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To use JWT to communicate with Azure eventhub we need to renew the JWT credentials from time to time. This example yaml helps out with that * Supports both deployment and cronjob based renewal * static service principal * aad-pod-identity in azure Signed-off-by: Edvin Norling <edvin.norling@xenit.se>
50 lines
1.7 KiB
YAML
50 lines
1.7 KiB
YAML
---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: credentials-sync-eventhub
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data:
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KUBE_SECRET: webhook-url # does not yet exist -- will be created in the same Namespace
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ADDRESS: "fluxv2" # the Azure Event Hub name
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# Create an identity in Azure and assign it a role to write to Azure Event Hub (note: the identity's resourceGroup should match the Azure Event Hub):
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# az identity create -n eventhub-write
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# az role assignment create --role eventhub --assignee-object-id "$(az identity show -n eventhub-write -o tsv --query principalId)"
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# Fetch the clientID and resourceID to configure the AzureIdentity spec below:
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# az identity show -n eventhub-write -otsv --query clientId
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# az identity show -n eventhub-write -otsv --query resourceId
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---
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apiVersion: aadpodidentity.k8s.io/v1
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kind: AzureIdentity
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metadata:
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name: lab
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namespace: flux-system
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spec:
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clientID: 82d01fb0-7799-4d9d-92c7-21e7632c0000
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resourceID: /subscriptions/82d01fb0-7799-4d9d-92c7-21e7632c0000/resourceGroups/stealthybox/providers/Microsoft.ManagedIdentity/userAssignedIdentities/eventhub-write
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type: 0
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---
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apiVersion: aadpodidentity.k8s.io/v1
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kind: AzureIdentityBinding
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metadata:
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name: lab
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namespace: flux-system
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spec:
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azureIdentity: jwt-lab
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selector: jwt-lab
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# Set the reconcile period + specify the pod-identity via the aadpodidbinding label
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---
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apiVersion: batch/v1beta1
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kind: CronJob
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metadata:
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name: credentials-sync-eventhub
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namespace: flux-system
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spec:
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schedule: 0 * * * * # JWT tokens expire every 24 hours; refresh faster than that
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jobTemplate:
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spec:
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template:
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metadata:
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labels:
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aadpodidbinding: $(AZ_IDENTITY_NAME) # match the AzureIdentity name
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