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Author SHA1 Message Date
Michael Schurter 095d2ee340 Switch java/exec to use Exec in Executor 2017-04-21 16:25:49 -07:00
Michael Schurter caf317e3f2 Use a DriverAbility to expose Exec functionality 2017-04-19 12:42:47 -07:00
Michael Schurter e204a287ed Refactor Consul Syncer into new ServiceClient 
Fixes #2478 #2474 #1995 #2294

The new client only handles agent and task service advertisement. Server
discovery is mostly unchanged.

The Nomad client agent now handles all Consul operations instead of the
executor handling task related operations. When upgrading from an
earlier version of Nomad existing executors will be told to deregister
from Consul so that the Nomad agent can re-register the task's services
and checks.

Drivers - other than qemu - now support an Exec method for executing
abritrary commands in a task's environment. This is used to implement
script checks.

Interfaces are used extensively to avoid interacting with Consul in
tests that don't assert any Consul related behavior.
 2017-04-19 12:42:47 -07:00
Alex Dadgar 4ecebe7d8c Proper reference counting through task restarts 
This PR fixes an issue in which the reference count on a Docker image
would become inflated through task restarts.
 2017-03-25 17:05:53 -07:00
Alex Dadgar f9323f03df Drivers log during fingerprinting 
This PR fixes a regression in which some drivers did not log during
fingerprinting.
 2017-02-20 19:35:51 -08:00
Michael Schurter 295c2bf74a Merge pull request #2186 from hashicorp/f-driver-cleanup 
Add Cleanup method to Driver interface
 2017-01-20 13:02:14 -08:00
Michael Schurter a3a3656dbb Switch to use recoverable errors from Cleanup 
TaskRunner handles retrying but Cleanup handles all of CreatedResources.
 2017-01-13 16:46:08 -08:00
Michael Schurter dc68aa1a5a Return errors from cleanup and let TaskRunner retry 2017-01-12 17:21:54 -08:00
Diptanu Choudhury 6809a4b104 Added executorconfig 2017-01-12 15:47:58 -08:00
Diptanu Choudhury b1d0078db5 Filter executor log messages 2017-01-12 11:54:19 -08:00
Michael Schurter 4d081490e6 Add Cleanup method to Driver interface 
Cleanup can be used for cleaning up resources created by drivers to run
a task. Initially the Docker driver is the only user (to remove
downloaded images).
 2017-01-11 17:23:33 -08:00
Michael Schurter baf6f078d6 Remove task name prefix from executor logs 2017-01-05 16:31:56 -08:00
Michael Schurter 3ea09ba16a Move chroot building into TaskRunner 
* Refactor AllocDir to have a TaskDir struct per task.
* Drivers expose filesystem isolation preference
* Fix lxc mounting of `secrets/`
 2017-01-05 16:31:49 -08:00
Michael Schurter ea92cd102a Append host env vars on every task env 2016-12-20 12:24:24 -08:00
Michael Schurter 770ed703d0 Add Driver.Prestart method 
The Driver.Prestart method currently does very little but lays the
foundation for where lifecycle plugins can interleave execution _after_
task environment setup but _before_ the task starts.

Currently Prestart does two things:

* Any driver specific task environment building
* Download Docker images

This change also attaches a TaskEvent emitter to Drivers, so they can
emit events during task initialization.
 2016-12-02 11:03:48 -08:00
Alex Dadgar 0cbd0188b1 Move the wait result to bottom of methods 2016-11-04 14:58:55 -07:00
Alex Dadgar 41b5679015 Advertise signalling abilities 2016-10-19 15:06:23 -07:00
Alex Dadgar 53eeec9bc1 Merge pull request #1801 from hashicorp/f-signals 
Consul-template signal change mode
 2016-10-18 11:23:47 -07:00
Alex Dadgar 86238387e7 Send Executor Ctx separately 2016-10-12 11:35:29 -07:00
Alex Dadgar 00a1234c55 Executor + Java/Raw Exec/Exec 2016-10-10 11:47:04 -07:00
Alex Dadgar 280af8f4d1 Docker + Qemu 2016-10-10 11:47:04 -07:00
Jay Oster 2ae059b41d Address review comments 
- Simplify map length check in Linux Executor
- Added a `chroot_env` test for config parser
- Moved `ChrootEnv` field from ExecutorCommand to ExecutorContext
- Added a test for `chroot_env` functionality
 2016-08-04 15:33:06 -07:00
Jay Oster 7df692226a Add config field to specify chroot mapping for exec driver 
- Same format as used by the internal chroot mapping
- Map: source_path -> dest_path
- Example HCL:

