Commit Graph

82 Commits

Author SHA1 Message Date
Henri DF
d0e489b5c2 Remove unneccessary HAS_FILTERING conditional 2016-04-12 18:29:48 -07:00
Henri DF
89b1a55d9e Add file output 2016-04-13 01:19:27 +00:00
Henri DF
b2698f9d20 Set up outputs listed in configuration object 2016-04-13 01:19:21 +00:00
Henri DF
179e5519ce Small refactoring of output config
This is a step towards being able to support multiple outputs of
different types (including file outputs which require their own config).
2016-04-12 23:21:14 +00:00
Henri DF
42de0507fa search for yaml config file
In order:
1) cmdline opt
2) in-tree path
3) /etc/digwatch.yaml
2016-04-12 23:14:44 +00:00
Henri DF
73ec593931 Add a configuration::init() that just sets up defaults
(For when no config file is being used)
2016-04-12 23:13:18 +00:00
Henri DF
dc099bfb91 Add configuration object and Yaml parser
These aren't wired up yet.
2016-04-12 23:13:15 +00:00
Henri DF
af4089dac3 Build and link yaml-cpp lib 2016-04-12 23:13:12 +00:00
Henri DF
b4859015ea Add support for reading .scap files 2016-04-08 16:51:16 -07:00
Henri DF
709568b578 Command-line options simplification
Remove -N and always turn resolution off. Given the possible performance
impact, there shouldn't even be a way to have it on.
2016-04-07 15:12:15 -07:00
Henri DF
dcbae750c8 Remove the need for DIGWATCH_LUA_DIR env var 2016-04-06 23:05:41 +00:00
Henri DF
c7d0c7dbd9 Remove unneeded -m <lua_main_filename> param 2016-04-06 23:05:41 +00:00
Henri DF
f7ba825023 Remove dep on nixio by adding simple syslog lua function 2016-04-06 11:44:00 -07:00
Henri DF
77440750e6 Load probe 2016-04-04 18:39:42 -07:00
Henri DF
86e1eeffb2 Statically link in lpeg lua library 2016-04-04 15:07:16 -07:00
Henri DF
39b1f64510 Packaging: Bundle lua files 2016-03-31 21:18:23 -07:00
Henri DF
37d0f7d3e0 Build .deb, .rpm, and .tgz 2016-03-31 18:54:52 -07:00
Henri DF
8ae908fe85 Rework cmake files
Rather than do include_directory() on the whole sysdig repo, just do it
for driver, libscap, and libsinp.

This is a step on the way to building a digwatch package.
2016-03-31 18:39:49 -07:00
Henri DF
c9806407e8 Priority level internal handling
Handle internally as ints, then translate as appropriate in outputs
2016-03-30 14:38:18 -07:00
Henri DF
d6dee28bbe Output simplification
The Output is now chosen globally (for all rules), on the command line.
2016-03-30 14:27:19 -07:00
Henri DF
f44bd06f1d Remove unused/unimplemented options 2016-03-30 13:20:31 -07:00
Henri DF
5f0123317a Remove function outputs from grammar 2016-03-30 13:00:51 -07:00
Henri DF
6158168a97 Grammar support for priorities 2016-03-29 21:35:07 -07:00
Henri DF
38957d3b14 Add timestamp in function outputs 2016-03-29 19:54:15 -07:00
Henri DF
97d7b125ba Implicit time in output formats
As pointed out by Loris, timestamping output messages should be a
responsibility of the output/collection system.

So as a first step towards this, add timestamps automatically for output
formats, and remove them from rules.
2016-03-29 19:47:57 -07:00
Henri DF
aea9b0054b Minor error handling improvements 2016-03-29 19:31:34 -07:00
Henri DF
faf36cd8d7 Use new sysdig support for fast processing of in-exprs 2016-03-24 14:25:48 -07:00
Henri DF
aa31d0a0fb Optimization: don't nest at every boolean op 2016-03-18 13:10:07 -07:00
Henri DF
9043c89a9b Nice formatting when printing ASTs 2016-03-16 13:00:03 -07:00
Henri DF
7104d52466 minor cmakefile cleanup 2016-03-07 17:27:20 -08:00
Henri DF
8c6bb8a236 Set Lua cpath along with path 2016-03-04 17:54:18 -08:00
Henri DF
331042858f Initial version of outputs.lua 2016-03-03 16:13:08 -08:00
Henri DF
5f681b1bd8 Signal handlers and clean(er) exit 2016-03-04 00:11:09 +00:00
Henri DF
ea158baa8d Fix error string 2016-03-02 22:24:12 +00:00
Henri DF
33ad92e98b Fix typo-bug in lua code 2016-03-01 22:01:45 -08:00
Henri DF
f0da1c724b formats.cpp: print lua error string (like elsewherE) 2016-03-01 22:01:14 -08:00
Henri DF
8343d23c3f remove debugging print from rules_loader.lua 2016-03-01 20:10:34 -08:00
Henri DF
26fcf3415d Add digwatch.fields() to Lua API 2016-03-01 21:54:20 +00:00
Henri DF
3195c8abea formats.{cpp,h}: Get rid of global vars 2016-03-01 21:54:18 +00:00
Henri DF
0cdbdf9215 minor include cleanups 2016-03-01 10:49:19 -08:00
Henri DF
6a99c1a978 Basic support for function calls in outputs 2016-02-29 20:15:50 -08:00
Henri DF
1b7a5bd119 compiler: keep source in FunctionCall ASTs 2016-02-29 13:37:16 -08:00
Henri DF
55b2490314 coding convention 2016-02-28 21:14:46 -08:00
Henri DF
1c04ed7874 rework digwatch event output handling
the high-level change is that events matching a rule are now send into a
lua "on_event" function for handling, rather than doing the handling
down in c++.

more specifics:

before, the lua "load_rule" function registered formatters with
associated IDs with the c++ side, which later used this state to
reconcile events with formats and print output accordingly.

now, no such state is kept on the c++ side. the lua "load_rule" function
maintains the id->formatters map, and uses it to print outputs when it
receives events.

this change simplifies the existing flow and will also make the forthcoming
implementation of function outputs far simpler than it would have been
in the current setup.
2016-02-28 21:06:29 -08:00
Henri DF
f71de57a90 fix unused vars warning in digwatch.cpp 2016-02-28 20:28:47 -08:00
Henri DF
c695051990 rule_loader.lua: comments cleanups 2016-02-28 23:50:10 +00:00
Henri DF
6569f0372d Grammar: support function-call syntax in outputs
This change adds syntax support for function call outputs. For example:

... | syslog(evt, WARN)

Regular outputs are still allowed and parsed in the same way.
2016-02-28 14:28:00 -08:00
Henri DF
733548b80b Grammar: fix commas in lists
commas were (unintentionally) optional in lists. so a list like (a b c)
was a valid three-element list.
2016-02-28 14:24:54 -08:00
Henri DF
96942f8034 Grammar: parse array lookup in fields 2016-02-28 13:20:35 -08:00
Henri DF
4053b7241e Fix 'in' clause expansion 2016-02-25 10:54:42 -08:00