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load kernel modules required by IPVS in kubeadm

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This commit is contained in:
stewart-yu
2018-05-21 09:42:10 +08:00
parent b87105aebd
commit 2f7941dd08
6 changed files with 284 additions and 0 deletions
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1
cmd/kubeadm/.import-restrictions
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@@ -140,6 +140,7 @@
"k8s.io/kubernetes/pkg/util/slice",
"k8s.io/kubernetes/pkg/util/taints",
"k8s.io/kubernetes/pkg/util/version",
"k8s.io/kubernetes/pkg/util/ipvs",
"k8s.io/kubernetes/pkg/version",
"k8s.io/kubernetes/pkg/volume",
"k8s.io/kubernetes/pkg/volume/util"

9
cmd/kubeadm/app/preflight/checks.go
View File

@@ -50,6 +50,7 @@ import (
authzmodes "k8s.io/kubernetes/pkg/kubeapiserver/authorizer/modes"
"k8s.io/kubernetes/pkg/registry/core/service/ipallocator"
"k8s.io/kubernetes/pkg/util/initsystem"
ipvsutil "k8s.io/kubernetes/pkg/util/ipvs"
"k8s.io/kubernetes/pkg/util/procfs"
versionutil "k8s.io/kubernetes/pkg/util/version"
kubeadmversion "k8s.io/kubernetes/pkg/version"
@@ -867,6 +868,13 @@ func RunInitMasterChecks(execer utilsexec.Interface, cfg *kubeadmapi.MasterConfi
}
checks = addCommonChecks(execer, cfg, checks)
// Check ipvs required kernel module once we use ipvs kube-proxy mode
if cfg.KubeProxy.Config.Mode == ipvsutil.IPVSProxyMode {
checks = append(checks,
ipvsutil.RequiredIPVSKernelModulesAvailableCheck{Executor: execer},
)
}
if len(cfg.Etcd.Endpoints) == 0 {
// Only do etcd related checks when no external endpoints were specified
checks = append(checks,
@@ -922,6 +930,7 @@ func RunJoinNodeChecks(execer utilsexec.Interface, cfg *kubeadmapi.NodeConfigura
FileAvailableCheck{Path: cfg.CACertPath},
FileAvailableCheck{Path: filepath.Join(kubeadmconstants.KubernetesDir, kubeadmconstants.KubeletKubeConfigFileName)},
FileAvailableCheck{Path: filepath.Join(kubeadmconstants.KubernetesDir, kubeadmconstants.KubeletBootstrapKubeConfigFileName)},
ipvsutil.RequiredIPVSKernelModulesAvailableCheck{Executor: execer},
}
checks = addCommonChecks(execer, cfg, checks)