client {
  chroot_env {
    "/etc" = "/etc"
    "/lib" = "/lib"
    "/opt/projects/foo/bin" = "/usr/bin"
  }
}
 2016-08-03 17:17:17 -07:00
Sean Chittenden a5dc6c2da9
Push the Client's cleanup of Cgroups down 2016-07-09 23:45:33 -07:00
Alex Dadgar e952540f6f Allocation resources returned in a struct 2016-06-11 21:04:10 -07:00
Diptanu Choudhury 6c1b60ff07 Add the Stats api to driverhandle 2016-05-28 19:42:34 -07:00
Sean Chittenden d1268cfb76 Break out the windows vs UNIX Fingerprinter 
cgroup's are applicable to Windows and will require a more specific abstraction.  Stub out the difference.  The *NIX exec drivers will likely be broken out over time (e.g. *BSD and Solaris).
 2016-05-07 12:37:15 -07:00
Sean Chittenden 09f7d5e595 Prefer golang.org/x/sys/unix where appropriate 
Favor the `unix` package on *NIX platforms vs the now frozen `syscall` package.
 2016-05-07 11:01:45 -07:00
Alex Dadgar 736ef76cc1 Put the executor into the cgroup to avoid a fork race 2016-04-18 17:59:08 -07:00
Ivo Verberk 6d0191a485 Add missing comments on exported Validate function 2016-04-10 01:15:09 +02:00
Ivo Verberk 13a2d62bfa Implement configuration validation for all task drivers 2016-04-10 00:42:57 +02:00
Ivo Verberk 542603dec6 Add helper to validate raw configuration data 2016-04-10 00:42:43 +02:00
Diptanu Choudhury d9afcc1293 Using the paths of cgroups to reconstruct the manager 2016-04-02 12:37:19 -07:00
Diptanu Choudhury 121773607a Merge pull request #1020 from hashicorp/f-capture-signals 
Capturing signals from wait
 2016-04-02 11:13:04 -07:00
Diptanu Choudhury e47ead97da Capturing signals from wait 2016-04-01 14:31:19 -07:00
Diptanu Choudhury 8c7c48b01a Logging in fingerprinters only when state changes 2016-04-01 02:22:17 -07:00
Diptanu Choudhury fd3c05a2be Making driver fingerprinters run periodically and unblocking evals when node registration happens 2016-03-31 18:11:27 -07:00
Diptanu Choudhury f517eb16de Added version to executor 2016-03-29 22:24:22 -07:00
Diptanu Choudhury 2b773b0a39 Added the Version method to executor 2016-03-29 22:23:03 -07:00
Diptanu Choudhury a6711ea25f Introducing ConsulContext 2016-03-24 15:57:16 -07:00
Diptanu Choudhury f09bb1572a Fixed merge conflicts 2016-03-24 15:09:50 -07:00
Diptanu Choudhury 2a5f300f92 Added a check type for consul service to delegate certain checks 2016-03-24 14:54:26 -07:00
Diptanu Choudhury 60fc9919f7 Changing the log line 2016-03-24 14:53:53 -07:00
Diptanu Choudhury 6a62d4f452 Fixing check registration in perform sync 2016-03-24 14:12:09 -07:00
Alex Dadgar fc0e48b0ec Merge pull request #950 from mssola/raw-exec-user 
client: added the "user" option to tasks
 2016-03-24 08:57:13 -07:00
Diptanu Choudhury 76343a3748 Merge pull request #972 from hashicorp/scripts 
Moving consul service to executor
 2016-03-24 00:12:45 -07:00
Diptanu Choudhury 62242595fc Using the name of the task and the alloc id in the service name 2016-03-23 17:35:29 -07:00
Diptanu Choudhury 54a5e795a5 Hooking up the executor in all drivers 2016-03-23 13:19:45 -07:00
Alex Dadgar f3d09755c5 Pass environment variables from host to exec based tasks 2016-03-23 13:01:45 -07:00
Diptanu Choudhury f6a932194f Removing references to old consul services and adding consul config to executor context 2016-03-23 12:19:19 -07:00