Add support for indexing root filesystem (anchore#442)

* change directory resolver to ignore system runtime paths + drive by index Signed-off-by: Alex Goodman <[email protected]> * add event/etui support for filesystem indexing (for dir resolver) Signed-off-by: Alex Goodman <[email protected]> * add warnings for path indexing problems Signed-off-by: Alex Goodman <[email protected]> * add directory resolver index tests Signed-off-by: Alex Goodman <[email protected]> * improve testing around directory resolver Signed-off-by: Alex Goodman <[email protected]> * renamed p var to path when not conflicting with import Signed-off-by: Alex Goodman <[email protected]> * pull docker image in CLI dir scan timeout test Signed-off-by: Alex Goodman <[email protected]> * ensure file not exist errors do not stop directory resolver indexing Signed-off-by: Alex Goodman <[email protected]>
GijsCalis · Jun 29, 2021 · 8009f73 · 8009f73
1 parent d3a0449
commit 8009f73
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Showing 25 changed files with 783 additions and 134 deletions.
diff --git a/internal/string_helpers.go b/internal/string_helpers.go
@@ -12,3 +12,10 @@ func HasAnyOfPrefixes(input string, prefixes ...string) bool {
 
 	return false
 }
+
+func TruncateMiddleEllipsis(input string, maxLen int) string {
+	if len(input) <= maxLen {
+		return input
+	}
+	return input[:maxLen/2] + "..." + input[len(input)-(maxLen/2):]
+}
diff --git a/internal/string_helpers_test.go b/internal/string_helpers_test.go
@@ -1,6 +1,7 @@
 package internal
 
 import (
+	"strconv"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -63,3 +64,43 @@ func TestHasAnyOfPrefixes(t *testing.T) {
 		})
 	}
 }
+
+func TestTruncateMiddleEllipsis(t *testing.T) {
+	tests := []struct {
+		input    string
+		len      int
+		expected string
+	}{
+		{
+			input:    "nobody expects the spanish inquisition",
+			len:      39,
+			expected: "nobody expects the spanish inquisition",
+		},
+		{
+			input:    "nobody expects the spanish inquisition",
+			len:      30,
+			expected: "nobody expects ...ish inquisition",
+		},
+		{
+			input:    "nobody expects the spanish inquisition",
+			len:      38,
+			expected: "nobody expects the spanish inquisition",
+		},
+		{
+			input:    "",
+			len:      30,
+			expected: "",
+		},
+		{
+			input:    "",
+			len:      0,
+			expected: "",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.input+":"+strconv.Itoa(test.len), func(t *testing.T) {
+			assert.Equal(t, test.expected, TruncateMiddleEllipsis(test.input, test.len))
+		})
+	}
+}
diff --git a/syft/event/event.go b/syft/event/event.go
@@ -23,6 +23,9 @@ const (
 	// FileDigestsCatalogerStarted is a partybus event that occurs when the file digests cataloging has begun
 	FileDigestsCatalogerStarted partybus.EventType = "syft-file-digests-cataloger-started-event"
 
+	// FileIndexingStarted is a partybus event that occurs when the directory resolver begins indexing a filesystem
+	FileIndexingStarted partybus.EventType = "syft-file-indexing-started-event"
+
 	// PresenterReady is a partybus event that occurs when an analysis result is ready for final presentation
 	PresenterReady partybus.EventType = "syft-presenter-ready-event"
 

diff --git a/syft/event/parsers/parsers.go b/syft/event/parsers/parsers.go
@@ -94,6 +94,24 @@ func ParseFileDigestsCatalogingStarted(e partybus.Event) (progress.StagedProgres
 	return prog, nil
 }
 
+func ParseFileIndexingStarted(e partybus.Event) (string, progress.StagedProgressable, error) {
+	if err := checkEventType(e.Type, event.FileIndexingStarted); err != nil {
+		return "", nil, err
+	}
+
+	path, ok := e.Source.(string)
+	if !ok {
+		return "", nil, newPayloadErr(e.Type, "Source", e.Source)
+	}
+
+	prog, ok := e.Value.(progress.StagedProgressable)
+	if !ok {
+		return "", nil, newPayloadErr(e.Type, "Value", e.Value)
+	}
+
+	return path, prog, nil
+}
+
 func ParsePresenterReady(e partybus.Event) (presenter.Presenter, error) {
 	if err := checkEventType(e.Type, event.PresenterReady); err != nil {
 		return nil, err