kubernetes - Terraform examples

kubernetes_config_map/from_files/

destroy.sh

            #!/bin/bash
../../../bin/destroy.sh kubernetes

main.tf

            # Summary: Kubernetes configmap from files

# Documentation: https://www.terraform.io/docs/language/settings/index.html
terraform {
  required_version = ">= 1.0.0"
  required_providers {
    kubernetes = {
      source  = "hashicorp/kubernetes"
      version = "~> 2.0"
    }
  }
}

# Documentation: https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/config_ma
resource "kubernetes_config_map" "changeme_from_files_config_map" {
  metadata {
    name = "changeme-from-files-config-map"
  }

  data = {
    "my_config_file.yml" = "${file("${path.module}/my_config_file.yml")}"
  }

  binary_data = {
    "my_payload.bin" = "${filebase64("${path.module}/my_payload.bin")}"
  }
}

my_config_file.yml

            key: value

my_payload.bin

            binary_payload

run.sh

            #!/bin/bash
../../../bin/apply.sh kubernetes

kubernetes_config_map/simple/

destroy.sh

            #!/bin/bash
../../../bin/destroy.sh kubernetes

main.tf

            # Summary: Creates a Kubernetes configmap

# Documentation: https://www.terraform.io/docs/language/settings/index.html
terraform {
  required_version = ">= 1.0.0"
  required_providers {
    kubernetes = {
      source  = "hashicorp/kubernetes"
      version = "~> 2.0"
    }
  }
}

# Documentation: https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/config_map
resource "kubernetes_config_map" "changeme_simple_config_map" {
  metadata {
    name = "changeme-simple-config-map"
  }

  data = {
    api_host = "myhost:443"
    db_host  = "dbhost:5432"
  }
}

run.sh

            #!/bin/bash
../../../bin/apply.sh kubernetes

kubernetes_deployment/deployment_and_service/

destroy.sh

            #!/bin/bash
../../../bin/destroy.sh kubernetes

main.tf

            # Summary: Create a Kubernetes deployment and service

# Documentation: https://www.terraform.io/docs/language/settings/index.html
terraform {
  required_version = ">= 1.0.0"
  required_providers {
    kubernetes = {
      source  = "hashicorp/kubernetes"
      version = "~> 2.0"
    }
  }
}

# Documentation: https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace
resource "kubernetes_namespace" "changeme_deployment_and_service_namespace" {
  metadata {
    name = "changeme-deployment-and-service"
  }
}

# Documentation: https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/deployment
resource "kubernetes_deployment" "changeme_deployment_and_service_deployment" {
  metadata {
    name      = "changeme-deployment-and-service"
    namespace = kubernetes_namespace.changeme_deployment_and_service_namespace.metadata.0.name
    labels = {
      app = "changeme-deployment-and-service"
    }
  }

  spec {
    replicas = 2
    selector {
      match_labels = {
        app = "changeme-deployment-and-service"
      }
    }
    template {
      metadata {
        labels = {
          app = "changeme-deployment-and-service"
        }
      }
      spec {
        container {
          image = "nginx"
          name  = "nginx"

          port {
            container_port = 80
          }

        }
      }
    }
  }
}

# Documentation: https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/service
resource "kubernetes_service" "changeme_deployment_and_service_service" {
  metadata {
    name      = "changeme-deployment-and-service"
    namespace = kubernetes_namespace.changeme_deployment_and_service_namespace.metadata.0.name
  }
  spec {
    selector = {
      app = kubernetes_deployment.changeme_deployment_and_service_deployment.spec.0.template.0.metadata[0].labels.app
    }
    port {
      port        = 80
      target_port = 80
    }
  }
}

run.sh

            #!/bin/bash
../../../bin/apply.sh kubernetes

kubernetes_deployment/simple/

destroy.sh

            #!/bin/bash
../../../bin/destroy.sh kubernetes

main.tf

            # Summary: A Kubernetes deployment

# Documentation: https://www.terraform.io/docs/language/settings/index.html
terraform {
  required_version = ">= 1.0.0"
  required_providers {
    kubernetes = {
      source  = "hashicorp/kubernetes"
      version = "~> 2.0"
    }
  }
}

# Documentation: https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/deployment
resource "kubernetes_deployment" "changeme_simple_deployment" {
  metadata {
    name = "changeme-simple-deployment"
    labels = {
      app = "changeme-simple-deployment"
    }
  }

  spec {
    replicas = 1
    selector {
      match_labels = {
        app = "changeme-simple-deployment"
      }
    }
    template {
      metadata {
        labels = {
          app = "changeme-simple-deployment"
        }
      }
      spec {
        container {
          image = "nginx"
          name  = "nginx"
        }
      }
    }
  }
}

run.sh

            #!/bin/bash
../../../bin/apply.sh kubernetes

kubernetes_namespace/simple/

destroy.sh

            #!/bin/bash
../../../bin/destroy.sh kubernetes

main.tf

            # Summary: A Kubernetes namespace

# Documentation: https://www.terraform.io/docs/language/settings/index.html
terraform {
  required_version = ">= 1.0.0"
  required_providers {
    kubernetes = {
      source  = "hashicorp/kubernetes"
      version = "~> 2.0"
    }
  }
}

# Documentation: https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace
resource "kubernetes_namespace" "changeme_simple_namespace" {
  metadata {
    name = "changeme-simple-namespace"
  }
}

run.sh

            #!/bin/bash
../../../bin/apply.sh kubernetes

kubernetes_service/simple/

destroy.sh

            #!/bin/bash
../../../bin/destroy.sh kubernetes

main.tf

            # Summary: A kubernetes service

# Documentation: https://www.terraform.io/docs/language/settings/index.html
terraform {
  required_version = ">= 1.0.0"
  required_providers {
    kubernetes = {
      source  = "hashicorp/kubernetes"
      version = "~> 2.0"
    }
  }
}

# Documentation:  https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/service
resource "kubernetes_service" "changeme_simple_service" {
  metadata {
    name = "changeme-simple-service"
  }
  spec {
    selector = {
      app = "changeme-simple-deployment"
    }
    port {
      port        = 80
      target_port = 80
    }
  }
}

run.sh

            #!/bin/bash
../../../bin/apply.sh kubernetes