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Log to file when using 'runjob'. Add env vars when running 'runjob'.
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AndreiArdelean1 committed Sep 20, 2020
1 parent 4cfd685 commit 0da601a
Showing 1 changed file with 86 additions and 38 deletions.
124 changes: 86 additions & 38 deletions crontab.js
Original file line number Diff line number Diff line change
Expand Up @@ -87,56 +87,104 @@ exports.get_crontab = function(_id, callback) {
});
};

exports.runjob = function(_id, callback) {
exports.runjob = function(_id) {
db.find({_id: _id}).exec(function(err, docs){
var res = docs[0];
exec(res.command, function(error, stdout, stderr){
console.log(stdout);
let res = docs[0];

let env_vars = exports.get_env()

var crontab_job_string_command = crontabCommand_noEnvVars(res)

crontab_job_string_command = addEnvironmentVariablesToCommand(env_vars, crontab_job_string_command)

console.log("Running job")
console.log("ID: " + _id)
console.log("Original command: " + res.command)
console.log("Executed command: " + crontab_job_string_command)

exec(crontab_job_string_command, function(error, stdout, stderr){
if (error) {
console.log("Error:")
console.log(error)
}

console.log("stdout:")
console.log(stdout)
console.log("stderr:")
console.log(stderr)
});
});
};

crontabCommand_noEnvVars = function(tab) {
var crontab_job_string = "";

let stderr = path.join(cronPath, tab._id + ".stderr");
let stdout = path.join(cronPath, tab._id + ".stdout");
let log_file = path.join(exports.log_folder, tab._id + ".log");
let log_file_stdout = path.join(exports.log_folder, tab._id + ".stdout.log");

var crontab_job_string_command = tab.command

if(crontab_job_string_command[crontab_job_string_command.length-1] != ";") { // add semicolon
crontab_job_string_command +=";";
}

crontab_job_string = crontab_job_string_command
crontab_job_string = "{ " + crontab_job_string + " }"
// write stdout to file
crontab_job_string = "(" + crontab_job_string + " | tee " + stdout + ")"
// write stderr to file
crontab_job_string = "(" + crontab_job_string + " 3>&1 1>&2 2>&3 | tee " + stderr + ") 3>&1 1>&2 2>&3"
crontab_job_string = "(" + crontab_job_string + ")"

if (tab.logging && tab.logging == "true") {
crontab_job_string += "; if test -f " + stderr +
"; then date >> \"" + log_file + "\"" +
"; cat " + stderr + " >> \"" + log_file + "\"" +
"; fi";

crontab_job_string += "; if test -f " + stdout +
"; then date >> \"" + log_file_stdout + "\"" +
"; cat " + stdout + " >> \"" + log_file_stdout + "\"" +
"; fi";
}

if (tab.hook) {
crontab_job_string += "; if test -f " + stdout +
"; then " + tab.hook + " < " + stdout +
"; fi";
}

if (tab.mailing && JSON.stringify(tab.mailing) != "{}"){
crontab_job_string += "; /usr/local/bin/node " + __dirname + "/bin/crontab-ui-mailer.js " + tab._id + " " + stdout + " " + stderr;
}

return crontab_job_string
}

addEnvironmentVariablesToCommand = function(env_vars, command) {
if (env_vars) {
let oneLineEnvVars = env_vars.replace(/\s*\n\s*/g,' ').trim()
return "(" + oneLineEnvVars + "; (" + command + "))"
}

return "(" + command + ")"
}

// Set actual crontab file from the db
exports.set_crontab = function(env_vars, callback){
exports.set_crontab = function(env_vars, callback) {
exports.crontabs( function(tabs){
var crontab_string = "";
if (env_vars) {
crontab_string = env_vars + "\n";
crontab_string += env_vars;
crontab_string += "\n";
}
tabs.forEach(function(tab){
if(!tab.stopped) {
let stderr = path.join(cronPath, tab._id + ".stderr");
let stdout = path.join(cronPath, tab._id + ".stdout");
let log_file = path.join(exports.log_folder, tab._id + ".log");
let log_file_stdout = path.join(exports.log_folder, tab._id + ".stdout.log");

if(tab.command[tab.command.length-1] != ";") // add semicolon
tab.command +=";";

crontab_string += tab.schedule + " ({ " + tab.command + " } | tee " + stdout + ") 3>&1 1>&2 2>&3 | tee " + stderr;

if (tab.logging && tab.logging == "true") {
crontab_string += "; if test -f " + stderr +
"; then date >> \"" + log_file + "\"" +
"; cat " + stderr + " >> \"" + log_file + "\"" +
"; fi";

crontab_string += "; if test -f " + stdout +
"; then date >> \"" + log_file_stdout + "\"" +
"; cat " + stdout + " >> \"" + log_file_stdout + "\"" +
"; fi";
}

if (tab.hook) {
crontab_string += "; if test -f " + stdout +
"; then " + tab.hook + " < " + stdout +
"; fi";
}

if (tab.mailing && JSON.stringify(tab.mailing) != "{}"){
crontab_string += "; /usr/local/bin/node " + __dirname + "/bin/crontab-ui-mailer.js " + tab._id + " " + stdout + " " + stderr;
}

crontab_string += tab.schedule
crontab_string += " "
crontab_string += crontabCommand_noEnvVars(tab)
crontab_string += "\n";
}
});
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