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class LeapTest
#
# works like pgrep command line
# return an array of hashes like so [{:pid => "1234", :process => "ls"}]
#
def pgrep(match)
output = `pgrep --full --list-name '#{match}'`
output.each_line.map{|line|
pid = line.split(' ')[0]
process = line.gsub(/(#{pid} |\n)/, '')
# filter out pgrep cmd itself
# on wheezy hosts, the "process" var contains the whole cmd including all parameters
# on jessie hosts, it only contains the first cmd (which is the default sheel invoked by 'sh')
if process =~ /^sh/
nil
else
{:pid => pid, :process => process}
end
}.compact
end
#
# passes if the specified process is runnin.
#
# arguments:
#
# match => VALUE -- scan process table for VALUE
# service => VALUE -- call systemctl is-active VALUE
#
# single => true|false -- if true, there must be one result
#
def assert_running(match:nil, service:nil, single:false)
if match
processes = pgrep(match)
assert processes.any?, "No running process for #{match}"
if single
assert processes.length == 1, "More than one process for #{match}"
end
elsif service
`systemctl is-active #{service} 2>&1`
if $?.exitstatus != 0
output = `systemctl status #{service} 2>&1`
fail "Service '#{service}' is not running:\n#{output}"
end
end
end
#
# runs the specified command, failing on a non-zero exit status.
#
def assert_run(command)
output = `#{command} 2>&1`
if $?.exitstatus != 0
fail "Error running `#{command}`:\n#{output}"
end
end
end
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