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1005 Commits (8b5805bbb443fa11953a8ed8436174a78b4ee995)

Author SHA1 Message Date
Fabian Reinartz 5279d50d92 Handle parser runtime panics gracefully 2015-08-02 13:42:18 +02:00
Julius Volz 4e4b468fba Fix lexer bug treating non-Latin Unicode digits as digits. 
Fixes https://github.com/prometheus/prometheus/issues/939
 2015-07-29 02:11:13 +02:00
Fabian Reinartz 3d67d75935 promql: implement JSON array format for scalar and string 2015-07-06 13:09:26 +02:00
Fabian Reinartz 77e8983221 promql: add MarshalJSON method for SamplePair 2015-07-06 10:29:59 +02:00
Fabian Reinartz c1d37bc55b Merge pull request #843 from prometheus/fabxc/runbook 
promql: add runbook to alert statement.
 2015-06-25 14:07:45 +02:00
Fabian Reinartz 70d7a987a7 promql: add json tags, fix query constructor. 2015-06-25 13:44:05 +02:00
Fabian Reinartz 749ae450c5 promql: add runbook to alert statement. 
This commit adds the RUNBOOK keyword to alert statements. The field
is optional and expected to be a link.
 2015-06-25 13:00:52 +02:00
Fabian Reinartz 7f85b9b215 promql: add MarshalJSON method for ExprType. 2015-06-25 12:01:26 +02:00
Fabian Reinartz 1eff186555 Merge pull request #810 from prometheus/fabxc/lmatch 
Match empty labels.
 2015-06-22 15:45:50 +02:00
Fabian Reinartz 5b91ea9b36 storage: improve label matching and allow unset matching. 
Matching of empty labels now also matches metrics where the label
was not explicitly set to the empty string.
 2015-06-22 15:33:44 +02:00
Fabian Reinartz 94cd321be1 promql: error if all label matchers are empty. 2015-06-22 15:33:44 +02:00
Fabian Reinartz fe301d7946 promql: remove global flags 2015-06-15 19:01:06 +02:00
Julius Volz 5e2d1c1464 Deprecate `keeping_extra`, rename it to `keep_common`. 
`keep_common` is more in line with the function name
`drop_common_labels()` terminology-wise, and also more in line with
`group_left`/`group_right` (no `...ing` verb suffix).

We could also go the full way and call it `keep_common_labels`. That
would have the benefit of being even more consistent with the function
`drop_common_labels()` and would be more explanatory, but it also seems
quite long.
 2015-06-12 14:21:05 +02:00
Fabian Reinartz e7659f908c promql: remove DotGraph methods from nodes. 2015-06-12 09:48:14 +02:00
Fabian Reinartz c716d8a47b promql: fix aggregation expression String() method. 
Fixes #794.
 2015-06-12 09:48:01 +02:00
Fabian Reinartz c32ae22119 promql: fix missing metric in range results. 2015-06-11 23:50:53 +02:00
Fabian Reinartz 0acd44b0e3 promql: expose ParseMetric and ParseMetricSelector 2015-06-11 12:22:11 +02:00
Fabian Reinartz cb10ceac18 promql: allow scalar expressions in range queries, improve errors. 
These changes allow to do range queries over scalar expressions.
Errors on bad types for range queries are now raised on query creation
rather than evaluation.
 2015-06-10 18:36:02 +02:00
Fabian Reinartz ab9c98acac web/api: add initial API v1 implementation. 2015-06-06 21:47:36 +02:00
Fabian Reinartz 03b737322e promql: expose storage and query engine for tests 2015-06-04 19:00:22 +02:00
Fabian Reinartz 319068a7a6 promql: fix parsing ambiguity for serial repetitions 2015-06-04 19:00:22 +02:00
Fabian Reinartz c60e3387ef promql: fix lexing of \r as whitespaces 2015-06-02 18:33:49 +02:00
Fabian Reinartz 0de6edbdfc Move pkg/ to util/ 2015-06-01 21:12:32 +02:00
Fabian Reinartz dbc0d30e3e Move string functionality to pkg/strutil 2015-06-01 21:12:32 +02:00
Fabian Reinartz ccf51b132e Move stats package to pkg/stats 2015-06-01 21:12:31 +02:00
Fabian Reinartz 3c8fbf1e15 Move test package to pkg/testutil 2015-06-01 21:12:31 +02:00
Brian Brazil f34de493d5 Add increase() function, to replace delta(..., 1). 
This calculates how much a counter increases over
a given period of time, which is the area under the curve
of it's rate.

