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plugin/reload: enable (#1587)

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Couldn't revert the original commit, just manually perform the needed
tweaks.
This commit is contained in:
Miek Gieben
2018-03-02 17:17:26 -08:00
committed by GitHub
parent 6f3a7af548
commit 6cec66ce40
4 changed files with 6 additions and 4 deletions
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1
core/dnsserver/zdirectives.go
View File

@@ -11,6 +11,7 @@ package dnsserver
// care what plugin above them are doing. // care what plugin above them are doing.
var Directives = []string{ var Directives = []string{
"tls", "tls",
"reload",
"nsid", "nsid",
"root", "root",
"bind", "bind",

1
core/plugin/zplugin.go
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@@ -28,6 +28,7 @@ import (
_ "github.com/coredns/coredns/plugin/nsid" _ "github.com/coredns/coredns/plugin/nsid"
_ "github.com/coredns/coredns/plugin/pprof" _ "github.com/coredns/coredns/plugin/pprof"
_ "github.com/coredns/coredns/plugin/proxy" _ "github.com/coredns/coredns/plugin/proxy"
_ "github.com/coredns/coredns/plugin/reload"
_ "github.com/coredns/coredns/plugin/reverse" _ "github.com/coredns/coredns/plugin/reverse"
_ "github.com/coredns/coredns/plugin/rewrite" _ "github.com/coredns/coredns/plugin/rewrite"
_ "github.com/coredns/coredns/plugin/root" _ "github.com/coredns/coredns/plugin/root"

2
plugin.cfg
View File

@@ -20,7 +20,7 @@
# log:log # log:log
tls:tls tls:tls
#reload:reload # enable by reverting #1511 reload:reload
nsid:nsid nsid:nsid
root:root root:root
bind:bind bind:bind

6
plugin/reload/README.md
View File

@@ -15,7 +15,7 @@ The reloads are graceful - you should not see any loss of service when the
reload happens. Even if the new Corefile has an error, CoreDNS will continue reload happens. Even if the new Corefile has an error, CoreDNS will continue
to run the old config and an error message will be printed to the log. to run the old config and an error message will be printed to the log.
In some environments (for example, Kubernetes), there may be many CoreDNS In some environments (for example, Kubernetes), there may be many CoreDNS
instances that started very near the same time and all share a common instances that started very near the same time and all share a common
Corefile. To prevent these all from reloading at the same time, some Corefile. To prevent these all from reloading at the same time, some
jitter is added to the reload check interval. This is jitter from the jitter is added to the reload check interval. This is jitter from the
@@ -44,7 +44,7 @@ reload [INTERVAL] [JITTER]
Check with the default intervals: Check with the default intervals:
~~~ txt ~~~ corefile
. { . {
reload reload
erratic erratic
@@ -53,7 +53,7 @@ Check with the default intervals:
Check every 10 seconds (jitter is automatically set to 10 / 2 = 5 in this case): Check every 10 seconds (jitter is automatically set to 10 / 2 = 5 in this case):
~~~ txt ~~~ corefile
. { . {
reload 10s reload 10s
erratic erratic