mirror of
https://github.com/kubescape/kubescape.git
synced 2026-04-15 06:58:11 +00:00
88 lines
3.2 KiB
Go
88 lines
3.2 KiB
Go
package v1
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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"github.com/google/uuid"
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"github.com/kubescape/go-logger"
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"github.com/kubescape/go-logger/helpers"
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"github.com/kubescape/kubescape/v3/core/cautils"
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"github.com/kubescape/kubescape/v3/core/cautils/getter"
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apisv1 "github.com/kubescape/opa-utils/httpserver/apis/v1"
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utilsapisv1 "github.com/kubescape/opa-utils/httpserver/apis/v1"
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utilsmetav1 "github.com/kubescape/opa-utils/httpserver/meta/v1"
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"go.opentelemetry.io/otel/trace"
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)
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// Metrics http listener for prometheus support
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func (handler *HTTPHandler) Metrics(w http.ResponseWriter, r *http.Request) {
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scanID := uuid.NewString()
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handler.state.setBusy(scanID)
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defer handler.state.setNotBusy(scanID)
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resultsFile := filepath.Join(OutputDir, scanID)
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scanInfo := getPrometheusDefaultScanCommand(scanID, resultsFile)
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scanParams := &scanRequestParams{
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scanQueryParams: &ScanQueryParams{
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ReturnResults: true,
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KeepResults: false,
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},
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scanInfo: scanInfo,
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scanID: scanID,
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ctx: trace.ContextWithSpanContext(context.Background(), trace.SpanContextFromContext(r.Context())),
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resp: make(chan *utilsmetav1.Response, 1),
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}
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// send to scan queue
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logger.L().Info("requesting scan", helpers.String("scanID", scanID), helpers.String("api", "v1/metrics"))
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handler.scanRequestChan <- scanParams
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// wait for scan to complete
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results := <-scanParams.resp
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defer removeResultsFile(scanID) // remove json format results file
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defer os.Remove(resultsFile) // remove prometheus format results file
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// handle response
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if results.Type == utilsapisv1.ErrorScanResponseType {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write(responseToBytes(results))
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return
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}
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// read prometheus format results file
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f, err := os.ReadFile(resultsFile)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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results.Type = utilsapisv1.ErrorScanResponseType
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results.Response = fmt.Sprintf("failed read results from file. reason: %s", err.Error())
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w.Write(responseToBytes(results))
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return
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}
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w.WriteHeader(http.StatusOK)
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w.Write(f)
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}
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func getPrometheusDefaultScanCommand(scanID, resultsFile string) *cautils.ScanInfo {
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scanInfo := defaultScanInfo()
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scanInfo.UseArtifactsFrom = getter.DefaultLocalStore // Load files from cache (this will prevent kubescape fom downloading the artifacts every time)
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scanInfo.Submit = false // do not submit results every scan
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scanInfo.Local = true // do not submit results every scan
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scanInfo.FrameworkScan = true
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scanInfo.HostSensorEnabled.SetBool(false) // disable host scanner
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scanInfo.ScanAll = false // do not scan all frameworks
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scanInfo.ScanID = scanID // scan ID
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scanInfo.FailThreshold = 100 // Do not fail scanning
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scanInfo.ComplianceThreshold = 0 // Do not fail scanning
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scanInfo.Output = resultsFile // results output
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scanInfo.Format = envToString("KS_FORMAT", "prometheus") // default output should be json
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scanInfo.SetPolicyIdentifiers(getter.NativeFrameworks, apisv1.KindFramework)
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return scanInfo
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}
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