/usr/share/augeas/lenses/dist/chrony.aug is in augeas-lenses 1.10.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 | (*
Module: Chrony
Parses the chrony config file
Author: Pat Riehecky <riehecky@fnal.gov>
About: Reference
This lens tries to keep as close as possible to chrony config syntax
See http://chrony.tuxfamily.org/manual.html#Configuration-file
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 /etc/chrony.conf
See <filter>.
*)
module Chrony =
autoload xfm
(************************************************************************
* Group: Import provided expressions
************************************************************************)
(* View: empty *)
let empty = Util.empty
(* View: eol *)
let eol = Util.eol
(* View: space *)
let space = Sep.space
(* Variable: email_addr *)
let email_addr = Rx.email_addr
(* Variable: word *)
let word = Rx.word
(* Variable: integer *)
let integer = Rx.relinteger
(* Variable: decimal *)
let decimal = Rx.reldecimal
(* Variable: ip *)
let ip = Rx.ip
(* Variable: path *)
let path = Rx.fspath
(************************************************************************
* Group: Create required expressions
************************************************************************)
(* Variable: number *)
let number = integer | decimal | decimal . /[eE]/ . integer
(* Variable: address_re *)
let address_re = Rx.ip | Rx.hostname
(*
View: comment
from 4.2.1 of the upstream doc
Chrony comments start with: ! ; # or % and must be on their own line
*)
let comment = Util.comment_generic /[ \t]*[!;#%][ \t]*/ "# "
(* Variable: no_space
No spaces or comment characters
*)
let no_space = /[^ \t\r\n!;#%]+/
(* Variable: cmd_options
Server/Peer/Pool options with values
*)
let cmd_options = "key"
| /maxdelay((dev)?ratio)?/
| /(min|max)poll/
| /(min|max)samples/
| "maxsources"
| "offset"
| "polltarget"
| "port"
| "presend"
| "version"
(* Variable: cmd_flags
Server/Peer/Pool options without values
*)
let cmd_flags = "auto_offline"|"iburst"|"noselect"|"offline"|"prefer"
|"require"|"trust"|"xleave"
(* Variable: ntp_source
Server/Peer/Pool key names
*)
let ntp_source = "server"|"peer"|"pool"
(* Variable: allowdeny_types
Key names for access configuration
*)
let allowdeny_types = "allow"|"deny"|"cmdallow"|"cmddeny"
(* Variable: hwtimestamp_options
HW timestamping options with values
*)
let hwtimestamp_options = "minpoll"|"precision"|"rxcomp"|"txcomp"
(* Variable: hwtimestamp_flags
HW timestamping options without values
*)
let hwtimestamp_flags = "nocrossts"
(* Variable: local_options
local options with values
*)
let local_options = "stratum"|"distance"
(* Variable: local_flags
local options without values
*)
let local_flags = "orphan"
(* Variable: ratelimit_options
Rate limiting options with values
*)
let ratelimit_options = "interval"|"burst"|"leak"
(* Variable: refclock_options
refclock options with values
*)
let refclock_options = "refid"|"lock"|"poll"|"dpoll"|"filter"|"rate"
|"minsamples"|"maxsamples"|"offset"|"delay"
|"precision"|"maxdispersion"
(* Variable: refclock_flags
refclock options without values
*)
let refclock_flags = "noselect"|"prefer"|"require"|"trust"
(* Variable: flags
Options without values
*)
let flags = "dumponexit"
| "generatecommandkey"
| "lock_all"
| "manual"
| "noclientlog"
| "rtconutc"
| "rtcsync"
(* Variable: log_flags
log has a specific options list
*)
let log_flags = "measurements"|"rawmeasurements"|"refclocks"|"rtc"
|"statistics"|"tempcomp"|"tracking"
(* Variable: simple_keys
Options with single values
*)
let simple_keys = "acquisitionport" | "bindacqaddress"
| "bindaddress" | "bindcmdaddress" | "clientloglimit"
| "combinelimit" | "commandkey"
| "cmdport" | "corrtimeratio" | "driftfile"
| "dumpdir" | "hwclockfile" | "include" | "keyfile"
| "leapsecmode" | "leapsectz" | "linux_freq_scale"
| "linux_hz" | "logbanner" | "logchange" | "logdir"
| "maxclockerror" | "maxdistance" | "maxdrift"
| "maxjitter" | "maxsamples" | "maxslewrate"
| "maxupdateskew" | "minsamples" | "minsources"
| "ntpsigndsocket" | "pidfile"
| "port" | "reselectdist" | "rtcautotrim" | "rtcdevice"
| "rtcfile" | "sched_priority" | "stratumweight" | "user"
(************************************************************************
* Group: Make some sub-lenses for use in later lenses
************************************************************************)
(* View: host_flags *)
let host_flags = [ space . key cmd_flags ]
(* View: host_options *)
let host_options = [ space . key cmd_options . space . store number ]
(* View: log_flag_list *)
let log_flag_list = [ space . key log_flags ]
(* View: store_address *)
let store_address = [ label "address" . store address_re ]
(************************************************************************
* Group: Lenses for parsing out sections
************************************************************************)
(* View: all_flags
options without any arguments
*)
let all_flags = [ Util.indent . key flags . eol ]
(* View: kv
options with only one arg can be directly mapped to key = value
*)
let kv = [ Util.indent . key simple_keys . space . (store no_space) . eol ]
(* Property: Options with multiple values
Each of these gets their own parsing block
- server|peer|pool <address> <options>
- allow|deny|cmdallow|cmddeny [all] [<address[/subnet]>]
- log <options>
- broadcast <interval> <address> <optional port>
- fallbackdrift <min> <max>
- hwtimestamp <interface> <options>
- initstepslew <threshold> <addr> <optional extra addrs>
- local <options>
- mailonchange <emailaddress> <threshold>
- makestep <threshold> <limit>
- maxchange <threshold> <delay> <limit>
- ratelimit|cmdratelimit <options>
- refclock <driver> <parameter> <options>
- smoothtime <maxfreq> <maxwander> <options>
- tempcomp <sensorfile> <interval> (<t0> <k0> <k1> <k2> | <pointfile> )
*)
(* View: host_list
Find all NTP sources and their flags/options
*)
let host_list = [ Util.indent . key ntp_source
. space . store address_re
. ( host_flags | host_options )*
. eol ]
(* View: allowdeny
allow/deny/cmdallow/cmddeny has a specific syntax
*)
let allowdeny = [ Util.indent . key allowdeny_types
. [ space . key "all" ]?
