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0445c988e2
This really needs to be per-node. The rename is because nodes with this tunable switched on should drop IPs if they become unhealthy (or disabled in some other way). * Add new flag NODE_FLAGS_NOIPHOST, only used in recovery daemon. * Enhance set_ipflags_internal() and set_ipflags() to setup NODE_FLAGS_NOIPHOST depending on setting of NoIPHostOnAllDisabled and/or whether nodes are disabled/inactive. * Replace can_node_servce_ip() with functions can_node_host_ip() and can_node_takeover_ip(). These functions are the only ones that need to look at NODE_FLAGS_NOIPTAKEOVER and NODE_FLAGS_NOIPHOST. They can make the decision without looking at any other flags due to previous setup. * Remove explicit flag checking in IP allocation functions (including unassign_unsuitable_ips()) and just call can_node_host_ip() and can_node_takeover_ip() as appropriate. * Update test code to handle CTDB_SET_NoIPHostOnAllDisabled. Signed-off-by: Martin Schwenke <martin@meltin.net> Pair-programmed-with: Amitay Isaacs <amitay@gmail.com> (This used to be ctdb commit 1308a51f73f2e29ba4dbebb6111d9309a89732cc)