seperate postgres & postgres-internal
parent
8626b91b16
commit
cca93311e4
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(ns dda.c4k-common.postgres.postgres-internal
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(:require
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[clojure.spec.alpha :as s]
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#?(:clj [orchestra.core :refer [defn-spec]]
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:cljs [orchestra.core :refer-macros [defn-spec]])
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#?(:cljs [dda.c4k-common.macros :refer-macros [inline-resources]])
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[dda.c4k-common.yaml :as yaml]
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[dda.c4k-common.base64 :as b64]
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[dda.c4k-common.predicate :as cp]
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[dda.c4k-common.common :as cm]
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[dda.c4k-common.postgres.postgres-internal :as int]))
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(defn postgres-size?
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[input]
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(contains? #{:2gb :4gb :8gb :16gb} input))
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(defn postgres-image?
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[input]
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(contains? #{"postgres:13" "postgres:14" "postgres:15" "postgres:16"} input))
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(s/def ::postgres-db-user cp/bash-env-string?)
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(s/def ::postgres-db-password cp/bash-env-string?)
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(s/def ::postgres-data-volume-path string?)
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(s/def ::postgres-size postgres-size?)
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(s/def ::db-name cp/bash-env-string?)
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(s/def ::pvc-storage-class-name cp/pvc-storage-class-name?)
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(s/def ::pv-storage-size-gb pos?)
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(def pg-config?
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(s/keys :req-un [::postgres-size ::db-name ::postgres-data-volume-path
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::pvc-storage-class-name ::pv-storage-size-gb]))
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(def pg-auth?
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(s/keys :opt-un [::postgres-db-user ::postgres-db-password]))
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(def postgres-function (s/keys :opt-un [::deserializer ::optional]))
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(defn-spec generate-config map?
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[config pg-config?]
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(let [{:keys [postgres-size db-name]} config]
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(->
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(yaml/from-string (yaml/load-resource
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(str "postgres/config-" (name postgres-size) ".yaml")))
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(assoc-in [:data :postgres-db] db-name))))
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(defn-spec generate-deployment map?
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[config pg-config?]
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(let [{:keys [postgres-image]} config]
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(->
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(yaml/from-string (yaml/load-resource "postgres/deployment.yaml"))
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(assoc-in [:spec :template :spec :containers 0 :image] postgres-image))))
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(defn-spec generate-persistent-volume map?
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[config pg-config?]
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(let [{:keys [postgres-data-volume-path pv-storage-size-gb]} config]
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(->
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(yaml/from-string (yaml/load-resource "postgres/persistent-volume.yaml"))
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(assoc-in [:spec :hostPath :path] postgres-data-volume-path)
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(assoc-in [:spec :capacity :storage] (str pv-storage-size-gb "Gi")))))
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(defn-spec generate-pvc map?
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[config pg-config?]
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(let [{:keys [pv-storage-size-gb pvc-storage-class-name]} config]
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(->
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(yaml/from-string (yaml/load-resource "postgres/pvc.yaml"))
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(assoc-in [:spec :resources :requests :storage] (str pv-storage-size-gb "Gi"))
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(assoc-in [:spec :storageClassName] (name pvc-storage-class-name)))))
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(defn-spec generate-secret map?
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[my-auth pg-auth?]
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(let [{:keys [postgres-db-user postgres-db-password]} my-auth]
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(->
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(yaml/from-string (yaml/load-resource "postgres/secret.yaml"))
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(cm/replace-key-value :postgres-user (b64/encode postgres-db-user))
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(cm/replace-key-value :postgres-password (b64/encode postgres-db-password)))))
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(defn-spec generate-service map?
