set one tag pair in the annotation",
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input: "tag1=tagvalue1",
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expected: map[string]string{
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"tag1": "tagvalue1",
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},
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},
|
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{
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desc: "a single tag should be returned when service has set one tag pair in the annotation (and spaces are trimmed)",
|
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input: " tag1 = tagvalue1 ",
|
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expected: map[string]string{
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"tag1": "tagvalue1",
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},
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},
|
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{
|
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desc: "a single tag should be returned when service has set two tag pairs in the annotation with the same key (last write wins - according to appearance order in the string)",
|
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input: "tag1=tagvalue1,tag1=tagvalue1new",
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expected: map[string]string{
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"tag1": "tagvalue1new",
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},
|
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},
|
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{
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desc: "two tags should be returned when service has set two tag pairs in the annotation",
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input: "tag1=tagvalue1,tag2=tagvalue2",
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expected: map[string]string{
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"tag1": "tagvalue1",
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"tag2": "tagvalue2",
|
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},
|
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},
|
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{
|
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desc: "two tags should be returned when service has set two tag pairs (and one malformation) in the annotation",
|
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input: "tag1=tagvalue1,tag2=tagvalue2,tag3malformed",
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expected: map[string]string{
|
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"tag1": "tagvalue1",
|
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"tag2": "tagvalue2",
|
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},
|
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},
|
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{
|
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// We may later decide not to support blank values. The Azure contract is not entirely clear here.
|
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desc: "two tags should be returned when service has set two tag pairs (and one has a blank value) in the annotation",
|
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input: "tag1=tagvalue1,tag2=",
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expected: map[string]string{
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"tag1": "tagvalue1",
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"tag2": "",
|
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},
|
||||
},
|
||||
{
|
||||
// We may later decide not to support blank keys. The Azure contract is not entirely clear here.
|
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desc: "two tags should be returned when service has set two tag pairs (and one has a blank key) in the annotation",
|
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input: "tag1=tagvalue1,=tag2value",
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expected: map[string]string{
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"tag1": "tagvalue1",
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"": "tag2value",
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},
|
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},
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}
|
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|
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for i, c := range tests {
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actual := getIPTagMap(c.input)
|
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assert.Equal(t, c.expected, actual, "TestCase[%d]: %s", i, c.desc)
|
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}
|
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}
|
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|
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func TestConvertIPTagMapToSlice(t *testing.T) {
|
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tests := []struct {
|
||||
desc string
|
||||
input map[string]string
|
||||
expected *[]network.IPTag
|
||||
}{
|
||||
{
|
||||
desc: "nil slice should be returned when the map is nil",
|
||||
input: nil,
|
||||
expected: nil,
|
||||
},
|
||||
{
|
||||
desc: "empty slice should be returned when the map is empty",
|
||||
input: map[string]string{},
|
||||
expected: &[]network.IPTag{},
|
||||
},
|
||||
{
|
||||
desc: "one tag should be returned when the map has one tag",
|
||||
input: map[string]string{
|
||||
"tag1": "tag1value",
|
||||
},
|
||||
expected: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "two tags should be returned when the map has two tags",
|
||||
input: map[string]string{
|
||||
"tag1": "tag1value",
|
||||
"tag2": "tag2value",
|
||||
},
|
||||
expected: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for i, c := range tests {
|
||||
actual := convertIPTagMapToSlice(c.input)
|
||||
|
||||
// Sort output to provide stability of return from map for test comparison
|
||||
// The order doesn't matter at runtime.
