create_inventory.sh

#!/bin/bash
curl -sS master.mesos:5050/slaves/json | jq -r '.slaves[] | .hostname' >inventory.txt

weave_on_mesos.yml

---
- hosts: all
  gather_facts: no
  tasks:
  - name: install weave
    get_url: url=http://git.io/weave dest=/usr/local/bin/weave mode=0755
  - name: find my ip
    shell: ip addr show dev eth1 | egrep 'scope global' | cut -d\/ -f1 | awk '{print \$2}'
    register: self_ip
  - name: find slaves
    shell: curl -sS master.mesos:5050/slaves/json | jq -r '.slaves[] | .hostname' | egrep -v {{self_ip.stdout}}
    register: mesos_slaves
  - name: stop weave
    shell: weave stop
  - name: start weave
    shell: weave launch --ipalloc-range 192.168.0.0/16 {{ mesos_slaves.stdout_lines | join(' ') }}