Merge pull request #208196 from s1341/init_kasmweb

kasmweb: init at 1.12.0

3 files changed, 390 insertions, 0 deletions

diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index b2e80b10fc24..3092b021bd9a 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -1141,6 +1141,7 @@
   ./services/web-apps/isso.nix
   ./services/web-apps/jirafeau.nix
   ./services/web-apps/jitsi-meet.nix
+  ./services/web-apps/kasmweb/default.nix
   ./services/web-apps/keycloak.nix
   ./services/web-apps/komga.nix
   ./services/web-apps/lemmy.nix
diff --git a/nixos/modules/services/web-apps/kasmweb/default.nix b/nixos/modules/services/web-apps/kasmweb/default.nix
new file mode 100644
index 000000000000..0d78025ecf0f
--- /dev/null
+++ b/nixos/modules/services/web-apps/kasmweb/default.nix
@@ -0,0 +1,275 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.kasmweb;
+in
+{
+  options.services.kasmweb = {
+    enable = lib.mkEnableOption (lib.mdDoc "kasmweb");
+
+    networkSubnet = lib.mkOption {
+      default = "172.20.0.0/16";
+      type = lib.types.str;
+      description = lib.mdDoc ''
+        The network subnet to use for the containers.
+      '';
+    };
+
+    postgres = {
+      user = lib.mkOption {
+        default = "kasmweb";
+        type = lib.types.str;
+        description = lib.mdDoc ''
+          Username to use for the postgres database.
+        '';
+      };
+      password = lib.mkOption {
+        default = "kasmweb";
+        type = lib.types.str;
+        description = lib.mdDoc ''
+          password to use for the postgres database.
+        '';
+      };
+    };
+
+    redisPassword = lib.mkOption {
+      default = "kasmweb";
+      type = lib.types.str;
+      description = lib.mdDoc ''
+        password to use for the redis cache.
+      '';
+    };
+
+    defaultAdminPassword = lib.mkOption {
+      default = "kasmweb";
+      type = lib.types.str;
+      description = lib.mdDoc ''
+        default admin password to use.
+      '';
+    };
+
+    defaultUserPassword = lib.mkOption {
+      default = "kasmweb";
+      type = lib.types.str;
+      description = lib.mdDoc ''
+        default user password to use.
+      '';
+    };
+
+    defaultManagerToken = lib.mkOption {
+      default = "kasmweb";
+      type = lib.types.str;
+      description = lib.mdDoc ''
+        default manager token to use.
+      '';
+    };
+
+    defaultGuacToken = lib.mkOption {
+      default = "kasmweb";
+      type = lib.types.str;
+      description = lib.mdDoc ''
+        default guac token to use.
+      '';
+    };
+
+    defaultRegistrationToken = lib.mkOption {
+      default = "kasmweb";
+      type = lib.types.str;
+      description = lib.mdDoc ''
+        default registration token to use.
+      '';
+    };
+
+    datastorePath = lib.mkOption {
+      type = lib.types.str;
+      default = "/var/lib/kasmweb";
+      description = lib.mdDoc ''
+        The directory used to store all data for kasmweb.
+      '';
+    };
+
+    listenAddress = lib.mkOption {
+      type = lib.types.str;
+      default = "0.0.0.0";
+      description = lib.mdDoc ''
+        The address on which kasmweb should listen.
+      '';
+    };
+
+    listenPort = lib.mkOption {
+      type = lib.types.int;
+      default = 443;
+      description = lib.mdDoc ''
+        The port on which kasmweb should listen.
+      '';
+    };
+
+    sslCertificate = lib.mkOption {
+      type = lib.types.nullOr lib.types.path;
+      default = null;
+      description = lib.mdDoc ''
+        The SSL certificate to be used for kasmweb.
+      '';
+    };
+
+    sslCertificateKey = lib.mkOption {
+      type = lib.types.nullOr lib.types.path;
+      default = null;
+      description = lib.mdDoc ''
+        The SSL certificate's key to be used for kasmweb. Make sure to specify
+        this as a string and not a literal path, so that it is not accidentally
+        included in your nixstore.
