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446 Commits

Author SHA1 Message Date
Frank Schroeder d14adc6b4d
fix go vet issue 2017-10-25 19:30:35 +02:00
Frank Schroeder 96fdbd00a6
replace custom unique id with a UUID 2017-10-25 19:30:35 +02:00
Frank Schroeder 8f145559d8
Decouple the code that executes checks from the agent 2017-10-25 11:18:07 +02:00
Frank Schroeder 1cb8b0ffe3
local state: fix go vet issue 2017-10-23 10:56:05 +02:00
Frank Schroeder 7335c34c32
local state: remove stale comment 2017-10-23 10:56:05 +02:00
Frank Schroeder 3d547e30c7
local state: make test more robust 2017-10-23 10:56:05 +02:00
Frank Schroeder 52e73301f6
local state: clone check to avoid side effect 2017-10-23 10:56:05 +02:00
Frank Schroeder 6bc9d66192
local state: use synchronized access to internal maps 2017-10-23 10:56:05 +02:00
Frank Schroeder cc0499da3d
ae: do not trigger on Resume while holding the lock 2017-10-23 10:56:05 +02:00
Frank Schroeder 92f136de12
ae: add remaining test cases 2017-10-23 10:56:05 +02:00
Frank Schroeder 622ace2829
ae: refactor StateSyncer to state machine for better testing 2017-10-23 10:56:05 +02:00
Frank Schroeder 1212598ae2
ae: add test that we run a full before a partial sync 2017-10-23 10:56:05 +02:00
Frank Schroeder 4431e222fe
ae: make control flow more explicit 2017-10-23 10:56:05 +02:00
Frank Schroeder 3231385089
ae: fix typo in constructor name 2017-10-23 10:56:05 +02:00
Frank Schroeder 51daa96dfe
ae: add test for resume triggering SyncChanges 2017-10-23 10:56:05 +02:00
Frank Schroeder 92088d21e8
ae: add test for ifNotPausedRun 2017-10-23 10:56:05 +02:00
Frank Schroeder 11e172d1e9
ae: make stagger function pluggable for testing 2017-10-23 10:56:05 +02:00
Frank Schroeder e2452efed8
ae: restore previous pause/resume behavior 2017-10-23 10:56:04 +02:00
Frank Schroeder aba072bd1d
ae: ensure that syncs are blocked when paused 2017-10-23 10:56:04 +02:00
Frank Schroeder 58d52ac580
local state: rename Add{Check,Service}State to Set{Check,Service}State 2017-10-23 10:56:04 +02:00
Frank Schroeder e144f51b29
local state: move Metadata methods together 2017-10-23 10:56:04 +02:00
Frank Schroeder 4f9e05f634
local state: update documentation of updateSyncState 2017-10-23 10:56:04 +02:00
Frank Schroeder 41c7b0927e
local state: update comments 2017-10-23 10:56:04 +02:00
Frank Schroeder de57b16d99
local state: address review comments 
* move non-blocking notification mechanism into ae.Trigger
* move Pause/Resume into separate type
 2017-10-23 10:56:04 +02:00
Frank Schroeder 5c77c59501
local state: refactor TestAgentAntiEntropy_EnableTagOverride 
Make intent clearer by being more explicit and adding some comments.
Use verify.Values to compare service entries.
 2017-10-23 10:56:04 +02:00
Frank Schroeder 524981f367
local state: fix TestAgentAntiEntropy_EnableTagOverride 
The test had a race condition where it relied on the first service to be
synced to the remote catalog which sometimes failed.
 2017-10-23 10:56:04 +02:00
Frank Schroeder 1181aaee6a
local state: rename tests 2017-10-23 10:56:04 +02:00
Frank Schroeder 1602ac56b5
local state: drop retry loops from tests 
Since the tests are now using synchronous calls for state syncing
we no longer need to use retry loops to wait for the changes to
propagate.
 2017-10-23 10:56:04 +02:00
Frank Schroeder 7e3adc4549
agent: skip non-sensical TestCatalogRegister 
It is not clear what this test is supposed to verify.
 2017-10-23 10:56:04 +02:00
Frank Schroeder 71c74e62c7
local state: fix anti-entropy state tests 
The anti-entropy tests relied on the side-effect of the StartSync()
method to perform a full sync instead of a partial sync. This lead to
multiple anti-entropy go routines being started unnecessary retry loops.

