Comments (7)
dixudx
commented on June 2, 2024
Error: Kubernetes cluster unreachable: Get "https://104.197.186.74/version?timeout=32s": x509: certificate has expired or is not yet valid: current time 2023-08-30T17:38:06+05:30 is before 2023-08-30T12:45:29Z
Actually it is NOT a problem of Clusternet.
The certificates of Kubernetes clusters got expired. You can try multiple ways to fix the expired certificates, such as
- https://kubernetes.io/docs/tasks/administer-cluster/kubeadm/kubeadm-certs/
- https://kubernetes.io/docs/tasks/tls/managing-tls-in-a-cluster/
- ...
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shekhar250723
commented on June 2, 2024
@dixudx It has been resolved automatically after the re-installation.
But I have some doubts. I have created one parent and 2 chilld cluster but whenever I tried to check the status of first child cluster through parent cluster then it's working fine but I got same status in another child cluster.
Second if I tried to switched the child cluster directly. Then I didn't check the created ns which I have created through parent cluster and getting error.
Error 1- Created the ns in first child cluster but it's also visible in another child cluster
$ kubectl clusternet --cluster-id=407df4f8-09f3-4353-bd13-0bbe23374669 --kubeconfig=.kube/config create ns developer-namespace
namespace/developer-namespace created
$ kubectl get clsrr
NAME CLUSTER ID STATUS AGE
clusternet-3ee7dab1-02c5-458d-8f3a-9e48d30af202 3ee7dab1-02c5-458d-8f3a-9e48d30af202 Approved 10m
clusternet-407df4f8-09f3-4353-bd13-0bbe23374669 407df4f8-09f3-4353-bd13-0bbe23374669 Approved 16h
$ kubectl clusternet --cluster-id=407df4f8-09f3-4353-bd13-0bbe23374669 --kubeconfig=.kube/config get ns
NAME STATUS AGE
clusternet-9gw4k Active 10m
clusternet-reserved Active 16h
clusternet-system Active 16h
clusternet-szc2b Active 16h
default Active 16h
developer-namespace Active 19s
gmp-public Active 16h
gmp-system Active 16h
kube-node-lease Active 16h
kube-public Active 16h
kube-system Active 16h
$ kubectl clusternet --cluster-id=3ee7dab1-02c5-458d-8f3a-9e48d30af202 --kubeconfig=.kube/config get ns
NAME STATUS AGE
clusternet-9gw4k Active 11m
clusternet-reserved Active 16h
clusternet-system Active 16h
clusternet-szc2b Active 16h
default Active 16h
developer-namespace Active 26s
gmp-public Active 16h
gmp-system Active 16h
kube-node-lease Active 16h
kube-public Active 16h
kube-system Active 16h Error 2- Getting error if I switched directly the child cluster and tried to check the created ns which is done by parent clusternet command.
$ kubectl clusternet get ns
Error from server (NotFound): Unable to list "/v1, Resource=namespaces": the server could not find the requested resource (get namespaces)from clusternet.
dixudx
commented on June 2, 2024
For error 1
It seems that the same cluster is registered twice.
For error 2
You are not specifying a valid kubeconfig. By default $HOME/.kube/config is used.
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shekhar250723
commented on June 2, 2024
@dixudx As checked again, no same cluster has been registered twice. Could you please let me know any command? How can we check the status of it.
Second - Kubeconfig file is valid and updated the same as per the process but still getting the same error.
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dixudx
commented on June 2, 2024
$ kubectl clusternet --cluster-id=407df4f8-09f3-4353-bd13-0bbe23374669 --kubeconfig=.kube/config get ns
NAME STATUS AGE
clusternet-9gw4k Active 10m
clusternet-reserved Active 16h
clusternet-system Active 16h
clusternet-szc2b Active 16h
default Active 16h
developer-namespace Active 19s
gmp-public Active 16h
gmp-system Active 16h
kube-node-lease Active 16h
kube-public Active 16h
kube-system Active 16h
$ kubectl clusternet --cluster-id=3ee7dab1-02c5-458d-8f3a-9e48d30af202 --kubeconfig=.kube/config get ns
NAME STATUS AGE
clusternet-9gw4k Active 11m
clusternet-reserved Active 16h
clusternet-system Active 16h
clusternet-szc2b Active 16h
default Active 16h
developer-namespace Active 26s
gmp-public Active 16h
gmp-system Active 16h
kube-node-lease Active 16h
kube-public Active 16h
kube-system Active 16h They have exactly the same output.
@shekhar250723 Where is the child kubeconfig? I did not see any --child-kubeconfig flag here. Would you please follow the guide strictly? Thanks.
Moreover, flag --kubeconfig and --child-kubeconfig are different, they are for different clusters. You can tell them from the flag name.
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shekhar250723
commented on June 2, 2024
@dixudx Sorry for that, but it's not working and clusternet.io documentation is incomplete. Child config command is not working properly.
$kubectl clusternet --cluster-id=59a4d6ab-14de-473c-8e1d-500bc5cdbe81 --kubeconfig=.kube/config get ns
NAME STATUS AGE
clusternet-gpv86 Active 18h
clusternet-reserved Active 18h
clusternet-system Active 18h
default Active 42h
gmp-public Active 42h
gmp-system Active 42h
kube-node-lease Active 42h
kube-public Active 42h
kube-system Active 42h
dev-link Active 126mError
$ kubectl clusternet --cluster-id=59a4d6ab-14de-473c-8e1d-500bc5cdbe81 --child-kubeconfig=.kube/config get ns
error: the server doesn't have a resource type "ns"--child-kubeconfig command not working
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dixudx
commented on June 2, 2024
Firstly --child-kubeconfig and --kubeconfig are different flags. I am not meaning that you can only use either of them. Flag --kubeconfig will normally load from $HOME/.kube/config by default, unless you're explicitly specifying one.
If you're not clear about the default values, I'd suggest you adopt an explicit setting as follows,
$ kubectl clusternet --cluster-id=59a4d6ab-14de-473c-8e1d-500bc5cdbe81 --kubeconfig=[your parent cluster kubeconfig path] --child-kubeconfig=[your child cluster kubeconfig path] get nsSecondly, normally you should have different kubeconfig files for flag --kubeconfig and --child-kubeconfig respectively, unless you know exactly that you register parent cluster to itself as a child cluster.
Last but not the least, you can learn more from https://kubernetes.io/docs/concepts/configuration/organize-cluster-access-kubeconfig/, where you could have a better understanding of kubeconfig files, default locations, basic usages ,etc.
Currently what you've met now are solely Kubernetes usage problems. Please try to know exactly the command you're issuing.
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