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class ProgramProcess
class << self
def process_keywords(action, *keywords)
processes = keywords.collect { |keyword| find_by_keyword(keyword) }.flatten
if processes.empty?
puts "Couldn't find any process matching: #{keywords.join(" or ")}"
else
processes.each do |process|
puts "#{action.humanize}ing #{process}"
process.send(action)
end
end
end
def find_by_keyword(keyword)
process_lines_with_keyword(keyword).split("\n").collect { |line|
next if line.include?("inq") || line.include?("ps -ax") || line.include?("grep")
pid, *command = line.split
new(pid, command.join(" "))
}.compact
end
private
def process_lines_with_keyword(keyword)
`ps -ax -o 'pid command' | grep #{keyword}`
end
end
def initialize(pid, command)
@pid, @command = pid, command
end
def find
end
def reload
`kill -s HUP #{@pid}`
end
def restart
kill
`#{@command}`
end
def graceful_restart
graceful_kill
`#{@command}`
end
def graceful_kill
`kill -s TERM #{@pid}`
end
def kill
`kill -9 #{@pid}`
end
def to_s
"[#{@pid}] #{@command}"
end
end
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