87860b5 luci: Support method attribute for fence ipmilan

Authored and Committed by rmccabe 5 years ago
    luci: Support method attribute for fence ipmilan
    
    Support the method to fence attribute (onoff|cycle) for fence_ipmilan,
    fence_ilo3, fence_ilo4, fence_imm, and fence_idrac.
    
    Signed-off-by: Ryan McCabe <rmccabe@redhat.com>