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k8s Ingress: fix crash on rules with nil http

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This commit is contained in:
Gary Kramlich 2020-01-07 09:26:08 -06:00 • committed by Traefiker Bot
parent 49356cadd4
commit bd676922c3
3 changed files with 56 additions and 32 deletions
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68
pkg/provider/kubernetes/ingress/kubernetes.go
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@ -313,53 +313,57 @@ func (p *Provider) loadConfigurationFromIngresses(ctx context.Context, client Cl
conf.HTTP.Services["default-backend"] = service
}
}
for _, rule := range ingress.Spec.Rules {
if err := checkStringQuoteValidity(rule.Host); err != nil {
log.FromContext(ctx).Errorf("Invalid syntax for host: %s", rule.Host)
continue
}
for _, p := range rule.HTTP.Paths {
service, err := loadService(client, ingress.Namespace, p.Backend)
if err != nil {
log.FromContext(ctx).
WithField("serviceName", p.Backend.ServiceName).
WithField("servicePort", p.Backend.ServicePort.String()).
Errorf("Cannot create service: %v", err)
continue
}
if rule.HTTP != nil {
for _, p := range rule.HTTP.Paths {
service, err := loadService(client, ingress.Namespace, p.Backend)
if err != nil {
log.FromContext(ctx).
WithField("serviceName", p.Backend.ServiceName).
WithField("servicePort", p.Backend.ServicePort.String()).
Errorf("Cannot create service: %v", err)
continue
}
if err = checkStringQuoteValidity(p.Path); err != nil {
log.FromContext(ctx).Errorf("Invalid syntax for path: %s", p.Path)
continue
}
if err = checkStringQuoteValidity(p.Path); err != nil {
log.FromContext(ctx).Errorf("Invalid syntax for path: %s", p.Path)
continue
}
serviceName := provider.Normalize(ingress.Namespace + "-" + p.Backend.ServiceName + "-" + p.Backend.ServicePort.String())
var rules []string
if len(rule.Host) > 0 {
rules = []string{"Host(`" + rule.Host + "`)"}
}
serviceName := provider.Normalize(ingress.Namespace + "-" + p.Backend.ServiceName + "-" + p.Backend.ServicePort.String())
var rules []string
if len(rule.Host) > 0 {
rules = []string{"Host(`" + rule.Host + "`)"}
}
if len(p.Path) > 0 {
rules = append(rules, "PathPrefix(`"+p.Path+"`)")
}
if len(p.Path) > 0 {
rules = append(rules, "PathPrefix(`"+p.Path+"`)")
}
routerKey := strings.TrimPrefix(provider.Normalize(rule.Host+p.Path), "-")
conf.HTTP.Routers[routerKey] = &dynamic.Router{
Rule: strings.Join(rules, " && "),
Service: serviceName,
}
if len(ingress.Spec.TLS) > 0 {
// TLS enabled for this ingress, add TLS router
conf.HTTP.Routers[routerKey+"-tls"] = &dynamic.Router{
routerKey := strings.TrimPrefix(provider.Normalize(rule.Host+p.Path), "-")
conf.HTTP.Routers[routerKey] = &dynamic.Router{
Rule: strings.Join(rules, " && "),
Service: serviceName,
TLS: &dynamic.RouterTLSConfig{},
}
if len(ingress.Spec.TLS) > 0 {
// TLS enabled for this ingress, add TLS router
conf.HTTP.Routers[routerKey+"-tls"] = &dynamic.Router{
Rule: strings.Join(rules, " && "),
Service: serviceName,
TLS: &dynamic.RouterTLSConfig{},
}
}
conf.HTTP.Services[serviceName] = service
}
conf.HTTP.Services[serviceName] = service
}
err := p.updateIngressStatus(ingress, client)
if err != nil {
log.FromContext(ctx).Errorf("Error while updating ingress status: %v", err)