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route controller + azure v6 routes

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This commit is contained in:
Khaled Henidak(Kal)
2019-06-11 18:00:37 +00:00
parent 584d7103e2
commit a51b8ce456
14 changed files with 554 additions and 74 deletions
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28
cmd/kube-controller-manager/app/core.go
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@@ -194,11 +194,33 @@ func startRouteController(ctx ControllerContext) (http.Handler, bool, error) {
klog.Warning("configure-cloud-routes is set, but cloud provider does not support routes. Will not configure cloud provider routes.")
return nil, false, nil
}
_, clusterCIDR, err := net.ParseCIDR(ctx.ComponentConfig.KubeCloudShared.ClusterCIDR)
// failure: bad cidrs in config
clusterCIDRs, dualStack, err := processCIDRs(ctx.ComponentConfig.KubeCloudShared.ClusterCIDR)
if err != nil {
klog.Warningf("Unsuccessful parsing of cluster CIDR %v: %v", ctx.ComponentConfig.KubeCloudShared.ClusterCIDR, err)
return nil, false, err
}
routeController := routecontroller.New(routes, ctx.ClientBuilder.ClientOrDie("route-controller"), ctx.InformerFactory.Core().V1().Nodes(), ctx.ComponentConfig.KubeCloudShared.ClusterName, clusterCIDR)
// failure: more than one cidr and dual stack is not enabled
if len(clusterCIDRs) > 1 && !utilfeature.DefaultFeatureGate.Enabled(kubefeatures.IPv6DualStack) {
return nil, false, fmt.Errorf("len of ClusterCIDRs==%v and dualstack feature is not enabled", len(clusterCIDRs))
}
// failure: more than one cidr but they are not configured as dual stack
if len(clusterCIDRs) > 1 && !dualStack {
return nil, false, fmt.Errorf("len of ClusterCIDRs==%v and they are not configured as dual stack (at least one from each IPFamily", len(clusterCIDRs))
}
// failure: more than cidrs is not allowed even with dual stack
if len(clusterCIDRs) > 2 {
return nil, false, fmt.Errorf("length of clusterCIDRs is:%v more than max allowed of 2", len(clusterCIDRs))
}
routeController := routecontroller.New(routes,
ctx.ClientBuilder.ClientOrDie("route-controller"),
ctx.InformerFactory.Core().V1().Nodes(),
ctx.ComponentConfig.KubeCloudShared.ClusterName,
clusterCIDRs)
go routeController.Run(ctx.Stop, ctx.ComponentConfig.KubeCloudShared.RouteReconciliationPeriod.Duration)
return nil, true, nil
}