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18 Commits

Author SHA1 Message Date
David Dollar
7e9117812f 0.9.0.beta.1 2010-10-15 16:18:54 -07:00
David Dollar
55f405a2b4 catch some common error cases 2010-10-15 16:17:55 -07:00
David Dollar
615bb0d4ba pass ENV["PS"] through to child processes (worker.1) and use it for display output 2010-10-15 16:08:33 -07:00
David Dollar
0ae144e468 better handling of Interrupt rescues 2010-10-15 16:06:06 -07:00
David Dollar
0c2b2a4ac2 prevent double interrupt 2010-10-15 15:55:53 -07:00
David Dollar
e68946f186 change to Pstypes 2010-10-15 15:53:43 -07:00
David Dollar
52edb7fd28 move data under data 2010-10-15 15:53:27 -07:00
David Dollar
8446528f5a change to Pstypes 2010-10-15 15:50:40 -07:00
David Dollar
d41a8726bd update dependencies 2010-10-15 15:50:19 -07:00
David Dollar
7bb1e58879 0.8.0 2010-09-20 16:22:31 -04:00
David Dollar
62b6cac741 print message when signal received 2010-09-20 16:22:13 -04:00
Keith Rarick
2a7dadc2b2 Wait cleanly for child processes to exit.
Signed-off-by: David Dollar <ddollar@gmail.com>
2010-09-20 16:21:41 -04:00
David Dollar
9cd772ac0f 0.7.5 2010-09-17 09:31:24 -04:00
David Dollar
2b27d0a51a include files from export in the gem 2010-09-17 09:31:08 -04:00
Keith Rarick
99204d7c1d Wait for descendant processes to exit. 2010-09-17 21:28:01 +08:00
Ricardo Chimal, Jr
e9b5ed81b8 bugfix upstart export erb templates 2010-09-17 21:27:29 +08:00
David Dollar
7d751470d2 0.7.3 2010-08-24 17:41:36 -04:00
David Dollar
68c1a01f15 add executable and man page to gem release 2010-08-24 17:41:22 -04:00
19 changed files with 86 additions and 66 deletions

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@@ -3,6 +3,7 @@ source "http://rubygems.org"
group :development do
gem 'parka'
gem 'rake'
gem 'ronn'
end
group :test do

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@@ -3,14 +3,21 @@ GEM
specs:
diff-lcs (1.1.2)
fakefs (0.2.1)
hpricot (0.8.2)
mime-types (1.16)
mustache (0.11.2)
parka (0.3.1)
rest-client
thor
rake (0.8.7)
rcov (0.9.8)
rdiscount (1.6.5)
rest-client (1.6.0)
mime-types (>= 1.16)
ronn (0.7.3)
hpricot (>= 0.8.2)
mustache (>= 0.7.0)
rdiscount (>= 1.5.8)
rr (0.10.11)
rspec (2.0.0.beta.19)
rspec-core (= 2.0.0.beta.19)
@@ -31,6 +38,7 @@ DEPENDENCIES
parka
rake
rcov (~> 0.9.8)
ronn
rr (~> 0.10.11)
rspec (~> 2.0.0.beta.19)
term-ansicolor (~> 1.0.5)

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@@ -0,0 +1,4 @@
tick
tick
./never_die:6:in `sleep': Interrupt
from ./never_die:6

View File

@@ -3,4 +3,4 @@ stop on stopping <%= app %>-<%= process.name %>
respawn
chdir <%= engine.directory %>
exec su <%= user %> -c "PORT=<%= port %> <%= process.command %> >> <%= log_root %>/<%=process.name%>-<%=num%>.log 2>&1"
exec su - <%= user %> -c 'export PORT=<%= port %>; <%= process.command %> >> <%= log_root %>/<%=process.name%>-<%=num%>.log 2>&1'

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@@ -6,4 +6,7 @@ Parka::Specification.new do |gem|
gem.version = Foreman::VERSION
gem.summary = "Process manager for applications with multiple components"
gem.homepage = "http://github.com/ddollar/foreman"
gem.executables = "foreman"
gem.files << "man/foreman.1"
end

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@@ -1,6 +1,6 @@
module Foreman
VERSION = "0.7.2"
VERSION = "0.9.0.beta.1"
class AppDoesNotExist < Exception; end

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@@ -5,7 +5,7 @@ require "thor"
class Foreman::CLI < Thor
class_option :procfile, :type => :string, :aliases => "-f", :desc => "Default: ./Procfile"
class_option :pstypes, :type => :string, :aliases => "-f", :desc => "Default: Pstypes"
desc "start [PROCESS]", "Start the application, or a specific process"
@@ -14,7 +14,7 @@ class Foreman::CLI < Thor
:banner => '"alpha=5,bar=3"'
def start(process=nil)
check_procfile!
check_pstypes!
if process
engine.execute(process, options)
@@ -33,7 +33,7 @@ class Foreman::CLI < Thor
:banner => '"alpha=5,bar=3"'
def export(format, location=nil)
check_procfile!
check_pstypes!
formatter = case format
when "upstart" then Foreman::Export::Upstart
@@ -49,16 +49,16 @@ class Foreman::CLI < Thor
private ######################################################################
def check_procfile!
error("Procfile does not exist.") unless File.exist?(procfile)
def check_pstypes!
error("#{pstypes} does not exist.") unless File.exist?(pstypes)
end
def engine
@engine ||= Foreman::Engine.new(procfile)
@engine ||= Foreman::Engine.new(pstypes)
end
def procfile
options[:procfile] || "./Procfile"
def pstypes
options[:pstypes] || "Pstypes"
end
private ######################################################################
@@ -68,8 +68,8 @@ private ######################################################################
exit 1
end
def procfile_exists?(procfile)
File.exist?(procfile)
def pstypes_exists?(pstypes)
File.exist?(pstypes)
end
end

