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added dockerContainerProcesses

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This commit is contained in:
Sebastian Hildebrandt
2016-11-04 12:03:16 +01:00
parent ce43ceefa8
commit 7c6bb314de
4 changed files with 110 additions and 7 deletions
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lib/docker.js
+89 -6
View File
@@ -204,7 +204,7 @@ function docker_calcBlockIO(blkio_stats) {
}
// --------------------------
// container Stats (for one container)
// container stats (for one container)
function dockerContainerStats(containerID, callback) {
containerID = containerID || '';
@@ -286,6 +286,85 @@ function dockerContainerStats(containerID, callback) {
exports.dockerContainerStats = dockerContainerStats;
// --------------------------
// container processes (for one container)
function dockerContainerProcesses(containerID, callback) {
containerID = containerID || '';
var result = [];
return new Promise((resolve, reject) => {
process.nextTick(() => {
if (_windows) {
let error = new Error(NOT_SUPPORTED);
if (callback) { callback(NOT_SUPPORTED) }
reject(error);
}
if (containerID) {
if (!_docker_socket) {
_docker_socket = new DockerSocket();
}
_docker_socket.getProcesses(containerID, data => {
/**
* @namespace
* @property {Array} Titles
* @property {Array} Processes
**/
try {
if (data && data.Titles && data.Processes) {
let titles = data.Titles.map(function(value) {
return value.toUpperCase();
});
var pos_pid = titles.indexOf('PID');
var pos_ppid = titles.indexOf('PPID');
var pos_pgid = titles.indexOf('PGID');
var pos_vsz = titles.indexOf('VSZ');
var pos_time = titles.indexOf('TIME');
var pos_elapsed = titles.indexOf('ELAPSED');
var pos_ni = titles.indexOf('NI');
var pos_ruser = titles.indexOf('RUSER');
var pos_user = titles.indexOf('USER');
var pos_rgroup = titles.indexOf('RGROUP');
var pos_group = titles.indexOf('GROUP');
var pos_stat = titles.indexOf('STAT');
var pos_rss = titles.indexOf('RSS');
var pos_command = titles.indexOf('COMMAND');
data.Processes.forEach(process => {
result.push({
pid_host: (pos_pid >= 0 ? process[pos_pid] : ''),
ppid: (pos_ppid >= 0 ? process[pos_ppid] : ''),
pgid: (pos_pgid >= 0 ? process[pos_pgid] : ''),
user: (pos_user >= 0 ? process[pos_user] : ''),
ruser: (pos_ruser >= 0 ? process[pos_ruser] : ''),
group: (pos_group >= 0 ? process[pos_group] : ''),
rgroup: (pos_rgroup >= 0 ? process[pos_rgroup] : ''),
stat: (pos_stat >= 0 ? process[pos_stat] : ''),
time: (pos_time >= 0 ? process[pos_time] : ''),
elapsed: (pos_elapsed >= 0 ? process[pos_elapsed] : ''),
nice: (pos_ni >= 0 ? process[pos_ni] : ''),
rss: (pos_rss >= 0 ? process[pos_rss] : ''),
vsz: (pos_vsz >= 0 ? process[pos_vsz] : ''),
command: (pos_command >= 0 ? process[pos_command] : '')
})
})
}
} catch (err) {
}
if (callback) { callback(result) }
resolve(result);
});
} else {
if (callback) { callback(result) }
resolve(result);
}
});
});
}
exports.dockerContainerProcesses = dockerContainerProcesses;
function dockerAll(callback) {
return new Promise((resolve, reject) => {
process.nextTick(() => {
@@ -312,12 +391,16 @@ function dockerAll(callback) {
element.memory_stats = res.memory_stats;
element.networks = res.networks;
dockerContainerProcesses(element.id).then(processes => {
element.processes = processes;
l -= 1;
if (l == 0) {
if (callback) { callback(result) }
resolve(result);
}
});
// all done??
l -= 1;
if (l == 0) {
if (callback) { callback(result) }
resolve(result);
}
})
})
} else {
lib/index.js
+2
View File
@@ -81,6 +81,7 @@
// --------------------------------
//
// version date comment
// 3.8.0 2016-11-04 added dockerContainerProcesses
// 3.7.1 2016-11-03 code refactoring
// 3.7.0 2016-11-02 extended docker stats, and no longer relying on curl (version conflicts)
// 3.6.0 2016-09-16 added versions (kernel, ssl, node, npm, pm2, ...)
@@ -414,6 +415,7 @@ exports.inetLatency = internet.inetLatency;
exports.dockerContainers = docker.dockerContainers;
exports.dockerContainerStats = docker.dockerContainerStats;
exports.dockerContainerProcesses = docker.dockerContainerProcesses;
exports.dockerAll = docker.dockerAll;
exports.getStaticData = getStaticData;