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PATH: usr / share / augeas / lenses / dist

(*
Module: Systemd
  Parses systemd unit files.

Author: Dominic Cleal <dcleal@redhat.com>

About: Reference
  This lens tries to keep as close as possible to systemd.unit(5) and
  systemd.service(5) etc where possible.

About: License
  This file is licenced under the LGPL v2+, like the rest of Augeas.

About: Lens Usage
  To be documented

About: Configuration files
  This lens applies to /lib/systemd/system/* and /etc/systemd/system/*.
  See <filter>.
*)

module Systemd =
autoload xfm

(************************************************************************
 * Group:                 USEFUL PRIMITIVES
 *************************************************************************)

(* View: eol *)
let eol = Util.eol

(* View: eol_comment
   An <IniFile.comment> entry for standalone comment lines (; or #) *)
let comment     = IniFile.comment IniFile.comment_re "#"

(* View: eol_comment
   An <IniFile.comment> entry for end of line comments (# only) *)
let eol_comment = IniFile.comment "#" "#"

(* View: sep
   An <IniFile.sep> entry *)
let sep        = IniFile.sep "=" "="

(* Variable: entry_single_kw *)
let entry_single_kw  = "Description"

(* Variable: entry_command_kw *)
let entry_command_kw = /Exec[A-Za-z][A-Za-z0-9._-]+/

(* Variable: entry_env_kw *)
let entry_env_kw     = "Environment"

(* Variable: entry_multi_kw *)
let entry_multi_kw   =
     let forbidden = entry_single_kw | entry_command_kw | entry_env_kw
  in /[A-Za-z][A-Za-z0-9._-]+/ - forbidden

(* Variable: value_single_re *)
let value_single_re  = /[^# \t\n\\][^#\n\\]*[^# \t\n\\]|[^# \t\n\\]/

(* View: sto_value_single
   Support multiline values with a backslash *)
let sto_value_single = Util.del_opt_ws ""
                       . store (value_single_re
                                . (/\\\\\n/ . value_single_re)*)

(* View: sto_value *)
let sto_value = store /[^# \t\n]*[^# \t\n\\]/

(* Variable: value_sep
   Multi-value entries separated by whitespace or backslash and newline *)
let value_sep = del /[ \t]+|[ \t]*\\\\[ \t]*\n[ \t]*/ " "

(* Variable: value_cmd_re
   Don't parse @ and - prefix flags *)
let value_cmd_re = /[^#@ \t\n\\-][^#@ \t\n\\-][^# \t\n\\]*/

(* Variable: env_key *)
let env_key = /[A-Za-z0-9_]+(\[[0-9]+\])?/

(************************************************************************
 * Group:                 ENTRIES
 *************************************************************************)

(*
Supported entry features, selected by key names:
  * multi-value space separated attrs (the default)
  * single-value attrs (Description)
  * systemd.service: Exec* attrs with flags, command and arguments
  * systemd.service: Environment NAME=arg
*)

(* View: entry_fn
   Prototype for our various key=value lines, with optional comment *)
let entry_fn (kw:regexp) (val:lens) =
    [ key kw . sep . val . (eol_comment|eol) ]

(* View: entry_value
   Store a value that doesn't contain spaces *)
let entry_value  = [ label "value" . sto_value ]

(* View: entry_single
   Entry that takes a single value containing spaces *)
let entry_single = entry_fn entry_single_kw
                     [ label "value" . sto_value_single ]?

(* View: entry_command
   Entry that takes a space separated set of values (the default) *)
let entry_multi  = entry_fn entry_multi_kw
                     ( Util.del_opt_ws ""
                       . Build.opt_list entry_value value_sep )?

(* View: entry_command_flags
   Exec* flags "@" and "-".  Order is important, see systemd.service(8) *)
let entry_command_flags =
     let exit  = [ label "ignoreexit" . Util.del_str "-" ]
  in let arg0  = [ label "arg0" . Util.del_str "@" ]
  in exit? . arg0?

(* View: entry_command
   Entry that takes a command, arguments and the optional prefix flags *)
let entry_command =
     let cmd  = [ label "command" . store value_cmd_re ]
  in let arg  = [ seq "args" . sto_value ]
  in let args = [ counter "args" . label "arguments"
                . (value_sep . arg)+ ]
  in entry_fn entry_command_kw ( entry_command_flags . cmd . args? )?

