Name
global.DiscoveryLongRunner
Description
Support for a Discovery Long Running SSHCommand
Script
var DiscoveryLongRunner = Class.create();
DiscoveryLongRunner.prototype = {
initialize: function() {
},
start: function() {
this.pollProbe();
},
running: function() {
if (this.isRunning())
return;
this.pollProbe(true);
},
complete: function() {
if (g_probe.hasParameter('repeat_cancel_error')) {
// if our input has an error, we don't want to fire the complete code
gs.log("Runbook longrunner, skipping complete sensor");
return;
}
var probe = new SncProbe();
probe.setTopic("SSHCommand");
probe.setName("sh /tmp/" + this.getRunDirectory() + "/complete");
probe.setSource(g_probe.getSource());
probe.setCorrelator(g_probe.getCorrelator());
probe.addParameter("probe", g_probe.getParameter("previous.probe"));
probe.copy(g_probe); // copy other probe parameters that may be of interest
probe.addParameter("must_sudo", g_probe.getParameter("complete_must_sudo"));
probe.create(g_probe.getAgent(), g_probe.getEccQueueId());
},
pollProbe: function(cancel) {
var runDirectory = this.getRunDirectory();
if (!runDirectory)
return;
var probe = new SncProbe();
probe.setTopic("SSHCommand");
probe.setName("sh -c \"if [ -f /tmp/" + runDirectory + "/running ]; then echo still running; else echo not running; fi\"");
probe.setSource(g_probe.getSource());
probe.addParameter("run_directory", runDirectory);
if (cancel) {
probe.setCorrelator(g_probe.getCorrelator());
probe.addParameter("repeat_cancel", "true");
probe.addParameter("repeat_correlator", g_probe.getParameter("repeat_correlator"));
probe.addParameter("long_sensor", "new DiscoveryLongRunner().complete();");
probe.copy(g_probe);
// createForMidServer so it cancels on same mid server that is running the repeating probe
probe.createForMidServer(g_probe.getAgent(), g_probe.getEccQueueId());
} else {
probe.setCorrelator(g_probe.getCorrelator());
probe.addParameter("repeat_interval", "30000");
probe.addParameter("repeat_correlator", g_probe.getParameter("ssh_long_id"));
probe.addParameter("long_sensor", "new DiscoveryLongRunner().running();");
// "probe" parameter does not copy for free as it is in the Probe.NOT_TO_COPY list.
probe.addParameter("previous.probe", g_probe.getParameter("probe"));
probe.copy(g_probe);
var params = probe.getParametersMap();
if (JSUtil.toBoolean(probe.getParameter("use_snc_ssh")))
params.remove("must_sudo"); // Don't need root just to poll for running
probe.create(g_probe.getAgent(), g_probe.getEccQueueId());
}
},
isRunning: function() {
return (output.indexOf("still running") >= 0 || output.indexOf("not running") < 0);
},
getRunDirectory: function() {
if (g_probe.getParameter("run_directory"))
return g_probe.getParameter("run_directory");
var lines = output.split(/\n/);
for (var i = 0; i < lines.length; i++) {
var line = lines[i];
if (line == '')
continue;
var parts = line.split(":");
var name = parts[0].trim();
var value = parts[1].trim();
if (name == "sncrun")
return value;
}
return "";
},
type: "DiscoveryLongRunner"
};
Sys ID
bc5127810a0a0b660054d929065a944f