From 52705b08ee61eebd2e61e0b47e1e3cfe2fe17598 Mon Sep 17 00:00:00 2001
From: Magic_RB <magic_rb@redalder.org>
Date: Thu, 15 Jun 2023 23:07:53 +0200
Subject: [PATCH] Add terranix config for home-assistant

Signed-off-by: Magic_RB <magic_rb@redalder.org>
---
 .../containers/home-assistant/default.nix     |  84 +++++
 terranix/containers/home-assistant/job.hcl    | 317 ++++++++++++++++++
 2 files changed, 401 insertions(+)
 create mode 100644 terranix/containers/home-assistant/default.nix
 create mode 100644 terranix/containers/home-assistant/job.hcl

diff --git a/terranix/containers/home-assistant/default.nix b/terranix/containers/home-assistant/default.nix
new file mode 100644
index 0000000..a61092b
--- /dev/null
+++ b/terranix/containers/home-assistant/default.nix
@@ -0,0 +1,84 @@
+{ elib, ... }:
+let
+  inherit (elib)
+    nfsVolume
+    nomadJob;
+
+  flake_host = "";
+  flake_rev = "";
+  flake_ref = "";
+  flake_sha = "";
+in
+{
+  resource."nomad_volume"."home-assistant_hass" = nfsVolume {
+    volume_name = "home-assistant_hass";
+    access_mode = "single-node-writer";
+    server = "blowhole.hosts.in.redalder.org";
+    share = "/var/nfs/home-assistant_hass";
+    mount_flags = [ "nfsvers=3" "hard" "async" ];
+  };
+
+  resource."nomad_volume"."home-assistant_db" = nfsVolume {
+    volume_name = "home-assistant_db";
+    access_mode = "single-node-writer";
+    server = "blowhole.hosts.in.redalder.org";
+    share = "/var/nfs/home-assistant_db";
+    mount_flags = [ "nfsvers=3" "hard" "async" ];
+  };
+
+  resource."nomad_volume"."home-assistant_zigbee2mqtt" = nfsVolume {
+    volume_name = "home-assistant_zigbee2mqtt";
+    access_mode = "single-node-writer";
+    server = "blowhole.hosts.in.redalder.org";
+    share = "/var/nfs/home-assistant_zigbee2mqtt";
+    mount_flags = [ "nfsvers=3" "hard" "async" ];
+  };
+
+  resource."nomad_volume"."home-assistant_mosquitto" = nfsVolume {
+    volume_name   = "home-assistant_mosquitto";
+    access_mode = "single-node-writer";
+    server = "blowhole.hosts.in.redalder.org";
+    share = "/var/nfs/home-assistant_mosquitto";
+    mount_flags = [ "nfsvers=3" "hard" "async" ];
+  };
+
+  resource."vault_policy"."home-assistant-policy" = {
+    name = "home-assistant-policy";
+    policy = ''
+      path "kv/data/cluster/home-assistant" {
+        capabilities = ["read"]
+      }
+    '';
+  };
+
+  resource."vault_policy"."zigbee2mqtt-policy" = {
+    name = "zigbee2mqtt-policy";
+    policy = ''
+      path "kv/data/cluster/mqtt" {
+        capabilities = ["read"]
+      }
+
+      path "kv/data/cluster/zigbee2mqtt" {
+        capabilities = ["read"]
+      }
+    '';
+  };
+
+  resource."vault_policy"."mosquitto-policy" = {
+    name = "mosquitto-policy";
+    policy = ''
+      path "kv/data/cluster/mqtt" {
+        capabilities = ["read"]
+      }
+    '';
+  };
+
+  resource."nomad_job"."home-assistant" = nomadJob {
+    jobspec = ./job.hcl;
+
+    vars = {
+      flake_ref = "${flake_host}?rev=${flake_rev}&ref=${flake_ref}";
+      flake_sha = flake_sha;
+    };
+  };
+}
diff --git a/terranix/containers/home-assistant/job.hcl b/terranix/containers/home-assistant/job.hcl
new file mode 100644
index 0000000..4afbbc5
--- /dev/null
+++ b/terranix/containers/home-assistant/job.hcl
@@ -0,0 +1,317 @@
