luxolus/open-nomad
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Author SHA1 Message Date
Mahmood Ali 3a1cb51539 schedulers: check all drivers on node 
When checking driver feasability for an alloc with multiple drivers, we
must check that all drivers are detected and healthy.

Nomad 0.9 and 0.8 have a bug where we may check a single driver only,
but which driver is dependent on map traversal order, which is
unspecified in golang spec.
 2019-08-29 09:03:31 -04:00
Mahmood Ali 3da10b5cb3 scheduler: tests for multiple drivers in TG 2019-08-29 09:03:31 -04:00
Danielle Lancashire 3a5e48ad18
scheduler: Implicit constraint on readonly hostvol 
When a Client declares a volume is ReadOnly, we should only schedule it
for requests for ReadOnly volumes. This change means that if a host
exposes a readonly volume, we then validate that the group level
requests for the volume are all read only for that host.
 2019-08-21 20:57:05 +02:00
Danielle Lancashire e132a30899
structs: Unify Volume and VolumeRequest 2019-08-12 15:39:08 +02:00
Danielle fc53283489
Update scheduler/feasible.go 
Co-Authored-By: Mahmood Ali <mahmood@hashicorp.com>
 2019-08-12 15:39:08 +02:00
Danielle Lancashire 073836ec67
scheduler: Add a feasability checker for Host Vols 2019-08-12 15:39:08 +02:00
Alex Dadgar 5198ff05c3 convert driver to device for device constraint/attributes 2019-01-23 10:58:45 -08:00
Alex Dadgar 4bdccab550 goimports 2019-01-22 15:44:31 -08:00
Danielle Tomlinson 9c72dafc95 scheduler: Add is_set/is_not_set constraints 
This adds constraints for asserting that a given attribute or value
exists, or does not exist. This acts as a companion to =, or !=
operators, e.g:

```hcl
constraint {
        attribute = "${attrs.type}"
        operator  = "!="
        value     = "database"
}

constraint {
        attribute = "${attrs.type}"
        operator  = "is_set"
}
```
 2018-11-15 11:00:32 -08:00
Danielle Tomlinson e5c641daa9 scheduler: Allow comparisons of nil values 
This commit allows the ConstraintChecker to test values that do not exist.
This is useful when wanting to _exclude_ given nodes from executing a
job, for example, if you wanted to give canary nodes an attribute, and
not run critical services on them, you may specify something like the
below, but not want to tag all other nodes with the inverse.

```hcl
constraint {
  attribute = "${node.attr.canary}
  operator = "!="
  value = "1"
}
```

This also requires all constraint checkers to allow for nil target
values, as they will no longer be short circuited by resolving a target.
 2018-11-13 13:36:51 -08:00
Alex Dadgar a7ca737fb6 review comments 2018-11-07 11:31:52 -08:00
Alex Dadgar 6fa893c801 affinities 2018-11-07 10:32:03 -08:00
Alex Dadgar feb83a2be3 assign devices 2018-11-07 10:32:03 -08:00
Preetha Appan 53c3f8151b
fix linting 2018-10-16 18:29:49 -05:00
Alex Dadgar f5a76d8411 review comments 2018-10-15 15:31:13 -07:00
Alex Dadgar 7ecd65109a Check constraints on devices 2018-10-14 13:35:47 -07:00
Alex Dadgar 5284554fcc rework device checker 2018-10-13 16:47:53 -07:00
Alex Dadgar 9b5aaac410 Device feasability checker 2018-10-13 12:27:49 -07:00
Alex Dadgar 3c19d01d7a server 2018-09-15 16:23:13 -07:00
Preetha Appan 038ed52877
Fix after rename to ConstraintSetContainsAny 2018-09-04 16:10:11 -05:00
Preetha Appan dccb693221
test for setcontainsany, and treat set_contains same as set_contains_all 2018-09-04 16:10:11 -05:00
Preetha Appan 5eacd6ada4
Implement affinity support in generic scheduler 2018-09-04 16:10:11 -05:00
Chelsea Holland Komlo 329605b7cc fix up scheduling test 2018-03-21 15:54:03 -04:00
Chelsea Holland Komlo 60f12d206f improve comments; update watchDriver 2018-03-21 15:15:26 -04:00
Chelsea Holland Komlo d92703617c simplify logic 
bump log level
 2018-03-21 15:15:26 -04:00
Chelsea Holland Komlo d8f68e5ef8 fix up codereview feedback 2018-03-21 15:15:26 -04:00
Chelsea Holland Komlo 3aa726baab fix scheduler driver name; create node structs file 2018-03-21 15:15:25 -04:00
Chelsea Holland Komlo 3cba95e8a7 allow nomad to schedule based on the status of a client driver health check 
Slight updates for go style
 2018-03-21 15:15:25 -04:00
Alex Dadgar c1cc51dbee sync 2017-10-13 14:36:02 -07:00
Alex Dadgar 601cbd7784 Feedback addressed 2017-03-09 21:36:27 -08:00
Alex Dadgar b65d248dee Fix filtering issue and add a test that would catch it 2017-03-09 16:20:39 -08:00
Alex Dadgar 7945e4564c Refactor 2017-03-09 15:26:46 -08:00
Alex Dadgar 60c42f745a Split distinct property and host iterator and add iterator to system stack 2017-03-08 19:00:10 -08:00
Alex Dadgar 319b24081f cleanup 2017-03-08 17:57:31 -08:00
Alex Dadgar a439bf709d Property Set 2017-03-08 17:50:40 -08:00
Alex Dadgar d83a8fe9f2 Unoptimized implementation + testing 2017-03-07 14:48:54 -08:00
Alex Dadgar 989827e402 Add set contains 2016-10-19 13:06:28 -07:00
Sean Chittenden dc28ab0cb5
Speling police 2016-05-15 09:41:34 -07:00
Alex Dadgar d1011c9668 Fixes 2016-02-19 15:49:32 -08:00
Alex Dadgar 80345a2953 resolveConstraintTargets checks for bracket syntax 2016-02-16 10:03:04 -08:00
Alex Dadgar 5018f5dd1e Only interpret vars wrapped in braces 2016-02-04 17:26:46 -08:00
Alex Dadgar 9dc22532e5 Respond to comments 2016-01-26 16:43:42 -08:00
Alex Dadgar 1bd9bece62 Change the unique namespace on the node 2016-01-26 15:16:43 -08:00
Alex Dadgar 2b7d42bf9b FeasibilityWrapper uses computed node class eligibility to call feasibility checks minimally 2016-01-26 15:16:43 -08:00
Alex Dadgar 5d23025df8 EvalEligibility in context 2016-01-26 15:16:43 -08:00
Alex Dadgar 5e71751a1d Add node class to constraints 2015-12-21 17:15:34 -08:00
Alex Dadgar 3cdbfc010f Remove weight and hard/soft fields from constraint 2015-10-27 14:31:14 -07:00
Alex Dadgar 1784387e1d Rename Dynamic -> ProposedAllocConstraintIterator 2015-10-26 14:12:54 -07:00
Alex Dadgar a9135b92b2 Cleanup DynamicConstraintIterator 2015-10-26 14:01:32 -07:00
Alex Dadgar fd9c2baf02 Constants for constraints and renaming to use undescore instead of camel 2015-10-26 13:47:56 -07:00