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)
// Output debug info.
debugInfo := containerManager.DebugInfo()
for category, lines := range debugInfo {
out += fmt.Sprintf(OutputFormat, category, "", strings.Join(lines, "\n\t"))
}
_, err = w.Write([]byte(out))
return err
}