+variable "flake_ref" {
+  type = string
+}
+
+variable "flake_sha" {
+  type = string
+}
+
+job "home-assistant" {
+  datacenters = [ "homelab-1" ]
+  type = "service"
+
+  constraint {
+    attribute = "${attr.unique.hostname}"
+    value = "blowhole"
+  }
+
+  group "zigbee2mqtt" {
+    count = 1
+
+    restart {
+      attempts = 5
+      delay = "5s"
+    }
+
+    network {
+      mode = "bridge"
+
+      port "http" {
+        static = 8456
+        to = 8456
+      }
+    }
+
+    volume "home-assistant_zigbee2mqtt" {
+      type = "csi"
+      source = "home-assistant_zigbee2mqtt"
+      read_only = false
+
+      attachment_mode = "file-system"
+      access_mode     = "single-node-writer"
+    }
+
+    service {
+      name = "zigbee2mqtt"
+      port = "8456"
+
+      connect {
+        sidecar_service {
+          proxy {
+            upstreams {
+              destination_name = "mqtt"
+              local_bind_port  = 1883
+              datacenter = "homelab-1"
+            }
+          }
+        }
+      }
+    }
+
+    task "zigbee2mqtt" {
+      driver = "docker"
+
+      vault {
+        policies = ["zigbee2mqtt-policy"]
+      }
+
+      config {
+        nix_flake_ref = "${var.flake_ref}#nixngSystems.zigbee2mqtt.config.system.build.toplevel"
+        nix_flake_sha = var.flake_sha
+        entrypoint = [ "init" ]
+
+        devices = [
+          {
+            host_path = "/dev/ttyUSB0" #"serial/by-id/usb-ITead_Sonoff_Zigbee_3.0_USB_Dongle_Plus_4c004e9c53c9eb118a9f8b4f1d69213e-if00-port0"
+            container_path = "/dev/ttyUSB0"
+          }
+        ]
+      }
+
+      resources {
+        cpu = 128
+        memory = 128
+        memory_max = 256
+      }
+
+      volume_mount {
+        volume = "home-assistant_zigbee2mqtt"
+        destination = "/var/zigbee2mqtt"
+        read_only = false
+      }
+
+      template {
+        data = <<EOF
+{{ with secret "kv/data/cluster/zigbee2mqtt" }}
+XIAOMI_HUB_ADDRESS={{ .Data.data.xiaomi_hub_address }}
+{{ end }}
+{{ with secret "kv/data/cluster/mqtt" }}
+MQTT_PASSWORD={{ .Data.data.password }}
+MQTT_USER={{ .Data.data.user }}
+{{ end }}
+EOF
+        destination = "secrets/environment"
+        env = true
+        perms = "444"
+      }
+    }
+  }
+
+  group "mqtt" {
+    count = 1
+
+    restart {
+      attempts = 5
+      delay = "5s"
+    }
+
+    network {
+      mode = "bridge"
+    }
+
+    volume "home-assistant_mosquitto" {
+      type = "csi"
+      source = "home-assistant_mosquitto"
+      read_only = false
+
+      attachment_mode = "file-system"
+      access_mode     = "single-node-writer"
+    }
+
+    service {
+      name = "mqtt"
+      port = "1883"
+
+      connect {
+        sidecar_service {}
+      }
+    }
+
+    task "mosquitto" {
+      driver = "docker"
+
+      vault {
+        policies = ["mosquitto-policy"]
+      }
+
+      config {
+        nix_flake_ref = "${var.flake_ref}#nixngSystems.mosquitto.config.system.build.toplevel"
+        nix_flake_sha = var.flake_sha
+        entrypoint = [ "init" ]
+      }
+
+      resources {
+        cpu = 128
+        memory = 128
+        memory_max = 256
+      }
+
+      volume_mount {
+        volume = "home-assistant_mosquitto"
+        destination = "/var/mosquitto"
+        read_only = false
