99 lines
2.7 KiB
Rego
99 lines
2.7 KiB
Rego
package main
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# Import the raw input instead of using tfplan alias
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import input
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# Helper function to get VM resources
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get_vms = vms {
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planned_values := input.planned_values
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vms := [r | r := planned_values.root_module.resources[_]; r.type == "proxmox_vm_qemu"]
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}
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# Helper function to check if a value is empty or undefined
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is_empty(value) {
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value == ""
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} {
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value == null
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} {
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not value
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}
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# Helper function to check minimum memory requirements (in MB)
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min_memory = 512
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# Deny if VM allows password authentication
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deny[msg] {
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vm := get_vms[_]
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not is_empty(vm.values.cipassword)
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msg := sprintf("VM '%s' uses password authentication. Use SSH keys only.", [vm.name])
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}
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# Deny if VM allows root login
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deny[msg] {
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vm := get_vms[_]
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vm.values.ciuser == "root"
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msg := sprintf("VM '%s' allows root login. Use a non-root user.", [vm.name])
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}
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# Deny if qemu-agent is not enabled
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deny[msg] {
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vm := get_vms[_]
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vm.values.agent != 1
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msg := sprintf("VM '%s' does not have qemu-agent enabled (agent = 1).", [vm.name])
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}
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# Deny if VM uses insecure network bridge
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deny[msg] {
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vm := get_vms[_]
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net := vm.values.network[_]
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net.bridge != "vmbr2"
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msg := sprintf("VM '%s' uses insecure network bridge '%s'. Use 'vmbr2'.", [vm.name, net.bridge])
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}
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# Deny if IPv6 is not disabled
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deny[msg] {
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vm := get_vms[_]
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not vm.values.skip_ipv6
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msg := sprintf("VM '%s' does not have IPv6 disabled (skip_ipv6 = true).", [vm.name])
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}
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# Deny if TLS verification is disabled
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deny[msg] {
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provider := input.configuration.provider_config.proxmox
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provider.expressions.pm_tls_insecure.constant_value == true
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msg := "TLS verification must be enabled (pm_tls_insecure = false)"
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}
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# Deny if provider version is not pinned
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deny[msg] {
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provider := input.configuration.terraform.required_providers.proxmox
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not startswith(provider.version_constraint, "=")
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msg := "Provider version must be pinned with '=' constraint"
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}
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# Deny if VM memory is below minimum requirement
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deny[msg] {
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vm := get_vms[_]
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memory := to_number(vm.values.memory)
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memory < min_memory
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msg := sprintf("VM '%s' has insufficient memory (%dMB). Minimum required: %dMB.", [vm.name, memory, min_memory])
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}
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# Deny if VM does not have a description
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deny[msg] {
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vm := get_vms[_]
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is_empty(vm.values.desc)
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msg := sprintf("VM '%s' must have a description for documentation purposes.", [vm.name])
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}
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# Deny if VM uses default SCSI controller
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deny[msg] {
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vm := get_vms[_]
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vm.values.scsihw == "lsi"
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msg := sprintf("VM '%s' uses default SCSI controller. Use virtio-scsi-pci for better performance.", [vm.name])
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}
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# Test rule to verify policy is loaded
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test_policy_loaded {
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true
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} |