Module: Izzup

Defined in:
lib/izzup.rb,
lib/izzup/izzup.rb,
lib/izzup/version.rb,
lib/izzup/izzup_error.rb,
lib/izzup/izzup_arguments.rb

Defined Under Namespace

Classes: IzzupArguments, IzzupError

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.assert(*args) ⇒ Object

see if they are up true/false



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# File 'lib/izzup/izzup.rb', line 12

def self.assert(*args)
    found = true
    IzzupArguments.new(args).each do |p,n|
        found = found && izzup(p,n)
    end
    found
end

.demand(*args) ⇒ Object

require these or fail with izzup error



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# File 'lib/izzup/izzup.rb', line 5

def self.demand(*args)
    IzzupArguments.new(args).each do |p,n|
        raise IzzupError, "#{self.name} dying because #{n} instance(s) of #{p} not discovered" unless izzup(p,n) 
    end
end

.izzup(process, count = 1) ⇒ Object 



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# File 'lib/izzup/izzup.rb', line 20

def self.izzup(process, count=1)
    up = 0
    begin
        up = %x{ps ax | grep #{process} | grep -v grep | wc -l}.strip().to_i
    rescue
        raise StandardError, "#{self.name} will probably only work on a *NIX machine"
    end
    up == count
end