github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/google/compute/enable_vpc_flow_logs.go (about)

     1  package compute
     2  
     3  import (
     4  	"github.com/khulnasoft-lab/defsec/internal/rules"
     5  	"github.com/khulnasoft-lab/defsec/pkg/providers"
     6  	"github.com/khulnasoft-lab/defsec/pkg/scan"
     7  	"github.com/khulnasoft-lab/defsec/pkg/severity"
     8  	"github.com/khulnasoft-lab/defsec/pkg/state"
     9  )
    10  
    11  var CheckEnableVPCFlowLogs = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-GCP-0029",
    14  		Provider:    providers.GoogleProvider,
    15  		Service:     "compute",
    16  		ShortCode:   "enable-vpc-flow-logs",
    17  		Summary:     "VPC flow logs should be enabled for all subnetworks",
    18  		Impact:      "Limited auditing capability and awareness",
    19  		Resolution:  "Enable VPC flow logs",
    20  		Explanation: `VPC flow logs record information about all traffic, which is a vital tool in reviewing anomalous traffic.`,
    21  		Links:       []string{},
    22  		Terraform: &scan.EngineMetadata{
    23  			GoodExamples:        terraformEnableVpcFlowLogsGoodExamples,
    24  			BadExamples:         terraformEnableVpcFlowLogsBadExamples,
    25  			Links:               terraformEnableVpcFlowLogsLinks,
    26  			RemediationMarkdown: terraformEnableVpcFlowLogsRemediationMarkdown,
    27  		},
    28  		Severity: severity.Low,
    29  	},
    30  	func(s *state.State) (results scan.Results) {
    31  		for _, network := range s.Google.Compute.Networks {
    32  			for _, subnetwork := range network.Subnetworks {
    33  				if subnetwork.EnableFlowLogs.IsFalse() {
    34  					results.Add(
    35  						"Subnetwork does not have VPC flow logs enabled.",
    36  						subnetwork.EnableFlowLogs,
    37  					)
    38  				} else {
    39  					results.AddPassed(&subnetwork)
    40  				}
    41  			}
    42  		}
    43  		return
    44  	},
    45  )