From c6a4814bdfec4dbf512a51da73364a5d0e714d77 Mon Sep 17 00:00:00 2001
From: Pim Kunis <pim@kunis.nl>
Date: Fri, 29 Mar 2024 10:24:54 +0100
Subject: [PATCH] port hedgedoc to kubernetes (albeit disabled)

---
 docker_swarm/playbooks/stacks.yml             |   1 -
 .../roles/traefik/docker-stack.yml.j2         |   6 +
 nix/flake/kubenix/default.nix                 |   1 +
 nix/flake/kubenix/hedgedoc.nix                | 138 ++++++++++++++++++
 4 files changed, 145 insertions(+), 1 deletion(-)
 create mode 100644 nix/flake/kubenix/hedgedoc.nix

diff --git a/docker_swarm/playbooks/stacks.yml b/docker_swarm/playbooks/stacks.yml
index d261901..5c68cc5 100644
--- a/docker_swarm/playbooks/stacks.yml
+++ b/docker_swarm/playbooks/stacks.yml
@@ -4,7 +4,6 @@
   roles:
     - {role: traefik, tags: traefik}
     - {role: forgejo, tags: forgejo}
-    - {role: hedgedoc, tags: hedgedoc}
     - {role: swarm_dashboard, tags: swarm_dashboard}
     - {role: nextcloud, tags: nextcloud}
     - {role: kitchenowl, tags: kitchenowl}
diff --git a/docker_swarm/roles/traefik/docker-stack.yml.j2 b/docker_swarm/roles/traefik/docker-stack.yml.j2
index daeac2a..1d8f467 100644
--- a/docker_swarm/roles/traefik/docker-stack.yml.j2
+++ b/docker_swarm/roles/traefik/docker-stack.yml.j2
@@ -90,6 +90,12 @@ services:
         - traefik.http.routers.pihole.rule=Host(`pihole.kun.is`)
         - traefik.http.routers.pihole.tls=true
         - traefik.http.routers.pihole.tls.certresolver=letsencrypt
+
+        - traefik.http.routers.hedgedoc.entrypoints=websecure
+        - traefik.http.routers.hedgedoc.service=k3s@file
+        - traefik.http.routers.hedgedoc.rule=Host(`md.kun.is`)
+        - traefik.http.routers.hedgedoc.tls=true
+        - traefik.http.routers.hedgedoc.tls.certresolver=letsencrypt
     volumes:
       - type: bind
         source: /var/run/docker.sock
diff --git a/nix/flake/kubenix/default.nix b/nix/flake/kubenix/default.nix
index c76c76a..a3745cd 100644
--- a/nix/flake/kubenix/default.nix
+++ b/nix/flake/kubenix/default.nix
@@ -15,6 +15,7 @@
           ./syncthing.nix
           ./nextcloud.nix
           ./pihole.nix
+          # ./hedgedoc.nix
         ];
         kubernetes.kubeconfig = "~/.kube/config";
         kubenix.project = "home";
diff --git a/nix/flake/kubenix/hedgedoc.nix b/nix/flake/kubenix/hedgedoc.nix
new file mode 100644
index 0000000..7d2f565
--- /dev/null
+++ b/nix/flake/kubenix/hedgedoc.nix
@@ -0,0 +1,138 @@
+{
+  kubernetes.resources = {
+    configMaps = {
+      hedgedoc-env.data = {
+        CMD_DOMAIN = "md.kun.is";
+        CMD_PORT = "3000";
+        CMD_URL_ADDPORT = "false";
+        CMD_ALLOW_ANONYMOUS = "true";
+        CMD_ALLOW_EMAIL_REGISTER = "false";
+        CMD_PROTOCOL_USESSL = "true";
+        CMD_CSP_ENABLE = "false";
+      };
+
+      # TODO: convert from nix
+      hedgedoc-config.data.config = ''
+        {
+          "useSSL": false
+        }
+      '';
+    };
+
+    secrets.hedgedoc.stringData = {
+      databaseURL = "ref+file:///home/pim/.config/home/vals.yaml#/hedgedoc/databaseURL";
+      sessionSecret = "ref+file:///home/pim/.config/home/vals.yaml#/hedgedoc/sessionSecret";
+    };
+
+    deployments.hedgedoc = {
+      metadata.labels.app = "hedgedoc";
+
+      spec = {
+        selector.matchLabels.app = "hedgedoc";
+
+        template = {
+          metadata.labels.app = "hedgedoc";
+
+          spec = {
+            containers.hedgedoc = {
+              image = "quay.io/hedgedoc/hedgedoc:1.9.7";
+              envFrom = [{ configMapRef.name = "hedgedoc-env"; }];
+
+              ports = [{
+                containerPort = 3000;
+                protocol = "TCP";
+              }];
+
+              env = [
+                {
+                  name = "CMD_DB_URL";
+
+                  valueFrom.secretKeyRef = {
+                    name = "hedgedoc";
+                    key = "databaseURL";
+                  };
+                }
+                {
+                  name = "CMD_SESSION_SECRET";
+
+                  valueFrom.secretKeyRef = {
+                    name = "hedgedoc";
+                    key = "sessionSecret";
+                  };
+                }
+              ];
+
+              volumeMounts = [
+                {
+                  name = "uploads";
+                  mountPath = "/hedgedoc/public/uploads";
+                }
+                {
+                  name = "config";
+                  mountPath = "/hedgedoc/config.json";
+                  subPath = "config";
+                }
+              ];
+            };
+
+            volumes = [
+              {
+                name = "uploads";
+                persistentVolumeClaim.claimName = "hedgedoc";
+              }
+              {
+                name = "config";
+                configMap.name = "hedgedoc-config";
+              }
+            ];
+          };
+        };
+      };
+    };
+
+    persistentVolumes.hedgedoc.spec = {
+      capacity.storage = "1Mi";
+      accessModes = [ "ReadWriteMany" ];
+
+      nfs = {
+        server = "lewis.hyp";
+        path = "/mnt/data/nfs/hedgedoc/uploads";
+      };
+    };
+
+    persistentVolumeClaims.hedgedoc.spec = {
+      accessModes = [ "ReadWriteMany" ];
+      storageClassName = "";
+      resources.requests.storage = "1Mi";
+      volumeName = "hedgedoc";
+    };
+
+    services.hedgedoc.spec = {
+      selector.app = "hedgedoc";
+
+      ports = [{
+        protocol = "TCP";
+        port = 80;
+        targetPort = 3000;
+      }];
+    };
+
+    ingresses.hedgedoc.spec = {
+      ingressClassName = "traefik";
+
+      rules = [{
+        host = "md.kun.is";
+
+        http.paths = [{
+          path = "/";
+          pathType = "Prefix";
+
+          backend.service = {
+            name = "hedgedoc";
+            port.number = 80;
+          };
+        }];
+      }];
+    };
+  };
+}