6ddae42c0d
As nodes will race to initially create the VIP primitive, they will likely hit some failure because only one can obviously create it. Once it's created, there's no issue as there's a check for existence.
24 lines
813 B
Ruby
24 lines
813 B
Ruby
define :pacemaker_vip_primitive, :cb_network => nil, :hostname => nil, :domain => nil, :op => nil do
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net_db = data_bag_item('crowbar', "#{params[:cb_network]}_network")
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ip_addr = net_db["allocated_by_name"]["#{params[:hostname]}.#{params[:domain]}"]["address"]
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primitive_name = "#{params[:hostname]}-vip-#{params[:cb_network]}"
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# Allow one retry, to avoid races where two nodes create the primitive at the
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# same time when it wasn't created yet (only one can obviously succeed)
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pacemaker_primitive primitive_name do
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agent "ocf:heartbeat:IPaddr2"
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params ({
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"ip" => ip_addr,
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})
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op params[:op]
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action :create
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retries 1
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retry_delay 5
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end
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# we return the primitive name so that the caller can use it as part of a
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# pacemaker group if desired
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primitive_name
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end
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