View File

@@ -8,21 +8,21 @@ require "fileutils"
class Foreman::Engine
attr_reader :procfile
attr_reader :pstypes
attr_reader :directory
extend Term::ANSIColor
COLORS = [ cyan, yellow, green, magenta, red ]
def initialize(procfile)
@procfile = read_procfile(procfile)
@directory = File.expand_path(File.dirname(procfile))
def initialize(pstypes)
@pstypes = read_pstypes(pstypes)
@directory = File.expand_path(File.dirname(pstypes))
end
def processes
@processes ||= begin
procfile.split("\n").inject({}) do |hash, line|
pstypes.split("\n").inject({}) do |hash, line|
next if line.strip == ""
name, command = line.split(" ", 2)
process = Foreman::Process.new(name, command)
@@ -39,8 +39,8 @@ class Foreman::Engine
fork process, options
end
trap("TERM") { kill_and_exit("TERM") }
trap("INT") { kill_and_exit("INT") }
trap("TERM") { puts "SIGTERM received"; kill_all("TERM") }
trap("INT") { puts "SIGINT received"; kill_all("INT") }
watch_for_termination
end
@@ -48,8 +48,8 @@ class Foreman::Engine
def execute(name, options={})
fork processes[name], options
trap("TERM") { kill_and_exit("TERM") }
trap("INT") { kill_and_exit("INT") }
trap("TERM") { puts "SIGTERM received"; kill_all("TERM") }
trap("INT") { puts "SIGINT received"; kill_all("INT") }
watch_for_termination
end
@@ -66,47 +66,50 @@ private ######################################################################
concurrency = Foreman::Utils.parse_concurrency(options[:concurrency])
1.upto(concurrency[process.name]) do |num|
fork_individual(process, port_for(process, num, options[:port]))
fork_individual(process, num, port_for(process, num, options[:port]))
end
end
def fork_individual(process, port)
def fork_individual(process, num, port)
ENV["PORT"] = port.to_s
ENV["PS"] = "#{process.name}.#{num}"
pid = Process.fork do
run(process)
end
info "started with pid #{pid}", process
info "started with pid #{pid}, PORT=#{port}", process
running_processes[pid] = process
end
def run(process, log_to_file=true)
proctitle "ruby: foreman #{process.name}"
Dir.chdir directory do
FileUtils.mkdir_p "log"
command = process.command
begin
Dir.chdir directory do
FileUtils.mkdir_p "log"
command = process.command
begin
PTY.spawn("#{process.command} 2>&1") do |stdin, stdout, pid|
until stdin.eof?
info stdin.gets, process
end
end
rescue PTY::ChildExited, Interrupt
end
rescue PTY::ChildExited, Interrupt
begin
info "process exiting", process
rescue Interrupt
end
end
end
def kill_and_exit(signal="TERM")
def kill_all(signal="TERM")
info "terminating"
running_processes.each do |pid, process|
info "killing #{process.name} in pid #{pid}"
Process.kill(signal, pid)
end
exit 0
end
def info(message, process=nil)
@@ -126,8 +129,8 @@ private ######################################################################
end
def pad_process_name(process)
name = process ? "#{process.name}:#{ENV["PORT"]}" : "system"
name.ljust(longest_process_name + 6) # add 6 for port padding
name = process ? "#{ENV["PS"]}" : "system"
name.ljust(longest_process_name + 3) # add 3 for process number padding
end
def print_info
@@ -141,15 +144,16 @@ private ######################################################################
$0 = title
end
def read_procfile(procfile)
File.read(procfile)
def read_pstypes(pstypes)
File.read(pstypes)
end
def watch_for_termination
pid, status = Process.wait2
process = running_processes.delete(pid)
info "process terminated", process
kill_and_exit
kill_all
Process.waitall
end
def running_processes

View File

@@ -24,7 +24,7 @@ private ######################################################################
end
def export_template(name)
File.read(File.expand_path("../../../../export/#{name}", __FILE__))
File.read(File.expand_path("../../../../data/export/#{name}", __FILE__))
end
def write_file(filename, contents)

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@@ -27,8 +27,8 @@ class Foreman::Export::Inittab < Foreman::Export::Base
inittab = inittab.join("\n") + "\n"
if fname
FileUtils.mkdir_p(log_root)
FileUtils.chown(user, nil, log_root)
FileUtils.mkdir_p(log_root) rescue error "could not create #{log_root}"
FileUtils.chown(user, nil, log_root) rescue error "could not chown #{log_root} to #{user}"
write_file(fname, inittab)
else
puts inittab

