[DPE-8310] feat: add product Terraform module

Author: imanenami

.gitignore

@@ -7,3 +7,6 @@ build/
 parts/
 prime/
 stage/
+*.tfstate*
+.terraform*
+

terraform/applications.tf

@@ -0,0 +1,14 @@
+resource "juju_application" "integrator" {
+  model = var.model
+  name  = var.integrator.app_name
+  units = var.integrator.units
+
+  charm {
+    name     = "data-integrator"
+    channel  = var.integrator.channel
+    revision = var.integrator.revision
+    base     = var.integrator.base
+  }
+
+  config = var.integrator.config
+}

terraform/integrations.tf

@@ -0,0 +1,294 @@
+# Integrations between Kafka products
+
+resource "juju_integration" "kafka_kraft" {
+  count = local.deployment_mode == "split" ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "peer-cluster-orchestrator"
+  }
+
+  application {
+    name     = module.controller[0].app_name
+    endpoint = "peer-cluster"
+  }
+}
+
+resource "juju_integration" "kafka_connect" {
+  count = var.connect.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "kafka-client"
+  }
+
+  application {
+    name = module.connect[0].app_name
+  }
+}
+
+resource "juju_integration" "kafka_karapace" {
+  count = var.karapace.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "kafka-client"
+  }
+
+  application {
+    name = module.karapace[0].app_name
+  }
+}
+
+resource "juju_integration" "kafka_ui" {
+  count = var.ui.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "kafka-client"
+  }
+
+  application {
+    name = module.ui[0].app_name
+  }
+}
+
+
+resource "juju_integration" "karapace_ui" {
+  count = var.karapace.units > 0 && var.ui.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.karapace[0].app_name
+    endpoint = "karapace"
+  }
+
+  application {
+    name = module.ui[0].app_name
+  }
+}
+
+resource "juju_integration" "kafka_connect_ui" {
+  count = var.connect.units > 0 && var.ui.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.connect[0].app_name
+    endpoint = "connect-client"
+  }
+
+  application {
+    name = module.ui[0].app_name
+  }
+}
+
+resource "juju_integration" "integrator_kafka" {
+  model = var.model
+
+  application {
+    name = juju_application.integrator.name
+  }
+
+  application {
+    name = module.broker.app_name
+  }
+}
+
+# TLS Integrations
+
+resource "juju_integration" "kafka_tls" {
+  count = local.tls_enabled ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "certificates"
+  }
+
+  application {
+    offer_url = var.tls_offer
+  }
+}
+
+resource "juju_integration" "kafka_connect_tls" {
+  count = local.tls_enabled && var.connect.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.connect[0].app_name
+    endpoint = "certificates"
+  }
+
+  application {
+    offer_url = var.tls_offer
+  }
+}
+
+resource "juju_integration" "karapace_tls" {
+  count = local.tls_enabled && var.karapace.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.karapace[0].app_name
+    endpoint = "certificates"
+  }
+
+  application {
+    offer_url = var.tls_offer
+  }
+}
+
+resource "juju_integration" "kafka_ui_ingress" {
+  count = var.ingress_offer != null && var.ui.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.ui[0].app_name
+    endpoint = "ingress"
+  }
+
+  application {
+    offer_url = var.ingress_offer
+  }
+}
+
+# COS Integrations 
+
+resource "juju_integration" "kafka_cos_metrics" {
+  count = local.cos_enabled ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "metrics-endpoint"
+  }
+
+  application {
+    offer_url = var.cos_offers.metrics
+  }
+
+}
+
+resource "juju_integration" "kafka_cos_dashboard" {
+  count = local.cos_enabled ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "grafana-dashboard"
+  }
+
+  application {
+    offer_url = var.cos_offers.dashboard
+  }
+
+}
+
+resource "juju_integration" "kafka_cos_logging" {
+  count = local.cos_enabled ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.broker.app_name
+    endpoint = "logging"
+  }
+
+  application {
+    offer_url = var.cos_offers.logging
+  }
+
+}
+
+resource "juju_integration" "kraft_cos_metrics" {
+  count = local.cos_enabled && local.deployment_mode == "split" ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.controller[0].app_name
+    endpoint = "metrics-endpoint"
+  }
+
+  application {
+    offer_url = var.cos_offers.metrics
+  }
+
+}
+
+resource "juju_integration" "kraft_cos_dashboard" {
+  count = local.cos_enabled && local.deployment_mode == "split" ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.controller[0].app_name
+    endpoint = "grafana-dashboard"
+  }
+
+  application {
+    offer_url = var.cos_offers.dashboard
+  }
+
+}
+
+resource "juju_integration" "kraft_cos_logging" {
+  count = local.cos_enabled && local.deployment_mode == "split" ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.controller[0].app_name
+    endpoint = "logging"
+  }
+
+  application {
+    offer_url = var.cos_offers.logging
+  }
+
+}
+
+resource "juju_integration" "connect_cos_metrics" {
+  count = local.cos_enabled && var.connect.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.connect[0].app_name
+    endpoint = "metrics-endpoint"
+  }
+
+  application {
+    offer_url = var.cos_offers.metrics
+  }
+
+}
+
+resource "juju_integration" "connect_cos_dashboard" {
+  count = local.cos_enabled && var.connect.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.connect[0].app_name
+    endpoint = "grafana-dashboard"
+  }
+
+  application {
+    offer_url = var.cos_offers.dashboard
+  }
+
+}
+
+resource "juju_integration" "connect_cos_logging" {
+  count = local.cos_enabled && var.connect.units > 0 ? 1 : 0
+  model = var.model
+
+  application {
+    name     = module.connect[0].app_name
+    endpoint = "logging"
+  }
+
+  application {
+    offer_url = var.cos_offers.logging
+  }
+
+}