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Implement extra-config for kubeadm kubelet
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| package kubeadm | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "k8s.io/minikube/pkg/minikube/bootstrapper" | ||
| "k8s.io/minikube/pkg/util" | ||
| ) | ||
|
|
||
| func TestGenerateConfig(t *testing.T) { | ||
| tests := []struct { | ||
| description string | ||
| cfg bootstrapper.KubernetesConfig | ||
| expectedCfg string | ||
| shouldErr bool | ||
| }{ | ||
| { | ||
| description: "no extra args", | ||
| cfg: bootstrapper.KubernetesConfig{ | ||
| NodeIP: "192.168.1.100", | ||
| KubernetesVersion: "v1.8.0", | ||
| NodeName: "minikube", | ||
| }, | ||
| expectedCfg: `apiVersion: kubeadm.k8s.io/v1alpha1 | ||
| kind: MasterConfiguration | ||
| api: | ||
| advertiseAddress: 192.168.1.100 | ||
| bindPort: 8443 | ||
| kubernetesVersion: v1.8.0 | ||
| certificatesDir: /var/lib/localkube/certs/ | ||
| networking: | ||
| serviceSubnet: 10.0.0.0/24 | ||
| etcd: | ||
| dataDir: /data | ||
| nodeName: minikube | ||
| `, | ||
| }, | ||
| { | ||
| description: "extra args all components", | ||
| cfg: bootstrapper.KubernetesConfig{ | ||
| NodeIP: "192.168.1.101", | ||
| KubernetesVersion: "v1.8.0-alpha.0", | ||
| NodeName: "extra-args-minikube", | ||
| ExtraOptions: util.ExtraOptionSlice{ | ||
| util.ExtraOption{ | ||
| Component: Apiserver, | ||
| Key: "fail-no-swap", | ||
| Value: "true", | ||
| }, | ||
| util.ExtraOption{ | ||
| Component: ControllerManager, | ||
| Key: "kube-api-burst", | ||
| Value: "32", | ||
| }, | ||
| util.ExtraOption{ | ||
| Component: Scheduler, | ||
| Key: "scheduler-name", | ||
| Value: "mini-scheduler", | ||
| }, | ||
| }, | ||
| }, | ||
| expectedCfg: `apiVersion: kubeadm.k8s.io/v1alpha1 | ||
| kind: MasterConfiguration | ||
| api: | ||
| advertiseAddress: 192.168.1.101 | ||
| bindPort: 8443 | ||
| kubernetesVersion: v1.8.0-alpha.0 | ||
| certificatesDir: /var/lib/localkube/certs/ | ||
| networking: | ||
| serviceSubnet: 10.0.0.0/24 | ||
| etcd: | ||
| dataDir: /data | ||
| nodeName: extra-args-minikube | ||
| apiServerExtraArgs: | ||
| fail-no-swap: true | ||
| controllerManagerExtraArgs: | ||
| kube-api-burst: 32 | ||
| schedulerExtraArgs: | ||
| scheduler-name: mini-scheduler | ||
| `, | ||
| }, | ||
| { | ||
| // Unknown components should fail silently | ||
| description: "unknown component", | ||
| cfg: bootstrapper.KubernetesConfig{ | ||
| NodeIP: "192.168.1.101", | ||
| KubernetesVersion: "v1.8.0-alpha.0", | ||
| NodeName: "extra-args-minikube", | ||
| ExtraOptions: util.ExtraOptionSlice{ | ||
| util.ExtraOption{ | ||
| Component: "not-a-real-component", | ||
| Key: "killswitch", | ||
| Value: "true", | ||
| }, | ||
| }, | ||
| }, | ||
| shouldErr: true, | ||
| }, | ||
| } | ||
|
|
||
| for _, test := range tests { | ||
| t.Run(test.description, func(t *testing.T) { | ||
| actualCfg, err := generateConfig(test.cfg) | ||
