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650 Commits

Author SHA1 Message Date
Pierre Souchay b77fd5ce9d 64000 max limit to DNS messages since there is overhead 
Added debug log to give information about truncation.
 2018-03-07 16:14:41 +01:00
Pierre Souchay be39fb20cc [BUGFIX] do not break when TCP DNS answer exceeds 64k 
It will avoid having discovery broken when having large number
of instances of a service (works with SRV and A* records).

Fixes https://github.com/hashicorp/consul/issues/3850
 2018-03-07 10:08:06 +01:00
Mitchell Hashimoto 8217564c48
agent/consul/fsm: begin using testify/assert 2018-03-06 09:48:15 -08:00
Pierre Souchay 0b7f620dc6 Allow to control the number of A/AAAA Record returned by DNS 
This allows to have randomized resource records (i.e. each
answer contains only one IP, but the IP changes every request) for
A, AAAA records.

It will fix https://github.com/hashicorp/consul/issues/3355 and
https://github.com/hashicorp/consul/issues/3937

See https://github.com/hashicorp/consul/issues/3937#issuecomment-370610509
for details.

It basically add a new option called `a_record_limit` and will not
return more than a_record_limit when performing A, AAAA or ANY DNS
requests.

The existing `udp_answer_limit` option is still working but should
be considered as deprecated since it works only with DNS clients
not supporting EDNS.
 2018-03-06 02:07:42 +01:00
Edd Steel 41b1d45cc7
Re-use defined endpoints for tests 2018-03-03 11:19:18 -08:00
Paul Banks 9a47449c6d
Merge pull request #3899 from pierresouchay/fix_blocking_queries_index 
Services Indexes modified per service instead of using a global Index
 2018-03-02 16:24:43 +00:00
Pierre Souchay 360dc1dd8d Simplified error handling for maxIndexForService 
* added unit tests to ensure service index is properly garbage collected
* added Upgrade from Version 1.0.6 to higher section in documentation
 2018-03-01 14:09:36 +01:00
Paul Banks dbaabb1dbc
Fix test running in non-bash shells 2018-02-22 14:06:06 +00:00
Paul Banks 6da6e086ef
Merge pull request #3900 from hashicorp/fix-monitor-sigint-3891 
Fixes #3891: agent monitor no longer unresponsive before logs stream.
 2018-02-21 21:28:33 +00:00
Preetha Appan 80791d5b21
Remove extra newline 2018-02-21 13:21:47 -06:00
Preetha Appan 907b97b7f2
Unit test that calls revokeLeadership twice to make sure its idempotent 2018-02-21 12:48:53 -06:00
Preetha Appan f59abcc394
Make sure revokeLeadership is called if establishLeadership errors 2018-02-21 12:33:22 -06:00
Alex Dadgar 18bf9647d5 Test autopilots start/stop idempotency 2018-02-21 10:19:30 -08:00
Alex Dadgar 33c5afdb31 Improve autopilot shutdown to be idempotent 2018-02-20 15:51:59 -08:00
Pierre Souchay a8d3745104 Fixed comments for function maxIndexForService 2018-02-20 23:57:28 +01:00
Pierre Souchay 09351ba9a6 [Revert] Only update services if tags are different 
This patch did give some better results, but break watches on
the services of a node.

It is possible to apply the same optimization for nodes than
to services (one index per instance), but it would complicate
further the patch.

Let's do it in another PR.
 2018-02-20 23:34:42 +01:00
Pierre Souchay 60454b570a Only update services if tags are different 2018-02-20 23:08:04 +01:00
Pierre Souchay a05d38737c Enable Raft index optimization per service name on health endpoint 
Had to fix unit test in order to check properly indexes.
 2018-02-20 01:35:50 +01:00
Paul Banks de58eb1820
Fixes #3891: agent monitor no longer unresponsive before logs stream. 
The root cause is actually that the agent's streaming HTTP API didn't flush until the first log line was found which commonly was pretty soon since the default level is INFO. In cases where there were no logs immediately due to level for instance, the client gets stuck in the HTTP code waiting on a response packet from the server before we enter the loop that checks the shutdown channel from the signal handler.

This fix flushes the initial status immediately on the streaming endpoint which lets the client code get into it's expected state where it's listening for shutdown or log lines.
 2018-02-19 21:53:10 +00:00
Pierre Souchay 4f10fae3c3 Get only first service to test whether we have to cleanup index of a service 2018-02-19 22:44:49 +01:00
Pierre Souchay bac8fb046f Fixed comment about raftIndex + use test.Helper() 2018-02-19 19:30:25 +01:00
Pierre Souchay 73127ef407 Services Indexes modified per service instead of using a global Index 
This patch improves the watches for services on large cluster:
each service has now its own index, such watches on a specific service
are not modified by changes in the global catalog.

