public ContainerPerfInfo GetContainerPerfInfo(string id = null, string name = null)
{
if (id != null)
{
List <ContainerPerfInfo> containerPerfInfos = GetContainerPerfInfoListByPS();
ContainerPerfInfo foundContainerInfo = containerPerfInfos.Find(c => c.id == id);
return(foundContainerInfo);
}
else if (name != null)
{
List <ContainerPerfInfo> containerPerfInfos = GetContainerPerfInfoListByPS();
ContainerPerfInfo foundContainerInfo = containerPerfInfos.Find(c => c.id == id);
return(foundContainerInfo);
}
else
{
return(null);
}
}
public List <ContainerPerfInfo> GetContainerPerfInfoListByPS()
{
List <ContainerPerfInfo> containerPerfInfos = new List <ContainerPerfInfo>();
/* run cmd example:
* PS C:\windows\system32> docker stats --no-stream
* CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
* 9d450203744e pensive_jennings 0.00% 504KiB / 2.924GiB 0.02% 586B / 0B 0B / 0B 1
*/
Collection <PSObject> psResults = CommonUtility.RunPSCommand("docker stats --no-stream");
if (psResults.Count == 0)
{
return(null);
}
bool isFirst = true;
foreach (PSObject psResult in psResults)
{
//if (isFirst)
//{
// isFirst = false;
// continue;
//}
foreach (PSPropertyInfo prop in psResult.Properties)
{
var count = prop.Name;
var name = prop.Value;
//In other words generate output as you desire.
Console.WriteLine("name is:" + count.ToString());
Console.WriteLine("value is:" + name.ToString());
}
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine(psResult.ToString());
string perfStr = stringBuilder.ToString();
Console.WriteLine(perfStr);
string [] perfItems = perfStr.Split('\t');
foreach (string perfItem in perfItems)
{
Console.WriteLine("\n" + perfItem);
}
ContainerPerfInfo currenteContainerPerfInfo = new ContainerPerfInfo();
Console.WriteLine(Convert.ToString(psResult));
currenteContainerPerfInfo.id = Convert.ToString(psResult.Properties["CONTAINER ID"].Value);
currenteContainerPerfInfo.name = Convert.ToString(psResult.Properties["NAME"].Value);
currenteContainerPerfInfo.cpuPercentage = Convert.ToDouble(psResult.Properties["CPU %"].Value.ToString().Replace("%", ""));
currenteContainerPerfInfo.memPercentage = Convert.ToDouble(psResult.Properties["MEM %"].Value.ToString().Replace("%", ""));
string memInfo = Convert.ToString(psResult.Properties["MEM USAGE / LIMIT"].Value);
string memUsed = memInfo.Split(new char[3] {
' ', '/', ' '
})[0];
string memLimit = memInfo.Split(new char[3] {
' ', '/', ' '
})[1];
/*currenteContainerPerfInfo.id = Convert.ToString(psResult.Members["CONTAINER ID"].Value);
* currenteContainerPerfInfo.id = Convert.ToString(psResult.Members["CONTAINER ID"].Value);
* currenteContainerPerfInfo.name = Convert.ToString(psResult.Members["NAME"].Value);
* currenteContainerPerfInfo.cpuPercentage = Convert.ToDouble(psResult.Members["CPU %"].Value.ToString().Replace("%", ""));
* currenteContainerPerfInfo.memPercentage = Convert.ToDouble(psResult.Members["MEM %"].Value.ToString().Replace("%", ""));
* string memInfo = Convert.ToString(psResult.Members["MEM USAGE / LIMIT"].Value);
* string memUsed = memInfo.Split(new char[3] { ' ', '/', ' ' })[0];
* string memLimit = memInfo.Split(new char[3] { ' ', '/', ' ' })[1];*/
// extract memUsed, KB
if (memUsed.Contains("KiB"))
{
memUsed = memUsed.Replace("KiB", "");
currenteContainerPerfInfo.memUsage = Convert.ToDouble(memUsed);
}
else if (memUsed.Contains("MiB"))
{
memUsed = memUsed.Replace("MiB", "");
currenteContainerPerfInfo.memUsage = Convert.ToDouble(memUsed) * 1024;
}
else if (memUsed.Contains("GiB"))
{
memUsed = memUsed.Replace("GiB", "");
currenteContainerPerfInfo.memUsage = Convert.ToDouble(memUsed) * 1024 * 1024;
}
else
{
currenteContainerPerfInfo.memUsage = -1;
}
// extract memLimit, KB
if (memLimit.Contains("KiB"))
{
memLimit = memLimit.Replace("KiB", "");
currenteContainerPerfInfo.memLimit = Convert.ToDouble(memLimit);
}
else if (memLimit.Contains("MiB"))
{
memLimit = memLimit.Replace("MiB", "");
currenteContainerPerfInfo.memLimit = Convert.ToDouble(memLimit) * 1024;
}
else if (memLimit.Contains("GiB"))
{
memLimit = memLimit.Replace("GiB", "");
currenteContainerPerfInfo.memLimit = Convert.ToDouble(memLimit) * 1024 * 1024;
}
else
{
currenteContainerPerfInfo.memLimit = -1;
}
currenteContainerPerfInfo.PIDS = Convert.ToInt32(psResult.Members["PIDS"].Value);
}
return(containerPerfInfos);
}
