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etcd: charm: "cs:~containers/etcd" {% if k8.feature.loadbalancer %} num_units: 3 {% else %} num_units: 1 {% endif %} to: {% if k8.feature.loadbalancer %} {% for unit_id in to_select() %} - "nodes/{{ unit_id }}" {% endfor %} {% else %} - "nodes/0" {% endif %}