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open-nomad/client
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Seth Hoenig d69556fb35
client: ensure minimal cgroup controllers enabled (#15027) 
* client: ensure minimal cgroup controllers enabled

This PR fixes a bug where Nomad could not operate properly on operating
systems that set the root cgroup.subtree_control to a set of controllers that
do not include the minimal set of controllers needed by Nomad.

Nomad needs these controllers enabled to operate:
- cpuset
- cpu
- io
- memory
- pids

Now, Nomad will ensure these controllers are enabled during Client initialization,
adding them to cgroup.subtree_control as necessary. This should be particularly
helpful on the RHEL/CentOS/Fedora family of system. Ubuntu systems should be
unaffected as they enable all controllers by default.

Fixes: https://github.com/hashicorp/nomad/issues/14494

* docs: cleanup doc string

* client: cleanup controller writes, enhance log messages
 		2022-10-24 16:08:54 -05:00
..
allocdir helpers: lockfree lookup of nobody user on unix systems (#14866) 2022-10-11 08:38:05 -05:00
allochealth 2 small data race fixes in logmon and check tests (#14538) 2022-09-13 12:54:06 -07:00
allocrunner e2e: convert flaky exec download in chroot unit test into e2e test (#14949) 2022-10-19 08:22:32 -05:00
allocwatcher test: use `T.TempDir` to create temporary test directory (#12853) 2022-05-12 11:42:40 -04:00
config acl: correctly resolve ACL roles within client cache. (#14922) 2022-10-20 09:37:32 +02:00
consul Merge branch 'main' into f-1.3-boogie-nights 2022-03-23 09:41:25 +01:00
devicemanager cleanup: replace TypeToPtr helper methods with pointer.Of (#14151) 2022-08-17 18:26:34 +02:00
dynamicplugins build: run gofmt on all go source files 2022-08-16 11:14:11 -05:00
fingerprint fingerprint: add node attr for reserverable cores (#14694) 2022-09-26 13:03:03 -07:00
interfaces artifact: fix numerous go-getter security issues 2022-05-24 16:29:39 -04:00
lib client: ensure minimal cgroup controllers enabled (#15027) 2022-10-24 16:08:54 -05:00
logmon 2 small data race fixes in logmon and check tests (#14538) 2022-09-13 12:54:06 -07:00
pluginmanager cleanup more helper updates (#14638) 2022-09-21 14:53:25 -05:00
servers feat: remove dependency to consul/lib 2022-04-09 13:22:44 +02:00
serviceregistration consul: register checks along with service on initial registration (#14944) 2022-10-19 12:40:56 -05:00
state cleanup more helper updates (#14638) 2022-09-21 14:53:25 -05:00
stats ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
structs client: add support for checks in nomad services 2022-07-12 17:09:50 -05:00
taskenv connect: interpolate task env in config values (#14445) 2022-09-02 15:00:28 -04:00
testutil client: cgroups v2 code review followup 2022-03-24 13:40:42 -05:00
vaultclient ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
acl.go acl: correctly resolve ACL roles within client cache. (#14922) 2022-10-20 09:37:32 +02:00
acl_test.go acl: correctly resolve ACL roles within client cache. (#14922) 2022-10-20 09:37:32 +02:00
agent_endpoint.go client: fix data races in config handling (#14139) 2022-08-18 16:32:04 -07:00
agent_endpoint_test.go ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
alloc_endpoint.go Task lifecycle restart (#14127) 2022-08-24 17:43:07 -04:00
alloc_endpoint_test.go Task lifecycle restart (#14127) 2022-08-24 17:43:07 -04:00
alloc_watcher_e2e_test.go job_hooks: add implicit constraint when using Consul for services. (#12602) 2022-04-20 14:09:13 +02:00
client.go cleanup: rename Equals to Equal for consistency (#14759) 2022-10-10 09:28:46 -05:00
client_stats_endpoint.go
…
client_stats_endpoint_test.go ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
client_test.go client: refactor cpuset manager initialization 2022-08-25 11:18:43 -05:00
csi_endpoint.go CSI: allow updates to volumes on re-registration (#12167) 2022-03-07 11:06:59 -05:00
csi_endpoint_test.go ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
driver_manager_test.go client: fix data races in config handling (#14139) 2022-08-18 16:32:04 -07:00
enterprise_client_oss.go gofmt all the files 2021-10-01 10:14:28 -04:00
fingerprint_manager.go fingerprint: lengthen Vault check after seen (#14693) 2022-09-26 12:14:19 -07:00
fingerprint_manager_test.go ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
fs_endpoint.go cleanup: replace TypeToPtr helper methods with pointer.Of (#14151) 2022-08-17 18:26:34 +02:00
fs_endpoint_test.go raw_exec: make raw exec driver work with cgroups v2 2022-04-04 16:11:38 -05:00
gc.go chore: fix incorrect docstring formatting. 2021-08-30 11:08:12 +02:00
gc_test.go ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
heartbeatstop.go client: fix race in heartbeat tracker (#14119) 2022-08-16 09:41:08 -07:00
heartbeatstop_test.go ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
node_updater.go client: fix data races in config handling (#14139) 2022-08-18 16:32:04 -07:00
rpc.go client: fix data races in config handling (#14139) 2022-08-18 16:32:04 -07:00
rpc_test.go ci: swap ci parallelization for unconstrained gomaxprocs 2022-03-15 12:58:52 -05:00
testing.go client: fix data races in config handling (#14139) 2022-08-18 16:32:04 -07:00
util.go Revert "client: defensive against getting stale alloc updates" 2020-06-19 15:39:44 -04:00