Palette Upgrade
We recommend you review the Release Notes and the Upgrade Notes before attempting to upgrade Palette. Use this information to address common issues that may occur during an upgrade.
Ingress Errors
If you receive the following error message when attempting to upgrade to Palette versions greater than Palette 3.4.X in a Kubernetes environment, use the debugging steps to address the issue.
Error: UPGRADE FAILED: failed to create resource: admission webhook "validate.nginx.ingress.kubernetes.io" denied the request: host "_" and path "/v1/oidc" is already defined in ingress default/hubble-auth-oidc-ingress-resource
Debug Steps
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Connect to the cluster using the cluster's kubeconfig file. Refer to the Access Cluster with CLI for additional guidance. 
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Identify all Ingress resources that belong to Hubble - an internal Palette component. kubectl get ingress --namespace default
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Remove each Ingress resource listed in the output that starts with the name Hubble. Use the following command to delete an Ingress resource. Replace REPLACE_MEwith the name of the Ingress resource you are removing.kubectl delete ingress --namespace default <REPLACE_ME>
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Restart the upgrade process. 
Mongo DNS Configmap Value is Incorrect
In VMware vSphere VerteX installations, if you encounter an error during the upgrade process where the MongoDB DNS ConfigMap value is incorrect, use the following steps to resolve the issue.
Debug Steps
- 
Open up a terminal session in an environment that has network access to the Kubernetes cluster. Refer to the Access Cluster with CLI for additional guidance. 
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Verify that the pods in the hubble-systemnamespace are not starting correctly by issuing the following command.kubectl get pods --namespace=hubble-system
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Verify that the configmap for the configserver in the hubble-system namespace contains the incorrect host value mongo-1.mongohubble-system.svc.cluster. Use the following command to describe the configmap and search for the host value.kubectl describe configmap configserver --namespace hubble-system | grep hosthost: mongo-0.mongo.hubble-system.svc.cluster.local,mongo-1.mongohubble-system.svc.cluster.local,mongo-2.mongo.hubble-system.svc.cluster.local
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
 host: '0.0.0.0'
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If the host value is incorrect, log in to the System Console. You can find guidance on how to access the System Console in the Access the System Console documentation. 
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Navigate to the Main Menu and select Enterprise Cluster. From the System Profiles page, select the Spectro pack.  
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In the YAML editor, locate the parameter databaseUrland update the valuemongo-1.mongohubble-system.svc.cluster.localtomongo-1.mongo.hubble-system.svc.cluster.local.Below is what the updated databaseUrlvalue should look like.databaseUrl: "mongo-0.mongo.hubble-system.svc.cluster.local,mongo-1.mongo.hubble-system.svc.cluster.local,mongo-2.mongo.hubble-system.svc.cluster.local"
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Click Save to apply the changes. 
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Verify the system pods are starting correctly by issuing the following command. kubectl get pods --namespace=hubble-systemNAME READY STATUS RESTARTS AGE
 auth-64b88d97dd-5z7ph 1/1 Running 0 31m
 auth-64b88d97dd-bchr7 1/1 Running 0 31m
 cloud-b8796c57d-5r7d9 1/1 Running 0 31m
 cloud-b8796c57d-xpbx7 1/1 Running 0 31m
 configserver-778bd7c4c9-mrtc6 1/1 Running 0 31m
 event-5869c6bd75-2n7jl 1/1 Running 0 31m
 event-5869c6bd75-xnvmj 1/1 Running 0 31m
 foreq-679c7b7f6b-2ts2v 1/1 Running 0 31m
 hashboard-9f865b6c8-c52bb 1/1 Running 0 31m
 hashboard-9f865b6c8-rw6p4 1/1 Running 0 31m
 hutil-54995bfd6b-sh4dt 1/1 Running 0 31m
 hutil-54995bfd6b-tlqbj 1/1 Running 0 31m
 memstore-7584fdd94f-479pj 1/1 Running 0 31m
 mgmt-68c8dbfd58-8gxsx 1/1 Running 0 31m
 mongo-0 2/2 Running 0 29m
 mongo-1 2/2 Running 0 30m
 mongo-2 2/2 Running 0 30m
 msgbroker-7d7655559b-zxxfq 1/1 Running 0 31m
 oci-proxy-6fdf95885f-qw58g 1/1 Running 0 31m
 reloader-reloader-845cfd7fdf-2rq5t 1/1 Running 0 31m
 spectrocluster-5c4cb4ff58-658w9 1/1 Running 0 31m
 spectrocluster-5c4cb4ff58-fn8g5 1/1 Running 0 31m
 spectrocluster-5c4cb4ff58-zvwfp 1/1 Running 0 31m
 spectrocluster-jobs-5b54bf6bcf-mtgh8 1/1 Running 0 31m
 system-6678d47874-464n6 1/1 Running 0 31m
 system-6678d47874-rgn55 1/1 Running 0 31m
 timeseries-6564699c7d-b6fnr 1/1 Running 0 31m
 timeseries-6564699c7d-hvv94 1/1 Running 0 31m
 timeseries-6564699c7d-jzmnl 1/1 Running 0 31m
 user-866c7f779d-drf9w 1/1 Running 0 31m
 user-866c7f779d-rm4hw 1/1 Running 0 31m