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Commit Graph

236 Commits

Author SHA1 Message Date
Milos Gajdos
ccda1d3559
Remove rpc Sync method from registry handler 2019-09-24 10:41:48 +01:00
Milos Gajdos
61ee436cc4
Added Sync RPC call; it's identical to ListServices for now 2019-09-23 21:08:31 +01:00
Milos Gajdos
04a5d884da
Move global vars to the top of the src file: conventions 2019-09-23 20:48:25 +01:00
Milos Gajdos
0ec1b840fd
Add registry event to registry package 2019-09-23 20:48:25 +01:00
Asim Aslam
04b31d374c
Merge pull request #745 from micro/registry-service 
Add service registry
 2019-09-09 13:05:46 -07:00
Asim Aslam
2c16c7e62f Fix build breaks 2019-09-09 09:25:47 -07:00
Asim Aslam
1f44d7a4a1 Add registry handler 2019-09-09 09:20:17 -07:00
Asim Aslam
b076ef906a Add service registry 2019-09-09 08:57:57 -07:00
Asim Aslam
c669a2b155 Use .micro domain for mdns 2019-09-09 05:11:25 -07:00
Shu Xian
bf0e46dc0d fix registry addr error for mq-rpc 2019-08-14 21:32:28 +08:00
johnson
de34f259ba update service not found error tooltip 
fixing test failed issue

change back error type
change registry.ErrNotFound back to selector.ErrNotFound

change back error type
change registry.ErrNotFound back to selector.ErrNotFound

remove the single node tunnel test

Fix read yaml config from memory

package main

import (
	"fmt"

	"github.com/micro/go-micro/config"
	"github.com/micro/go-micro/config/source/memory"
)

var configData = []byte(`
---
a: 1234
`)

func main() {
	memorySource := memory.NewSource(
		memory.WithYAML(configData),
	)
	// Create new config
	conf := config.NewConfig()

	// Load file source
	conf.Load(memorySource)

	fmt.Println(string(conf.Bytes()))
}
 2019-08-11 19:31:22 +08:00
Asim Aslam
edb0fe4b16 fix the consul setup code 2019-08-06 19:43:46 +01:00
Asim Aslam
e16420fdbd Consul config fix https://github.com/micro/go-micro/pull/641 2019-08-06 09:15:38 +01:00
Asim Aslam
b806e7bdf5 Stop a goroutine leak in registy 2019-08-01 23:03:11 +01:00
Milos Gajdos
c108188d65
Preallocate nodes slice in addNodes before populating it 2019-07-15 14:47:33 +01:00
Milos Gajdos
609934ce99
Preallocate slices; avoide append() reallocations when copying data 2019-07-15 11:13:58 +01:00
Asim Aslam
1f744b31a4 Return the dead node when deleting the service 2019-07-10 21:03:53 +01:00
Asim Aslam
e0bf1c2283 Remove Port from registry 2019-07-08 08:01:42 +01:00
Asim Aslam
a412486c39 Update registry util semantics 2019-07-04 11:36:49 +01:00
Vasiliy Tolstov
0e34c572b4 export registry util function to safe copy registry data 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2019-07-04 11:39:43 +03:00
Milos Gajdos
f6e064cdbd
Fixed router idempotency. Return registry.ErrWatchStopped from mdns reg 2019-07-01 15:46:26 +01:00
Milos Gajdos
c3d2043caf
Reverts c0a628d65b 
Fixes #540
 2019-06-22 19:01:03 +01:00
Milos Gajdos
c0a628d65b
Simplified delService code; properly delete service nodes 2019-06-18 21:39:00 +01:00
Asim Aslam
7266c62d09 remove comment 2019-06-18 15:33:31 +01:00
Asim Aslam
6459cdfc21 propagate updates to local watchers 2019-06-18 14:42:56 +01:00
Vasiliy Tolstov
ab692ff590 remove mock data from memory registry 
memory registry can be used as fast inprocess registry,
so mock data needs to be in tests only

