From affc79addabce963a37f229f09ec2dc1dd0df8a3 Mon Sep 17 00:00:00 2001
From: mawalu <web@mawalabs.de>
Date: Sun, 22 Aug 2021 21:22:30 +0200
Subject: [PATCH] Initial commit

---
 .gitignore                     |  3 ++
 config/config.libsonnet        | 30 +++++++++++++++
 credentials.libsonnet.template |  4 ++
 lib/terraform.libsonnet        | 35 +++++++++++++++++
 services.jsonnet               | 68 ++++++++++++++++++++++++++++++++++
 5 files changed, 140 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 config/config.libsonnet
 create mode 100644 credentials.libsonnet.template
 create mode 100644 lib/terraform.libsonnet
 create mode 100644 services.jsonnet

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d13afd0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+credentials.libsonnet
+.idea
+out/*
diff --git a/config/config.libsonnet b/config/config.libsonnet
new file mode 100644
index 0000000..4f8c39b
--- /dev/null
+++ b/config/config.libsonnet
@@ -0,0 +1,30 @@
+local credentials = import "../credentials.libsonnet";
+local terraform = import "../lib/terraform.libsonnet";
+
+credentials + {
+    local hashIp(name) = std.substr(std.md5(name), 0, 4) + ":" + std.substr(std.md5(name), 4, 4),
+
+    local serverMeta(name, instance) = {
+        name: name,
+        publicSubdomain: name + ".infra",
+        internalSubdomain: name + ".i.infra",
+        publicDomain: self.publicSubdomain + "." + $.infraDomain,
+        internalDomain: self.internalSubdomain + $.infraDomain,
+        wireguardIp: $.ipSubnet + ":" + hashIp(name),
+        instance: instance + { name: name }
+    },
+
+    infraDomain: "m5w.de",
+    # needs to be /96
+    ipSubnet: "fdc2:d459:3f8a:84a3:coffe:coffe",
+    defaultTTL: 3600,
+    defaultZoneTTL: 86400,
+    sshKeys: {
+        martin: 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQCzXsN8jgzF51mQS5gfo4H7QKNhDKDEyXZSGen83MYw9GyIMi+AdH1fuhnYBlN2fTlHjs88otZkBMhVzE5lbkutz07j+ZpF6AdUvxqesqkXa2hdXFBRRwnG7u0Pxbi7vhr7uUWMa1WzJYynwmYBLL0yNEK6dI1qJcpwaK6v8UOZymiSJh04Sqd1LfEKd7R3BdzRCqkeKab1351OmJSswN+HRsAsDbdOIDBXpUMomvYAxJud4Wv90NcXfYikI7lhaAILBPTSUQqgTFFHhjfw9pe6Uhxb5URVS5ENjYVDyD2Lo1daZwy+sSYvA1LKZLQVEBKyx1o6SLLsuYqOuOIxiy8UEQ9vLHBdYQ+Ca0m2TruPtxEIu67WQFMBjMXcja4p516UkiuFqr0sQftI0HvVIZHS95DTK2BygkOy9Aok/fQ4IBeraN9EjIRkAB5Hn0z8vxBQMf9ZKUisMbN8nk22YpGte1RD9BFS9Swm7IE1c55QD30S6tD5z0lMUcU+ol3rOIh/013hNj9ZLsYxOtGJtIX3Xc+tIbUgXKou1sjPGQx4M2t9RRZTJ8L4l2DYw4joNoFXGiwFW586DBMw6wb9YeikA+Nuy0RFY8ytgBD5Qdh7IbF7+aA8f0ZkGHkmf/VLM1UkO5XXh3bNlz03IPcav091mAAlu/OHCdOhN54V9vE1FQ== cardno:4268913'
+    },
+    servers: [
+        serverMeta("dust2", terraform.HcloudInstance {
+           server_type: "cx11"
+        })
+    ]
+}
diff --git a/credentials.libsonnet.template b/credentials.libsonnet.template
new file mode 100644
index 0000000..c202df4
--- /dev/null
+++ b/credentials.libsonnet.template
@@ -0,0 +1,4 @@
+{
+    hcloudToken: "",
+    hdnsToken: ""
+}
diff --git a/lib/terraform.libsonnet b/lib/terraform.libsonnet
new file mode 100644
index 0000000..1d51d61
--- /dev/null
+++ b/lib/terraform.libsonnet
@@ -0,0 +1,35 @@
+local config = import "../config/config.libsonnet";
+
+{
+    local terraform = self,
+    local rname (server, suffix) = "host_" + server.name + "_" + suffix,