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+
+    systemd.services = {
+      "init-kasmweb" = {
+        wantedBy = [
+          "docker-kasm_db.service"
+        ];
+        before = [
+          "docker-kasm_db.service"
+          "docker-kasm_redis.service"
+          "docker-kasm_db_init.service"
+          "docker-kasm_api.service"
+          "docker-kasm_agent.service"
+          "docker-kasm_manager.service"
+          "docker-kasm_share.service"
+          "docker-kasm_guac.service"
+          "docker-kasm_proxy.service"
+        ];
+        serviceConfig = {
+          Type = "oneshot";
+          ExecStart = pkgs.substituteAll {
+            src = ./initialize_kasmweb.sh;
+            isExecutable = true;
+            binPath = lib.makeBinPath [ pkgs.docker pkgs.openssl pkgs.gnused ];
+            runtimeShell = pkgs.runtimeShell;
+            kasmweb = pkgs.kasmweb;
+            postgresUser = cfg.postgres.user;
+            postgresPassword = cfg.postgres.password;
+            inherit (cfg)
+              datastorePath
+              sslCertificate
+              sslCertificateKey
+              redisPassword
+              defaultUserPassword
+              defaultAdminPassword
+              defaultManagerToken
+              defaultRegistrationToken
+              defaultGuacToken;
+          };
+        };
+      };
+    };
+
+    virtualisation = {
+      oci-containers.containers = {
+        kasm_db = {
+          image = "postgres:12-alpine";
+          environment = {
+            POSTGRES_PASSWORD = cfg.postgres.password;
+            POSTGRES_USER = cfg.postgres.user;
+            POSTGRES_DB = "kasm";
+          };
+          volumes = [
+            "${cfg.datastorePath}/conf/database/data.sql:/docker-entrypoint-initdb.d/data.sql"
+            "${cfg.datastorePath}/conf/database/:/tmp/"
+            "kasmweb_db:/var/lib/postgresql/data"
+          ];
+          extraOptions = [ "--network=kasm_default_network" ];
+        };
+        kasm_db_init = {
+          image = "kasmweb/api:${pkgs.kasmweb.version}";
+          user = "root:root";
+          volumes = [
+            "${cfg.datastorePath}/:/opt/kasm/current/"
+            "kasmweb_api_data:/tmp"
+          ];
+          dependsOn = [ "kasm_db" ];
+          entrypoint = "/bin/bash";
+          cmd = [ "/opt/kasm/current/init_seeds.sh" ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host" ];
+        };
+        kasm_redis = {
+          image = "redis:5-alpine";
+          entrypoint = "/bin/sh";
+          cmd = [
+            "-c"
+            "redis-server --requirepass ${cfg.redisPassword}"
+          ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host" ];
+        };
+        kasm_api = {
+          image = "kasmweb/api:${pkgs.kasmweb.version}";
+          user = "root:root";
+          volumes = [
+            "${cfg.datastorePath}/:/opt/kasm/current/"
+            "kasmweb_api_data:/tmp"
+          ];
+          dependsOn = [ "kasm_db_init" ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host"  ];
+        };
+        kasm_manager = {
+          image = "kasmweb/manager:${pkgs.kasmweb.version}";
+          user = "root:root";
+          volumes = [
+            "${cfg.datastorePath}/:/opt/kasm/current/"
+          ];
+          dependsOn = [ "kasm_db" "kasm_api" ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host" "--read-only"];
+        };
+        kasm_agent = {
+          image = "kasmweb/agent:${pkgs.kasmweb.version}";
