Class: Serverspec::Backend::Exec
- Inherits:
-
Object
- Object
- Serverspec::Backend::Exec
show all
- Defined in:
- lib/serverspec/backend/exec.rb
Instance Method Summary
collapse
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#check_executable(example, file, by_whom) ⇒ Object
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#check_installed_by_gem(example, package, version) ⇒ Object
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#check_mounted(example, path, expected_attr, only_with) ⇒ Object
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#check_os ⇒ Object
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#check_readable(example, file, by_whom) ⇒ Object
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#check_running(example, process) ⇒ Object
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#check_running_under_supervisor(example, process) ⇒ Object
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#check_writable(example, file, by_whom) ⇒ Object
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#check_zero(cmd, *args) ⇒ Object
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#commands ⇒ Object
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#initialize(commands) ⇒ Exec
constructor
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#method_missing(meth, *args, &block) ⇒ Object
Default action is to call check_zero with args.
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#run_command(cmd, opts = {}) ⇒ Object
Constructor Details
#initialize(commands) ⇒ Exec
Returns a new instance of Exec.
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# File 'lib/serverspec/backend/exec.rb', line 6
def initialize(commands)
@commands ||= commands
end
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(meth, *args, &block) ⇒ Object
Default action is to call check_zero with args
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# File 'lib/serverspec/backend/exec.rb', line 34
def method_missing(meth, *args, &block)
args.shift
check_zero(meth, *args)
end
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Instance Method Details
#check_executable(example, file, by_whom) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 94
def check_executable(example, file, by_whom)
mode = sprintf('%04s',run_command(commands.get_mode(file))[:stdout].strip)
mode = mode.split('')
mode_octal = mode[0].to_i * 512 + mode[1].to_i * 64 + mode[2].to_i * 8 + mode[3].to_i * 1
case by_whom
when nil
mode_octal & 0111 != 0
when 'owner'
mode_octal & 0100 != 0
when 'group'
mode_octal & 0010 != 0
when 'others'
mode_octal & 0001 != 0
end
end
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#check_installed_by_gem(example, package, version) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 40
def check_installed_by_gem(example, package, version)
ret = run_command(commands.check_installed_by_gem(package))
res = ret[:exit_status] == 0
if res && version
res = false if not ret[:stdout].match(/\(#{version}\)/)
end
res
end
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#check_mounted(example, path, expected_attr, only_with) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 110
def check_mounted(example, path, expected_attr, only_with)
ret = run_command(commands.check_mounted(path))
if expected_attr.nil? || ret[:exit_status] != 0
return ret[:exit_status] == 0
end
mount = ret[:stdout].scan(/\S+/)
actual_attr = { :device => mount[0], :type => mount[4] }
mount[5].gsub(/\(|\)/, '').split(',').each do |option|
name, val = option.split('=')
if val.nil?
actual_attr[name.to_sym] = true
else
val = val.to_i if val.match(/^\d+$/)
actual_attr[name.to_sym] = val
end
end
if ! expected_attr[:options].nil?
expected_attr.merge!(expected_attr[:options])
expected_attr.delete(:options)
end
if only_with
actual_attr == expected_attr
else
match = true
expected_attr.each do |key, val|
match = actual_attr[key] == val
end
match
end
end
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#check_os ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 144
def check_os
if run_command('ls /etc/redhat-release')[:exit_status] == 0
'RedHat'
elsif run_command('ls /etc/debian_version')[:exit_status] == 0
'Debian'
elsif run_command('ls /etc/gentoo-release')[:exit_status] == 0
'Gentoo'
elsif run_command('uname -s')[:stdout] =~ /SunOS/i
'Solaris'
end
end
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#check_readable(example, file, by_whom) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 62
def check_readable(example, file, by_whom)
mode = sprintf('%04s',run_command(commands.get_mode(file))[:stdout].strip)
mode = mode.split('')
mode_octal = mode[0].to_i * 512 + mode[1].to_i * 64 + mode[2].to_i * 8 + mode[3].to_i * 1
case by_whom
when nil
mode_octal & 0444 != 0
when 'owner'
mode_octal & 0400 != 0
when 'group'
mode_octal & 0040 != 0
when 'others'
mode_octal & 0004 != 0
end
end
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#check_running(example, process) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 49
def check_running(example, process)
ret = run_command(commands.check_running(process))
if ret[:exit_status] == 1 || ret[:stdout] =~ /stopped/
ret = run_command(commands.check_process(process))
end
ret[:exit_status] == 0
end
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#check_running_under_supervisor(example, process) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 57
def check_running_under_supervisor(example, process)
ret = run_command(commands.check_running_under_supervisor(process))
ret[:exit_status] == 0 && ret[:stdout] =~ /RUNNING/
end
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#check_writable(example, file, by_whom) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 78
def check_writable(example, file, by_whom)
mode = sprintf('%04s',run_command(commands.get_mode(file))[:stdout].strip)
mode = mode.split('')
mode_octal = mode[0].to_i * 512 + mode[1].to_i * 64 + mode[2].to_i * 8 + mode[3].to_i * 1
case by_whom
when nil
mode_octal & 0222 != 0
when 'owner'
mode_octal & 0200 != 0
when 'group'
mode_octal & 0020 != 0
when 'others'
mode_octal & 0002 != 0
end
end
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#check_zero(cmd, *args) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 28
def check_zero(cmd, *args)
ret = run_command(commands.send(cmd, *args))
ret[:exit_status] == 0
end
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#commands ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 10
def commands
@commands
end
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#run_command(cmd, opts = {}) ⇒ Object
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# File 'lib/serverspec/backend/exec.rb', line 14
def run_command(cmd, opts={})
`#{cmd} 2>&1`
ret = { :exit_status => $?, :exit_signal => nil }
stdin, stdout, stderr = Open3.popen3(cmd)
ret[:stdout] = stdout.read
ret[:stderr] = stderr.read
ret
end
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