+
+    HcloudInstance:: {
+        name: error "Instance must have field: name",
+        image: "debian-11",
+        server_type: error "Instance must have field: server_type",
+        location: "fsn1"
+    },
+
+    HcloudSSHKey:: {
+        name: error "Key must have field: name",
+        public_key: error "Key must have field: public_key",
+        labels: { source: "terraform" }
+    },
+
+    HdnsRecord:: {
+        zone_id: "${hetznerdns_zone.infra.id}",
+        name: error "Record must have field: name",
+        value: error "Record must have field: value",
+        type: error "Record must have field: type",
+        ttl: config.defaultTTL
+    },
+
+    serverDnsRecords: function (s) {
+        local attr (s, n) = "${hcloud_server." + s.name + "." + n + "}",
+
+        [rname(s, "A")]: terraform.HdnsRecord{ name: s.publicSubdomain, value: attr(s, "ipv4_address"), type: "A" },
+        [rname(s, "AAAA")]: terraform.HdnsRecord{ name: s.publicSubdomain, value: attr(s, "ipv6_address"), type: "AAAA" },
+        [rname(s, "VPN")]: terraform.HdnsRecord{ name: s.internalSubdomain, value: s.wireguardIp, type: "AAAA" },
+    }
+}
diff --git a/services.jsonnet b/services.jsonnet
new file mode 100644
index 0000000..d3f20c0
--- /dev/null
+++ b/services.jsonnet
@@ -0,0 +1,68 @@
+local terraform = import "lib/terraform.libsonnet";
+local config = import "config/config.libsonnet";
+
+{
+    "terraform.tf.json": std.manifestJson({
+        terraform: {
+            required_providers: {
+                hcloud: {
+                    source: "hetznercloud/hcloud",
+                    version: "1.30.0"
+                },
+                hetznerdns: {
+                    source: "timohirt/hetznerdns",
+                    version: "1.1.1"
+                }
+            }
+        },
+
+        provider: {
+            hcloud: {
+                token: config.hcloudToken
+            },
+            hetznerdns: {
+                apitoken: config.hdnsToken
+            }
+        },
+
+        resource: {
+            hcloud_ssh_key: {
+                [k]: terraform.HcloudSSHKey { name: k, public_key: config.sshKeys[k] }
+                for k in std.objectFields(config.sshKeys)
+            },
+            hcloud_server: {
+                [s.name]: s.instance
+                for s in config.servers
+            },
+            hetznerdns_zone: {
+                infra: { name: config.infraDomain, ttl: config.defaultZoneTTL },
+            },
+            hetznerdns_record: std.foldl(function (a, b) a + b, [
+                terraform.serverDnsRecords(s)
+                for s in config.servers
+            ], {})
+        }
+    }),
+    "inventory.yaml": std.manifestYamlDoc({
+        all: {
+            hosts: {
+                [s.name]: s + {
+                    ansible_host: s.publicDomain,
+                    ansible_user: "root"
+                }
+                for s in config.servers
+            }
+        }
+    }),
+    "site.yaml": std.manifestYamlDoc([
+        {
+            name: "Test command",
+            hosts: "all",
+            tasks: [
+                {
+                    "ansible.builtin.command": "ls"
+                }
+            ]
+        }
+    ])
+}