It should improve a lot the performance of tools such as consul-template
or libraries performing watches on very large clusters with many
services/watches.
 2018-02-19 18:29:22 +01:00
Edd Steel d0f0d67b4a
Clarify comments 2018-02-17 17:46:11 -08:00
Edd Steel f770f360e9 Test every endpoint for OPTIONS/MethodNotFound 2018-02-17 17:34:13 -08:00
Edd Steel c5f0bb3711 Allow endpoints to handle OPTIONS/MethodNotFound themselves 2018-02-17 17:34:03 -08:00
Edd Steel f5af8b0f03
Initialise `allowedMethods` in init() 2018-02-17 17:31:24 -08:00
Kyle Havlovitz 139b98a427
Fix the coordinate update endpoint not passing the ACL token 2018-02-15 11:58:02 -08:00
Edd Steel 77f19f7505
Support OPTIONS requests 
- register endpoints with supported methods
- support OPTIONS requests, indicating supported methods
- extract method validation (error 405) from individual endpoints
- on 405 where multiple methods are allowed, create a single Allow
  header with comma-separated values, not multiple Allow headers.
 2018-02-12 10:15:31 -08:00
Andrei Burd b608091014 adding human readability for dns requests debug log (#3751) 2018-02-11 09:02:28 -06:00
Pierre Souchay b259b1609c Merge remote-tracking branch 'origin/master' into service_metadata 2018-02-11 13:20:49 +01:00
Pierre Souchay 9a57dfd68a Fixed TestSanitize unit test 2018-02-11 12:11:11 +01:00
James Phillips 3724e49ddf
Fixes a panic on TCP-based DNS lookups. 
This came in via the monkey patch in #3861.

Fixes #3877
 2018-02-08 17:57:41 -08:00
Pierre Souchay 66fdf445e8 Added unit tests for structs and fixed PartialClone() 2018-02-09 01:37:45 +01:00
James Phillips c2a59f1e6c
Addresses additional state mutations. 
Did a sweep of 84d6ac2d51
and checked them all.
 2018-02-07 07:02:10 -08:00
James Phillips 1c6de1d623
Fixes all the racy output-side updates to tags. 2018-02-06 20:35:55 -08:00
James Phillips 11f6961e47
Adds a more robust unit test for index churn. 2018-02-06 20:35:38 -08:00
Pierre Souchay 80dde5465b Added support for Service Metadata 2018-02-07 01:54:42 +01:00
James Phillips d9a6e2a901
Makes server manager shift away from failed servers from Serf events. 
Because this code was doing pointer equality checks, it would work for
the case of a failed attempted RPC because the objects are from the
manager itself:

https://github.com/hashicorp/consul/blob/v1.0.3/agent/consul/rpc.go#L283-L302

But the pointer check would always fail for events coming in from the
Serf path because the server object is newly-created:

https://github.com/hashicorp/consul/blob/v1.0.3/agent/router/serf_adapter.go#L14-L40

This means that we didn't proactively shift RPC traffic away from a
failed server, we'd have to wait for an RPC to fail, which exposes
the error to the calling client.

By switching over to a name check vs. a pointer check we get the correct
behavior. We added a DEBUG log as well to help observe this behavior during
integrated testing.

Related to #3863 since the fix here needed the same logic duplicated, owing
to the complicated atomic stuff.

