Sha256: fb6dc515516ae10ffdb8814e9d71c1fa37b9e5415b612f42213a08d1b6ff7264
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Size: 1.76 KB
Versions: 6
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Stored size: 1.76 KB
Contents
module SSHKit
module Backend
MethodUnavailableError = Class.new(RuntimeError)
class Abstract
attr_reader :host
def run
# Nothing to do
end
def initialize(host, &block)
raise "Must pass a Host object" unless host.is_a? Host
@host = host
@block = block
end
def make(commands=[])
raise MethodUnavailableError
end
def rake(commands=[])
raise MethodUnavailableError
end
def execute(command, args=[])
raise MethodUnavailableError
end
def capture(command, args=[])
raise MethodUnavailableError
end
def within(directory, &block)
(@pwd ||= []).push directory.to_s
execute <<-EOTEST
if test ! -d #{File.join(@pwd)}
then echo "Directory does not exist '#{File.join(@pwd)}'" 1>&2
false
fi
EOTEST
yield
ensure
@pwd.pop
end
def with(environment, &block)
@_env = (@env ||= {})
@env = @_env.merge environment
yield
ensure
@env = @_env
remove_instance_variable(:@_env)
end
def as(user, &block)
@user = user
execute <<-EOTEST
if ! sudo su #{user} -c whoami > /dev/null
then echo "You cannot switch to user '#{user}' using sudo, please check the sudoers file" 1>&2
false
fi
EOTEST
yield
ensure
remove_instance_variable(:@user)
end
private
def command(*args)
SSHKit::Command.new(*args, in: @pwd.nil? ? nil : File.join(@pwd), env: @env, host: @host, user: @user)
end
def connection
raise "No Connection Pool Implementation"
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems