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7058 Commits

Author SHA1 Message Date
Frank Schroeder bd00814301 ae: do not trigger on Resume while holding the lock 2017-10-23 08:03:18 +02:00
Frank Schroeder c32915bb4f ae: add remaining test cases 2017-10-23 08:03:18 +02:00
Frank Schroeder 8a45365f68 ae: refactor StateSyncer to state machine for better testing 2017-10-23 08:03:18 +02:00
Frank Schroeder 8158cec829 ae: add test that we run a full before a partial sync 2017-10-23 08:03:18 +02:00
Frank Schroeder b9a8b53d52 ae: make control flow more explicit 2017-10-23 08:03:18 +02:00
Frank Schroeder e88f49e2cc ae: fix typo in constructor name 2017-10-23 08:03:18 +02:00
Frank Schroeder cd0262744d ae: add test for resume triggering SyncChanges 2017-10-23 08:03:18 +02:00
Frank Schroeder f5177ef332 ae: add test for ifNotPausedRun 2017-10-23 08:03:18 +02:00
Frank Schroeder 066ad01c38 ae: make stagger function pluggable for testing 2017-10-23 08:03:18 +02:00
Frank Schroeder 126046be23 ae: restore previous pause/resume behavior 2017-10-23 08:03:18 +02:00
Frank Schroeder ffb265dd93 ae: ensure that syncs are blocked when paused 2017-10-23 08:03:18 +02:00
Frank Schroeder 9280841a80 local state: rename Add{Check,Service}State to Set{Check,Service}State 2017-10-23 08:03:18 +02:00
Frank Schroeder 9bc8127728 local state: move Metadata methods together 2017-10-23 08:03:18 +02:00
Frank Schroeder e86521e637 local state: update documentation of updateSyncState 2017-10-23 08:03:18 +02:00
Frank Schroeder 42188164f8 local state: update comments 2017-10-23 08:03:18 +02:00
Frank Schroeder 1d315075b1 local state: address review comments 
* move non-blocking notification mechanism into ae.Trigger
* move Pause/Resume into separate type
 2017-10-23 08:03:18 +02:00
Frank Schroeder c28e23eac8 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 08:03:18 +02:00
Frank Schroeder 86f7ea6013 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 08:03:18 +02:00
Frank Schroeder ff62eaf063 local state: rename tests 2017-10-23 08:03:18 +02:00
Frank Schroeder 2bdba8ab06 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 08:03:18 +02:00
Frank Schroeder ce1f35373e agent: skip non-sensical TestCatalogRegister 
It is not clear what this test is supposed to verify.
 2017-10-23 08:03:18 +02:00
Frank Schroeder f8e20cd996 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 08:03:18 +02:00
Frank Schroeder e9149f64d9 local state: fix test with updated error message 2017-10-23 08:03:18 +02:00
Frank Schroeder 76682da4a0 local state: fix failing tests 2017-10-23 08:03:18 +02:00
Frank Schroeder 1af52bf7be local state: tests compile 2017-10-23 08:03:18 +02:00
Frank Schroeder ccbae7da5b 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 08:03:18 +02:00
Frank Schroeder d447e823c6 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 08:03:18 +02:00
Frank Schroeder b5dbad910c agent: simplify some loops 2017-10-23 08:03:18 +02:00
Frank Schroeder 7a2af206ea agent: refactor sync loop to linear flow of control 2017-10-23 08:03:18 +02:00
Frank Schroeder b7136e100b agent: cleanup StateSyncer 
This patch cleans up the state syncer code by renaming fields, adding
helpers and documentation.
 2017-10-23 08:03:18 +02:00
Frank Schroeder a842dc9c2b 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 08:03:18 +02:00
James Phillips dca5dcb68c Changes "ip" to "IP". 2017-10-23 08:01:25 +02:00
Frank Schroeder 6ba9690e81 doc: address review comment 2017-10-23 08:01:25 +02:00
Frank Schroeder 1db8d3cb00 config: do not allow an ANY address as DNS recursor 2017-10-23 08:01:25 +02:00
Frank Schroeder 6d4a57aedc doc: update docs for dns recursor go-sockaddr templates 2017-10-23 08:01:25 +02:00
Frank Schroeder 72bee6284d config: add support for go-sockaddr templates 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 08:01:25 +02:00
James Phillips 3ab8b50133
Tweaks watch docs. 2017-10-21 20:09:37 -07:00
James Phillips 23d4b24792
Cleans up import sorting. 2017-10-21 20:08:11 -07:00
James Phillips fb465707df Update CHANGELOG.md 2017-10-21 20:03:58 -07:00
preetapan 6d34bc3e7d Update CHANGELOG.md 2017-10-21 21:30:04 -05:00
preetapan f1ec6191ae Update CHANGELOG.md 2017-10-21 21:28:58 -05:00
Preetha Appan 1af51560d0 Update serf library to pick up coordinate persistence fix 2017-10-21 21:19:43 -05:00
preetapan 41343cddaf Update CHANGELOG.md 2017-10-21 21:08:34 -05:00
preetapan e03fce5bcd Update CHANGELOG.md 2017-10-21 21:07:30 -05:00
preetapan bed69cefb2 Update watches.html.md 2017-10-21 20:59:47 -05:00
Preetha Appan 28a3901f10 Small grammar correction 2017-10-21 20:55:15 -05:00
Preetha Appan cdb5f8c3c9 Improve HTTP handler documentation 2017-10-21 20:51:37 -05:00
Hadar Greinsmark 7e1a860978 Implement HTTP Watch handler (#3413) 
Implement HTTP Watch handler
 2017-10-21 20:39:09 -05:00
Frank Schroeder c94751ad43 test: replace porter tool with freeport lib 
This patch removes the porter tool which hands out free ports from a
given range with a library which does the same thing. The challenge for
acquiring free ports in concurrent go test runs is that go packages are
tested concurrently and run in separate processes. There has to be some
inter-process synchronization in preventing processes allocating the
same ports.

freeport allocates blocks of ports from a range expected to be not in
heavy use and implements a system-wide mutex by binding to the first
port of that block for the lifetime of the application. Ports are then
provided sequentially from that block and are tested on localhost before
being returned as available.
 2017-10-21 22:01:09 +02:00
James Phillips ad9425ca63
Adds a canary test to fail Consul's test w/o porter. 2017-10-20 17:05:25 -07:00