Address LP#2033710 by improving the IP address parsing #37
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LP#2033710
When one configs the charm with a single ip address such as
iprange=192.168.0.1
rather thaniprange=192.168.0.1/32
-- the charm fails to deal with this config and attempts to set the bare address in thespec.addresses
ofmetallb.io/v1beta1/IPaddressPool
this causes an API error 403 forbidden because values of
spec.addresses
must either be an address range or a cidr subnet, not a single valueA worse situation is the charm cannot recover because it retries forever rather than stopping with an eventual error.