when i am doing mock exams from these labs “CERTIFIED KUBERNETES ADMINISTRATOR – MOCK EXAM SERIES”, pods are getting stuck in “ContainerCreating” state with the below errors on some contexts and not able to concentrate on real queations. May i know why are we getting the errors?
student-node ~ ➜ k get pods
NAME READY STATUS RESTARTS AGE
check-time-cka03-trb 1/1 Running 0 24m
db-deployment-cka05-trb-d6c66f466-txrsr 0/1 ContainerCreating 0 21m
pod-cka24-trb 0/1 ContainerCreating 0 24m
red-probe-cka12-trb 1/1 Running 0 26m
student-node ~ ➜ k describe pod/db-deployment-cka05-trb-d6c66f466-txrsr
Name: db-deployment-cka05-trb-d6c66f466-txrsr
Namespace: default
Priority: 0
Node: cluster1-node01/192.27.144.16
Start Time: Thu, 08 Jun 2023 14:20:58 +0000
Labels: app=db-app-cka05-trb
pod-template-hash=d6c66f466
Annotations:
Status: Pending
IP:
IPs:
Controlled By: ReplicaSet/db-deployment-cka05-trb-d6c66f466
Containers:
db:
Container ID:
Image: keinos/sqlite3
Image ID:
Port:
Host Port:
Command:
/bin/sh
-c
sleep 1000
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Environment:
DB_ROOT_PASSWORD: <set to the key ‘password’ in secret ‘db-root-pass-cka05-trb’> Optional: false
DB_DATABASE: <set to the key ‘db’ in secret ‘db-cka05-trb’> Optional: false
DB_USER: <set to the key ‘db-user’ in secret ‘db-user-cka05-trb’> Optional: false
DB_PASSWORD: <set to the key ‘db-password’ in secret ‘db-user-pass-cka05-trb’> Optional: false
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from kube-api-access-h5mlw (ro)
Conditions:
Type Status
Initialized True
Ready False
ContainersReady False
PodScheduled True
Volumes:
kube-api-access-h5mlw:
Type: Projected (a volume that contains injected data from multiple sources)
TokenExpirationSeconds: 3607
ConfigMapName: kube-root-ca.crt
ConfigMapOptional:
DownwardAPI: true
QoS Class: BestEffort
Node-Selectors:
Tolerations: node.kubernetes.io/not-ready:NoExecute op=Exists for 300s
node.kubernetes.io/unreachable:NoExecute op=Exists for 300s
Events:
Type Reason Age From Message
Normal Scheduled 22m default-scheduler Successfully assigned default/db-deployment-cka05-trb-d6c66f466-txrsr to cluster1-node01
Warning FailedMount 19m (x9 over 22m) kubelet MountVolume.SetUp failed for volume “kube-api-access-h5mlw” : mkdir /var/lib/kubelet/pods: no such file or directory
Warning Failed 2m5s (x93 over 22m) kubelet error making pod data directories: mkdir /var/lib/kubelet/pods: no such file or directory