Henry Xie 's blog

Wednesday, November 17, 2021

Tip: kube-apiserver can't start after adding a parameter

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 Symptom: We add a new oidc parameter for kube-apiserver to integrate with openID Dex. The parameter is  --oidc-groups-prefix=oidc: After t...
Sunday, October 24, 2021

Tip: Error: vault kv get invalid character - in numeric literal

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Symptom: When we use vault kv get to fetch CA from pki endpoint, we hit error  $ vault kv get pki/ca/pem Error reading pki/ca/pem: invalid c...
Wednesday, September 22, 2021

Error: invalid bearer token, oidc: verify token: oidc: expected audience

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Symptom: After we implemented dex + github via link . With example-app,we are able to get ID-token via http://127.0.0.1:5555/ With ID-tok...
Saturday, August 21, 2021

Kubectl Plugin for Oracle Database

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  Requirement: We often need to provision new oracle databases for developers This is the kubectl plugin to automate the creation of oracle ...
Friday, August 20, 2021

Tip: what are the GVK GVR CRD CR Scheme in Kuberentes Core API

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GVK: GVK stands for Group Version Kind  Each Kind in K8S has Group and Version. i.e. Kind "Pod" is in Group "core" , Ver...
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