/cc @dadgar for a heads up in case this also affects Nomad.
 2018-02-05 17:56:00 -08:00
James Phillips fc155dac19
Adds a before/after test for #3845. 2018-02-05 16:18:29 -08:00
James Phillips 533f65b7a6
Merge pull request #3845 from 42wim/tagfix 
Fix service tags not added to health check. Part two
 2018-02-05 16:18:00 -08:00
Kyle Havlovitz f6ecaa4a1c
Add enterprise default config section 2018-02-05 13:33:59 -08:00
James Phillips e748c63fff
Merge pull request #3855 from hashicorp/pr-3782-slackpad 
Adds support for gRPC health checks.
 2018-02-02 17:57:27 -08:00
James Phillips 5f31c8d8d3
Changes "TLS" to "GRPCUseTLS" since it only applies to GRPC checks. 2018-02-02 17:29:34 -08:00
Wim ce771f1fb3 Fix service tags not added to health check. Part two 2018-01-29 20:32:44 +01:00
Veselkov Konstantin 5f38e1148a fix refactoring 2018-01-28 22:53:30 +04:00
Veselkov Konstantin 8e16bd7d77 fix refactoring 2018-01-28 22:48:21 +04:00
Veselkov Konstantin 7de57ba4de remove golint warnings 2018-01-28 22:40:13 +04:00
James Phillips 9cd602de06
Improves user lookup error message. 
Closes #3188
Closes #3184
 2018-01-26 07:56:44 -08:00
Kyle Havlovitz 144e6e7d31
Remove nonvoter from metadata.Server 2018-01-25 17:08:03 -08:00
James Phillips 64acd0ade0
Gets rid of named return parameters. 
This wasn't wrong before but we don't generally use this style in
Consul.
 2018-01-25 14:29:50 -08:00
James Phillips b443bd1438
Moves non-stdlib includes into their own section. 2018-01-25 14:26:15 -08:00
Kyle Havlovitz bfeb09983b
Reset clusterHealth when autopilot starts 2018-01-23 12:52:28 -08:00
Kyle Havlovitz 17805e4634
Move autopilot health loop into leader operations 2018-01-23 11:17:41 -08:00
James Phillips c190b35b0e
Updates web assets to latest. 2018-01-22 14:46:07 -08:00
Kyle Havlovitz cde1e7ceb6
Merge pull request #3821 from hashicorp/persist-file-handling 
Add graceful handling of malformed persisted service/check files.
 2018-01-22 12:31:33 -08:00
Kyle Havlovitz f156b12b22
Merge pull request #3820 from hashicorp/serfwan-port-fix 
Enforce a valid port for the Serf WAN since it can't be disabled.
 2018-01-19 15:40:56 -08:00
James Phillips 93fd6bfeb4
Moves the coordinate fetch after the ACL check. 2018-01-19 15:25:22 -08:00
Kyle Havlovitz 68ae92cb8c
Don't remove the files, just log an error 2018-01-19 14:25:51 -08:00
Kyle Havlovitz 8c5be2dd97
Enforce a valid port for the Serf WAN since it can't be disabled. 
Fixes #3817
 2018-01-19 14:22:23 -08:00
Kyle Havlovitz 4e325a6b8f
Add graceful handling of malformed persisted service/check files. 
Previously a change was made to make the file writing atomic,
but that wasn't enough to cover something like an OS crash so we
needed something here to handle the situation more gracefully.

Fixes #1221.
 2018-01-19 14:07:36 -08:00
James Hartig aedab91a66 Resolve symlinks in config directory 
Docker/Openshift/Kubernetes mount the config file as a symbolic link and
IsDir returns true if the file is a symlink. Before calling IsDir, the
symlink should be resolved to determine if it points at a file or
directory.