(* View: entry_env
   Entry that takes a space separated set of ENV=value key/value pairs *)
let entry_env =
     let envkv (env_val:lens) = key env_key . Util.del_str "=" . env_val
     (* bare has no spaces, and is optionally quoted *)
  in let bare = Quote.do_quote_opt (envkv (store /[^#'" \t\n]*[^#'" \t\n\\]/)?)
  in let bare_dqval = envkv (store /"[^#" \t\n]*[^#" \t\n\\]"/)
  in let bare_sqval = envkv (store /'[^#' \t\n]*[^#' \t\n\\]'/)
     (* quoted has at least one space, and must be quoted *)
  in let quoted = Quote.do_quote (envkv (store /[^#"'\n]*[ \t]+[^#"'\n]*/))
  in let envkv_quoted = [ bare ] | [ bare_dqval ] | [ bare_sqval ] | [ quoted ]
  in entry_fn entry_env_kw ( Build.opt_list envkv_quoted value_sep )

(************************************************************************
 * Group:                 LENS
 *************************************************************************)

(* View: entry
   An <IniFile.entry> *)
let entry   = entry_single | entry_multi | entry_command | entry_env | comment

(* View: include
   Includes another file at this position *)
let include = [ key ".include" . Util.del_ws_spc . sto_value
                . (eol_comment|eol) ]

(* View: title
   An <IniFile.title> *)
let title   = IniFile.title IniFile.record_re

(* View: record
   An <IniFile.record> *)
let record = IniFile.record title (entry|include)

(* View: lns
   An <IniFile.lns> *)
let lns    = IniFile.lns record (comment|include)

(* View: filter *)
let filter = incl "/lib/systemd/system/*"
           . incl "/lib/systemd/system/*/*"
           . incl "/etc/systemd/system/*"
           . incl "/etc/systemd/system/*/*"
           . incl "/etc/sysconfig/*.systemd"
           . Util.stdexcl

