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Add support for TLS Passthrough using TLSRoutes (#2356)
Problem: As a user of NKG, I want to enable TLS Passthrough for my application's endpoints, so that I can achieve end-to-end encryption for my incoming traffic, and so that I do not have to manage certificates at the Gateway. Solution: Allow users to configure TLS Passthrough for their apps using TLSRoute. Adds basic support for TLSRoute. Cross-namespace routing via ReferenceGrants, traffic splitting, and TLS termination use case will be added in a future release. Note that the stream conf volume are always enabled in the deployment.yaml because our nginx conf reads from it. If the file did not exist then nginx will error.
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‎.github/workflows/conformance.yml‎

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run: |
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ngf_prefix=ghcr.io/nginxinc/nginx-gateway-fabric
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ngf_tag=${{ steps.ngf-meta.outputs.version }}
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if [ ${{ inputs.enable-experimental }} == "true" ]; then export ENABLE_EXPERIMENTAL=true; fi
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make generate-static-deployment PLUS_ENABLED=${{ inputs.image == 'plus' && 'true' || 'false' }} PREFIX=${ngf_prefix} TAG=${ngf_tag}
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working-directory: ./tests
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- name: Run conformance tests
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run: |
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if [ ${{ inputs.enable-experimental }} == "true" ]; then export ENABLE_EXPERIMENTAL=true; fi
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make run-conformance-tests CONFORMANCE_TAG=${{ github.sha }} NGF_VERSION=${{ github.ref_name }} CLUSTER_NAME=${{ github.run_id }}
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core_result=$(cat conformance-profile.yaml | yq '.profiles[0].core.result')
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extended_result=$(cat conformance-profile.yaml | yq '.profiles[0].extended.result')

‎charts/nginx-gateway-fabric/templates/clusterrole.yaml‎

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- grpcroutes
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{{- if .Values.nginxGateway.gwAPIExperimentalFeatures.enable }}
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- backendtlspolicies
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- tlsroutes
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{{- end }}
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verbs:
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- list
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- grpcroutes/status
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{{- if .Values.nginxGateway.gwAPIExperimentalFeatures.enable }}
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- backendtlspolicies/status
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- tlsroutes/status
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{{- end }}
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verbs:
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- update

‎charts/nginx-gateway-fabric/templates/deployment.yaml‎

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volumeMounts:
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- name: nginx-conf
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mountPath: /etc/nginx/conf.d
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- name: nginx-stream-conf
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mountPath: /etc/nginx/stream-conf.d
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- name: module-includes
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mountPath: /etc/nginx/module-includes
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- name: nginx-secrets
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volumeMounts:
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- name: nginx-conf
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mountPath: /etc/nginx/conf.d
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- name: nginx-stream-conf
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mountPath: /etc/nginx/stream-conf.d
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- name: module-includes
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mountPath: /etc/nginx/module-includes
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- name: nginx-secrets
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volumes:
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- name: nginx-conf
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emptyDir: {}
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- name: nginx-stream-conf
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emptyDir: {}
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- name: module-includes
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emptyDir: {}
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- name: nginx-secrets

‎config/tests/static-deployment.yaml‎

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volumeMounts:
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- name: nginx-conf
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mountPath: /etc/nginx/conf.d
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- name: nginx-stream-conf
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mountPath: /etc/nginx/stream-conf.d
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- name: module-includes
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mountPath: /etc/nginx/module-includes
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- name: nginx-secrets
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volumeMounts:
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- name: nginx-conf
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mountPath: /etc/nginx/conf.d
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- name: nginx-stream-conf
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mountPath: /etc/nginx/stream-conf.d
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- name: module-includes
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mountPath: /etc/nginx/module-includes
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- name: nginx-secrets
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volumes:
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- name: nginx-conf
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emptyDir: {}
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- name: nginx-stream-conf
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emptyDir: {}
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- name: module-includes
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emptyDir: {}
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- name: nginx-secrets

‎deploy/aws-nlb/deploy.yaml‎

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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumes:
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- emptyDir: {}
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name: nginx-conf
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- emptyDir: {}
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name: nginx-stream-conf
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- emptyDir: {}
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name: module-includes
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- emptyDir: {}

‎deploy/azure/deploy.yaml‎

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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumes:
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- emptyDir: {}
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name: nginx-conf
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- emptyDir: {}
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name: nginx-stream-conf
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- emptyDir: {}
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name: module-includes
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- emptyDir: {}

‎deploy/default/deploy.yaml‎

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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumes:
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- emptyDir: {}
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name: nginx-conf
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- emptyDir: {}
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name: nginx-stream-conf
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- emptyDir: {}
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name: module-includes
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- emptyDir: {}

‎deploy/experimental-nginx-plus/deploy.yaml‎

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- referencegrants
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- grpcroutes
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- backendtlspolicies
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- tlsroutes
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verbs:
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- list
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- watch
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- gatewayclasses/status
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- grpcroutes/status
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- backendtlspolicies/status
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- tlsroutes/status
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verbs:
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- update
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- apiGroups:
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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- emptyDir: {}
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name: nginx-conf
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- emptyDir: {}
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name: nginx-stream-conf
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- emptyDir: {}
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name: module-includes
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- emptyDir: {}

‎deploy/experimental/deploy.yaml‎

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- referencegrants
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- grpcroutes
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- backendtlspolicies
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- tlsroutes
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verbs:
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- list
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- watch
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- gatewayclasses/status
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- grpcroutes/status
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- backendtlspolicies/status
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- tlsroutes/status
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verbs:
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- update
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- apiGroups:
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumes:
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- emptyDir: {}
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name: nginx-conf
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- emptyDir: {}
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name: nginx-stream-conf
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- emptyDir: {}
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name: module-includes
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- emptyDir: {}

‎deploy/nginx-plus/deploy.yaml‎

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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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- mountPath: /etc/nginx/secrets
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volumeMounts:
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- mountPath: /etc/nginx/conf.d
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name: nginx-conf
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- mountPath: /etc/nginx/stream-conf.d
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name: nginx-stream-conf
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- mountPath: /etc/nginx/module-includes
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name: module-includes
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- mountPath: /etc/nginx/secrets
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volumes:
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- emptyDir: {}
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name: nginx-conf
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- emptyDir: {}
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name: nginx-stream-conf
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- emptyDir: {}
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name: module-includes
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- emptyDir: {}

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