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81 lines
3.1 KiB
Plaintext
81 lines
3.1 KiB
Plaintext
-- Prelude imports
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let map = https://raw.githubusercontent.com/dhall-lang/Prelude/e44284bc37a5808861dacd4c8bd13d18411cb961/List/map
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in let Some = https://raw.githubusercontent.com/dhall-lang/Prelude/c79c2bc3c46f129cc5b6d594ce298a381bcae92c/Optional/Some
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in let None = https://raw.githubusercontent.com/dhall-lang/Prelude/c79c2bc3c46f129cc5b6d594ce298a381bcae92c/Optional/None
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-- import dhall-kubernetes types and defaults
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in let Deployment = ../types/io.k8s.api.apps.v1beta2.Deployment.dhall
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in let Spec = ../types/io.k8s.api.apps.v1beta2.DeploymentSpec.dhall
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in let PodSpec = ../types/io.k8s.api.core.v1.PodSpec.dhall
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in let ContainerPort = ../types/io.k8s.api.core.v1.ContainerPort.dhall
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in let defaultDeployment = ../default/io.k8s.api.apps.v1beta2.Deployment.dhall
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in let defaultMeta = ../default/io.k8s.apimachinery.pkg.apis.meta.v1.ObjectMeta.dhall
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in let defaultSpec = ../default/io.k8s.api.apps.v1beta2.DeploymentSpec.dhall
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in let defaultTemplate = ../default/io.k8s.api.core.v1.PodTemplateSpec.dhall
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in let defaultPodSpec = ../default/io.k8s.api.core.v1.PodSpec.dhall
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in let defaultSelector = ../default/io.k8s.apimachinery.pkg.apis.meta.v1.LabelSelector.dhall
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in let defaultContainer = ../default/io.k8s.api.core.v1.Container.dhall
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in let defaultContainerPort = ../default/io.k8s.api.core.v1.ContainerPort.dhall
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{-
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Here we import the Config type.
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It's going to be the input to our mkDeployment function,
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and contains the configuration for the Deployment.
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-}
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in let Config = ./Config.dhall
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-- So here we define a function that outputs a Deployment
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in let mkDeployment : Config -> Deployment =
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\(deployment : Config) ->
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let selector = Some (List { mapKey : Text, mapValue : Text })
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[{ mapKey = "app", mapValue = deployment.name }]
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in let spec = defaultSpec
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{ selector = defaultSelector // { matchLabels = selector }
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, template = defaultTemplate
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{ metadata = defaultMeta
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{ name = deployment.name } // { labels = selector }
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} //
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{ spec = Some PodSpec (defaultPodSpec
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{ containers = [
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defaultContainer
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{ name = deployment.name } //
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{ image = Some Text "your-container-service.io/${deployment.name}:${deployment.version}"
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, imagePullPolicy = Some Text "Always"
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, ports = Some (List ContainerPort)
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[(defaultContainerPort {containerPort = 8080})]
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}
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]
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})
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}
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} //
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{ replicas = Some Natural 2
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, revisionHistoryLimit = Some Natural 10
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}
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in defaultDeployment
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{ metadata = defaultMeta { name = deployment.name }
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} //
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{ spec = Some Spec spec } : Deployment
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{-
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..and to keep the example self contained we import our config here.
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A more modular approach would be to just define a function to make
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the Deployment in this file, and then apply the right configuration
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at the command line or in another Dhall file.
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E.g.: `dhall-to-yaml --omitNull <<< "./examples/deploymentRaw.dhall ./myConfig.dhall"`
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-}
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in let myConfig = ./myConfig.dhall
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-- and here we apply the deployment-making function to our config
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in mkDeployment myConfig
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