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oc describe node
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$ df -Th | |
Filesystem Type Size Used Avail Use% Mounted on | |
devtmpfs devtmpfs 3.8G 0 3.8G 0% /dev | |
tmpfs tmpfs 3.8G 0 3.8G 0% /dev/shm | |
tmpfs tmpfs 3.8G 25M 3.8G 1% /run | |
/dev/mapper/rhel-root xfs 70G 5.4G 64G 8% / | |
/dev/vda1 xfs 794M 214M 581M 27% /boot | |
/dev/vda2 vfat 200M 8.0K 200M 1% /boot/efi | |
tmpfs tmpfs 777M 0 777M 0% /run/user/1000 | |
---------------------------------------------------------- | |
$ oc describe node | |
Name: microshift-starter.local | |
Roles: control-plane,master,worker | |
Labels: beta.kubernetes.io/arch=amd64 | |
beta.kubernetes.io/os=linux | |
kubernetes.io/arch=amd64 | |
kubernetes.io/hostname=microshift-starter.local | |
kubernetes.io/os=linux | |
node-role.kubernetes.io/control-plane= | |
node-role.kubernetes.io/master= | |
node-role.kubernetes.io/worker= | |
topology.topolvm.io/node=microshift-starter.local | |
Annotations: capacity.topolvm.io/00default: 0 | |
capacity.topolvm.io/default: 0 | |
csi.volume.kubernetes.io/nodeid: {"topolvm.io":"microshift-starter.local"} | |
k8s.ovn.org/host-addresses: ["192.168.122.96"] | |
k8s.ovn.org/l3-gateway-config: | |
{"default":{"mode":"local","interface-id":"br-ex_microshift-starter.local","mac-address":"52:54:00:4c:05:ed","ip-addresses":["192.168.122.... | |
k8s.ovn.org/node-chassis-id: 75c0668d-9ad4-4029-9a9a-c9a74a3425be | |
k8s.ovn.org/node-gateway-router-lrp-ifaddr: {"ipv4":"100.64.0.2/16"} | |
k8s.ovn.org/node-mgmt-port-mac-address: d6:fb:86:d4:64:f2 | |
k8s.ovn.org/node-primary-ifaddr: {"ipv4":"192.168.122.96/24"} | |
k8s.ovn.org/node-subnets: {"default":"10.42.0.0/24"} | |
node.alpha.kubernetes.io/ttl: 0 | |
volumes.kubernetes.io/controller-managed-attach-detach: true | |
CreationTimestamp: Fri, 16 Dec 2022 13:06:11 +0000 | |
Taints: <none> | |
Unschedulable: false | |
Lease: | |
HolderIdentity: microshift-starter.local | |
AcquireTime: <unset> | |
RenewTime: Fri, 16 Dec 2022 13:18:14 +0000 | |
Conditions: | |
Type Status LastHeartbeatTime LastTransitionTime Reason Message | |
---- ------ ----------------- ------------------ ------ ------- | |
MemoryPressure False Fri, 16 Dec 2022 13:14:21 +0000 Fri, 16 Dec 2022 13:06:11 +0000 KubeletHasSufficientMemory kubelet has sufficient memory available | |
DiskPressure False Fri, 16 Dec 2022 13:14:21 +0000 Fri, 16 Dec 2022 13:06:11 +0000 KubeletHasNoDiskPressure kubelet has no disk pressure | |
PIDPressure False Fri, 16 Dec 2022 13:14:21 +0000 Fri, 16 Dec 2022 13:06:11 +0000 KubeletHasSufficientPID kubelet has sufficient PID available | |
Ready True Fri, 16 Dec 2022 13:14:21 +0000 Fri, 16 Dec 2022 13:06:41 +0000 KubeletReady kubelet is posting ready status | |
Addresses: | |
InternalIP: 192.168.122.96 | |
Hostname: microshift-starter.local | |
Capacity: | |
cpu: 4 | |
ephemeral-storage: 70666Mi | |
hugepages-1Gi: 0 | |
hugepages-2Mi: 0 | |
memory: 7951620Ki | |
pods: 250 | |
Allocatable: | |
cpu: 4 | |
ephemeral-storage: 66688804344 | |
hugepages-1Gi: 0 | |
hugepages-2Mi: 0 | |
memory: 7849220Ki | |
pods: 250 | |
System Info: | |
Machine ID: 9338c543ae7f4fab827e8fe6c674cdab | |
System UUID: 9338c543-ae7f-4fab-827e-8fe6c674cdab | |
Boot ID: ef845884-2f12-4e25-8d4f-5abd437eecb3 | |
Kernel Version: 4.18.0-425.3.1.el8.x86_64 | |
OS Image: Red Hat Enterprise Linux 8.7 (Ootpa) | |
Operating System: linux | |
Architecture: amd64 | |
Container Runtime Version: cri-o://1.25.1-2.rhaos4.12.gitafa0c57.el8 | |
