Upstart monitoring problems in ubuntu and creating a pid -


i looking how create pid file monitoring of upstart processes in ubuntu. looked @ accepted answer in ubuntu, upstart, , creating pid monitoring , ended following code:

env program_name=myscript env base_path=/bar/  respawn limit 5 30  script ${base_path}/bin/python ${base_path}/scripts/${program_name}.py -e ${base_path}/foo.ini end script  post-start script echo pid=`status myscript | egrep -oi '([0-9]+)$' | head -n1`  echo $pid > /var/run/${program_name}.pid end script  post-stop script rm -f /var/run/${program_name}.pid end script

there 3 problems encounter:

  1. somehow code creates 2 processes. parent process (checked through ps -ef | grep python) shell such as:

    /bin/sh -e -c ${base_path}/bin/python ${base_path}/scripts/${program_name}.py -e ${base_path}/foo.ini /bin/sh

    while child process has correct substitutes:

    /bar/bin/python /bar/scripts/myscript.py -e /bar/foo.ini

  2. the pid file contains pid of parent of actual process. not child 1 actual process.

  3. the respawn doesn't work. kill child process kill pid (which kills parent too, not vice versa).


Comments

Post a Comment

Popular posts from this blog

Why does Ruby on Rails generate add a blank line to the end of a file? -

running rails generate controller foo home results in: class foocontroller < application controller def home end end (there's nothing on line in actual file, blank line) is there purpose blank line? it's common use newline indicate end of line, last line. many editors (like vi, use) add in newline silently. consensus text files (especially in unix world) should end in newline, , there have been problems historically if wasn't present. why should text files end newline? the tool used count lines in file "wc" counts newlines in file, without trailing newline show 3 instead of 4. it improves readability of templates used in generator. consider: https://github.com/rails/rails/blob/master/railties/lib/rails/generators/rails/controller/templates/controller.rb to remove trailing newline, template have last line of: end<% end -%> instead of: end <% end -%> that seems less readable me. the discussion below refers
Read more

keyboard - Smiles and long press feature in Android -

i've created android keyboard. how add features inserting smilies, , using long keypresses display symbols? to create long-press behavior allows select several options pop-up menu, follow guide (specifically pop-up menu section): http://developer.android.com/guide/topics/ui/menus.html smileys (also known emoticons) combination of keys, understood programs , parsed same way. have do, when clicks smiley face on keyboard, simulate pressing of key combination matching emoticon. example, when clicks smiley, should simulate key presses ':' , ')' :). here's list of emoticons: http://en.wikipedia.org/wiki/list_of_emoticons
Read more

node.js - Bad Request - node js ajax post -

i'm using express 3.0 , node v0.11.0. have button submits form , i'm using ajax post data json object node server. client code is: $('#contact').submit(function(e) { console.log('submit called'); var formdata = json.stringify($('form').serializeobject()); console.log(formdata); $.ajax({ url: "http://localhost:3000/savedata/", type: "post", datatype: 'json', data: {objectdata: formdata}, contenttype: "application/json", complete: function() { console.log('process complete'); }, success: function(data) { console.log('process sucess'); }, error: function() { console.log('process error'); }, }); return false; }); then on server: var express = require('express'); var app = express(); app.set('views', __dirname + '/views'); app.set('view engine', 'jade'); app.use(express.bodyparser());
Read more