|
||||
if actual != nil {
|
||||
sort.Slice(*actual, func(i, j int) bool {
|
||||
ipTagSlice := *actual
|
||||
return to.String(ipTagSlice[i].IPTagType) < to.String(ipTagSlice[j].IPTagType)
|
||||
})
|
||||
}
|
||||
if c.expected != nil {
|
||||
sort.Slice(*c.expected, func(i, j int) bool {
|
||||
ipTagSlice := *c.expected
|
||||
return to.String(ipTagSlice[i].IPTagType) < to.String(ipTagSlice[j].IPTagType)
|
||||
})
|
||||
|
||||
}
|
||||
|
||||
assert.Equal(t, c.expected, actual, "TestCase[%d]: %s", i, c.desc)
|
||||
}
|
||||
}
|
||||
|
||||
func TestGetserviceIPTagRequestForPublicIP(t *testing.T) {
|
||||
tests := []struct {
|
||||
desc string
|
||||
input *v1.Service
|
||||
expected serviceIPTagRequest
|
||||
}{
|
||||
{
|
||||
desc: "Annotation should be false when service is absent",
|
||||
input: nil,
|
||||
expected: serviceIPTagRequest{
|
||||
IPTagsRequestedByAnnotation: false,
|
||||
IPTags: nil,
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "Annotation should be false when service is present, without annotation",
|
||||
input: &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Annotations: map[string]string{},
|
||||
},
|
||||
},
|
||||
expected: serviceIPTagRequest{
|
||||
IPTagsRequestedByAnnotation: false,
|
||||
IPTags: nil,
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "Annotation should be true, tags slice empty, when annotation blank",
|
||||
input: &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Annotations: map[string]string{
|
||||
ServiceAnnotationIPTagsForPublicIP: "",
|
||||
},
|
||||
},
|
||||
},
|
||||
expected: serviceIPTagRequest{
|
||||
IPTagsRequestedByAnnotation: true,
|
||||
IPTags: &[]network.IPTag{},
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "two tags should be returned when service has set two tag pairs (and one malformation) in the annotation",
|
||||
input: &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Annotations: map[string]string{
|
||||
ServiceAnnotationIPTagsForPublicIP: "tag1=tag1value,tag2=tag2value,tag3malformed",
|
||||
},
|
||||
},
|
||||
},
|
||||
expected: serviceIPTagRequest{
|
||||
IPTagsRequestedByAnnotation: true,
|
||||
IPTags: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
for i, c := range tests {
|
||||
actual := getServiceIPTagRequestForPublicIP(c.input)
|
||||
|
||||
// Sort output to provide stability of return from map for test comparison
|
||||
// The order doesn't matter at runtime.
|
||||
if actual.IPTags != nil {
|
||||
sort.Slice(*actual.IPTags, func(i, j int) bool {
|
||||
ipTagSlice := *actual.IPTags
|
||||
return to.String(ipTagSlice[i].IPTagType) < to.String(ipTagSlice[j].IPTagType)
|
||||
})
|
||||
}
|
||||
if c.expected.IPTags != nil {
|
||||
sort.Slice(*c.expected.IPTags, func(i, j int) bool {
|
||||
ipTagSlice := *c.expected.IPTags
|
||||
return to.String(ipTagSlice[i].IPTagType) < to.String(ipTagSlice[j].IPTagType)
|
||||
})
|
||||
|
||||
}
|
||||
|
||||
assert.Equal(t, actual, c.expected, "TestCase[%d]: %s", i, c.desc)
|
||||
}
|
||||
}
|
||||
|
||||
func TestAreIpTagsEquivalent(t *testing.T) {
|
||||
tests := []struct {
|
||||
desc string
|
||||
input1 *[]network.IPTag
|
||||
input2 *[]network.IPTag
|
||||
expected bool
|
||||
}{
|
||||
{
|
||||
desc: "nils should be considered equal",
|
||||
input1: nil,
|
||||
input2: nil,
|
||||
expected: true,
|
||||
},
|
||||
{
|
||||
desc: "nils should be considered to empty arrays (case 1)",
|
||||
input1: nil,
|
||||
input2: &[]network.IPTag{},
|
||||
expected: true,
|
||||
},
|
||||
{
|
||||
desc: "nils should be considered to empty arrays (case 1)",
|
||||
input1: &[]network.IPTag{},
|
||||
input2: nil,
|
||||
expected: true,
|
||||
},
|
||||
{
|
||||
desc: "nil should not be considered equal to anything (case 1)",
|
||||
input1: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
},
|
||||
input2: nil,
|
||||
expected: false,