. ( space . store ( no_space - "all" ) )?
. eol ]
(* View: log_list
log has a specific options list
*)
let log_list = [ Util.indent . key "log" . log_flag_list+ . eol ]
(* View: bcast
broadcast has specific syntax
*)
let bcast = [ Util.indent . key "broadcast"
. space . [ label "interval" . store integer ]
. space . store_address
. ( space . [ label "port" . store integer ] )?
. eol ]
(* View: fdrift
fallbackdrift has specific syntax
*)
let fdrift = [ Util.indent . key "fallbackdrift"
. space . [ label "min" . store integer ]
. space . [ label "max" . store integer ]
. eol ]
(* View: hwtimestamp
hwtimestamp has specific syntax
*)
let hwtimestamp = [ Util.indent . key "hwtimestamp"
. space . [ label "interface" . store no_space ]
. ( space . ( [ key hwtimestamp_flags ]
| [ key hwtimestamp_options . space . store number ] )
)*
. eol ]
(* View: istepslew
initstepslew has specific syntax
*)
let istepslew = [ Util.indent . key "initstepslew"
. space . [ label "threshold" . store number ]
. ( space . store_address )+
. eol ]
(* View: local
local has specific syntax
*)
let local = [ Util.indent . key "local"
. ( space . ( [ key local_flags ]
| [ key local_options . space . store no_space ] )
)*
. eol ]
(* View: email
mailonchange has specific syntax
*)
let email = [ Util.indent . key "mailonchange" . space
. [ label "emailaddress" . store email_addr ]
. space
. [ label "threshold" . store number ]
. eol ]
(* View: makestep
makestep has specific syntax
*)
let makestep = [ Util.indent . key "makestep"
. space
. [ label "threshold" . store number ]
. space
. [ label "limit" . store integer ]
. eol ]
(* View: maxchange
maxchange has specific syntax
*)
let maxchange = [ Util.indent . key "maxchange"
. space
. [ label "threshold" . store number ]
. space
. [ label "delay" . store integer ]
. space
. [ label "limit" . store integer ]
. eol ]
(* View: ratelimit
ratelimit/cmdratelimit has specific syntax
*)
let ratelimit = [ Util.indent . key /(cmd)?ratelimit/
. [ space . key ratelimit_options
. space . store no_space ]*
. eol ]
(* View: refclock
refclock has specific syntax
*)
let refclock = [ Util.indent . key "refclock"
. space
. [ label "driver" . store word ]
. space
. [ label "parameter" . store no_space ]
. ( space . ( [ key refclock_flags ]
| [ key refclock_options . space . store no_space ] )
)*
. eol ]
(* View: smoothtime
smoothtime has specific syntax
*)
let smoothtime = [ Util.indent . key "smoothtime"
. space
. [ label "maxfreq" . store number ]
. space
. [ label "maxwander" . store number ]
. ( space . [ key "leaponly" ] )?
. eol ]
(* View: tempcomp
tempcomp has specific syntax
*)
let tempcomp = [ Util.indent . key "tempcomp"
. space
. [ label "sensorfile" . store path ]
. space
. [ label "interval" . store number ]
. space
. ( [ label "t0" . store number ] . space
. [ label "k0" . store number ] . space
. [ label "k1" . store number ] . space
. [ label "k2" . store number ]
| [ label "pointfile" . store path ] )
. eol ]
(************************************************************************
* Group: Final lense summary
************************************************************************)
(* View: settings
* All supported chrony settings
*)
let settings = host_list | allowdeny | log_list | bcast | fdrift | istepslew
| local | email | makestep | maxchange | refclock | smoothtime
| hwtimestamp | ratelimit | tempcomp | kv | all_flags
(*
* View: lns
* The crony lens
*)
let lns = ( empty | comment | settings )*
(* View: filter
* The files parsed by default
*)
let filter = incl "/etc/chrony.conf"
let xfm = transform lns filter
|