Fixes #3753
 2018-01-12 15:43:38 -05:00
James Phillips 9509aa6c4b
Adds the NodeID field back to the /v1/agent/self Config block. 
Fixes #3778
 2018-01-10 15:17:54 -08:00
James Phillips ebcd1787db
Adds more info about how to fix the private IP error. 
Closes #3790
 2018-01-10 09:53:41 -08:00
James Phillips 48cfe6ff5f
Fixes crash where body was optional for PQ endpoint (it is not). 
Fixes #3791
 2018-01-10 09:33:49 -08:00
Dmytro Kostiuchenko 1a10b08e82 Add gRPC health-check #3073 2018-01-04 16:42:30 -05:00
Diptanu Choudhury 294151c1ad Using labels 2017-12-21 20:30:29 -08:00
Diptanu Choudhury 006eab2394 Added telemetry around Catalog APIs 2017-12-21 16:35:12 -08:00
James Phillips 5b88b8df38
Updates the checked in web assets. 2017-12-20 19:51:04 -08:00
James Phillips 6412d8d9aa
Updates the built-in web assets. 2017-12-20 17:48:51 -08:00
James Phillips 7a46d9c1e3
Wraps HTTP mux to ban all non-printable characters from paths. 2017-12-20 15:47:53 -08:00
James Phillips 2edc11b44c
Updates the built-in web UI assets. 2017-12-20 13:43:52 -08:00
James Phillips da6a4635b0
Fixes a `go fmt` cleanup. 2017-12-20 13:43:38 -08:00
Kyle Havlovitz 11a0c9cc58
Fix vet error 2017-12-18 18:04:42 -08:00
Kyle Havlovitz 77dc52f430
Move autopilot initializing to oss file 2017-12-18 18:02:44 -08:00
Kyle Havlovitz 039e7f1880
Move autopilot setup to a separate file 2017-12-18 16:55:51 -08:00
Kyle Havlovitz d08ab9fd19
Make some final tweaks to autopilot package 2017-12-18 12:26:47 -08:00
Kyle Havlovitz a86d11ec0a
Merge pull request #3737 from hashicorp/autopilot-refactor 
Move autopilot to a standalone package
 2017-12-15 14:09:40 -08:00
James Phillips 06f980061e
Merge pull request #3728 from weiwei04/fix_globalRPC_goroutine_leak 
fix globalRPC goroutine leak
 2017-12-14 17:54:19 -08:00
James Phillips f491a55e47
Merge pull request #3642 from yfouquet/master 
[Fix] Service tags not added to health checks
 2017-12-14 13:59:39 -08:00
James Phillips ca3f9024ac
Works around mapstructure behavior to enable sessions with no checks. 
Fixes #3732
 2017-12-14 09:07:56 -08:00
Kyle Havlovitz 324c2ecb53
Expose IsPotentialVoter for advanced autopilot logic 2017-12-13 17:53:51 -08:00
James Phillips 98e837167e
Changes maps to merge vs. overwrite when processing configs. 
Fixes #3716
 2017-12-13 16:06:01 -08:00
Kyle Havlovitz 12bf61c851
Merge branch 'master' into autopilot-refactor 2017-12-13 11:54:32 -08:00
Kyle Havlovitz d6b266c045
A few last autopilot adjustments 2017-12-13 11:19:17 -08:00
Kyle Havlovitz 2310687c1d
More autopilot reorganizing 2017-12-13 10:57:37 -08:00
James Phillips 46742a5041
Adds TODOs referencing #3744. 2017-12-13 10:52:06 -08:00
James Phillips 2892f91d0b
Copies the autopilot settings from the runtime config. 
Fixes #3730
 2017-12-13 10:32:05 -08:00
Kyle Havlovitz b92f895c23
More refactoring to make autopilot consul-agnostic 2017-12-12 17:46:28 -08:00
Yoann Fouquet 986148cfe5 [Fix] Service tags not added to health checks 
Since commit 9685bdcd0b, service tags are added to the health checks.
Otherwise, when adding a service, tags are not added to its check.

In updateSyncState, we compare the checks of the local agent with the checks of the catalog.
It appears that the service tags are different (missing in one case), and so the check is synchronized.
That increase the ModifyIndex periodically when nothing changes.

Fixed it by adding serviceTags to the check.

Note that the issue appeared in version 0.8.2.
Looks related to #3259.
 2017-12-12 13:39:37 +01:00
Kyle Havlovitz de28555671
Move autopilot to a standalone package 2017-12-11 16:45:33 -08:00
James Phillips d12e81860f
Moves Serf helper into lib to fix import cycle in consul-enterprise. 2017-12-07 16:57:58 -08:00
James Phillips 5065f3d82e
Turns of intent queue warnings and enables dynamic queue sizing. 2017-12-07 16:27:06 -08:00
Wei Wei cc9648c957 fix globalRPC goroutine leak 
Signed-off-by: Wei Wei <weiwei.inf@gmail.com>
 2017-12-05 11:53:30 +08:00
James Phillips 3e46544085
Creates a registration mechanism for snapshot and restore. 2017-11-29 18:36:53 -08:00
James Phillips f53f521072
Begins split out of snapshots from the main FSM class. 2017-11-29 18:36:53 -08:00
James Phillips c8e763667f
Creates a registration mechanism for FSM commands. 2017-11-29 18:36:53 -08:00
James Phillips 78292662d7
Moves the FSM into its own package. 
This will help make it clearer what happens when we add some registration
plumbing for the different operations and snapshots.
 2017-11-29 18:36:53 -08:00
James Phillips e810697e06
Resolves an FSM snapshot TODO. 
This adds checks for sink write calls before we continue the refactor, which
will resolve the other TODO comment we deleted as part of this change.
 2017-11-29 18:36:53 -08:00
James Phillips aa61159b74
Creates a registration mechanism for schemas. 
This also splits out the registration into the table-specific source
files.
 2017-11-29 18:36:52 -08:00
James Phillips 93ff33b1be
Creates a registration mechanism for RPC endpoints. 2017-11-29 18:36:52 -08:00