KASM-2035 Add support for offline installation.

- Instead of downloading the kasm_release tarball to every host directly, we copy it from the ansible host.
- Allow user to put service_images and workspace_images in `install_common/files/` to do an offline install.
- Update readme with new instructions.

.gitignore

@@ -1 +1,3 @@
 backup/
+*.tar.gz
+*.tar

README.md

@@ -47,7 +47,11 @@ It has been tested on CentOS 7.9.2009, CentOS 8.4.2105, Debian 9.13, Debian 10.1
 
 2. Open `inventory` file and fill in the hostnames / ips for the servers that will be fulfilling the agent, webapp and db roles. 
 
-3. Run the deployment.
+3. Download the Kasm Workspaces installer from https://www.kasmweb.com/downloads.html and copy it to `roles/install_common/files`. 
+    
+    Optionally, if doing an offline installation: Download and copy the workspace_images and service_images files to `roles/install_common/files`.
+   
+4. Run the deployment.
 
     `ansible-playbook -Kk -u [username] -i inventory install_kasm.yml`
 
@@ -57,9 +61,9 @@ It has been tested on CentOS 7.9.2009, CentOS 8.4.2105, Debian 9.13, Debian 10.1
 
     `ansible-playbook -u [username] -i inventory install_kasm.yml`
 
-4. Login to the deployment as admin@kasm.local using the IP of one of the WebApp servers (eg https://192.168.1.2)
+5. Login to the deployment as admin@kasm.local using the IP of one of the WebApp servers (eg https://192.168.1.2)
 
-5. Navigate to the Agents tab, and enable each Agent after it checks in. (May take a few minutes)
+6. Navigate to the Agents tab, and enable each Agent after it checks in. (May take a few minutes)
 
 ### Adding Additional Agent / Webapp hosts to an existing installation
 

roles/install_common/tasks/agent_install.yml

@@ -9,7 +9,7 @@
   delay: 5
 
 - name: Install agent role
-  command: "bash {{ tempdir.path }}/kasm_release/install.sh -S agent -e -p {{ target_ip }} -m {{ web_ip }} -M {{ manager_token }}"
+  command: "bash {{ tempdir.path }}/kasm_release/install.sh -S agent -e -p {{ target_ip }} -m {{ web_ip }} -M {{ manager_token }} {{ '-s ' ~ service_images_copy.dest if service_images_file }} {{ '-w ' ~ workspace_images_copy.dest if workspace_images_file }}"
   register: install_output
   become: true
   retries: 20

roles/install_common/tasks/copy_installer.yml

@@ -0,0 +1,39 @@
+# List of files in the files directory matching the installer, service_images, and workspace images.
+- set_fact:
+    installer_glob: "{{ lookup('fileglob', '{{role_path}}/files/kasm_workspaces_*.tar.gz', wantlist=True) }}"
+    service_images_glob: "{{ lookup('fileglob', '{{role_path}}/files/kasm_workspaces_service_images*.tar.gz', wantlist=True) }}"
+    workspace_images_glob: "{{ lookup('fileglob', '{{role_path}}/files/kasm_workspaces_workspace_images_*.tar.gz', wantlist=True) }}"
+  delegate_to: localhost
+
+- set_fact:
+    # Our installer glob search will also include service_images and workspace_images so we filter them out with difference()
+    installer_file: "{{ installer_glob | difference(service_images_glob) | difference(workspace_images_glob) | first | default(None) }}"
+    service_images_file: "{{ service_images_glob | first | default(None) }}"
+    workspace_images_file: "{{ workspace_images_glob | first | default(None) }}"
+
+- name: Assert that Kasm installer exists
+  assert:
+    that:
+      - installer_file
+    fail_msg:
+      - "Kasm installer not found"
+      - "Ensure that kasm_workspaces installer tarfile is in {{role_path}}/files/"
+
+- name: unarchive kasm installer
+  unarchive:
+    src: "{{ installer_file }}"
+    dest: "{{ tempdir.path }}"
+
+- name: Copy service images
+  copy:
+    src: "{{ service_images_file }}"
+    dest: "{{ tempdir.path }}"
+  register: service_images_copy
+  when: service_images_file
+
+- name: Copy Workspace images
+  copy:
+    src: "{{ workspace_images_file }}"
+    dest: "{{ tempdir.path }}"
+  register: workspace_images_copy
+  when: workspace_images_file

roles/install_common/tasks/db_install.yml

@@ -1,5 +1,5 @@
 - name: Install database role
-  command: "bash {{ tempdir.path }}/kasm_release/install.sh -S db -e -Q {{database_password}} -R {{redis_password}} -U {{user_password}} -P {{admin_password}} -M {{manager_token}}"
+  command: "bash {{ tempdir.path }}/kasm_release/install.sh -S db -e -Q {{database_password}} -R {{redis_password}} -U {{user_password}} -P {{admin_password}} -M {{manager_token}} {{ '-s ' ~ service_images_copy.dest if service_images_file }} {{ '-w ' ~ workspace_images_copy.dest if workspace_images_file }}"
   register: install_output
   become: true
   retries: 20

roles/install_common/tasks/main.yml

@@ -59,20 +59,8 @@
     state: present
   become: true
 
-- name: Download kasm installer
-  get_url:
-    url: "{{ kasm_installer_url }}"
-    dest: "{{ tempdir.path }}/kasm.tar.gz"
-    checksum: "{{ kasm_installer_checksum }}"
-  register: kasm_installer
-  when:
-    - not kasm_installed
-
-- name: unarchive kasm installer
-  unarchive:
-    remote_src: yes
-    src: "{{ kasm_installer.dest }}"
-    dest: "{{ tempdir.path }}"
+- include_tasks:
+    file: copy_installer.yml
   when:
     - not kasm_installed
 
@@ -108,6 +96,7 @@
   file:
     path: "{{ tempdir.path }}"
     state: absent
+  become: true
 
 - name: Print credentials
   debug:

roles/install_common/tasks/web_install.yml

@@ -11,7 +11,7 @@
     timeout: 60
 
 - name: Install web role
-  command: "bash {{ tempdir.path }}/kasm_release/install.sh -S app -e -q {{ db_ip }} -Q {{ database_password }} -R {{ redis_password }} -n {{ target_ip }}"
+  command: "bash {{ tempdir.path }}/kasm_release/install.sh -S app -e -q {{ db_ip }} -Q {{ database_password }} -R {{ redis_password }} -n {{ target_ip }} {{ '-s ' ~ service_images_copy.dest if service_images_file }} {{ '-w ' ~ workspace_images_copy.dest if workspace_images_file }}"
   register: install_output
   become: true
   retries: 20

roles/install_common/vars/main.yml

@@ -1,6 +1,3 @@
-kasm_installer_url: https://kasm-static-content.s3.amazonaws.com/kasm_release_1.9.0.077388.tar.gz
-kasm_installer_checksum: sha256:d925a20ee949ef6a9759587069983eb3a6d56b0532210e74be75894b2a5915ce
-
 # If you want custom passwords change them below, otherwise they will be auto generated and displayed
 # in a message at the end of the run.