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Code Issues Releases Wiki Activity

Improved agent core dump collection system.

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Ylian Saint-Hilaire 2020-07-08 11:59:20 -07:00
parent 815fa1b0bb
commit d3825eb496
3 changed files with 31 additions and 11 deletions
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30
meshagent.js
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@ -978,7 +978,10 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
// Set agent core dump
if ((parent.parent.config.settings != null) && ((parent.parent.config.settings.agentcoredump === true) || (parent.parent.config.settings.agentcoredump === false))) {
obj.send(JSON.stringify({ action: 'coredump', value: parent.parent.config.settings.agentcoredump }));
if (parent.parent.config.settings.agentcoredump === true) { obj.send(JSON.stringify({ action: 'getcoredump' })); }
if (parent.parent.config.settings.agentcoredump === true) {
// Check if we requested a core dump file in the last minute, if not, ask if one is present.
if ((parent.lastCoreDumpRequest == null) || ((Date.now() - parent.lastCoreDumpRequest) >= 60000)) { obj.send(JSON.stringify({ action: 'getcoredump' })); }
}
}
// Do this if IP location is enabled on this domain TODO: Set IP location per device group?
@ -1370,12 +1373,27 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
break;
}
case 'getcoredump': {
// Check if we requested a core dump file in the last minute, if so, ignore this.
if ((parent.lastCoreDumpRequest != null) && ((Date.now() - parent.lastCoreDumpRequest) < 60000)) break;
// Indicates if the agent has a coredump available
if (command.exists === true) {
//console.log('CoreDump for agent ' + obj.remoteaddrport);
obj.coreDumpPresent = true;
// TODO: We need to look at getting the dump uploaded to the server.
if (typeof command.agenthashhex == 'string') { obj.RequestCoreDump(command.agenthashhex); }
if ((command.exists === true) && (typeof command.agenthashhex == 'string') && (command.agenthashhex.length == 96)) {
// Check if we already have this exact dump file
const coreDumpFile = parent.path.join(parent.parent.datapath, 'coredumps', obj.agentInfo.agentId + '-' + command.agenthashhex + '-' + obj.nodeid + '.dmp');
parent.fs.stat(coreDumpFile, function (err, stats) {
if (stats != null) return;
obj.coreDumpPresent = true;
// Check how many files are in the coredumps folder
const coreDumpPath = parent.path.join(parent.parent.datapath, 'coredumps');
parent.fs.readdir(coreDumpPath, function (err, files) {
if ((files != null) && (files.length >= 20)) return; // Don't get more than 20 core dump files.
// Get the core dump uploaded to the server.
parent.lastCoreDumpRequest = Date.now();
obj.RequestCoreDump(command.agenthashhex);
});
});
}
break;
}