|
||||
},
|
||||
{
|
||||
desc: "nil should not be considered equal to anything (case 2)",
|
||||
input2: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
},
|
||||
input1: nil,
|
||||
expected: false,
|
||||
},
|
||||
{
|
||||
desc: "exactly equal should be treated as equal",
|
||||
input1: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
},
|
||||
input2: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
},
|
||||
expected: true,
|
||||
},
|
||||
{
|
||||
desc: "equal but out of order should be treated as equal",
|
||||
input1: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
},
|
||||
input2: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag2"),
|
||||
Tag: to.StringPtr("tag2value"),
|
||||
},
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
},
|
||||
expected: true,
|
||||
},
|
||||
}
|
||||
for i, c := range tests {
|
||||
actual := areIPTagsEquivalent(c.input1, c.input2)
|
||||
assert.Equal(t, actual, c.expected, "TestCase[%d]: %s", i, c.desc)
|
||||
}
|
||||
}
|
||||
|
||||
func TestGetServiceTags(t *testing.T) {
|
||||
tests := []struct {
|
||||
desc string
|
||||
@ -2035,17 +2509,19 @@ func TestReconcilePublicIP(t *testing.T) {
|
||||
defer ctrl.Finish()
|
||||
|
||||
testCases := []struct {
|
||||
desc string
|
||||
wantLb bool
|
||||
annotations map[string]string
|
||||
existingPIPs []network.PublicIPAddress
|
||||
expectedID string
|
||||
expectedPIP *network.PublicIPAddress
|
||||
expectedError bool
|
||||
desc string
|
||||
wantLb bool
|
||||
annotations map[string]string
|
||||
existingPIPs []network.PublicIPAddress
|
||||
expectedID string
|
||||
expectedPIP *network.PublicIPAddress
|
||||
expectedError bool
|
||||
expectedCreateOrUpdateCount int
|
||||
}{
|
||||
{
|
||||
desc: "reconcilePublicIP shall return nil if there's no pip in service",
|
||||
wantLb: false,
|
||||
desc: "reconcilePublicIP shall return nil if there's no pip in service",
|
||||
wantLb: false,
|
||||
expectedCreateOrUpdateCount: 0,
|
||||
},
|
||||
{
|
||||
desc: "reconcilePublicIP shall return nil if no pip is owned by service",
|
||||
@ -2055,6 +2531,7 @@ func TestReconcilePublicIP(t *testing.T) {
|
||||
Name: to.StringPtr("pip1"),
|
||||
},
|
||||
},
|
||||
expectedCreateOrUpdateCount: 0,
|
||||
},
|
||||
{
|
||||
desc: "reconcilePublicIP shall delete unwanted pips and create a new one",
|
||||
@ -2067,6 +2544,7 @@ func TestReconcilePublicIP(t *testing.T) {
|
||||
},
|
||||
expectedID: "/subscriptions/subscription/resourceGroups/rg/providers/" +
|
||||
"Microsoft.Network/publicIPAddresses/testCluster-atest1",
|
||||
expectedCreateOrUpdateCount: 1,
|
||||
},
|
||||
{
|
||||
desc: "reconcilePublicIP shall report error if the given PIP name doesn't exist in the resource group",
|
||||
@ -2082,7 +2560,8 @@ func TestReconcilePublicIP(t *testing.T) {
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
},
|
||||
},
|
||||
expectedError: true,
|
||||
expectedError: true,
|
||||
expectedCreateOrUpdateCount: 0,
|
||||
},
|
||||
{
|
||||
desc: "reconcilePublicIP shall delete unwanted PIP when given the name of desired PIP",
|
||||
@ -2107,6 +2586,85 @@ func TestReconcilePublicIP(t *testing.T) {
|
||||
Name: to.StringPtr("testPIP"),
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
},
|
||||
expectedCreateOrUpdateCount: 0,
|
||||
},
|
||||
{
|
||||
desc: "reconcilePublicIP shall delete unwanted pips and existing pips, when the existing pips IP tags do not match",
|
||||
wantLb: true,
|
||||
annotations: map[string]string{
|
||||
ServiceAnnotationPIPName: "testPIP",
|
||||
ServiceAnnotationIPTagsForPublicIP: "tag1=tag1value",
|
||||
},
|
||||
existingPIPs: []network.PublicIPAddress{
|
||||
{
|
||||
Name: to.StringPtr("pip1"),
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
},
|
||||
{
|
||||
Name: to.StringPtr("pip2"),
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
},
|
||||