+      }
+
+      template {
+        data = <<EOF
+{{ with secret "kv/data/cluster/mqtt" }}
+{{ .Data.data.user}}:{{ .Data.data.hash }}
+{{ end }}
+EOF
+        destination = "secrets/mqtt_password"
+        perms = "444"
+      }
+    }
+  }
+
+  group "home-assistant" {
+    count = 1
+
+    restart {
+      attempts = 5
+      delay = "5s"
+    }
+
+    network {
+      mode = "bridge"
+
+      port "http" {
+        static = 8123
+        to = 8123
+      }
+    }
+
+    volume "home-assistant_hass" {
+      type = "csi"
+      source = "home-assistant_hass"
+      read_only = false
+
+      attachment_mode = "file-system"
+      access_mode     = "single-node-writer"
+    }
+
+    volume "home-assistant_db" {
+      type = "csi"
+      source = "home-assistant_db"
+      read_only = false
+
+      attachment_mode = "file-system"
+      access_mode     = "single-node-writer"
+    }
+
+    volume "cctv" {
+      type = "host"
+      read_only = false
+      source = "cctv"
+    }
+
+    service {
+      name = "home-assistant"
+      port = "8123"
+
+      connect {
+        sidecar_service {
+          proxy {
+            upstreams {
+              destination_name = "mqtt"
+              local_bind_port  = 1883
+              datacenter = "homelab-1"
+            }
+          }
+        }
+      }
+    }
+
+    task "postgresql" {
+      driver = "docker"
+
+      volume_mount {
+        volume = "home-assistant_db"
+        destination = "/var/lib/postgresql"
+        read_only = false
+      }
+
+      config {
+        nix_flake_ref = "${var.flake_ref}#nixngSystems.home-assistantPostgresql.config.system.build.toplevel"
+        nix_flake_sha = var.flake_sha
+        entrypoint = [ "init" ]
+      }
+
+      resources {
+        cpu = 500
+        memory = 128
+        memory_max = 256
+      }
+
+      template {
+        data = <<EOF
+alter user hass with password '{{ with secret "kv/data/cluster/home-assistant" }}{{ .Data.data.pgpass }}{{ end }}';
+EOF
+        destination = "secrets/init.sql"
+      }
+
+      vault {
+        policies = ["home-assistant-policy"]
+      }
+    }
+
+    task "home-assistant" {
+      driver = "docker"
+
+      vault {
+        policies = ["home-assistant-policy"]
+      }
+
+      config {
+        nix_flake_ref = "${var.flake_ref}#nixngSystems.home-assistant.config.system.build.toplevel"
+        nix_flake_sha = var.flake_sha
+        entrypoint = [ "init" ]
+      }
+
+      resources {
+        cpu = 512
+        memory = 1024
+        memory_max = 1024
+      }
+
+      volume_mount {
+        volume = "home-assistant_hass"
+        destination = "/var/home-assistant"
+        read_only = false
+      }
+
+      volume_mount {
+        volume = "cctv"
+        destination = "/mnt/cctv"
+        read_only = false
+      }
+
+      template {
+        data = <<EOF
+{{ with secret "kv/data/cluster/home-assistant" }}
+PSQL_PASSWORD={{ .Data.data.pgpass }}
+LATITUDE={{ .Data.data.latitude }}
+LONGTITUDE={{ .Data.data.longtitude }}
+ELEVATION={{ .Data.data.elevation }}
+TIME_ZONE={{ .Data.data.time_zone }}
+ALARM_CODE={{ .Data.data.alarm_code }}
+COUNTRY={{ .Data.data.country }}
+{{ end }}
+EOF
+        destination = "secrets/environment"
+        env = true
+        perms = "400"
+      }
+    }
+  }
+}