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Commit Graph

155 Commits

Author SHA1 Message Date
Vasiliy Tolstov
1a151a3348 fix data races in gossip registry 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2019-05-09 22:32:21 +03:00
Patrick Moore
afd1f9f50f
Update consul/watch import 
The watch package was moved from github.com/hashicorp/consul/watch to github.com/hashicorp/consul/api/watch to live in the API module.
Per: 6c885d383a
 2019-04-26 10:40:10 -07:00
Asim Aslam
df6561165a gofmt 2019-04-23 07:13:21 +00:00
shuxian
d3f447a732 solve NewRegistry httpclient 'nil pointer dereference' bug 2019-02-28 09:56:57 +08:00
Asim Aslam
f4be7d018d delete context file 2019-02-13 14:39:38 +00:00
Asim Aslam
7cb466359f rework gossip registry 2019-02-13 14:39:20 +00:00
Vasiliy Tolstov
f961c571bd registry: [gossip] fix panic 
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x88 pc=0xd1b215]

goroutine 8 [running]:
sync.(*RWMutex).RLock(...)
        /var/home/vtolstov/sdk/go1.12beta2/src/sync/rwmutex.go:48
github.com/hashicorp/memberlist.(*Memberlist).LocalNode(0x0, 0x0)
        /home/vtolstov/devel/projects/centralv2/vendor/github.com/hashicorp/memberlist/memberlist.go:417 +0x35
github.com/micro/go-micro/registry/gossip.(*gossipRegistry).run.func3(0xc000155880)
        /home/vtolstov/devel/projects/centralv2/vendor/github.com/micro/go-micro/registry/gossip/gossip.go:565 +0xf5
created by github.com/micro/go-micro/registry/gossip.(*gossipRegistry).run
        /home/vtolstov/devel/projects/centralv2/vendor/github.com/micro/go-micro/registry/gossip/gossip.go:553 +0xa25

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2019-02-13 16:36:38 +03:00
Vasiliy Tolstov
36532c94b2 registry: [gossip] add ConnectRetry and ConnectTimeout 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2019-02-12 17:16:35 +03:00
Vasiliy Tolstov
422e2002a0 registry: gossip unify registry option passing, optimize 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2019-02-02 01:12:39 +03:00
Asim Aslam
cead99ac44 fix nil pointer 2019-02-01 16:01:51 +00:00
Asim Aslam
88e12347d0 update mdns to remove race condition 2019-02-01 13:41:11 +00:00
Asim Aslam
652b1067f5 fix data race 2019-02-01 09:05:03 +00:00
Asim Aslam
48b80dd051 replace memory registry 2019-01-18 17:29:17 +00:00
Asim Aslam
7314af347b Set MDNS as default registry 2019-01-15 16:50:37 +00:00
Asim Aslam
39c24baca9 rename mock things to memory 2019-01-14 15:27:25 +00:00
Asim Aslam
bb31480f1a downgrade code generated stuff 2019-01-10 10:57:04 +00:00
xinfei.wu
eec1726f1d
add package comment 2019-01-09 16:31:23 +08:00
xinfei.wu
453ce2fcbe
add locker 2019-01-09 14:24:12 +08:00
Asim Aslam
5cae330732 Update selector race, rename cache selector 2018-12-29 15:44:51 +00:00
Asim Aslam
8b54a850f7 run gossip updater first 2018-12-19 19:04:44 +00:00
Asim Aslam
fae8c5eb4c fix context 2018-12-19 09:27:53 +00:00
Vasiliy Tolstov
5bcdf189de implement some gossip options 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2018-12-19 12:25:16 +03:00
Asim Aslam
b02e1e04fc Add gossip readme 2018-12-06 18:26:51 +00:00
Asim Aslam
cf8c059711
Merge pull request #345 from micro/gossip 
Gossip
 2018-12-06 18:22:52 +00:00
Asim Aslam
b343420af6 update the gossiper 2018-12-06 18:19:05 +00:00
Asim Aslam
1ed2b589a2 log to dev null 2018-12-04 17:33:11 +00:00
Asim Aslam
72d8dc89fb add cmd and bug fix 2018-12-04 17:22:20 +00:00
Asim Aslam
8706aa4a46 Remove file 2018-12-04 16:43:05 +00:00
Asim Aslam
57dcba666e gossip registry 2018-12-04 16:41:40 +00:00
Blair McMillan
a9593bad66 Prevent read/write map concurrency issue 2018-12-03 14:59:31 +10:00
Asim Aslam
9c2689301c add mock package comments 2018-12-01 12:56:21 +00:00
Asim Aslam
a1665ab37a Add consul package comment 2018-12-01 12:54:46 +00:00
Asim Aslam
29bb63b717 add mdns package comment 2018-11-26 16:13:17 +00:00
Blair McMillan
7171c00e42 Add ability to specify Consul options and default to AllowStale for all gets 2018-11-23 17:11:37 +10:00
Blair McMillan
e3a2fe52cd Only check if the service is in Consul once every deregister interval 2018-11-22 13:34:08 +10:00
Asim Aslam
4c821baab4 go fmt 2018-11-03 12:17:11 +00:00
lovelly
fd04722706 Fix tcp check no ttl error 2018-10-09 10:40:24 +08:00
Asim Aslam
9968c7d007 Add Init to all things, use init in cmd package to initialise 2018-08-08 18:57:29 +01:00
Asim Aslam
af328ee7b4 Support connect native registration 2018-08-06 17:12:34 +01:00
Shulhan
44b934d458 registry: rename context key "consul_register_tcp_check" to "consul_tcp_check" 2018-03-21 21:57:04 +07:00
Shulhan
65a90f5a21 registry.Register: use local variable to get context value 2018-03-21 18:18:48 +07:00
Shulhan
1eb4398b6c registry/consul: rename "RegisterTCPCheck" to "TCPCheck" 2018-03-21 18:17:56 +07:00
Shulhan
68ab671bd0 Use registry.options.Context to set Consul TCP check option 2018-03-19 20:34:56 +07:00
Shulhan
f4cdfaf27f Fix TCP address and port on service check registration 2018-03-19 20:34:12 +07:00
Shulhan
1599d717af Add option to enable TCP check with Consul registry 
One disadvantage of using TTL based health check is the high network
traffic between Consul agent (either between servers, or between server
and client).

