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# File 'lib/capistrano/configuration/resources/platform_resources.rb', line 8
def self.extended(configuration)
configuration.load {
namespace(:platform) {
_cset(:platform_identifier) { platform.identifier(fetch(:platform_identifier_options, {})) }
def identifier(options={})
capture((<<-EOS).gsub(/\s+/, " "), options).strip.to_sym
if test -f /etc/debian_version; then
if test -f /etc/lsb-release && grep -i -q DISTRIB_ID=Ubuntu /etc/lsb-release; then
echo ubuntu;
else
echo debian;
fi;
elif test -f /etc/redhat-release; then
if test -f /etc/centos-release; then
echo centos;
else
echo redhat;
fi;
else
echo unknown;
fi;
EOS
end
_cset(:platform_architecture) { platform.architecture(fetch(:platform_architecture_options, {})) }
def architecture(options={})
arch = capture("uname -m", options).strip.to_sym
case arch
when /^(i[3-6]86|pentium)$/ then :i386
when /^(amd64|x86_64)$/ then :x86_64
else
arch.to_sym
end
end
namespace(:packages) {
def installed?(packages=[], options={})
packages = [ packages ].flatten
identifier = ( options.delete(:identifier) || fetch(:platform_identifier) )
if packages.empty?
true
else
not /not-installed/ =~ case identifier
when :debian, :ubuntu
capture("dpkg-query -s #{packages.map { |x| x.dump }.join(" ")} 1>/dev/null 2>&1 || echo not-installed")
when :centos, :redhat
capture("rpm -qi #{packages.map { |x| x.dump }.join(" ")} 1>/dev/null 2>&1 || echo not-installed")
end
end
end
def install(packages=[], options={})
packages = [ packages ].flatten
identifier = ( options.delete(:identifier) || fetch(:platform_identifier) )
unless packages.empty?
case identifier
when :debian, :ubuntu
sudo("apt-get install -q -y #{packages.map { |x| x.dump }.join(" ")}", options)
when :centos, :redhat
sudo("yum install -q -y #{packages.map { |x| x.dump }.join(" ")}", options)
end
end
end
}
}
}
end
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