Added Apache Guacamole entry

templates/apache-guacamole/0/README.md

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+# Apache Guacamole
+
+Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.
+We call it clientless because no plugins or client software are required.
+Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.
+
+This service uses the official Apache [http://guacamole.incubator.apache.org](https://hub.docker.com/r/glyptodon/guacamole/) Guacamole image. It also uses the official MariaDB image as its backend.
+Health checks are enabled on all services.
+## Prerequisites
+You must have the Rancher-NFS storage driver set up. This is required for persistent SQL storage, otherwise all users and connection settings will be reset on every container move.
+
+## How to use
+
+Using all default settings will work. The MySQL root password is randomly generated and has "one time password" set.
+After starting, the initial database setup will be executed by a runonce container.
+The default login will be `guacadmin/guacadmin`.
+
+This stack exposes Guacamole on port 8080 by default. You can use it as it is, or map a load balancer to it and not expose the port.
+
+Once all containers are running, Guacamole is available on `http://[container_ip]:8080/`.
+If the page is blank, try refreshing the page after 5-10 seconds, since the database container might still be initializing.

templates/apache-guacamole/0/docker-compose.yml

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+version: '2'
+volumes:
+  db:
+    driver: rancher-nfs
+services:
+  guacamole:
+    image: glyptodon/guacamole
+    environment:
+      MYSQL_HOSTNAME: database
+      MYSQL_DATABASE: ${guacamole_db}
+      MYSQL_PASSWORD: ${guacamole_password}
+      MYSQL_USER: ${guacamole_user}
+    command: 
+    - /bin/bash
+    - -c
+    - "cd /usr/local/tomcat/webapps;rm -rf ROOT/; ln -s guacamole.war ROOT.war; /opt/guacamole/bin/start.sh;"
+    ports: 
+    - ${public_port}:8080
+    links:
+    - guacd:guacd
+    depends_on: 
+    - database
+  guacd:
+    image: glyptodon/guacd
+  setup-get-db-script:
+    image: glyptodon/guacamole
+    volumes: 
+    - /docker-entrypoint-initdb.d
+    command:
+    - bash
+    - -c
+    - /opt/guacamole/bin/initdb.sh --mysql > /docker-entrypoint-initdb.d/initdb.sql
+    labels:
+      io.rancher.container.start_once: 'true'
+  database:
+    image: mariadb
+    environment:
+      MYSQL_DATABASE: ${guacamole_db}
+      MYSQL_ONETIME_PASSWORD: 'true'
+      MYSQL_PASSWORD: ${guacamole_password}
+      MYSQL_RANDOM_ROOT_PASSWORD: 'true'
+      MYSQL_USER: ${guacamole_user}
+    labels:
+      io.rancher.sidekicks: setup-get-db-script
+    depends_on: 
+    - setup-get-db-script
+    volumes_from: 
+    - setup-get-db-script
+    volumes:
+    - db:/var/lib/mysql

templates/apache-guacamole/0/rancher-compose.yml

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+version: '2'
+services:
+  guacamole:
+    scale: 1
+    health_check:
+      healthy_threshold: 2
+      response_timeout: 2000
+      port: 8080
+      unhealthy_threshold: 3
+      initializing_timeout: 60000
+      interval: 2000
+      strategy: recreate
+      request_line: GET "/guacamole" "HTTP/1.0"
+      reinitializing_timeout: 60000
+  guacd:
+    scale: 1
+    health_check:
+      healthy_threshold: 2
+      response_timeout: 2000
+      port: 4822
+      unhealthy_threshold: 3
+      initializing_timeout: 60000
+      interval: 2000
+      strategy: recreate
+      reinitializing_timeout: 60000
+  setup-get-db-script:
+    scale: 1
+  mysql:
+    scale: 1
+    health_check:
+      healthy_threshold: 2
+      response_timeout: 2000
+      port: 3306
+      unhealthy_threshold: 3
+      initializing_timeout: 60000
+      interval: 2000
+      strategy: recreate
+      reinitializing_timeout: 60000
+.catalog:
+  name: "apache-guacamole"
+  version: "0.1-rancher1"
+  description: " Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH."
+  minimum_rancher_version: v0.46.0
+  questions:
+    - variable: "guacamole_db"
+      label: "MySQL Database Name"
+      description: "Your MYSQL guacamole database name"
+      default: "guacamole_db"
+      required: true
+      type: "string"
+    - variable: "guacamole_user"
+      label: "MySQL Database User"
+      description: "Your MYSQL guacamole user name"
+      required: true
+      default: "guacamole_user"
+      type: "string"
+    - variable: "guacamole_password"
+      label: "MySQL Database Password"
+      description: "Your MYSQL guacamole user password. Defaults to \"guacamole_password\""
+      required: true
+      default: "guacamole_password"
+      type: "password"
+    - variable: "public_port"
+      label: "Public Port"
+      description: "The public port that Guacamole listens on, defaults to 8080"
+      required: true
+      default: 8080
+      type: "int"

templates/apache-guacamole/config.yml

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+name: Apache Guacamole
+description: |
+  Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.
+version: 0.1-rancher1
+category: Applications
+license: 
+maintainer: "Kevin Xu <accoleon@gmail.com>"
+projectURL: https://github.com/glyptodon/guacamole-docker