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openSource
spring-cloud-netflix
Commits
3df42159
Unverified
Commit
3df42159
authored
Oct 27, 2016
by
Ryan Baxter
Committed by
Spencer Gibb
Oct 27, 2016
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Fixes #1429
parent
45e7a088
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spring-cloud-netflix.adoc
docs/src/main/asciidoc/spring-cloud-netflix.adoc
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docs/src/main/asciidoc/spring-cloud-netflix.adoc
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3df42159
...
@@ -1236,7 +1236,8 @@ To enable it, annotate a Spring Boot main class with
...
@@ -1236,7 +1236,8 @@ To enable it, annotate a Spring Boot main class with
service
.
By
convention
,
a
service
with
the
ID
"users"
,
will
service
.
By
convention
,
a
service
with
the
ID
"users"
,
will
receive
requests
from
the
proxy
located
at
`/
users
`
(
with
the
prefix
receive
requests
from
the
proxy
located
at
`/
users
`
(
with
the
prefix
stripped
).
The
proxy
uses
Ribbon
to
locate
an
instance
to
forward
to
stripped
).
The
proxy
uses
Ribbon
to
locate
an
instance
to
forward
to
via
discovery
,
and
all
requests
are
executed
in
a
hystrix
command
,
so
via
discovery
,
and
all
requests
are
executed
in
a
<<
hystrix
-
fallbacks
-
for
-
routes
,
hystrix
command
>>,
so
failures
will
show
up
in
Hystrix
metrics
,
and
once
the
circuit
is
open
failures
will
show
up
in
Hystrix
metrics
,
and
once
the
circuit
is
open
the
proxy
will
not
try
to
contact
the
service
.
the
proxy
will
not
try
to
contact
the
service
.
...
@@ -1604,6 +1605,61 @@ possible filters that are enabled. If you want to disable one, simply set
...
@@ -1604,6 +1605,61 @@ possible filters that are enabled. If you want to disable one, simply set
`org.springframework.cloud.netflix.zuul.filters.post.SendResponseFilter` set
`org.springframework.cloud.netflix.zuul.filters.post.SendResponseFilter` set
`zuul.SendResponseFilter.post.disable=true`.
`zuul.SendResponseFilter.post.disable=true`.
[[hystrix-fallbacks-for-routes]]
=== Providing Hystrix Fallbacks For Routes
When a circuit for a given route in Zuul is tripped you can provide a fallback response
by creating a bean of type `ZuulFallbackProvider`. Within this bean you need to specify
the route ID the fallback is for and provide a `ClientHttpResponse` to return
as a fallback. Here is a very simple `ZuulFallbackProvider` implementation.
[source,java]
----
class MyFallbackProvider implements ZuulFallbackProvider {
@Override
public String getRoute() {
return "zuulserver";
}
@Override
public ClientHttpResponse fallbackResponse() {
return new ClientHttpResponse() {
@Override
public HttpStatus getStatusCode() throws IOException {
return HttpStatus.OK;
}
@Override
public int getRawStatusCode() throws IOException {
return 200;
}
@Override
public String getStatusText() throws IOException {
return "OK";
}
@Override
public void close() {
}
@Override
public InputStream getBody() throws IOException {
return new ByteArrayInputStream("fallback".getBytes());
}
@Override
public HttpHeaders getHeaders() {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.TEXT_HTML);
return headers;
}
};
}
}
----
=== Polyglot support with Sidecar
=== Polyglot support with Sidecar
Do you have non-jvm languages you want to take advantage of Eureka, Ribbon and
Do you have non-jvm languages you want to take advantage of Eureka, Ribbon and
...
...
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