Update tests to run also on macOS

pkg/healthchecker/health_checker_darwin.go

@@ -0,0 +1,50 @@
+/*
+Copyright 2023 The Kubernetes Authors All rights reserved.
+
+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
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+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.
+*/
+
+package healthchecker
+
+import (
+	"runtime"
+	"time"
+
+	"k8s.io/klog/v2"
+
+	"k8s.io/node-problem-detector/cmd/healthchecker/options"
+)
+
+// getUptimeFunc returns the time for which the given service has been running.
+func getUptimeFunc(service string) func() (time.Duration, error) {
+	klog.Fatalf("getUptimeFunc is not supported in %s", runtime.GOOS)
+	return func() (time.Duration, error) { return time.Second, nil }
+}
+
+// getRepairFunc returns the repair function based on the component.
+func getRepairFunc(hco *options.HealthCheckerOptions) func() {
+	klog.Fatalf("getRepairFunc is not supported in %s", runtime.GOOS)
+	return func() {}
+}
+
+// checkForPattern returns (true, nil) if logPattern occurs less than logCountThreshold number of times since last
+// service restart. (false, nil) otherwise.
+func checkForPattern(service, logStartTime, logPattern string, logCountThreshold int) (bool, error) {
+	klog.Fatalf("checkForPattern is not supported in %s", runtime.GOOS)
+	return false, nil
+}
+
+func getDockerPath() string {
+	klog.Fatalf("getDockerPath is not supported in %s", runtime.GOOS)
+	return ""
+}

pkg/healthchecker/types/types_linux.go → pkg/healthchecker/types/types_unix.go

@@ -1,3 +1,5 @@
+//go:build unix
+
 /*
 Copyright 2021 The Kubernetes Authors All rights reserved.
 

pkg/systemlogmonitor/logwatchers/filelog/log_watcher_darwin.go

@@ -0,0 +1,29 @@
+/*
+Copyright 2023 The Kubernetes Authors All rights reserved.
+
+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
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+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.
+*/
+
+package filelog
+
+import (
+	"io"
+
+	"github.com/hpcloud/tail"
+)
+
+// getLogReader returns log reader for filelog log. Note that getLogReader doesn't look back
+// to the rolled out logs.
+func getLogReader(path string) (io.ReadCloser, error) {
+	return tail.OpenFile(path)
+}

pkg/systemlogmonitor/logwatchers/kmsg/log_watcher_darwin.go

@@ -0,0 +1,31 @@
+/*
+Copyright 2023 The Kubernetes Authors All rights reserved.
+
+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
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+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.
+*/
+
+package kmsg
+
+import (
+	"runtime"
+
+	"github.com/golang/glog"
+
+	"k8s.io/node-problem-detector/pkg/systemlogmonitor/logwatchers/types"
+)
+
+// NewKmsgWatcher creates a watcher which will read messages from /dev/kmsg
+func NewKmsgWatcher(cfg types.WatcherConfig) types.LogWatcher {
+	glog.Fatalf("kmsg parser is not supported in %s", runtime.GOOS)
+	return nil
+}

pkg/systemstatsmonitor/cpu_collector_linux.go → pkg/systemstatsmonitor/cpu_collector_unix.go

@@ -1,3 +1,5 @@
+//go:build unix
+
 /*
 Copyright 2020 The Kubernetes Authors All rights reserved.
 

pkg/systemstatsmonitor/memory_collector_linux.go → pkg/systemstatsmonitor/memory_collector_unix.go

@@ -1,3 +1,5 @@
+//go:build unix
+
 /*
 Copyright 2020 The Kubernetes Authors All rights reserved.
 

pkg/systemstatsmonitor/types/config_darwin.go

@@ -0,0 +1,24 @@
+/*
+Copyright 2023 The Kubernetes Authors All rights reserved.
+
+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
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+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.
+*/
+
+package types
+
+const defaultProcPath = ""
+
+func (ssc *SystemStatsConfig) validateProcPath() error {
+	// not supported
+	return nil
+}

pkg/util/exec_linux.go → pkg/util/exec_unix.go

@@ -1,3 +1,5 @@
+//go:build unix
+
 /*
 Copyright 2021 The Kubernetes Authors All rights reserved.
 

pkg/util/helpers_darwin.go

@@ -0,0 +1,43 @@
+/*
+Copyright 2023 The Kubernetes Authors All rights reserved.
+
+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
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+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.
+*/
+package util
+
+import (
+	"time"
+
+	"github.com/shirou/gopsutil/host"
+)
+
+// GetUptimeDuration returns the time elapsed since last boot.
+// For example: "cos 77-12293.0.0", "ubuntu 16.04.6 LTS (Xenial Xerus)".
+func GetUptimeDuration() (time.Duration, error) {
+	ut, err := host.Uptime()
+	if err != nil {
+		return 0, err
+	}
+	return time.Duration(ut), nil
+}
+
+// GetOSVersion retrieves the version of the current operating system.
+// For example: "darwin 13.5"".
+func GetOSVersion() (string, error) {
+	platform, _, version, err := host.PlatformInformation()
+	if err != nil {
+		return "", err
+	}
+
+	return platform + " " + version, nil
+}