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31 Commits

Author SHA1 Message Date
Brian Brazil
3fdb92010e Expand OM to OpenMetrics 
Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
 2018-10-18 14:16:41 +01:00
Brian Brazil
9c03e11c2c Hook OpenMetrics parser into scraping. 
Extend metadata api to support units.

Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
 2018-10-18 13:58:00 +01:00
Brian Brazil
c271ef456a Add an OpenMetrics parser. 
This is based on the existing parser, and has slightly better
performance (few %) than it.

Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
 2018-10-18 13:58:00 +01:00
Brian Brazil
ffe7efb411 Prepare for multiple text formats 
Pass content type down to text parser.

Add layer of indirection in front of text parser,
and rename to avoid future clashes.

Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
 2018-10-18 13:58:00 +01:00
Brian Brazil
70c98a06f1
Handle empty HELP in text parser. (#4444) 
Fixes #4427

Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
 2018-08-01 13:29:58 +01:00
Fabian Reinartz
0ff42e754e pkg/textparse: unescape help string 
Signed-off-by: Fabian Reinartz <freinartz@google.com>
 2018-06-06 05:56:10 -04:00
Fabian Reinartz
5fcc5b6028 pkg/textparse: support null bytes in comments and help 
Signed-off-by: Fabian Reinartz <freinartz@google.com>
 2018-06-04 11:34:34 -04:00
Fabian Reinartz
76a4a46cb0 pkg/textparse: refactor and add metadata handling 
Extends the parser to allow retrieving metadata.
The lexer now yields proper tokens that are fed into a hand-written
parser on top.

Signed-off-by: Fabian Reinartz <freinartz@google.com>
 2018-05-25 11:27:25 -04:00
Filip Ochnik
ec1c6b7c29 textparse: reject empty label names 2018-02-04 17:37:46 +01:00
Julius Volz
c3d6abc8e6 Fix some lint errors (#3334) 
I left the promql ones and some others untouched as I remember that @fabxc
prefers them that way.
 2017-10-23 14:57:30 +01:00
Goutham Veeramachaneni
11ee713ced Handle common escape characters properly. (#2995) 
Fixes #2974

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-27 15:15:41 +02:00
Julius Volz
c6f41ce391 Allow metric and label names to begin with underscores (#2961) 
While this is not recommended, it is allowed in our data model
(https://prometheus.io/docs/concepts/data_model/).

Fixes https://github.com/prometheus/prometheus/issues/2959
 2017-07-18 12:35:41 +02:00
Goutham Veeramachaneni
b7eddbcd98 textparse: Add fuzzing and fix bug caught 
See https://github.com/cznic/golex/issues/11 for info on the bug

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-07 11:12:17 +02:00
Goutham Veeramachaneni
0e78b7e7c8 parser: support spaces everywhere 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-05 15:52:21 +02:00
Brian Brazil
dd07f693c8 Single quotes are not valid label value delimiters. 2017-06-20 10:54:39 +01:00
Brian Brazil
a6ca391e6e Reject scrapes with invalid utf-8 label values. 2017-06-20 10:54:39 +01:00
Fabian Reinartz
bc7aff8cef retrieval: extract scrape cache 2017-05-30 09:37:23 -07:00
Fabian Reinartz
a83014f53c retrieval: fix memory leak and consumption for caches 2017-05-26 08:44:24 +02:00
Fabian Reinartz
bdc763f95f pkg/textparse: allow null bytes in label values 2017-05-24 14:52:46 +02:00
Fabian Reinartz
ea09299ca5 pkg/textparse: handle trailing labels comma (#2752) 2017-05-22 11:15:40 +02:00
Brian Brazil
beaa7d5a43 Move consistent NaN logic into the parser. 2017-05-16 18:33:51 +01:00
Fabian Reinartz
f7c5d96e84 pkg/textparse: parse metric names with ':' 2017-05-09 12:21:19 +02:00
Fabian Reinartz
377886b371 pkg/textparse: implement timestamp parsing 2017-04-27 17:02:07 +02:00
Brian Brazil
5c9a6ce747 Add license to files. 
This should fix CI for dev-2.0.
 2017-04-19 13:46:22 +01:00
Fabian Reinartz
d9fb57cde4 *: Simplify []byte to string unsafe conversion 2017-03-07 11:41:11 +01:00
Fabian Reinartz
d80a3de235 pkg/textparse: add documentation 2017-01-17 08:16:47 +01:00
Fabian Reinartz
db48726a6b pkg/textparse: allocate single string per metric 2017-01-16 17:24:00 +01:00
Fabian Reinartz
c691895a0f retrieval: cache series references, use pkg/textparse 
With this change the scraping caches series references and only
allocates label sets if it has to retrieve a new reference.
pkg/textparse is used to do the conditional parsing and reduce
allocations from 900B/sample to 0 in the general case.
 2017-01-16 12:03:57 +01:00
Fabian Reinartz
fb3ab9bdb7 pkg/textparse: add more benchmarking, align lex defs 2017-01-15 17:32:57 +01:00
Fabian Reinartz
e44d80314d pkg/textparse: add tests and method to retrieve full labels 2017-01-14 19:30:19 +01:00
Fabian Reinartz
091a7f2395 pkg/textparse: add initial text parser 2017-01-14 16:39:04 +01:00