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[]
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(yaml/from-string (yaml/load-resource "postgres/service.yaml")))
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#?(:cljs
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(defmethod yaml/load-resource :postgres [resource-name]
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(get (inline-resources "postgres") resource-name)))
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@ -0,0 +1,122 @@
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(ns dda.c4k-common.postgres.postgres-internal-test
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(:require
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#?(:clj [clojure.test :refer [deftest is are testing run-tests]]
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:cljs [cljs.test :refer-macros [deftest is are testing run-tests]])
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[clojure.spec.test.alpha :as st]
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[dda.c4k-common.test-helper :as ct]
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[dda.c4k-common.postgres.postgres-internal :as cut]))
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(st/instrument `cut/generate-config)
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(st/instrument `cut/generate-deployment)
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(st/instrument `cut/generate-persistent-volume)
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(st/instrument `cut/generate-pvc)
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(st/instrument `cut/generate-secret)
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(st/instrument `cut/generate-service)
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(deftest should-generate-config
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(is (= {:postgres-db "postgres"
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:postgresql.conf
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"max_connections = 100\nwork_mem = 4MB\nshared_buffers = 512MB\n"}
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(:data (cut/generate-config {:postgres-image "postgres:13"
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:postgres-size :2gb
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:db-name "postgres"
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:postgres-data-volume-path "/var/postgres"
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:pv-storage-size-gb 10
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:pvc-storage-class-name "manual"}))))
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(is (= {:postgres-db "postgres"
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:postgresql.conf
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"max_connections = 700\nwork_mem = 3MB\nshared_buffers = 2048MB\n"}
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(:data (cut/generate-config {:postgres-image "postgres:13"
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:postgres-size :8gb
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:db-name "postgres"
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:postgres-data-volume-path "/var/postgres"
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:pv-storage-size-gb 10
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:pvc-storage-class-name "manual"}))))
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(is (= {:postgres-db "test"
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:postgresql.conf
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"max_connections = 100\nwork_mem = 4MB\nshared_buffers = 512MB\n"}
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(:data (cut/generate-config {:postgres-image "postgres:13"
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:postgres-size :2gb
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:db-name "test"
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:postgres-data-volume-path "/var/postgres"
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:pv-storage-size-gb 10
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:pvc-storage-class-name "manual"}))))
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)
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(deftest should-generate-deployment
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(is (= [{:image "postgres:14"
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:name "postgresql"
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:env
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[{:name "POSTGRES_USER"
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:valueFrom
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{:secretKeyRef
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{:name "postgres-secret", :key "postgres-user"}}}
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{:name "POSTGRES_PASSWORD"
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:valueFrom
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{:secretKeyRef
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{:name "postgres-secret", :key "postgres-password"}}}
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{:name "POSTGRES_DB"
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:valueFrom
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{:configMapKeyRef
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{:name "postgres-config", :key "postgres-db"}}}]
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:ports [{:containerPort 5432, :name "postgresql"}]
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:volumeMounts
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[{:name "postgres-config-volume"
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:mountPath "/etc/postgresql/postgresql.conf"
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:subPath "postgresql.conf"
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:readOnly true}
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{:name "postgre-data-volume"
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:mountPath "/var/lib/postgresql/data"}]}]
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(get-in (cut/generate-deployment {:postgres-image "postgres:14"
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:postgres-size :2gb
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:db-name "test"
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:postgres-data-volume-path "/var/postgres"
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:pv-storage-size-gb 10
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:pvc-storage-class-name "manual"})
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[:spec :template :spec :containers]))))
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(deftest should-generate-persistent-volume
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(is (= {:kind "PersistentVolume"
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:apiVersion "v1"
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:metadata
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{:name "postgres-pv-volume", :labels {:type "local"}}
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:spec
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{:storageClassName "manual"
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:accessModes ["ReadWriteOnce"]
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:capacity {:storage "20Gi"}
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:hostPath {:path "xx"}}}
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(cut/generate-persistent-volume {:postgres-image "postgres:14"
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:postgres-size :2gb
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:db-name "test"
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:pvc-storage-class-name "manual"
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:postgres-data-volume-path "xx"
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:pv-storage-size-gb 20}))))
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(deftest should-generate-persistent-volume-claim
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(is (= {:apiVersion "v1"
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:kind "PersistentVolumeClaim"
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:metadata
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{:name "postgres-claim", :labels {:app "postgres"}}
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:spec
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{:storageClassName "local-path"
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:accessModes ["ReadWriteOnce"]
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:resources {:requests {:storage "20Gi"}}}}
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(cut/generate-pvc {:postgres-image "postgres:13"
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:postgres-size :2gb
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:db-name "postgres"
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:postgres-data-volume-path "/var/postgres"
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:pv-storage-size-gb 20
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:pvc-storage-class-name "local-path"}))))
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(deftest should-generate-secret
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(is (= {:apiVersion "v1"
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:kind "Secret"
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:metadata {:name "postgres-secret"}
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:type "Opaque"
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:data
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{:postgres-user "eHgtdXM=", :postgres-password "eHgtcHc="}}
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(cut/generate-secret {:postgres-db-user "xx-us" :postgres-db-password "xx-pw"}))))
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