increase(x[5m]) is equivilent to rate(x[5m]) * 300.
 2015-05-26 22:49:21 +01:00
Julius Volz d44a89c6e8 Implement changes() function. 
changes() takes a range vector and returns the number of times a value
has changed in the given time window for each time series as an instant
vector.
 2015-05-26 19:06:22 +02:00
Julius Volz 6f33ed9e59 Add resets() function to count counter resets. 
resets() returns for every range vector element how many counter
resets there have been in the specified range.
 2015-05-26 17:56:52 +02:00
Fabian Reinartz b7eb105ffa Remove test flags in help output 2015-05-23 12:23:33 +02:00
beorn7 3b9c421a69 Weed out all the [Gg]et* method names. 
The only exception is getNumChunksToPersist to avoid naming the struct
member numChunksToPersist in a weird way.
 2015-05-20 19:13:06 +02:00
Fabian Reinartz ac4d63b833 Merge pull request #689 from prometheus/fabxc/qltest 
Add basic testing language, migrate tests
 2015-05-18 19:22:48 +02:00
Fabian Reinartz 0d3012a605 Migrate matrix tests, remove old test files. 2015-05-18 17:50:12 +02:00
Fabian Reinartz 71ef7ab405 Migrate remaining vector evaluation tests to new testing language. 2015-05-18 17:47:47 +02:00
Fabian Reinartz 3c22eded97 Migrate literal tests to testing language. 2015-05-18 17:47:47 +02:00
Fabian Reinartz eba07a7d3d Migrate histogram tests to test language. 2015-05-18 17:47:47 +02:00
Fabian Reinartz 03094eff04 Migrate parsing error tests. 
The promql_test checks failure of various bad syntaxed queries.
Those are moved into the parser tests as the new testing language
only deals with valid queries.
 2015-05-18 17:47:47 +02:00
Fabian Reinartz 6321964738 Add parsing and execution of new test format. 
This commit adds a new test structure that parses and executes
the new testing language.
 2015-05-18 17:47:47 +02:00
Fabian Reinartz a236c01457 Add time series description parsing. 
This commit adds parsing of time series description to the exisiting
query language parser. Time series descriptions are defined by a
metric followed by a sequence of values.
 2015-05-18 17:29:32 +02:00
Fabian Reinartz d122749b39 Enhance lexer testing output 2015-05-18 17:19:17 +02:00
Fabian Reinartz ce487f763e Simplify vector binary evaluation logic 2015-05-17 00:02:34 +02:00
Fabian Reinartz 8a109e061b Extract OR operation into own eval method. 2015-05-16 14:00:11 +02:00
Fabian Reinartz 2c3e9e2e87 Extract AND operation into own eval method. 2015-05-16 13:33:03 +02:00
Fabian Reinartz 4234a45d2e Merge pull request #693 from prometheus/fabxc/preload_timeout 
Check context before each preloading.
 2015-05-12 12:25:22 +02:00
Fabian Reinartz 8ea94ebb58 Check context before each preloading. 2015-05-12 12:03:30 +02:00
Fabian Reinartz 969c231191 Make parser more strict about identifiers, extract number parsing 2015-05-11 11:45:23 +02:00
Fabian Reinartz 8707c54508 Fix single quote parsing, add tests 2015-05-08 16:43:02 +02:00
Fabian Reinartz 9ab1f6c690 Limit maximum number of concurrent queries. 
A high number of concurrent queries can slow each other down
so that none of them is reasonbly responsive. This commit limits
the number of queries being concurrently executed.
 2015-05-06 11:34:17 +02:00
Fabian Reinartz d59d1cb2c1 Fix Error() methods. 2015-05-01 17:58:58 +02:00
Fabian Reinartz 6649306e63 Merge pull request #660 from prometheus/fabxc/pql/parse-errs 
Fix and improve parsing error output.
 2015-04-30 13:31:13 +02:00
Fabian Reinartz 279831cdf1 Fix and improve parsing error output. 2015-04-30 12:19:39 +02:00
Fabian Reinartz fe935179cd Stop routing rule statements through the engine. 2015-04-29 18:01:43 +02:00
Fabian Reinartz 25cdff3527 Remove `name` arg from `Parse*` functions, enhance parsing errors. 2015-04-29 16:38:41 +02:00
Fabian Reinartz 5602328c7c Refactor query evaluation. 
This copies the evaluation logic from the current rules/ package.
The new engine handles the execution process from query string to final result.
It provides query timeout and cancellation and general flexibility for
future changes.

functions.go: Add evaluation implementation. Slight changes to in/out data but
	not to the processing logic.
quantile.go: No changes.
analyzer.go: No changes.
engine.go: Actually new part. Mainly consists of evaluation methods
	which were not changed.
setup_test.go: Copy of rules/helpers_test.go to setup test storage.
promql_test.go: Copy of rules/rules_test.go.
 2015-04-28 14:19:05 +02:00
Fabian Reinartz 32b7595c47 Create promql package with lexer/parser. 
This commit creates a (so far unused) package. It contains the a custom
lexer/parser for the query language.

ast.go: New AST that interacts well with the parser.
lex.go: Custom lexer (new).
lex_test.go: Lexer tests (new).
parse.go: Custom parser (new).
parse_test.go: Parser tests (new).
functions.go: Changed function type, dummies for parser testing (barely changed/dummies).
printer.go: Adapted from rules/ and adjusted to new AST (mostly unchanged, few additions).
 2015-04-23 16:04:50 +02:00