Kubelet Version: v1.25.0 | |
Kube-Proxy Version: v1.25.0 | |
PodCIDR: 10.42.0.0/24 | |
PodCIDRs: 10.42.0.0/24 | |
Non-terminated Pods: (8 in total) | |
Namespace Name CPU Requests CPU Limits Memory Requests Memory Limits Age | |
--------- ---- ------------ ---------- --------------- ------------- --- | |
openshift-dns dns-default-fhwlb 60m (1%) 0 (0%) 110Mi (1%) 0 (0%) 11m | |
openshift-dns node-resolver-58mss 5m (0%) 0 (0%) 21Mi (0%) 0 (0%) 12m | |
openshift-ingress router-default-7c9c47d97f-wvc4f 100m (2%) 0 (0%) 256Mi (3%) 0 (0%) 12m | |
openshift-ovn-kubernetes ovnkube-master-fm9xh 40m (1%) 0 (0%) 90Mi (1%) 0 (0%) 12m | |
openshift-ovn-kubernetes ovnkube-node-tj6kx 10m (0%) 0 (0%) 10Mi (0%) 0 (0%) 12m | |
openshift-service-ca service-ca-66b8869cf9-76j6c 10m (0%) 0 (0%) 120Mi (1%) 0 (0%) 12m | |
openshift-storage topolvm-controller-78876c5fcd-55pm2 350m (8%) 0 (0%) 350Mi (4%) 0 (0%) 12m | |
openshift-storage topolvm-node-5tc9z 500m (12%) 0 (0%) 500Mi (6%) 0 (0%) 11m | |
Allocated resources: | |
(Total limits may be over 100 percent, i.e., overcommitted.) | |
Resource Requests Limits | |
-------- -------- ------ | |
cpu 1075m (26%) 0 (0%) | |
memory 1457Mi (19%) 0 (0%) | |
ephemeral-storage 0 (0%) 0 (0%) | |
hugepages-1Gi 0 (0%) 0 (0%) | |
hugepages-2Mi 0 (0%) 0 (0%) | |
Events: | |
Type Reason Age From Message | |
---- ------ ---- ---- ------- | |
Normal Starting 12m kubelet Starting kubelet. | |
Normal NodeHasSufficientMemory 12m (x2 over 12m) kubelet Node microshift-starter.local status is now: NodeHasSufficientMemory | |
Normal NodeHasNoDiskPressure 12m (x2 over 12m) kubelet Node microshift-starter.local status is now: NodeHasNoDiskPressure | |
Normal NodeHasSufficientPID 12m (x2 over 12m) kubelet Node microshift-starter.local status is now: NodeHasSufficientPID | |
Normal NodeAllocatableEnforced 12m kubelet Updated Node Allocatable limit across pods | |
Normal RegisteredNode 12m node-controller Node microshift-starter.local event: Registered Node microshift-starter.local in Controller | |
Normal NodeReady 11m kubelet Node microshift-starter.local status is now: NodeReady | |
------------------------------------------------------- | |
$ cat pvtest.yaml | |
kind: PersistentVolumeClaim | |
apiVersion: v1 | |
metadata: | |
name: my-lv-pvc | |
spec: | |
accessModes: | |
- ReadWriteOnce | |
resources: | |
requests: | |
storage: 200Mi | |
--- | |
apiVersion: v1 | |
kind: Pod | |
metadata: | |
name: my-pod | |
spec: | |
securityContext: | |
seccompProfile: | |
type: RuntimeDefault | |
runAsNonRoot: true | |
containers: | |
- name: my-pod | |
image: nginx | |
command: ["/usr/bin/sh", "-c"] | |
args: ["sleep", "1h"] | |
securityContext: | |
allowPrivilegeEscalation: false | |
capabilities: | |
drop: | |
- ALL | |
volumeMounts: | |
- mountPath: /mnt | |
name: my-volume | |
volumes: | |
- name: my-volume | |
persistentVolumeClaim: | |
claimName: my-lv-pvc | |
--------------------------------------- | |
$ oc get csistoragecapacity -n openshift-storage -o yaml | |
apiVersion: v1 | |
items: | |
- apiVersion: storage.k8s.io/v1 | |
capacity: "0" | |
kind: CSIStorageCapacity | |
metadata: | |
creationTimestamp: "2022-12-16T14:26:18Z" | |
generateName: csisc- | |
labels: | |
csi.storage.k8s.io/drivername: topolvm.io | |
csi.storage.k8s.io/managed-by: external-provisioner | |
name: csisc-5jz4t | |
namespace: openshift-storage | |
ownerReferences: | |
---------------------------- |
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