Updated for https://discourse.charmhub.io/t/introducing-the-juju-terraform-provider/6939

k8s-example.tf

terraform {
  required_providers {
    juju = {
      source  = "juju/juju"
      version = "0.18.0"
    }
  }
}
provider "juju" {}

resource "juju_model" "development" {
  name = "dev"
}

resource "juju_application" "hello-kubecon" {
  name  = "hello-kubecon"
  model = juju_model.development.name

  charm {
    name = "hello-kubecon"
  }
}

resource "juju_application" "zinc" {
  name  = "zinc"
  model = juju_model.development.name
  trust = true

  charm {
    name = "zinc-k8s"
  }
}

resource "juju_application" "grafana" {
  name  = "grafana"
  model = juju_model.development.name
  trust = true

  charm {
    name    = "grafana-k8s"
    channel = "latest/stable"
  }
}

resource "juju_application" "prometheus" {
  name  = "prometheus"
  model = juju_model.development.name
  trust = true

  charm {
    name    = "prometheus-k8s"
    channel = "latest/stable"
  }
}

resource "juju_application" "parca" {
  name  = "parca"
  model = juju_model.development.name
  trust = true

  charm {
    name    = "parca-k8s"
    channel = "latest/stable"
  }

  config = {
    enable-persistence = "true"
  }
}

resource "juju_integration" "prometheus-grafana" {
  model = juju_model.development.name

  application {
    name     = juju_application.prometheus.name
    endpoint = "grafana-source"
  }

  application {
    name     = juju_application.grafana.name
    endpoint = "grafana-source"
  }
}

resource "juju_integration" "prometheus-zinc" {
  model = juju_model.development.name

  application {
    name = juju_application.prometheus.name
  }

  application {
    name = juju_application.zinc.name
  }
}

resource "juju_integration" "grafana-zinc" {
  model = juju_model.development.name

  application {
    name = juju_application.grafana.name
  }

  application {
    name = juju_application.zinc.name
  }
}

resource "juju_integration" "parca-zinc" {
  model = juju_model.development.name

  application {
    name = juju_application.parca.name
  }

  application {
    name = juju_application.zinc.name
  }
}

resource "juju_integration" "parca-prometheus" {
  model = juju_model.development.name

  application {
    name = juju_application.prometheus.name
  }

  application {
    name = juju_application.parca.name
  }
}