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@@ -1,4 +1,4 @@
foreman(1) -- manage Procfile-based applications
foreman(1) -- manage Pstypes-based applications
================================================
## SYNOPSIS
@@ -8,8 +8,8 @@ foreman(1) -- manage Procfile-based applications
## DESCRIPTION
**Foreman** is a manager for Procfile-based applications. Its aim is to
abstract away the details of the Procfile format, and allow you to either run
**Foreman** is a manager for Pstypes-based applications. Its aim is to
abstract away the details of the Pstypes format, and allow you to either run
your application directly or export it to some other process management
format.
@@ -18,7 +18,7 @@ format.
`foreman start` is used to run your application directly from the command line.
If no additional parameters are passed, foreman will run one instance of each
type of process defined in your Procfile.
type of process defined in your Pstypes.
If a parameter is passed, foreman will run one instance of the specified
application type.
@@ -66,8 +66,8 @@ The following options control how the application is run:
These options control all modes of foreman's operation.
* `-f`, `--procfile`:
Specify an alternate location for the application's Procfile. This file's
* `-f`, `--pstypes`:
Specify an alternate location for the application's Pstypes. This file's
containing directory will be assumed to be the root directory of the
application.
@@ -99,9 +99,9 @@ will be structured to make the following commands valid:
`restart appname-processname-3`
## PROCFILE
## PSTYPES
A Procfile should contain both a name for the process and the command used
A Pstyes file should contain both a name for the process and the command used
to run it.
web bundle exec thin start
@@ -117,9 +117,9 @@ Export the application in upstart format:
$ foreman export upstart /etc/init
Run one process type from the application defined in a specific Procfile:
Run one process type from the application defined in a specific Pstypes:
$ foreman start alpha -p ~/app/Procfile
$ foreman start alpha -p ~/app/Pstypes
## COPYRIGHT

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@@ -5,17 +5,17 @@ describe "Foreman::CLI" do
subject { Foreman::CLI.new }
describe "start" do
describe "with a non-existent Procfile" do
describe "with a non-existent Pstypes" do
it "prints an error" do
mock_error(subject, "Procfile does not exist.") do
mock_error(subject, "Pstypes does not exist.") do
dont_allow.instance_of(Foreman::Engine).start
subject.start
end
end
end
describe "with a Procfile" do
before(:each) { write_procfile }
describe "with a Pstypes" do
before(:each) { write_pstypes }
it "runs successfully" do
dont_allow(subject).error
@@ -26,17 +26,17 @@ describe "Foreman::CLI" do
end
describe "export" do
describe "with a non-existent Procfile" do
describe "with a non-existent Pstypes" do
it "prints an error" do
mock_error(subject, "Procfile does not exist.") do
mock_error(subject, "Pstypes does not exist.") do
dont_allow.instance_of(Foreman::Engine).export
subject.export("testapp")
end
end
end
describe "with a Procfile" do
before(:each) { write_procfile }
describe "with a Pstypes" do
before(:each) { write_pstypes }
describe "with an invalid formatter" do
it "prints an error" do

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@@ -2,18 +2,18 @@ require "spec_helper"
require "foreman/engine"
describe "Foreman::Engine" do
subject { Foreman::Engine.new("Procfile") }
subject { Foreman::Engine.new("Pstypes") }
describe "initialize" do
describe "without an existing Procfile" do
describe "without an existing Pstypes" do
it "raises an error" do
lambda { subject }.should raise_error
end
end
describe "with a Procfile" do
describe "with a Pstypes" do
it "reads the processes" do
write_procfile
write_pstypes
subject.processes["alpha"].command.should == "./alpha"
subject.processes["bravo"].command.should == "./bravo"
end
@@ -22,7 +22,7 @@ describe "Foreman::Engine" do
describe "start" do
it "forks the processes" do
write_procfile
write_pstypes
mock(subject).fork(subject.processes["alpha"], {})
mock(subject).fork(subject.processes["bravo"], {})
mock(subject).watch_for_termination
@@ -30,7 +30,7 @@ describe "Foreman::Engine" do
end
it "handles concurrency" do
write_procfile
write_pstypes
mock(subject).fork_individual(subject.processes["alpha"], 5000)
mock(subject).fork_individual(subject.processes["alpha"], 5001)
mock(subject).fork_individual(subject.processes["bravo"], 5100)
@@ -41,7 +41,7 @@ describe "Foreman::Engine" do
describe "execute" do
it "runs the processes" do
write_procfile
write_pstypes
mock(subject).fork(subject.processes["alpha"], {})
mock(subject).watch_for_termination
subject.execute("alpha")

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@@ -24,8 +24,8 @@ def write_foreman_config(app)
end
end
def write_procfile(procfile="Procfile")
File.open(procfile, "w") do |file|
def write_pstypes(pstypes="Pstypes")
File.open(pstypes, "w") do |file|
file.puts "alpha ./alpha"
file.puts "bravo ./bravo"
end