feat(k8saudit): file watching #1167
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| // SPDX-License-Identifier: Apache-2.0 | ||
| /* | ||
| Copyright (C) 2026 The Falco Authors. | ||
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| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
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| http://www.apache.org/licenses/LICENSE-2.0 | ||
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| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package filewatch_test | ||
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Member
There was a problem hiding this comment. Since there's no |
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| import ( | ||
| "os" | ||
| "path/filepath" | ||
| "testing" | ||
| "time" | ||
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| "github.com/falcosecurity/plugin-sdk-go/pkg/sdk" | ||
| "github.com/falcosecurity/plugins/plugins/k8saudit/pkg/k8saudit" | ||
| ) | ||
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| const testAuditEvent = `{"kind":"Event","apiVersion":"audit.k8s.io/v1","level":"Metadata","auditID":"test","stage":"ResponseComplete","requestURI":"/api","verb":"get","user":{"username":"test"},"sourceIPs":["127.0.0.1"],"objectRef":{"resource":"pods","namespace":"default","name":"test"},"responseStatus":{"metadata":{},"code":200},"requestReceivedTimestamp":"2023-01-01T00:00:00.000000Z","stageTimestamp":"2023-01-01T00:00:01.000000Z"}` | ||
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| func newTestPlugin() *k8saudit.Plugin { | ||
| p := &k8saudit.Plugin{} | ||
| p.Config.Reset() | ||
| return p | ||
| } | ||
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| func TestOpenFileWatch_DetectsNewContent(t *testing.T) { | ||
| tmpDir := t.TempDir() | ||
| filePath := filepath.Join(tmpDir, "audit.log") | ||
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| if err := os.WriteFile(filePath, []byte{}, 0644); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| p := newTestPlugin() | ||
| inst, err := p.OpenFileWatch(filePath) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer inst.(sdk.Closer).Close() | ||
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| time.Sleep(100 * time.Millisecond) | ||
| f, err := os.OpenFile(filePath, os.O_APPEND|os.O_WRONLY, 0644) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| f.WriteString(testAuditEvent + "\n") | ||
| f.Close() | ||
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| time.Sleep(200 * time.Millisecond) | ||
| } | ||
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| func TestOpenFileWatch_HandlesRotation(t *testing.T) { | ||
| tmpDir := t.TempDir() | ||
| filePath := filepath.Join(tmpDir, "audit.log") | ||
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| if err := os.WriteFile(filePath, []byte(testAuditEvent+"\n"), 0644); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| p := newTestPlugin() | ||
| inst, err := p.OpenFileWatch(filePath) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer inst.(sdk.Closer).Close() | ||
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| time.Sleep(100 * time.Millisecond) | ||
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| os.Remove(filePath) | ||
| if err := os.WriteFile(filePath, []byte(testAuditEvent+"\n"), 0644); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| time.Sleep(200 * time.Millisecond) | ||
| } | ||
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| func TestOpen_FileScheme(t *testing.T) { | ||
| tmpDir := t.TempDir() | ||
| filePath := filepath.Join(tmpDir, "audit.log") | ||
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| if err := os.WriteFile(filePath, []byte(testAuditEvent+"\n"), 0644); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
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| p := newTestPlugin() | ||
| inst, err := p.Open("file://" + filePath) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer inst.(sdk.Closer).Close() | ||
| } | ||
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Why
// indirect? 🤔This should be a direct dependency since it's explicitly imported in
source.go