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# Definition: augeas::lens
#
# Deploy an Augeas lens (and its test file).
# Check the lens (and run the unit tests) automatically and remove the files if
# the checks fail.
#
# Parameters:
# ['ensure'] - present/absent
# ['lens_source'] - the source for the lens
# ['test_source'] - optionally, the source for the test file.
# ['stock_since'] - optionally, indicate in which version of Augeas
# the lens became stock, so it will not be deployed
# above that version.
#
# Example usage:
#
# augeas::lens { 'networkmanager':
# lens_source => 'puppet:///modules/networkmanager/lenses/networkmanager.aug',
# test_source => 'puppet:///modules/networkmanager/lenses/test_networkmanager.aug',
# stock_since => '1.0.0',
# }
#
define augeas::lens (
$lens_source,
$ensure=present,
$test_source=false,
$stock_since=false,
) {
if !defined(Class['augeas']) {
fail('You must declare the augeas class before using augeas::lens')
}
File {
owner => 'root',
group => 'root',
mode => '0644',
}
Exec {
path => $::path,
}
if (!$stock_since or versioncmp($::augeasversion, $stock_since) < 0) {
validate_re(
$augeas::lens_dir,
'/.*',
"'${augeas::lens_dir}' is not a valid path for lens ${name}"
)
$lens_dest = "${augeas::lens_dir}/${name}.aug"
$test_dest = "${augeas::lens_dir}/tests/test_${name}.aug"
file { $lens_dest:
ensure => $ensure,
source => $lens_source,
}
exec { "Typecheck lens ${name}":
command => "augparse -I ${augeas::lens_dir} ${lens_dest} || (rm -f ${lens_dest} && exit 1)",
refreshonly => true,
subscribe => File[$lens_dest],
}
if $test_source {
file { $test_dest:
ensure => $ensure,
source => $test_source,
notify => Exec["Test lens ${name}"],
}
exec { "Test lens ${name}":
command => "augparse -I ${augeas::lens_dir} ${test_dest} || (rm -f ${lens_dest} && rm -f ${test_dest} && exit 1)",
refreshonly => true,
subscribe => File[$lens_dest, $test_dest],
}
}
}
}
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