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Author SHA1 Message Date
Michael Schurter 38182bebea Drop log level to TRACE 
For people not using driver networks these log lines would just be
confusing.
 2018-01-18 15:35:24 -08:00
Michael Schurter 9d410c88a7 Improve driver network logging 2018-01-18 15:35:24 -08:00
Michael Schurter 30dd570061 Fix interpolation bug with service/check updates 
Previously if only an interpolated variable used in a service or check
was changed we interpolated the old and new services and checks with the
new variable, so nothing appeared to have changed.
 2017-12-08 12:03:00 -08:00
Alex Dadgar 05b1588cea Only publish metric when the task is running and dev mode publishes metrics 2017-11-15 13:21:06 -08:00
Michael Schurter f86f0bd9ea Handle leader task being dead in RestoreState 
Fixes the panic mentioned in
https://github.com/hashicorp/nomad/issues/3420#issuecomment-341666932

While a leader task dying serially stops all follower tasks, the
synchronizing of state is asynchrnous. Nomad can shutdown before all
follower tasks have updated their state to dead thus saving the state
necessary to hit this panic: *have a non-terminal alloc with a dead
leader.*

The actual fix is a simple nil check to not assume non-terminal allocs
leader's have a TaskRunner.
 2017-11-15 10:36:13 -08:00
Preetha Appan 0eaef09675 Remove event GenericSource, and address other code review comments. Also added deprecation info in comments. 2017-11-03 10:10:06 -05:00
Preetha Appan 5f09c968b3 Move logic for determinic event display message to task_runner, added two new fields DisplayMessage and Details. 2017-11-03 09:13:01 -05:00
Alex Dadgar 4173834231 Enable more linters 2017-09-26 15:26:33 -07:00
Michael Schurter 67a4a169a9 Name const after what it represents 2017-09-15 14:57:18 -07:00
Michael Schurter 4dbaa52aba Fold SetFailure into SetRestartTriggered 2017-09-14 16:48:39 -07:00
Michael Schurter 73fb71ca10 RestartDelay isn't needed as checks are re-added on restarts 
@dadgar made the excellent observation in #3105 that TaskRunner removes
and re-registers checks on restarts. This means checkWatcher doesn't
need to do *any* internal restart tracking. Individual checks can just
remove themselves and be re-added when the task restarts.
 2017-09-14 16:48:39 -07:00
Michael Schurter 06dd86adbd Remove unused lastStart field 2017-09-14 16:47:41 -07:00
Michael Schurter 0447f79288 Removed partially implemented allocLock 2017-09-14 16:47:41 -07:00
Michael Schurter ade29ecbed Improve check watcher logging and add tests 
Also expose a mock Consul Agent to allow testing ServiceClient and
checkWatcher from TaskRunner without actually talking to a real Consul.
 2017-09-14 16:47:41 -07:00
Michael Schurter a137676358 Add comments and move delay calc to TaskRunner 2017-09-14 16:46:54 -07:00
Michael Schurter 8a87475498 Use existing restart policy infrastructure 2017-09-14 16:46:54 -07:00
Michael Schurter 22690c5f4c Add check watcher for restarting unhealthy tasks 2017-09-14 16:46:54 -07:00
Chelsea Holland Komlo a8cbd0b559 fixups from code review 2017-09-05 14:13:34 +00:00
Chelsea Holland Komlo c634043069 create base labels to be used in every metric 2017-09-05 14:13:34 +00:00
Chelsea Holland Komlo f5ea83da8d emit metrics using labels, add option for backwards compatibility 2017-09-05 14:12:57 +00:00
Michael Schurter ff3944a981 Update and test service/check interpolation 2017-08-17 16:49:14 -07:00
Michael Schurter b4813747d0 Merge pull request #3043 from hashicorp/f-2441-shutdown-delay 
Add optional shutdown delay to tasks
 2017-08-17 14:37:48 -07:00
Michael Schurter 0726ca75e3 Make shutdown delay log DEBUG, not INFO 2017-08-17 11:28:33 -07:00
Michael Schurter d529b422b2 Add optional shutdown delay to tasks 
Fixes #2441

