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eda84cb2d3
Prevalidates hardware resources on Linux platforms for Virtualbox and VMware builders. This is currently only available on Linux, as enabling for both Darwin and Windows platforms, relies on cgo bindings that would prevent effective cross-compilation. Packer will now fail to build and validate templates if the template is requesting that the VM to be created would allocate more system resources than the host system has available. This _however_ doesn't catch parallel builds that overflow the hosts resources, will probably still need a better error message for VM's failing to boot in that case. Example Outputs: ``` $ $GOPATH/bin/packer build -debug ./vmware-iso.json Debug mode enabled. Builds will not be parallelized. vmware-iso output will be in this color. 2 error(s) occurred: * Unavailable Resources: RAM - Requested - 204800000MB - Available 21721MB * Unavailable Resources: Disk - Requested - 4000000000MB - Available 76701MB ``` ``` $ $GOPATH/bin/packer build -debug ./vbox-iso.json Debug mode enabled. Builds will not be parallelized. virtualbox-iso output will be in this color. 2 error(s) occurred: * Unavailable Resources: RAM - Requested - 10240000MB - Available 21721MB * Unavailable Resources: Disk - Requested - 1000000000MB - Available 76701MB ``` |
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