+          user = "root:root";
+          volumes = [
+            "${cfg.datastorePath}/:/opt/kasm/current/"
+            "/var/run/docker.sock:/var/run/docker.sock"
+            "${pkgs.docker}/bin/docker:/usr/bin/docker"
+            "${cfg.datastorePath}/conf/nginx:/etc/nginx/conf.d"
+          ];
+          dependsOn = [ "kasm_manager" ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host" "--read-only" ];
+        };
+        kasm_share = {
+          image = "kasmweb/share:${pkgs.kasmweb.version}";
+          user = "root:root";
+          volumes = [
+            "${cfg.datastorePath}/:/opt/kasm/current/"
+          ];
+          dependsOn = [ "kasm_db" "kasm_redis" ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host" "--read-only" ];
+        };
+        kasm_guac = {
+          image = "kasmweb/kasm-guac:${pkgs.kasmweb.version}";
+          user = "root:root";
+          volumes = [
+            "${cfg.datastorePath}/:/opt/kasm/current/"
+          ];
+          dependsOn = [ "kasm_db" "kasm_redis" ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host" "--read-only" ];
+        };
+        kasm_proxy = {
+          image = "kasmweb/nginx:latest";
+          ports = [ "${cfg.listenAddress}:${toString cfg.listenPort}:443" ];
+          user = "root:root";
+          volumes = [
+            "${cfg.datastorePath}/conf/nginx:/etc/nginx/conf.d:ro"
+            "${cfg.datastorePath}/certs/kasm_nginx.key:/etc/ssl/private/kasm_nginx.key"
+            "${cfg.datastorePath}/certs/kasm_nginx.crt:/etc/ssl/certs/kasm_nginx.crt"
+            "${cfg.datastorePath}/www:/srv/www:ro"
+            "${cfg.datastorePath}/log/nginx:/var/log/external/nginx"
+            "${cfg.datastorePath}/log/logrotate:/var/log/external/logrotate"
+          ];
+          dependsOn = [ "kasm_manager" "kasm_api" "kasm_agent" "kasm_share"
+          "kasm_guac" ];
+          extraOptions = [ "--network=kasm_default_network" "--userns=host"
+          "--network-alias=proxy"];
+        };
+      };
+    };
+  };
+}
diff --git a/nixos/modules/services/web-apps/kasmweb/initialize_kasmweb.sh b/nixos/modules/services/web-apps/kasmweb/initialize_kasmweb.sh
new file mode 100644
index 000000000000..dbf043b98693
--- /dev/null
+++ b/nixos/modules/services/web-apps/kasmweb/initialize_kasmweb.sh
@@ -0,0 +1,114 @@
+#! @runtimeShell@
+export PATH=@binPath@:$PATH
+
+mkdir -p @datastorePath@/log
+chmod -R a+rw @datastorePath@
+
+ln -sf @kasmweb@/bin @datastorePath@
+rm -r @datastorePath@/conf
+cp -r @kasmweb@/conf @datastorePath@
+mkdir -p @datastorePath@/conf/nginx/containers.d
+chmod -R a+rw @datastorePath@/conf
+ln -sf @kasmweb@/www @datastorePath@
+
+
+docker network inspect kasm_default_network >/dev/null || docker network create kasm_default_network --subnet @networkSubnet@
+if docker volume inspect kasmweb_db >/dev/null; then
+    source @datastorePath@/ids.env
+    echo 'echo "skipping database init"' > @datastorePath@/init_seeds.sh
+    echo 'while true; do sleep 10 ; done' >> @datastorePath@/init_seeds.sh
+else
+    API_SERVER_ID=$(cat /proc/sys/kernel/random/uuid)
+    MANAGER_ID=$(cat /proc/sys/kernel/random/uuid)
+    SHARE_ID=$(cat /proc/sys/kernel/random/uuid)
+    SERVER_ID=$(cat /proc/sys/kernel/random/uuid)
+    echo "export API_SERVER_ID=$API_SERVER_ID" > @datastorePath@/ids.env
+    echo "export MANAGER_ID=$MANAGER_ID" >> @datastorePath@/ids.env
+    echo "export SHARE_ID=$SHARE_ID" >> @datastorePath@/ids.env
+    echo "export SERVER_ID=$SERVER_ID" >> @datastorePath@/ids.env
