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detector.go
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detector.go
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package expose_service
import (
"context"
"fmt"
"github.com/armory/spinnaker-operator/pkg/apis/spinnaker/interfaces"
"github.com/armory/spinnaker-operator/pkg/deploy/spindeploy/changedetector"
"github.com/armory/spinnaker-operator/pkg/util"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/tools/record"
"reflect"
"sigs.k8s.io/controller-runtime/pkg/client"
)
type changeDetector struct {
client client.Client
log logr.Logger
evtRecorder record.EventRecorder
scheme *runtime.Scheme
}
type ChangeDetectorGenerator struct{}
func (g *ChangeDetectorGenerator) NewChangeDetector(client client.Client, log logr.Logger, evtRecorder record.EventRecorder, scheme *runtime.Scheme) (changedetector.ChangeDetector, error) {
return &changeDetector{client: client, log: log, evtRecorder: evtRecorder, scheme: scheme}, nil
}
func applies(svc interfaces.SpinnakerService) bool {
return svc.GetExposeConfig() != nil && svc.GetExposeConfig().Type == "service"
}
// IsSpinnakerUpToDate returns true if expose spinnaker configuration matches actual exposed services
func (ch *changeDetector) IsSpinnakerUpToDate(ctx context.Context, svc interfaces.SpinnakerService) (bool, error) {
if !applies(svc) {
return true, nil
}
isDeckSSLEnabled, err := svc.GetSpinnakerConfig().GetHalConfigPropBool(util.DeckSSLEnabledProp, false)
if err != nil {
isDeckSSLEnabled = false
}
upToDateDeck, err := ch.isExposeServiceUpToDate(ctx, svc, util.DeckServiceName, isDeckSSLEnabled)
if !upToDateDeck || err != nil {
return false, err
}
isGateSSLEnabled, err := svc.GetSpinnakerConfig().GetHalConfigPropBool(util.GateSSLEnabledProp, false)
if err != nil {
isGateSSLEnabled = false
}
upToDateGate, err := ch.isExposeServiceUpToDate(ctx, svc, util.GateServiceName, isGateSSLEnabled)
if !upToDateGate || err != nil {
return false, err
}
return true, nil
}
func (ch *changeDetector) AlwaysRun() bool {
return false
}
func (ch *changeDetector) isExposeServiceUpToDate(ctx context.Context, spinSvc interfaces.SpinnakerService, serviceName string, hcSSLEnabled bool) (bool, error) {
rLogger := ch.log.WithValues("Service", spinSvc.GetName())
ns := spinSvc.GetNamespace()
svc, err := util.GetService(serviceName, ns, ch.client)
if err != nil {
return false, err
}
// we need a service to exist, therefore it's not "up to date"
if svc == nil {
return false, nil
}
// service type is different, redeploy
if upToDate, err := ch.exposeServiceTypeUpToDate(serviceName, spinSvc, svc); !upToDate || err != nil {
return false, err
}
// port is different, redeploy
if upToDate, err := ch.exposePortUpToDate(ctx, serviceName, spinSvc, svc); !upToDate || err != nil {
return false, err
}
// annotations are different, redeploy
simpleServiceName := serviceName[len("spin-"):]
exp := spinSvc.GetExposeConfig()
expectedAnnotations := exp.GetAggregatedAnnotations(simpleServiceName)
if !ch.areAnnotationsEqual(svc.Annotations, expectedAnnotations) {
rLogger.Info(fmt.Sprintf("Service annotations for %s: expected: %s, actual: %s", serviceName,
expectedAnnotations, svc.Annotations))
return false, nil
}
// status url is available but not set yet, redeploy
st := spinSvc.GetStatus()
statusUrl := st.APIUrl
if serviceName == "spin-deck" {
statusUrl = st.UIUrl
}
if statusUrl == "" {
lbUrl, err := util.FindLoadBalancerUrl(serviceName, ns, ch.client, hcSSLEnabled)
if err != nil {
return false, err
}
if lbUrl != "" {
rLogger.Info(fmt.Sprintf("Status url of %s is not set and load balancer url is ready", serviceName))
return false, nil
}
}
return true, nil
}
func (ch *changeDetector) exposeServiceTypeUpToDate(serviceName string, spinSvc interfaces.SpinnakerService, svc *corev1.Service) (bool, error) {
rLogger := ch.log.WithValues("Service", spinSvc.GetName())
formattedServiceName := serviceName[len("spin-"):]
exp := spinSvc.GetExposeConfig()
if c, ok := exp.Service.Overrides[formattedServiceName]; ok && c.Type != "" {
if string(svc.Spec.Type) != c.Type {
rLogger.Info(fmt.Sprintf("Service type for %s: expected: %s, actual: %s", serviceName,
c.Type, string(svc.Spec.Type)))
return false, nil
}
} else {
if string(svc.Spec.Type) != exp.Service.Type {
rLogger.Info(fmt.Sprintf("Service type for %s: expected: %s, actual: %s", serviceName,
exp.Service.Type, string(svc.Spec.Type)))
return false, nil
}
}
return true, nil
}
func (ch *changeDetector) exposePortUpToDate(ctx context.Context, serviceName string, spinSvc interfaces.SpinnakerService, svc *corev1.Service) (bool, error) {
rLogger := ch.log.WithValues("Service", spinSvc.GetName())
if len(svc.Spec.Ports) < 1 {
rLogger.Info(fmt.Sprintf("No exposed port for %s found", serviceName))
return false, nil
}
svcNameWithoutPrefix := serviceName[len("spin-"):]
portName := fmt.Sprintf("%s-tcp", svcNameWithoutPrefix)
publicPort, _ := ch.getSvcPorts(portName, svc)
desiredPort := util.GetDesiredExposePort(ctx, svcNameWithoutPrefix, int32(80), spinSvc)
if desiredPort != publicPort {
rLogger.Info(fmt.Sprintf("Service port for %s: expected: %d, actual: %d", serviceName,
desiredPort, publicPort))
return false, nil
}
return true, nil
}
func (ch *changeDetector) getSvcPorts(portName string, svc *corev1.Service) (int32, int32) {
for _, p := range svc.Spec.Ports {
if p.Name == portName {
return p.Port, p.TargetPort.IntVal
}
}
return 0, 0
}
func (ch *changeDetector) areAnnotationsEqual(first map[string]string, other map[string]string) bool {
if len(first) != len(other) {
return false
}
if first == nil || other == nil {
return true
}
return reflect.DeepEqual(first, other)
}