Defaults to 0 (no delay) for backward compat and because this feature
should be opt-in.
 2017-08-16 17:59:46 -07:00
Alex Dadgar 1a86aecf55 Add version package 
This PR adds a version package and consolidates version strings into a
Version struct.
 2017-08-16 15:44:21 -07:00
Alex Dadgar 6b238edc22 Merge pull request #3001 from hashicorp/f-template-events 
Template emits events explaining why it is blocked
 2017-08-10 13:00:58 -07:00
Alex Dadgar 83ba2f1814 Template emits events explaining why it is blocked 
This PR does the following:
* Adds a mechanism to emit events in the TaskRunner
* Vendors a new version of Consul-Template that allows extraction of
missing dependencies
* Adds logic to our consul_template.go to determine missing events and
emit them in a batched fashion.
* Refactors the consul_template code to split the run method and take in
a config struct rather than many parameters.

Fixes https://github.com/hashicorp/nomad/issues/2578
 2017-08-09 18:01:27 -07:00
Alex Dadgar 4f6f6a13c8 Emit generic task events 2017-08-07 21:26:04 -07:00
Luke Farnell f0ced87b95 fixed all spelling mistakes for goreport 2017-08-07 17:13:05 -04:00
Michael Schurter d840fc8c95 Fix tr race by not sharing alloc/task 
prestart only needs the original alloc/task so pass their pointers in.
Task updates may concurrently replace the pointer on tr.
 2017-07-21 16:17:42 -07:00
Michael Schurter 8d1d8eac46 Fix handle race 2017-07-21 14:00:32 -07:00
Michael Schurter 38cb2021dd Always interpolate task before calling with Consul 
Also switch to returning a copy of the task to avoid races between
altering the Task and persitence.
 2017-07-21 13:37:16 -07:00
Michael Schurter 9a7f649e56 Don't save task runner state if it is destroyed 2017-07-20 10:17:41 -07:00
Michael Schurter c0eff81383 Fix Service.AddressMode changes during task updates 2017-06-21 17:19:08 -07:00
Michael Schurter 67d154a274 Test driver network advertisement and checks 2017-06-21 17:19:08 -07:00
Michael Schurter b9bfb84b53 Implement DriverNetwork and Service.AddressMode 
Ideally DriverNetwork would be fully populated in Driver.Prestart, but
Docker doesn't assign the container's IP until you start the container.

However, it's important to setup the port env vars before calling
Driver.Start, so Prestart should populate that.
 2017-06-21 17:19:08 -07:00
Michael Schurter 15ef740ab6 Add env.Builder.UpdateTask for alloc updates 2017-05-23 16:00:57 -07:00
Michael Schurter e7db2c9b0e Handle Driver.Prestart returning nil, nil 2017-05-23 13:53:34 -07:00
Michael Schurter fd9bef768f Move task env into execcontext 
Also inject PATH into rkt commands since we're no longer appending host
env vars for it.
 2017-05-23 13:53:34 -07:00
Michael Schurter 37b148fb60 Add PortMap to struct returned by Driver.Prestart 
Moves env.Builder out of drivers entirely so one less thing to worry
about when implementing driver plugins.
 2017-05-23 13:53:34 -07:00
Michael Schurter 83c641ced0 Move env template handling into consul_template.go 2017-05-23 13:53:34 -07:00
Michael Schurter a2eb7d17c9 Improve PortMap handling and simplify Builder creation 2017-05-23 13:53:34 -07:00
Michael Schurter 8da110855e Move path building to task dir initialization 2017-05-23 13:53:34 -07:00
Michael Schurter d2c08ff24b Refactor TaskEnvironment into Builder and TaskEnv 2017-05-23 13:53:33 -07:00
Michael Schurter 10b6610e56 Functional consul template env file support 2017-05-23 13:45:14 -07:00
Michael Schurter 06f937bf28 Merge pull request #2591 from hashicorp/b-2180-script-updates 
Properly interpolate services on updated tasks
 2017-05-17 09:09:01 -07:00
Alex Dadgar ba70cc4f01 Merge branch 'master' into f-bolt-db 2017-05-09 11:11:55 -07:00
Alex Dadgar 843bc26e5d Respond to comments 2017-05-09 10:50:24 -07:00
Michael Schurter 5b8415df2c Merge pull request #2585 from hashicorp/b-2554-container-exec 
Execute exec/java script checks in containers
 2017-05-05 10:31:18 -07:00
Michael Schurter 28e17b7a09 Test pre06ScriptCheck 2017-05-04 16:49:00 -07:00