{
|
||||
Name: to.StringPtr("testPIP"),
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
},
|
||||
},
|
||||
expectedPIP: &network.PublicIPAddress{
|
||||
ID: to.StringPtr("/subscriptions/subscription/resourceGroups/rg/providers/Microsoft.Network/publicIPAddresses/testPIP"),
|
||||
Name: to.StringPtr("testPIP"),
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
PublicIPAddressPropertiesFormat: &network.PublicIPAddressPropertiesFormat{
|
||||
PublicIPAddressVersion: network.IPv4,
|
||||
PublicIPAllocationMethod: network.Static,
|
||||
IPTags: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
expectedCreateOrUpdateCount: 1,
|
||||
},
|
||||
{
|
||||
desc: "reconcilePublicIP shall preserve existing pips, when the existing pips IP tags do match",
|
||||
wantLb: true,
|
||||
annotations: map[string]string{
|
||||
ServiceAnnotationPIPName: "testPIP",
|
||||
ServiceAnnotationIPTagsForPublicIP: "tag1=tag1value",
|
||||
},
|
||||
existingPIPs: []network.PublicIPAddress{
|
||||
{
|
||||
Name: to.StringPtr("testPIP"),
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
PublicIPAddressPropertiesFormat: &network.PublicIPAddressPropertiesFormat{
|
||||
PublicIPAddressVersion: network.IPv4,
|
||||
PublicIPAllocationMethod: network.Static,
|
||||
IPTags: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
expectedPIP: &network.PublicIPAddress{
|
||||
ID: to.StringPtr("/subscriptions/subscription/resourceGroups/rg/providers/Microsoft.Network/publicIPAddresses/testPIP"),
|
||||
Name: to.StringPtr("testPIP"),
|
||||
Tags: map[string]*string{"service": to.StringPtr("default/test1")},
|
||||
PublicIPAddressPropertiesFormat: &network.PublicIPAddressPropertiesFormat{
|
||||
PublicIPAddressVersion: network.IPv4,
|
||||
PublicIPAllocationMethod: network.Static,
|
||||
IPTags: &[]network.IPTag{
|
||||
{
|
||||
IPTagType: to.StringPtr("tag1"),
|
||||
Tag: to.StringPtr("tag1value"),
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
expectedCreateOrUpdateCount: 0,
|
||||
},
|
||||
{
|
||||
desc: "reconcilePublicIP shall find the PIP by given name and shall not delete the PIP which is not owned by service",
|
||||
@ -2128,13 +2686,27 @@ func TestReconcilePublicIP(t *testing.T) {
|
||||
ID: to.StringPtr("/subscriptions/subscription/resourceGroups/rg/providers/Microsoft.Network/publicIPAddresses/testPIP"),
|
||||
Name: to.StringPtr("testPIP"),
|
||||
},
|
||||
expectedCreateOrUpdateCount: 0,
|
||||
},
|
||||
}
|
||||
|
||||
for i, test := range testCases {
|
||||
deletedPips := make(map[string]bool)
|
||||
savedPips := make(map[string]network.PublicIPAddress)
|
||||
createOrUpdateCount := 0
|
||||
var m sync.Mutex
|
||||
az := GetTestCloud(ctrl)
|
||||
mockPIPsClient := az.PublicIPAddressesClient.(*mockpublicipclient.MockInterface)
|
||||
mockPIPsClient.EXPECT().CreateOrUpdate(gomock.Any(), "rg", gomock.Any(), gomock.Any()).Return(nil).AnyTimes()
|
||||
creator := mockPIPsClient.EXPECT().CreateOrUpdate(gomock.Any(), "rg", gomock.Any(), gomock.Any()).AnyTimes()
|
||||
creator.DoAndReturn(func(ctx context.Context, resourceGroupName string, publicIPAddressName string, parameters network.PublicIPAddress) *retry.Error {
|
||||
m.Lock()
|
||||
deletedPips[publicIPAddressName] = false
|
||||
savedPips[publicIPAddressName] = parameters
|
||||
createOrUpdateCount++
|
||||
m.Unlock()
|
||||
return nil
|
||||
})
|
||||
|
||||
mockPIPsClient.EXPECT().List(gomock.Any(), "rg").Return(test.existingPIPs, nil).AnyTimes()
|
||||
if i == 2 {
|
||||
mockPIPsClient.EXPECT().Get(gomock.Any(), "rg", "testCluster-atest1", gomock.Any()).Return(network.PublicIPAddress{}, &retry.Error{HTTPStatusCode: http.StatusNotFound}).Times(1)
|
||||
@ -2143,19 +2715,58 @@ func TestReconcilePublicIP(t *testing.T) {
|
||||
service := getTestService("test1", v1.ProtocolTCP, nil, false, 80)
|
||||
service.Annotations = test.annotations
|
||||