This change changes the behavior to perform synchronous full syncs when
necessary removing the need for all of the time.Sleep and most of the
retry loops.
 2017-10-23 10:56:04 +02:00
Frank Schroeder 37b95ef98e
local state: fix test with updated error message 2017-10-23 10:56:04 +02:00
Frank Schroeder d2cc0e6e8a
local state: fix failing tests 2017-10-23 10:56:03 +02:00
Frank Schroeder b803bf3091
local state: tests compile 2017-10-23 10:56:03 +02:00
Frank Schroeder 0a9ac9749e
local state: replace multi-map state with structs 
The state of the service and health check records was spread out over
multiple maps guarded by a single lock. Access to the maps has to happen
in a coordinated effort and the tests often violated this which made
them brittle and racy.

This patch replaces the multiple maps with a single one for both checks
and services to make the code less fragile.

This is also necessary since moving the local state into its own package
creates circular dependencies for the tests. To avoid this the tests can
no longer access internal data structures which they should not be doing
in the first place.

The tests still don't compile but this is a ncessary step in that
direction.
 2017-10-23 10:56:03 +02:00
Frank Schroeder 6027a9e2a5
local state: move to separate package 
This patch moves the local state to a separate package to further
decouple it from the agent code.

The code compiles but the tests do not yet.
 2017-10-23 10:56:03 +02:00
Frank Schroeder c00bbdb5e4
agent: simplify some loops 2017-10-23 10:56:03 +02:00
Frank Schroeder cbaf97bced
agent: refactor sync loop to linear flow of control 2017-10-23 10:56:03 +02:00
Frank Schroeder 94ef1041a1
agent: cleanup StateSyncer 
This patch cleans up the state syncer code by renaming fields, adding
helpers and documentation.
 2017-10-23 10:56:03 +02:00
Frank Schroeder 29e18c7494
agent: decouple anti-entropy from local state 
The anti-entropy code manages background synchronizations of the local
state on a regular basis or on demand when either the state has changed
or a new consul server has been added.

This patch moves the anti-entropy code into its own package and
decouples it from the local state code since they are performing
two different functions.

To simplify code-review this revision does not make any optimizations,
renames or refactorings. This will happen in subsequent commits.
 2017-10-23 10:56:03 +02:00
Frank Schroeder 2e7ed2fd86
Merge pull request #3585 from hashicorp/document-runtime-config 
Moving the previous `agent/config.go` documentation to
`agent/config/runtime.go`.
 2017-10-23 10:51:22 +02:00
Frank Schroeder 5bfb2808f9
Merge pull request #3598 from hashicorp/issue-3397-error-with-extra-flags 
The `consul agent` command was ignoring extra command line arguments
which can lead to confusion when the user has for example forgotten to
add a dash in front of an argument or is not using an `=` when setting
boolean flags to `true`. `-bootstrap true` is not the same as
`-bootstrap=true`, for example.

Since all command line flags are known and we don't expect unparsed
arguments we can return an error. However, this may make it slightly
more difficult in the future if we ever wanted to have these kinds of
arguments.

Fixes #3397
 2017-10-23 10:47:04 +02:00
Frank Schroeder 81917ee675
Merge pull request #3600 from hashicorp/support-go-sockaddr-for-dns-recursors 
DNS recursors can be added through go-sockaddr templates. Entries
are deduplicated while the order is maintained.

Originally proposed by @taylorchu

See #2932
 2017-10-23 10:45:36 +02:00
Frank Schroeder e5d5e6429b
Revert "config: add support for go-sockaddr templates for DNS recursors" 
This reverts commit 72bee6284d.
 2017-10-23 10:08:35 +02:00
Frank Schroeder 0e360cc3b5
Revert "config: do not allow an ANY address as DNS recursor" 
This reverts commit 1db8d3cb00.
 2017-10-23 10:08:35 +02:00
Frank Schroeder 58b0e153f9
Revert "agent: decouple anti-entropy from local state" 
This reverts commit a842dc9c2b.
 2017-10-23 10:08:35 +02:00
Frank Schroeder b4e7d0b974
Revert "agent: cleanup StateSyncer" 
This reverts commit b7136e100b.
 2017-10-23 10:08:35 +02:00
Frank Schroeder 26a155eb41
Revert "agent: refactor sync loop to linear flow of control" 
This reverts commit 7a2af206ea.
 2017-10-23 10:08:35 +02:00
Frank Schroeder 91569a7ceb
Revert "agent: simplify some loops" 
This reverts commit b5dbad910c.
 2017-10-23 10:08:34 +02:00
Frank Schroeder 67a0689f71
Revert "local state: move to separate package" 
This reverts commit d447e823c6.
 2017-10-23 10:08:34 +02:00
Frank Schroeder 623e07760a
Revert "local state: replace multi-map state with structs" 
This reverts commit ccbae7da5b.
 2017-10-23 10:08:34 +02:00