In order for the services considered alive by Consul, microservices must
send an update TTL to Consul every n seconds (currently 30 seconds).

Here is the explanation about TTL check from Consul documentation [1]

    Time to Live (TTL) - These checks retain their last known state for a
    given TTL. The state of the check must be updated periodically over
    the HTTP interface. If an external system fails to update the status
    within a given TTL, the check is set to the failed state. This
    mechanism, conceptually similar to a dead man's switch, relies on the
    application to directly report its health. For example, a healthy app
    can periodically PUT a status update to the HTTP endpoint; if the app
    fails, the TTL will expire and the health check enters a critical
    state. The endpoints used to update health information for a given
    check are the pass endpoint and the fail endpoint. TTL checks also
    persist their last known status to disk. This allows the Consul agent
    to restore the last known status of the check across restarts.
    Persisted check status is valid through the end of the TTL from the
    time of the last check.


Hint:

    TTL checks also persist their last known status to disk. This allows
    the Consul agent to restore the last known status of the check
    across restarts.

When microservices update the TTL, Consul will write to disk. Writing to
disk means all other slaves need to replicate it, which means master need
to inform other standby Consul to pull the new catalog. Hence, the
increased traffic.

More information about this issue can be viewed at Consul mailing list [2].

[1] https://www.consul.io/docs/agent/checks.html
[2] https://groups.google.com/forum/#!topic/consul-tool/84h7qmCCpjg
 2018-03-14 19:40:59 +07:00
Asim Aslam
c9b40cb33b switch to stdlib context 2018-03-03 11:53:52 +00:00
Asim Aslam
982e6068cf support services without version 2018-03-01 17:35:13 +00:00
Asim Aslam
d0d9582b81
Merge pull request #206 from darren-west/master 
Added Options() to registry interface
 2018-02-19 20:52:28 +00:00
Asim Aslam
02260dcaa3 Add watch options 2018-02-19 17:12:37 +00:00
Siyun Wu
7c8d6087de add https support for consul 
using enviroment variables

for example:
export CONSUL_HTTP_SSL=1
export CONSUL_HTTP_ADDR="https://example.com"
export CONSUL_CLIENT_CERT="/Users/foo/.ssh/consul/consul.cert"
export CONSUL_CLIENT_KEY="/Users/foo/.ssh/consul/consul.key"
export CONSUL_CACERT="/Users/foo/.ssh/consul/ca.cert"
 2017-11-20 15:34:52 +08:00