59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package systemd
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import (
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"fmt"
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"strings"
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"github.com/google/cadvisor/container"
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"github.com/google/cadvisor/fs"
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info "github.com/google/cadvisor/info/v1"
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"github.com/google/cadvisor/manager/watcher"
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"github.com/golang/glog"
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)
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type systemdFactory struct{}
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func (f *systemdFactory) String() string {
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return "systemd"
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}
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func (f *systemdFactory) NewContainerHandler(name string, inHostNamespace bool) (container.ContainerHandler, error) {
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return nil, fmt.Errorf("Not yet supported")
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}
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func (f *systemdFactory) CanHandleAndAccept(name string) (bool, bool, error) {
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// on systemd using devicemapper each mount into the container has an associated cgroup that we ignore.
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// for details on .mount units: http://man7.org/linux/man-pages/man5/systemd.mount.5.html
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if strings.HasSuffix(name, ".mount") {
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return true, false, nil
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}
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return false, false, fmt.Errorf("%s not handled by systemd handler", name)
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}
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func (f *systemdFactory) DebugInfo() map[string][]string {
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return map[string][]string{}
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}
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// Register registers the systemd container factory.
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func Register(machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
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glog.Infof("Registering systemd factory")
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factory := &systemdFactory{}
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container.RegisterContainerHandlerFactory(factory, []watcher.ContainerWatchSource{watcher.Raw})
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return nil
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}
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