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module MountUtils
module_function
# Return the absolute path to the filesystem table file.
# @param host [String] hostname
# @return [String] path to the filesystem table file.
def filesystem_file(host)
case host['platform']
when %r{aix}
'/etc/filesystems'
when %r{el-|centos|fedora|sles|debian|ubuntu|amazon}
'/etc/fstab'
else
# TODO: Add Solaris and OSX support, as per PUP-5201 and PUP-4823
fail_test("Unable to determine filesystem table file location for #{host['platform']}")
end
end
# Return a standard filesystem type to use when creating filesysytems.
# @param host [String] hostname
# @return [String] filesystem type.
def filesystem_type(host)
case host['platform']
when %r{aix}
'jfs2'
when %r{el-|centos|fedora|sles|debian|ubuntu|amazon}
'ext3'
else
# TODO: Add Solaris and OSX support, as per PUP-5201 and PUP-4823
fail_test("Unable to determine a standard filesystem table type for #{host['platform']}")
end
end
# Appends a new filesystem entry to the filesystem table.
# @param host [String] hostname.
# @param mount_name [String] the name of the mount point. We use /tmp/name as the
# new filesystem, and /name as the actual mount point.
def add_entry_to_filesystem_table(host, mount_name)
fs_file = filesystem_file(host)
fs_type = filesystem_type(host)
case host['platform']
when %r{aix}
# NOTE: /dev/hd8 is the default jfs logging device on AIX.
on(host, "echo '/#{mount_name}:\n dev = /dev/#{mount_name}\n vfs = #{fs_type}\n log = /dev/hd8' >> #{fs_file}")
when %r{el-|centos|fedora|sles|debian|ubuntu|amazon}
# Correctly munge whitespaces in mountpoints
munged_mount_name = mount_name.gsub(' ', '\\\040')
on(host, "echo '/tmp/#{munged_mount_name} /#{munged_mount_name} #{fs_type} loop 0 0' >> #{fs_file}")
else
# TODO: Add Solaris and OSX support, as per PUP-5201 and PUP-4823
fail_test("Adding entries to the filesystem table on #{host['platform']} is not currently supported.")
end
end
# Creates a new filesystem on the host.
# @param host [String] hostname
# @param mount_name [String] the name of the mount point.
def create_filesystem(host, mount_name)
fs_type = filesystem_type(host)
case host['platform']
when %r{aix}
volume_group = on(host, 'lsvg').stdout.split("\n")[0]
on(host, "mklv -y #{mount_name} #{volume_group} 1M")
on(host, "mkfs -V #{fs_type} -l #{mount_name} /dev/#{mount_name}")
when %r{el-|centos|fedora|sles|debian|ubuntu|amazon}
on(host, "dd if=/dev/zero of='/tmp/#{mount_name}' count=16384", acceptable_exit_codes: [0, 1])
on(host, "yes | mkfs -t #{fs_type} -q '/tmp/#{mount_name}'", acceptable_exit_codes: (0..254))
else
# TODO: Add Solaris and OSX support, as per PUP-5201 and PUP-4823
fail_test("Creating filesystems on #{host['platform']} is not currently supported.")
end
end
end
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