for _, pip := range test.existingPIPs {
|
||||
mockPIPsClient.EXPECT().Get(gomock.Any(), "rg", *pip.Name, gomock.Any()).Return(pip, nil).AnyTimes()
|
||||
mockPIPsClient.EXPECT().Delete(gomock.Any(), "rg", *pip.Name).Return(nil).AnyTimes()
|
||||
savedPips[*pip.Name] = pip
|
||||
getter := mockPIPsClient.EXPECT().Get(gomock.Any(), "rg", *pip.Name, gomock.Any()).AnyTimes()
|
||||
getter.DoAndReturn(func(ctx context.Context, resourceGroupName string, publicIPAddressName string, expand string) (result network.PublicIPAddress, rerr *retry.Error) {
|
||||
m.Lock()
|
||||
deletedValue, deletedContains := deletedPips[publicIPAddressName]
|
||||
savedPipValue, savedPipContains := savedPips[publicIPAddressName]
|
||||
m.Unlock()
|
||||
|
||||
if (!deletedContains || !deletedValue) && savedPipContains {
|
||||
return savedPipValue, nil
|
||||
}
|
||||
|
||||
return network.PublicIPAddress{}, &retry.Error{HTTPStatusCode: http.StatusNotFound}
|
||||
|
||||
})
|
||||
deleter := mockPIPsClient.EXPECT().Delete(gomock.Any(), "rg", *pip.Name).Return(nil).AnyTimes()
|
||||
deleter.Do(func(ctx context.Context, resourceGroupName string, publicIPAddressName string) *retry.Error {
|
||||
m.Lock()
|
||||
deletedPips[publicIPAddressName] = true
|
||||
m.Unlock()
|
||||
return nil
|
||||
})
|
||||
|
||||
err := az.PublicIPAddressesClient.CreateOrUpdate(context.TODO(), "rg", to.String(pip.Name), pip)
|
||||
if err != nil {
|
||||
t.Fatalf("TestCase[%d] meets unexpected error: %v", i, err)
|
||||
}
|
||||
|
||||
// Clear create or update count to prepare for main execution
|
||||
createOrUpdateCount = 0
|
||||
}
|
||||
pip, err := az.reconcilePublicIP("testCluster", &service, "", test.wantLb)
|
||||
if !test.expectedError {
|
||||
assert.Equal(t, nil, err, "TestCase[%d]: %s", i, test.desc)
|
||||
}
|
||||
if test.expectedID != "" {
|
||||
assert.Equal(t, test.expectedID, to.String(pip.ID), "TestCase[%d]: %s", i, test.desc)
|
||||
} else if test.expectedPIP != nil && test.expectedPIP.Name != nil {
|
||||
assert.Equal(t, *test.expectedPIP.Name, *pip.Name, "TestCase[%d]: %s", i, test.desc)
|
||||
|
||||
if test.expectedPIP.PublicIPAddressPropertiesFormat != nil {
|
||||
sortIPTags(test.expectedPIP.PublicIPAddressPropertiesFormat.IPTags)
|
||||
}
|
||||
|
||||
if pip.PublicIPAddressPropertiesFormat != nil {
|
||||
sortIPTags(pip.PublicIPAddressPropertiesFormat.IPTags)
|
||||
}
|
||||
|
||||
assert.Equal(t, test.expectedPIP.PublicIPAddressPropertiesFormat, pip.PublicIPAddressPropertiesFormat, "TestCase[%d]: %s", i, test.desc)
|
||||
|
||||
}
|
||||
assert.Equal(t, test.expectedCreateOrUpdateCount, createOrUpdateCount, "TestCase[%d]: %s", i, test.desc)
|
||||
assert.Equal(t, test.expectedError, err != nil, "TestCase[%d]: %s", i, test.desc)
|
||||
}
|
||||
}
|
||||
@ -2169,6 +2780,7 @@ func TestEnsurePublicIPExists(t *testing.T) {
|
||||
existingPIPs []network.PublicIPAddress
|
||||
inputDNSLabel string
|
||||
foundDNSLabelAnnotation bool
|
||||
additionalAnnotations map[string]string
|
||||
expectedPIP *network.PublicIPAddress
|
||||
expectedID string
|
||||
isIPv6 bool
|
||||
@ -2287,6 +2899,7 @@ func TestEnsurePublicIPExists(t *testing.T) {
|
||||
for i, test := range testCases {
|
||||
az := GetTestCloud(ctrl)
|
||||
service := getTestService("test1", v1.ProtocolTCP, nil, test.isIPv6, 80)
|
||||
service.ObjectMeta.Annotations = test.additionalAnnotations
|
||||
mockPIPsClient := az.PublicIPAddressesClient.(*mockpublicipclient.MockInterface)
|
||||
mockPIPsClient.EXPECT().CreateOrUpdate(gomock.Any(), "rg", gomock.Any(), gomock.Any()).Return(nil).AnyTimes()
|
||||
mockPIPsClient.EXPECT().Get(gomock.Any(), "rg", "pip1", gomock.Any()).DoAndReturn(func(ctx context.Context, resourceGroupName string, publicIPAddressName string, expand string) (network.PublicIPAddress, *retry.Error) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user