~mdw / distorted-ansible / blame
| Commit | Line | Data |
|---|---|---|
| 3f6c5992 MW |
1 | ;;; -*-lisp-*- |
| 2 | ||
| 3 | ;; Set `:vm-role' and `:guests' properties based on `:vm-host' backlinks from | |
| 4 | ;; guests, and propagate `:location' and `:hypervisor' back to the guests. | |
| 5 | (defhook (prio-props) | |
| 6 | (dohosts (host) | |
| 7 | (multiple-value-bind (vmhost foundp) (hostprop host :vm-host) | |
| 8 | (when foundp | |
| 9 | (hostprop-default vmhost :vm-role :host) | |
| 10 | (hostprop-default host :vm-role :guest) | |
| 11 | (pushnew host (hostprop vmhost :guests)) | |
| 12 | (dolist (prop '(:location :hypervisor)) | |
| 13 | (multiple-value-bind (value foundp) (hostprop vmhost prop) | |
| 14 | (when foundp (hostprop-default host prop value)))))))) | |
| 15 | ||
| 16 | ;; Define groups for hosts, guests, clients, and servers. | |
| 17 | (defhook (prio-groups) | |
| 18 | (defgroup vm-hosts :predicate (host) (eq (hostprop host :vm-role) :host)) | |
| 19 | (defgroup vm-guests :predicate (host) (eq (hostprop host :vm-role) :guest)) | |
| 20 | (defgroup servers :predicate (host) (hostpropp host :server)) | |
| 21 | (defgroup clients :predicate (host) (hostpropp host :client))) | |
| 22 | ||
| 23 | ;; For each VM host, define a group for its guests. | |
| 24 | (defhook (prio-groups) | |
| 25 | (dohosts (host) | |
| 26 | (when (eq (hostprop host :vm-role) :host) | |
| 27 | (add-group (intern (concatenate 'string (string host) "-guests")) | |
| 28 | :predicate (lambda (h) (eql (hostprop h :vm-host) host)))))) | |
| 29 | ||
| 30 | ;; For each `:os' flavour, define a group of hosts running it. | |
| 31 | (defhook (prio-groups) | |
| 32 | (let ((oses nil)) | |
| 33 | (dohosts (host) | |
| 34 | (multiple-value-bind (os foundp) (hostprop host :os) | |
| 35 | (when foundp (pushnew os oses)))) | |
| 36 | (dolist (os-mut oses) | |
| 37 | (let ((os os-mut)) | |
| 38 | (add-group (intern (concatenate 'string (string os) "-hosts")) | |
| 39 | :predicate (lambda (h) (eql (hostprop h :os) os))))))) | |
| 40 | ||
| 41 | ;; For each ROLE listed in a `:server' list, define a `ROLE-servers' group. | |
| 42 | (defhook (prio-groups) | |
| 43 | (let ((server-roles nil)) | |
| 44 | (dohosts (host) | |
| 45 | (dolist (role (hostprop host :server)) | |
| 46 | (pushnew role server-roles))) | |
| 47 | (dolist (r server-roles) | |
| 48 | (let ((role r)) | |
| 49 | (add-group (intern (concatenate 'string (string role) "-servers")) | |
| 50 | :predicate (lambda (h) | |
| 51 | (member role (hostprop h :server)))))))) | |
| 52 | ||
| 53 | ;;;----- That's all, folks -------------------------------------------------- |