Bugfix: Implement egress firewall cidr validation#297
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The CloudStack API does not reject 0.0.0.0/0 as an egress firewall CIDR but silently replaces it with the network's own CIDR. This causes a permanent drift between the Terraform state (which stores 0.0.0.0/0) and the actual API state (which returns the network CIDR), resulting in Terraform perpetually planning to recreate the resource. Validate early in verifyEgressFirewallRuleParams to surface a clear error before the API call is made.
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Hi :)
This PR adds validation to the egress firewall for the set
cidr_list. The set currently allows the cidr0.0.0.0/0that get is rewritten to the cidr of the network. So the resource gets recreated everytime terraform runs.So this PR will disallow the cidr
0.0.0.0/0.