Differences

This shows you the differences between two versions of the page.

--- devplayground [2025/12/17 22:16] – [Configuring CephFS Mounts] pdonnell
+++ devplayground [2026/09/14 14:23] (current) – djgalloway
@@ Line 8: / Line 8: @@
 ^ Name                                             ^ Notes            ^
-| [[hardware:senta|senta01.front.sepia.ceph.com]]  | General purpose (currently unavailable) |
-| [[hardware:senta|senta02.front.sepia.ceph.com]]  | General purpose  |
-| [[hardware:senta|senta03.front.sepia.ceph.com]]  | General purpose  |
 | [[hardware:vossi|vossi01.front.sepia.ceph.com]]  | General purpose  |
 | [[hardware:vossi|vossi04.front.sepia.ceph.com]]  | CephFS Team      |
@@ Line 52: / Line 49: @@
 ==== Configuring CephFS Mounts ====
-The following ansible playbook can be run to setup CephFS mounts on a new developer playground machines:
+The following ansible playbook can be run to setup CephFS mounts on a new developer playground machines: https://wiki.sepia.ceph.com/doku.php?id=services:cephfs
-<code>
----
-- name: Configure Ceph Client and Mounts
-  hosts: all
-  become: true
-  vars:
-    admin_node: "doli01.front.sepia.ceph.com"
-    ceph_conf_path: "/etc/ceph/ceph.conf"
-    keyring_path: "/etc/ceph/client.sepian.keyring"
-    client_keyring_path: "/etc/ceph/keyring"
-    secret_path: "/etc/ceph/client.sepian.secret"
-    mounts:
-      - { path: "/teuthology", fstype: "ceph", src: "/teuthology-archive", mds_namespace: "teuthology", opts: "_netdev,ro" }
-      - { path: "/scratch", fstype: "ceph", src: "/", mds_namespace: "scratch", opts: "_netdev" }
-  tasks:
-    - name: "1. Gather Ceph configuration using raw commands"
-      delegate_to: "{{ admin_node }}"
-      block:
-        - name: "▶️ Get LRC fsid"
-          ansible.builtin.raw: >
-            env CEPH_KEYRING={{ keyring_path }} ceph --id sepian fsid
-          register: ceph_fsid
-          changed_when: false
-        - name: "▶️ Generate minimal ceph.conf (raw)"
-          ansible.builtin.raw: >
-            env CEPH_KEYRING={{ keyring_path }} ceph --id sepian config generate-minimal-conf
-          register: ceph_conf_content
-          changed_when: false
-        - name: "▶️ Fetch Ceph keyring (raw)"
-          ansible.builtin.raw: >
-            cat {{ keyring_path }}
-          register: keyring_content
-          changed_when: false
-        - name: "▶️ Generate client secret (raw)"
-          ansible.builtin.raw: >
-            ceph-authtool {{ keyring_path }} -n client.sepian -p
-          register: secret_content
-          changed_when: false
-        - name: "▶️ Get Ceph monitor list (raw)"
-          ansible.builtin.raw: >
-            env CEPH_KEYRING={{ keyring_path }} ceph --id sepian mon dump --format json 2>/dev/null | jq -r '[.mons[] | .public_addrs.addrvec[] | select(.type=="v1").addr] | join(",")'
-          register: mon_hosts
-          changed_when: false
-    - name: "2. Configure Ceph client files"
-      block:
-        - name: "▶️ Ensure /etc/ceph directory exists"
-          ansible.builtin.file:
-            path: "/etc/ceph"
-            state: directory
-            mode: '0755'
-        - name: "▶️ Deploy ceph.conf"
-          ansible.builtin.copy:
-            content: "{{ ceph_conf_content.stdout }}"
-            dest: "{{ ceph_conf_path }}"
-            mode: '0644'
-        - name: "▶️ Create temporary file for keyring import"
-          ansible.builtin.tempfile:
-            state: file
-            suffix: .keyring
-          register: tmp_keyring
-        - name: "▶️ Write keyring content to temporary file"
-          ansible.builtin.copy:
-            content: "{{ keyring_content.stdout }}"
-            dest: "{{ tmp_keyring.path }}"
-            mode: '0600'
-        - name: "▶️ Deploy client keyring"
-          ansible.builtin.raw: >
-            ceph-authtool {{ client_keyring_path }} --create-keyring --import-keyring {{ tmp_keyring.path }}
-        - name: "▶️ Clean up temporary keyring file"
-          ansible.builtin.file:
-            path: "{{ tmp_keyring.path }}"
-            state: absent
-        - name: "▶️ Deploy client secret file (for other tools)"
-          ansible.builtin.copy:
-            content: "{{ secret_content.stdout }}"
-            dest: "{{ secret_path }}"
-            mode: '0600'
-    - name: "3. Set up CephFS mounts"
-      block:
-        - name: "▶️ Install ceph-common on Ubuntu/Debian"
-          ansible.builtin.apt:
-            name: ceph-common
-            state: present
-            update_cache: yes
-          when: ansible_facts['os_family'] == "Debian"
-        - name: "▶️ Install Ceph Squid repo on RHEL derivatives"
-          ansible.builtin.dnf:
-            name: centos-release-ceph-squid.noarch
-            state: present
-          when: ansible_facts['os_family'] == "RedHat"
-        - name: "▶️ Install ceph-common on RHEL derivatives"
-          ansible.builtin.dnf:
-            name: ceph-common
-            state: present
-          when: ansible_facts['os_family'] == "RedHat"
-        - name: "▶️ Unmount filesystems if they currently exist"
-          ansible.posix.mount:
-            path: "{{ item.path }}"
-            state: unmounted
-          loop: "{{ mounts }}"
-        - name: "▶️ Create mount point directories"
-          ansible.builtin.file:
-            path: "{{ item.path }}"
-            state: directory
-            mode: '000'
-          loop: "{{ mounts }}"
-        - name: "▶️ Set immutable attribute on mount points"
-          ansible.builtin.file:
-            path: "{{ item.path }}"
-            attr: +i
-          loop: "{{ mounts }}"
-        - name: "▶️ Configure CephFS mounts in /etc/fstab"
-          ansible.posix.mount:
-            path: "{{ item.path }}"
-            src: "sepian@{{ ceph_fsid.stdout | trim }}.{{ item.mds_namespace }}={{ item.src }}"
-            fstype: "{{ item.fstype }}"
-            opts: "{{ item.opts }}"
-            state: mounted
-            dump: 0
-            passno: 0
-          loop: "{{ mounts }}"
-          notify: Reload Systemd
-        - name: "▶️ Create symlink for /a -> /teuthology"
-          ansible.builtin.file:
-            src: "/teuthology"
-            dest: "/a"
-            state: link
-            force: true
-    - name: "Force handlers to run before mounting"
-      ansible.builtin.meta: flush_handlers
-  handlers:
-    - name: Reload Systemd
-      listen: Reload Systemd
-      ansible.builtin.systemd:
-        daemon_reload: true
-</code>
 ==== Teuthology scheduling ====
@@ Line 223: / Line 63: @@
 active_machine_types:
   - smithi
+  - trial
+  - gibba
 EOF
 </code>
-Note: killing a run is (generally) still necessary on [[services:teuthology|teuthology VM]]. This is because teuthology-kill requires killing the test processes running there.
+Note: killing a run is (generally) still necessary on [[services:teuthology|teuthology host]]. This is because teuthology-kill requires killing the test processes running there.
 ==== Configuring LVM volumes using spare disks ====