let xfm = transform lns filter

[+] ..
[-] mailscanner.aug [edit]
[-] access.aug [edit]
[-] gshadow.aug [edit]
[-] activemq_conf.aug [edit]
[-] gtkbookmarks.aug [edit]
[-] activemq_xml.aug [edit]
[-] hostname.aug [edit]
[-] afs_cellalias.aug [edit]
[-] mcollective.aug [edit]
[-] aliases.aug [edit]
[-] mdadm_conf.aug [edit]
[-] anacron.aug [edit]
[-] memcached.aug [edit]
[-] approx.aug [edit]
[-] group.aug [edit]
[-] phpvars.aug [edit]
[-] apt_update_manager.aug [edit]
[-] grub.aug [edit]
[-] puppet.aug [edit]
[-] aptcacherngsecurity.aug [edit]
[-] mongodbserver.aug [edit]
[-] aptconf.aug [edit]
[-] host_conf.aug [edit]
[-] aptpreferences.aug [edit]
[-] hosts.aug [edit]
[-] aptsources.aug [edit]
[-] hosts_access.aug [edit]
[-] authorized_keys.aug [edit]
[-] htpasswd.aug [edit]
[-] automaster.aug [edit]
[-] jettyrealm.aug [edit]
[-] automounter.aug [edit]
[-] mke2fs.aug [edit]
[-] avahi.aug [edit]
[-] jaas.aug [edit]
[-] backuppchosts.aug [edit]
[-] modprobe.aug [edit]
[-] bbhosts.aug [edit]
[-] jmxaccess.aug [edit]
[-] bootconf.aug [edit]
[-] modules.aug [edit]
[-] build.aug [edit]
[-] jmxpassword.aug [edit]
[-] cachefilesd.aug [edit]
[-] modules_conf.aug [edit]
[-] carbon.aug [edit]
[-] json.aug [edit]
[-] cgconfig.aug [edit]
[-] nagiosobjects.aug [edit]
[-] cgrules.aug [edit]
[-] kdump.aug [edit]
[-] channels.aug [edit]
[-] monit.aug [edit]
[-] chrony.aug [edit]
[-] multipath.aug [edit]
[-] clamav.aug [edit]
[-] keepalived.aug [edit]
[-] cobblermodules.aug [edit]
[-] known_hosts.aug [edit]
[-] cobblersettings.aug [edit]
[-] koji.aug [edit]
[-] collectd.aug [edit]
[-] mysql.aug [edit]
[-] cpanel.aug [edit]
[-] nagioscfg.aug [edit]
[-] cron.aug [edit]
[-] krb5.aug [edit]
[-] crypttab.aug [edit]
[-] netmasks.aug [edit]
[-] cups.aug [edit]
[-] ldif.aug [edit]
[-] cyrus_imapd.aug [edit]
[-] networkmanager.aug [edit]
[-] darkice.aug [edit]
[-] networks.aug [edit]
[-] debctrl.aug [edit]
[-] nrpe.aug [edit]
[-] desktop.aug [edit]
[-] ldso.aug [edit]
[-] device_map.aug [edit]
[-] lightdm.aug [edit]
[-] dhclient.aug [edit]
[-] nginx.aug [edit]
[-] dhcpd.aug [edit]
[-] limits.aug [edit]
[-] dhcpd_140.aug [edit]
[-] login_defs.aug [edit]
[-] dns_zone.aug [edit]
[-] ntpd.aug [edit]
[-] dnsmasq.aug [edit]
[-] nsswitch.aug [edit]
[-] dovecot.aug [edit]
[-] ntp.aug [edit]
[-] dpkg.aug [edit]
[-] odbc.aug [edit]
[-] dput.aug [edit]
[-] openshift_http.aug [edit]
[-] erlang.aug [edit]
[-] openshift_config.aug [edit]
[-] ethers.aug [edit]
[-] pamconf.aug [edit]
[-] exports.aug [edit]
[-] logrotate.aug [edit]
[-] fai_diskconfig.aug [edit]
[-] openvpn.aug [edit]
[-] fonts.aug [edit]
[-] pagekite.aug [edit]
[-] fstab.aug [edit]
[-] pam.aug [edit]
[-] fuse.aug [edit]
[-] passwd.aug [edit]
[-] gdm.aug [edit]
[-] httpd.aug [edit]
[-] postfix_access.aug [edit]
[-] inetd.aug [edit]
[-] pbuilder.aug [edit]
[-] inifile.aug [edit]
[-] pg_hba.aug [edit]
[-] inittab.aug [edit]
[-] pgbouncer.aug [edit]
[-] inputrc.aug [edit]
[-] logwatch.aug [edit]
[-] interfaces.aug [edit]
[-] lokkit.aug [edit]
[-] iproute2.aug [edit]
[-] mailscanner_rules.aug [edit]
[-] iptables.aug [edit]
[-] php.aug [edit]
[-] iscsid.aug [edit]
[-] lvm.aug [edit]
[-] util.aug [edit]
[-] openshift_quickstarts.aug [edit]
[-] xinetd.aug [edit]
[-] postfix_main.aug [edit]
[-] xendconfsxp.aug [edit]
[-] postfix_master.aug [edit]
[-] vfstab.aug [edit]
[-] postfix_sasl_smtpd.aug [edit]
[-] vmware_config.aug [edit]
[-] postfix_transport.aug [edit]
[-] xml.aug [edit]
[-] postfix_virtual.aug [edit]
[-] xorg.aug [edit]
[-] postgresql.aug [edit]
[-] xymon.aug [edit]
[-] properties.aug [edit]
[-] xymon_alerting.aug [edit]
[-] protocols.aug [edit]
[-] yum.aug [edit]
[-] puppet_auth.aug [edit]
[-] puppetfile.aug [edit]
[-] vsftpd.aug [edit]
[-] puppetfileserver.aug [edit]
[-] anaconda.aug [edit]
[-] pylonspaste.aug [edit]
[-] pythonpaste.aug [edit]
[-] qpid.aug [edit]
[-] quote.aug [edit]
[-] rabbitmq.aug [edit]
[-] redis.aug [edit]
[-] webmin.aug [edit]
[-] reprepro_uploaders.aug [edit]
[-] resolv.aug [edit]
[-] rhsm.aug [edit]
[-] rmt.aug [edit]
[-] rsyncd.aug [edit]
[-] rsyslog.aug [edit]
[-] rx.aug [edit]
[-] samba.aug [edit]
[-] schroot.aug [edit]
[-] securetty.aug [edit]
[-] sep.aug [edit]
[-] services.aug [edit]
[-] shadow.aug [edit]
[-] shells.aug [edit]
[-] shellvars.aug [edit]
[-] shellvars_list.aug [edit]
[-] simplelines.aug [edit]
[-] simplevars.aug [edit]
[-] sip_conf.aug [edit]
[-] slapd.aug [edit]
[-] slapd_140.aug [edit]
[-] smbusers.aug [edit]
[-] solaris_system.aug [edit]
[-] soma.aug [edit]
[-] spacevars.aug [edit]
[-] splunk.aug [edit]
[-] squid.aug [edit]
[-] ssh.aug [edit]
[-] sshd.aug [edit]
[-] sshd_140.aug [edit]
[-] sssd.aug [edit]
[-] stunnel.aug [edit]
[-] subversion.aug [edit]
[-] sudoers.aug [edit]
[-] sysconfig.aug [edit]
[-] sysconfig_route.aug [edit]
[-] sysctl.aug [edit]
[-] syslog.aug [edit]
[-] systemd.aug [edit]
[-] thttpd.aug [edit]
[-] tuned.aug [edit]
[-] up2date.aug [edit]
[-] updatedb.aug [edit]
[-] wine.aug [edit]