+
+    mkdir -p @datastorePath@/certs
+    openssl req -x509 -nodes -days 1825 -newkey rsa:2048 -keyout @datastorePath@/certs/kasm_nginx.key -out @datastorePath@/certs/kasm_nginx.crt -subj "/C=US/ST=VA/L=None/O=None/OU=DoFu/CN=$(hostname)/emailAddress=none@none.none" 2> /dev/null
+
+    docker volume create kasmweb_db
+    rm @datastorePath@/.done_initing_data
+    cat >@datastorePath@/init_seeds.sh <<EOF
+#!/bin/bash
+if [ ! -e /opt/kasm/current/.done_initing_data ]; then
+  sleep 4
+  /usr/bin/kasm_server.so --initialize-database --cfg \
+    /opt/kasm/current/conf/app/api.app.config.yaml \
+    --populate-production \
+    --seed-file \
+    /opt/kasm/current/conf/database/seed_data/default_properties.yaml \
+    2>&1 | grep -v UserWarning
+  /usr/bin/kasm_server.so --cfg \
+    /opt/kasm/current/conf/app/api.app.config.yaml \
+    --populate-production \
+    --seed-file \
+    /opt/kasm/current/conf/database/seed_data/default_agents.yaml \
+    2>&1 | grep -v UserWarning
+  /usr/bin/kasm_server.so --cfg \
+    /opt/kasm/current/conf/app/api.app.config.yaml \
+    --populate-production \
+    --seed-file \
+    /opt/kasm/current/conf/database/seed_data/default_connection_proxies.yaml \
+    2>&1 | grep -v UserWarning
+  /usr/bin/kasm_server.so --cfg \
+    /opt/kasm/current/conf/app/api.app.config.yaml \
+    --populate-production \
+    --seed-file \
+    /opt/kasm/current/conf/database/seed_data/default_images_amd64.yaml \
+    2>&1 | grep -v UserWarning
+  touch /opt/kasm/current/.done_initing_data
+  while true; do sleep 10 ; done
+else
+ echo "skipping database init"
+  while true; do sleep 10 ; done
+fi
+EOF
+fi
+
+chmod +x @datastorePath@/init_seeds.sh
+chmod a+w @datastorePath@/init_seeds.sh
+
+if [ -e @sslCertificate@ ]; then
+    cp @sslCertificate@ @datastorePath@/certs/kasm_nginx.crt
+    cp @sslCertificateKey@ @datastorePath@/certs/kasm_nginx.key
+fi
+
+sed -i -e "s/username.*/username: @postgresUser@/g" \
+    -e "s/password.*/password: @postgresPassword@/g" \
+    -e "s/host.*db/host: kasm_db/g" \
+    -e "s/ssl: true/ssl: false/g" \
+    -e "s/redisPassword.*/redisPassword: @redisPassword@/g" \
+    -e "s/server_hostname.*/server_hostname: kasm_api/g" \
+    -e "s/server_id.*/server_id: $API_SERVER_ID/g" \
+    -e "s/manager_id.*/manager_id: $MANAGER_ID/g" \
+    -e "s/share_id.*/share_id: $SHARE_ID/g" \
+    @datastorePath@/conf/app/api.app.config.yaml
+
+sed -i -e "s/ token:.*/ token: \"@defaultManagerToken@\"/g" \
+    -e "s/hostnames: \['proxy.*/hostnames: \['kasm_proxy'\]/g" \
+    -e "s/server_id.*/server_id: $SERVER_ID/g" \
+    @datastorePath@/conf/app/agent.app.config.yaml
+
+
+sed -i -e "s/password: admin.*/password: \"@defaultAdminPassword@\"/g" \
+    -e "s/password: user.*/password: \"@defaultUserPassword@\"/g" \
+    -e "s/default-manager-token/@defaultManagerToken@/g" \
+    -e "s/default-registration-token/@defaultRegistrationToken@/g" \
+    -e "s/upstream_auth_address:.*/upstream_auth_address: 'proxy'/g" \
+    @datastorePath@/conf/database/seed_data/default_properties.yaml
+
+sed -i -e "s/GUACTOKEN/@defaultGuacToken@/g" \
+    -e "s/APIHOSTNAME/proxy/g" \
+    @datastorePath@/conf/app/kasmguac.app.config.yaml
+
+sed -i -e "s/GUACTOKEN/@defaultGuacToken@/g" \
+    -e "s/APIHOSTNAME/proxy/g" \
+    @datastorePath@/conf/database/seed_data/default_connection_proxies.yaml
+
+sed -i "s/00000000-0000-0000-0000-000000000000/$SERVER_ID/g" \
+    @datastorePath@/conf/database/seed_data/default_agents.yaml
+