Install K9s on the seed (#569)

playbooks/provision_cluster.yml

@@ -20,6 +20,9 @@
         - include_role:
             name: stackhpc.azimuth_ops.k3s
 
+        - include_role:
+            name: stackhpc.azimuth_ops.k9s
+
         - name: Get installed Kubernetes version
           command: k3s kubectl version --output json
           changed_when: false

roles/k9s/defaults/main.yml

@@ -0,0 +1,19 @@
+---
+
+# The K9s repo
+k9s_repo: https://github.com/derailed/k9s
+# The K9s version to download
+k9s_version: v0.32.5
+# The OS variant and architecture to use
+# See https://github.com/derailed/k9s/releases for the available options
+k9s_os: "{{ ansible_system }}"
+k9s_architecture: "{{ 'amd64' if ansible_architecture == 'x86_64' else ansible_architecture }}"
+# The name of the K9s archive
+k9s_archive_name: "k9s_{{ k9s_os }}_{{ k9s_architecture }}.tar.gz"
+# The URL of the K9s archive to download
+k9s_archive_url: "{{ k9s_repo }}/releases/download/{{ k9s_version }}/{{ k9s_archive_name }}"
+
+# The directory into which the K9s archive should be unpacked
+k9s_unpack_directory: "/opt/k9s/{{ k9s_version }}"
+# The directory into which the K9s binary should be placed
+k9s_bin_directory: /usr/local/bin

roles/k9s/tasks/main.yml

@@ -0,0 +1,29 @@
+---
+
+- name: Ensure unpack directory exists
+  file:
+    path: "{{ k9s_unpack_directory }}"
+    state: directory
+
+- name: Download and extract K9s archive
+  unarchive:
+    remote_src: yes
+    src: "{{ k9s_archive_url }}"
+    dest: "{{ k9s_unpack_directory }}"
+
+- name: Ensure binary directory exists
+  file:
+    path: "{{ k9s_bin_directory }}"
+    state: directory
+
+- name: Copy executable to binary directory
+  copy:
+    remote_src: yes
+    src: "{{ (k9s_unpack_directory, 'k9s') | path_join }}"
+    dest: "{{ k9s_bin_directory }}"
+    mode: u=rwx,g=rw,o=rx
+
+- name: Ensure K9s shell completions are in .bashrc
+  lineinfile:
+    path: "{{ ansible_env.HOME }}/.bashrc"
+    line: source <(k9s completion bash)