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2019-06-13 00:51:56 +03:00
Milos Gajdos
73b0a0ed0e
Return registry.ErrWatcherStopped when consul watcher stops. 
The original code returns "result chan closed" errors.Error which does
not carry higher semantics signal to downstream despite go-micro having
a clearly defined Error for this behaviour. This commit fixes that and
lets the downstream i.e. consumer of this code to act based on different
errors.
 2019-06-09 15:51:27 +01:00
Asim Aslam
4035ab5c7b Change go-log links 2019-05-31 00:38:05 +01:00
Asim Aslam
a353c83f47 Add rcache => cache 2019-05-31 00:22:43 +01:00
Blair McMillan
389d141c5a Use existing consul client for watcher 2019-05-16 12:37:48 +10:00
Vasiliy Tolstov
58775249c5 fix race with rcache 
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
 2019-05-09 23:02:32 +03:00
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
Asim Aslam
1f03681d82 set test to use localhost 2017-11-09 14:21:26 +00:00
Asim Aslam
1c1d46e1ac Add some test logging 2017-11-09 14:16:35 +00:00
darren-west
d970586a29 Added Options() to registry interface 2017-09-28 11:16:56 +01:00
Sergey Sarbash
db0df07fd6 Check for uninitialized *config.HttpClient 2017-08-15 10:49:24 +03:00
Sergey Sarbash
fd01ead575 Fixes nil pointer dereferencing for Consul TLS transport 2017-08-15 09:27:39 +03:00
Emil Huseynaliev
9e1550db53 Update consul_watcher.go 
`WatchPlan` was renamed to `Plan` in the consul `watch` package in commit d7e23857ad
 2017-04-25 16:38:35 -04:00
Asim Aslam
90ed1390ee fix broken test 2017-04-17 15:31:50 +01:00
wangkechun
059b9d36d7 fix fmt str 2017-02-25 22:53:25 +08:00
Asim Aslam
71d717a06d strip doc.go files 2016-12-14 15:41:48 +00:00
Asim
c289f6acaa Make use of consul 0.7 deregister field. Now auto reaps dead services 2016-11-25 11:23:37 +01:00
chriss
fabdd4a704 Remove consul token helper method. 
A Consul config struct can be passed using the `Config` helper making this helper redundant.
 2016-11-21 16:16:24 +00:00
Asim
f9709ffa6e ensure the code does not panic 2016-11-18 07:30:50 +00:00
chriss
8a25723fe0 Set consul token via registry options. 
Optionally configure a token to use with the consul client.
 2016-11-18 00:07:12 +00:00
chriss
3d7187f405 Add the ability to pass consul client config via registry options. 
This can be used when you need to configure the consul client to use a specific configuration (E.G to pass a Token if consul is using ACL policies)
 2016-11-17 23:24:14 +00:00
Jelmer Snoeck
e59f7a7ace
ConsulRegistry: use health checks to select nodes. 
Consul sees a healthcheck that is in the warning state as a "failed"
node. This means that when we ask Consul for services that are passing,
it would not return nodes that have warning healthchecks.

In the cache, we only check on critical to skip for nodes. This makes
the cache out of sync with the non-cache implementation.

This patch reworks the non-cache implementation to ask for all nodes
(even unhealthy ones) and does the same check as within the cache, skip
nodes that have critical healthchecks.

We've noticed this issue when we deployed custom healthchecks where the
cache was acting properly, but after 1 minute we saw "None Available"
errors. This is due to the TTL expiry on the cache, which is then
followed by doing a non cached request.
 2016-08-26 08:36:45 +01:00
Asim
71d64f911f make a copy of services for handle method 2016-08-24 18:37:11 +01:00
Asim
0afaaeec8d make a copy of services 2016-08-24 18:27:15 +01:00
Jelmer Snoeck
81231c0b6f
ConsulWatcher: deregister if service checks fail. 2016-08-11 15:18:50 +01:00
Asim
2d6c403992 don't close next chan, instead use exit chan 2016-07-30 11:58:10 +01:00