I recently had occasion to check what's actually written in the association agreement. I see why Russia wasn't thrilled.
GEN - 3_ua_title_ii_pol_dialogue_reform_pol_assoc_coop_convergence_in_fsp_en.pdf

ARTICLE 7
Foreign and security policy
1.The Parties shall intensify their dialogue and cooperation and promote gradual convergence in the area of foreign and security policy, including the Common Security and Defence Policy (CSDP), and shall address in particular issues of conflict prevention and crisis management, regional stability, disarmament, non-proliferation, arms control and arms export control as well as enhanced mutually-beneficial dialogue in the field of space. Cooperation will be based on common values and mutual interests, and shall aim at increasing policy convergence and effectiveness, and promoting joint policy planning. To this end, the Parties shall make use of bilateral, international and regional fora.