func HandleRequest(w http.ResponseWriter, containerManager manager.Manager) error {
// Get cAdvisor version Info.
versionInfo, err := containerManager.GetVersionInfo()
if err != nil {
return err
}
out := fmt.Sprintf("cAdvisor version: %s\n\n", versionInfo.CadvisorVersion)
// No OS is preferred or unsupported as of now.
out += fmt.Sprintf("OS version: %s\n\n", versionInfo.ContainerOsVersion)
kernelValidation, desc := validateKernelVersion(versionInfo.KernelVersion)
out += fmt.Sprintf(OutputFormat, "Kernel version", kernelValidation, desc)
cgroupValidation, desc := validateCgroups()
out += fmt.Sprintf(OutputFormat, "Cgroup setup", cgroupValidation, desc)
mountsValidation, desc := validateCgroupMounts()
out += fmt.Sprintf(OutputFormat, "Cgroup mount setup", mountsValidation, desc)
dockerValidation, desc := validateDockerVersion(versionInfo.DockerVersion)
out += fmt.Sprintf(OutputFormat, "Docker version", dockerValidation, desc)
dockerInfoValidation, desc := validateDockerInfo()
out += fmt.Sprintf(OutputFormat, "Docker driver setup", dockerInfoValidation, desc)
ioSchedulerValidation, desc := validateIoScheduler(containerManager)
out += fmt.Sprintf(OutputFormat, "Block device setup", ioSchedulerValidation, desc)
_, err = w.Write([]byte(out))
return err
}
func (self *version2_0) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
opt, err := getRequestOptions(r)
if err != nil {
return err
}
switch requestType {
case versionApi:
glog.V(4).Infof("Api - Version")
versionInfo, err := m.GetVersionInfo()
if err != nil {
return err
}
return writeResult(versionInfo.CadvisorVersion, w)
case attributesApi:
glog.V(4).Info("Api - Attributes")
machineInfo, err := m.GetMachineInfo()
if err != nil {
return err
}
versionInfo, err := m.GetVersionInfo()
if err != nil {
return err
}
info := v2.GetAttributes(machineInfo, versionInfo)
return writeResult(info, w)
case machineApi:
glog.V(4).Info("Api - Machine")
// TODO(rjnagal): Move machineInfo from v1.
machineInfo, err := m.GetMachineInfo()
if err != nil {
return err
}
return writeResult(machineInfo, w)
case summaryApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Summary for container %q, options %+v", containerName, opt)
stats, err := m.GetDerivedStats(containerName, opt)
if err != nil {
return err
}
return writeResult(stats, w)
case statsApi:
name := getContainerName(request)
glog.V(4).Infof("Api - Stats: Looking for stats for container %q, options %+v", name, opt)
conts, err := m.GetRequestedContainersInfo(name, opt)
if err != nil {
return err
}
contStats := make(map[string][]v2.ContainerStats, 0)
for name, cont := range conts {
contStats[name] = convertStats(cont)
}
return writeResult(contStats, w)
case customMetricsApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Custom Metrics: Looking for metrics for container %q, options %+v", containerName, opt)
conts, err := m.GetRequestedContainersInfo(containerName, opt)
if err != nil {
return err
}
contMetrics := make(map[string]map[string]map[string][]info.MetricValBasic, 0)
for _, cont := range conts {
metrics := make(map[string]map[string][]info.MetricValBasic, 0)
contStats := convertStats(cont)
for _, contStat := range contStats {
if contStat.HasCustomMetrics {
for name, allLabels := range contStat.CustomMetrics {
metricLabels := make(map[string][]info.MetricValBasic, 0)
for _, metric := range allLabels {
if !metric.Timestamp.IsZero() {
metVal := info.MetricValBasic{
Timestamp: metric.Timestamp,
IntValue: metric.IntValue,
FloatValue: metric.FloatValue,
}
labels := metrics[name]
if labels != nil {
values := labels[metric.Label]
values = append(values, metVal)
labels[metric.Label] = values
metrics[name] = labels
} else {
metricLabels[metric.Label] = []info.MetricValBasic{metVal}
metrics[name] = metricLabels
}
}
}
}
}
}
contMetrics[containerName] = metrics
}
return writeResult(contMetrics, w)
case specApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Spec for container %q, options %+v", containerName, opt)
specs, err := m.GetContainerSpec(containerName, opt)
if err != nil {
return err
}
return writeResult(specs, w)
case storageApi:
var err error
fi := []v2.FsInfo{}
label := r.URL.Query().Get("label")
if len(label) == 0 {
// Get all global filesystems info.
fi, err = m.GetFsInfo("")
if err != nil {
return err
}
} else {
// Get a specific label.
fi, err = m.GetFsInfo(label)
if err != nil {
return err
}
}
return writeResult(fi, w)
case eventsApi:
return handleEventRequest(request, m, w, r)
case psApi:
// reuse container type from request.
// ignore recursive.
// TODO(rjnagal): consider count to limit ps output.
name := getContainerName(request)
glog.V(4).Infof("Api - Spec for container %q, options %+v", name, opt)
ps, err := m.GetProcessList(name, opt)
if err != nil {
return fmt.Errorf("process listing failed: %v", err)
}
return writeResult(ps, w)
default:
return fmt.Errorf("unknown request type %q", requestType)
}
}
func (self *version2_0) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
opt, err := getRequestOptions(r)
if err != nil {
return err
}
switch requestType {
case versionApi:
glog.V(4).Infof("Api - Version")
versionInfo, err := m.GetVersionInfo()
if err != nil {
return err
}
return writeResult(versionInfo.CadvisorVersion, w)
case attributesApi:
glog.V(4).Info("Api - Attributes")
machineInfo, err := m.GetMachineInfo()
if err != nil {
return err
}
versionInfo, err := m.GetVersionInfo()
if err != nil {
return err
}
info := v2.GetAttributes(machineInfo, versionInfo)
return writeResult(info, w)
case machineApi:
glog.V(4).Info("Api - Machine")
// TODO(rjnagal): Move machineInfo from v1.
machineInfo, err := m.GetMachineInfo()
if err != nil {
return err
}
return writeResult(machineInfo, w)
case summaryApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Summary for container %q, options %+v", containerName, opt)
stats, err := m.GetDerivedStats(containerName, opt)
if err != nil {
return err
}
return writeResult(stats, w)
case statsApi:
name := getContainerName(request)
glog.V(4).Infof("Api - Stats: Looking for stats for container %q, options %+v", name, opt)
conts, err := m.GetRequestedContainersInfo(name, opt)
if err != nil {
return err
}
contStats := make(map[string][]v2.ContainerStats, 0)
for name, cont := range conts {
contStats[name] = convertStats(cont)
}
return writeResult(contStats, w)
case specApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Spec for container %q, options %+v", containerName, opt)
specs, err := m.GetContainerSpec(containerName, opt)
if err != nil {
return err
}
return writeResult(specs, w)
case storageApi:
var err error
fi := []v2.FsInfo{}
label := r.URL.Query().Get("label")
if len(label) == 0 {
// Get all global filesystems info.
fi, err = m.GetFsInfo("")
if err != nil {
return err
}
} else {
// Get a specific label.
fi, err = m.GetFsInfo(label)
if err != nil {
return err
}
}
return writeResult(fi, w)
case eventsApi:
return handleEventRequest(request, m, w, r)
default:
return fmt.Errorf("unknown request type %q", requestType)
}
}