Versions:
- Ruby 1.8.7
- Capistrano v2.5.5
- Rake / Rails / etc
Platform:
- CentOS/Red Hat
I'm trying to write a task (to be called from a Perl script) that will work
on any Linux host in my environment. However, since there is only one host
that can SSH to every other host (it can also receive SSH connections from
any host), and I can't guarantee that the task will be running on that
host, I need to find a way to run the task on that host.
Here's what I came up with so far:
set :user, usr
cmd = "getpass " + user
set :password, `#{cmd}`
task :distribute, :on_error => :continue do
host_list = hosts.split(',')
servers = []
host_list.each do |n|
servers.push([n])
end
filelist=files.split(',')
filelist.each do |f|
upload f, target_dir, { :via => :scp, :hosts => servers, :on_error =>
:continue }
end
end
to be invoked like this:
/usr/bin/cap -f distribute_file.rb -S usr=user_to_run_as -s
target_dir=/path/to/target -s files=/path/to/source_file -s hosts=(list of
hosts) HOST=master_host
but that caused it to only run against master_host
So then I tried executing it with SSH, but that had a tendency to hang,
plus it seemed to me like there should be a built-in method for this.
I'm a Perl guy and am new to both Ruby and capistrano, so please be gentle
:)
Thanks.
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