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Refactoring, rename envs to env, add a detailed CR
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-5
lines changed

4 files changed

+164
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‎deploy/cr.yaml‎

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@@ -5,7 +5,7 @@ metadata:
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spec:
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image: example-image
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imagePullPolicy: Never
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appName: celery-example
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appName: example
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celeryApp: 'app:celery_app'
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celeryVersion: "4.X"
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workerReplicas: 3

‎deploy/crd.yaml‎

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@@ -69,7 +69,7 @@ spec:
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items:
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description: "Variable references $(VAR_NAME) are expanded using the container's environment. If a variable cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded, regardless of whether the variable exists or not. Cannot be updated. More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell"
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type: string
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envs:
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env:
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items:
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description: EnvVar represents an environment variable present in
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a Container.
@@ -208,7 +208,7 @@ spec:
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items:
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description: "Variable references $(VAR_NAME) are expanded using the container's environment. If a variable cannot be resolved, the reference in the input string will be unchanged. The $(VAR_NAME) syntax can be escaped with a double $$, ie: $$(VAR_NAME). Escaped references will never be expanded, regardless of whether the variable exists or not. Cannot be updated. More info: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell"
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type: string
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envs:
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env:
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items:
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description: EnvVar represents an environment variable present in
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a Container.

‎deploy/detailed_cr.yaml‎

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@@ -0,0 +1,159 @@
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apiVersion: celeryproject.org/v1alpha1
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kind: Celery
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metadata:
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name: example-celery-obj
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spec:
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image: example-image
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imagePullPolicy: Never
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imagePullSecrets:
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- name: dockerhub-creds
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appName: example-app
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celeryApp: 'app:celery_app'
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celeryVersion: "4.X"
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workerReplicas: 3
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flowerReplicas: 2
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workerSpec:
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args: [ "--loglevel", "INFO", "-Ofair", "-Q", "celery", "-c", "2" ]
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env:
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- name: STATSD_HOST
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: status.hostIP
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- name: ENV
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valueFrom:
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configMapKeyRef:
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key: ENV
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name: global
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- name: FOO
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value: foo_value
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- name: APP_RELEASE_VERSION
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value: 8bdd66
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nodeSelector:
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disktype: ssd
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resources:
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requests:
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cpu: "100m"
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memory: "64Mi"
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limits:
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cpu: "200m"
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memory: "128Mi"
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flowerSpec:
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service:
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metadata:
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name: celery-example-flower
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namespace: default
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labels:
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app: celery-example-flower
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spec:
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type: NodePort
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ports:
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- port: 5555
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protocol: TCP
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selector:
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run: celery-example-flower
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args: [ "--loglevel", "INFO" ]
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nodeSelector:
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disktype: ssd
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env:
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- name: STATSD_HOST
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: status.hostIP
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- name: ENV
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valueFrom:
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configMapKeyRef:
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key: ENV
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name: global
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- name: FOOBAR
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value: foobar_value
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- name: APP_RELEASE_VERSION
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value: 8bdd66
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resources:
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requests:
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cpu: "100m"
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memory: "64Mi"
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limits:
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cpu: "200m"
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memory: "128Mi"
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initContainers:
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- args:
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- -template
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- /configmap/nginx.conf.ctmpl:/config/nginx.conf
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- -log-level
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- trace
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- -once
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env:
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- name: CONSUL_ADDR
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: status.hostIP
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- name: CONSUL_TEMPLATE_PREFIX
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valueFrom:
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configMapKeyRef:
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key: CONSUL_TEMPLATE_PREFIX
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name: global
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image: docker-hub.foo.bar/consul-template
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imagePullPolicy: Always
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name: consul-template
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resources:
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limits:
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cpu: 550m
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memory: 400Mi
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requests:
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cpu: 500m
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memory: 200Mi
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terminationMessagePath: /dev/termination-log
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terminationMessagePolicy: File
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volumeMounts:
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- mountPath: /configmap
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name: foo-configmap
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- mountPath: /var/run/secrets/kubernetes.io/serviceaccount
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name: default-token
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readOnly: true
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volumeMounts:
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- mountPath: /code/settings.py
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name: foo-config
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subPath: settings.py
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- mountPath: /code/application/gunicorn.conf
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name: bar-config
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subPath: gunicorn.conf
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- mountPath: /var/run/secrets/kubernetes.io/serviceaccount
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name: default-token
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readOnly: true
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volumes:
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- name: test-volume
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# This AWS EBS volume must already exist.
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awsElasticBlockStore:
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volumeID: "<volume id>"
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fsType: ext4
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- name: default-token
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secret:
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defaultMode: 420
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secretName: default-token
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- configMap:
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defaultMode: 420
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name: foo-configmap
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name: foo-configmap
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livenessProbe:
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failureThreshold: 5
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httpGet:
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path: /my-app/health
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port: 80
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scheme: HTTP
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initialDelaySeconds: 5
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periodSeconds: 20
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successThreshold: 1
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timeoutSeconds: 10
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readinessProbe:
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failureThreshold: 5
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httpGet:
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path: /my-app/health
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port: 80
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scheme: HTTP
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initialDelaySeconds: 5
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periodSeconds: 20
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successThreshold: 1
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timeoutSeconds: 10

‎docs/crd.md‎

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@@ -12,12 +12,12 @@ It currently supports these parameters-
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- `flowerReplicas` - Number of flower pods to be run. Default is 1
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- `workerSpec` - Worker deployment-specific parameters
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+ `args` - Arguments to the celery worker command. The docker image's CMD is used if this is not provided. Similar to: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell
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+ `envs` - EnvVar represents an environment variable present in a Container. Similar to: https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/
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+ `env` - EnvVar represents an environment variable present in a Container. Similar to: https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/
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+ `nodeSelector` - A map of key-value pairs. For the pod/worker to be eligible to run on a node, the node must have each of the indicated key-value pairs as labels. Read more: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/
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+ `resources` - Compute Resources required by the worker container. Cannot be updated. Read more: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
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- `flowerSpec` - Flower deployment specific parameters
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+ `args` - Arguments to the celery flower command. Similar to: https://kubernetes.io/docs/tasks/inject-data-application/define-command-argument-container/#running-a-command-in-a-shell
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+ `envs` - EnvVar represents an environment variable present in a Container. Similar to: https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/
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+ `env` - EnvVar represents an environment variable present in a Container. Similar to: https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/
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+ `nodeSelector` - A map of key-value pairs. For the pod/worker to be eligible to run on a node, the node must have each of the indicated key-value pairs as labels. Read more: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/
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+ `resources` - Compute Resources required by the worker container. Cannot be updated. Read more: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
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+ `service` - Service defines the template for the associated Kubernetes Service object for exposing Flower UI. Read more: https://kubernetes.io/docs/concepts/services-networking/service/

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