| if err != nil && !test.shouldErr { | ||
| t.Errorf("got unexpected error generating config: %s", err) | ||
| return | ||
| } | ||
| if err == nil && test.shouldErr { | ||
| t.Errorf("expected error but got none, config: %s", actualCfg) | ||
| return | ||
| } | ||
| if actualCfg != test.expectedCfg { | ||
| t.Errorf("actual config does not match expected. actual:\n%sexpected:\n%s", actualCfg, test.expectedCfg) | ||
| return | ||
| } | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package kubeadm | ||
|
|
||
| import "html/template" | ||
|
|
||
| var kubeadmConfigTemplate = template.Must(template.New("kubeadmConfigTemplate").Parse(`apiVersion: kubeadm.k8s.io/v1alpha1 | ||
| kind: MasterConfiguration | ||
| api: | ||
| advertiseAddress: {{.AdvertiseAddress}} | ||
| bindPort: {{.APIServerPort}} | ||
| kubernetesVersion: {{.KubernetesVersion}} | ||
| certificatesDir: {{.CertDir}} | ||
| networking: | ||
| serviceSubnet: {{.ServiceCIDR}} | ||
| etcd: | ||
| dataDir: {{.EtcdDataDir}} | ||
| nodeName: {{.NodeName}} | ||
| {{range .ExtraArgs}}{{.Component}}:{{range $key, $value := .Options}} | ||
| {{$key}}: {{$value}} | ||
| {{end}}{{end}}`)) | ||
|
|
||
| var kubeletSystemdTemplate = template.Must(template.New("kubeletSystemdTemplate").Parse(` | ||
| [Service] | ||
| Environment="KUBELET_KUBECONFIG_ARGS=--kubeconfig=/etc/kubernetes/kubelet.conf --require-kubeconfig=true" | ||
| Environment="KUBELET_SYSTEM_PODS_ARGS=--pod-manifest-path=/etc/kubernetes/manifests --allow-privileged=true" | ||
| Environment="KUBELET_DNS_ARGS=--cluster-dns=10.0.0.10 --cluster-domain=cluster.local" | ||
| Environment="KUBELET_CADVISOR_ARGS=--cadvisor-port=0" | ||
| Environment="KUBELET_CGROUP_ARGS=--cgroup-driver=cgroupfs" | ||
| ExecStart= | ||
| ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_SYSTEM_PODS_ARGS $KUBELET_DNS_ARGS $KUBELET_CADVISOR_ARGS $KUBELET_CGROUP_ARGS {{.ExtraOptions}} | ||
| `)) | ||
|
|
||
| const kubeletService = ` | ||
| [Unit] | ||
| Description=kubelet: The Kubernetes Node Agent | ||
| Documentation=http://kubernetes.io/docs/ | ||
| [Service] | ||
| ExecStart=/usr/bin/kubelet | ||
| Restart=always | ||
| StartLimitInterval=0 | ||
| RestartSec=10 | ||
| [Install] | ||
| WantedBy=multi-user.target | ||
| ` | ||
|
|
||
| var kubeadmRestoreTemplate = template.Must(template.New("kubeadmRestoreTemplate").Parse(` | ||
| sudo kubeadm alpha phase certs all --config {{.KubeadmConfigFile}} && | ||
| sudo /usr/bin/kubeadm alpha phase kubeconfig all --config {{.KubeadmConfigFile}} && | ||
| sudo /usr/bin/kubeadm alpha phase controlplane all --config {{.KubeadmConfigFile}} && | ||
| sudo /usr/bin/kubeadm alpha phase etcd local --config {{.KubeadmConfigFile}} | ||
| `)) | ||
|
|
||
| var kubeadmInitTemplate = template.Must(template.New("kubeadmInitTemplate").Parse("sudo /usr/bin/kubeadm init --config {{.KubeadmConfigFile}} --skip-preflight-checks")) |
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