v2 api changes: Use oneof to specify header match options, based on value(exact_match), regex or range.
The existing value and regex fields will be deprecated. Use the header_match_specfier oneof instead.
Add a new range.proto (envoy.type.v2) for the range type definition.
The SInt64Range message is defined in envoy.type.v2 range.proto.
It consists of start and end (inclusive, exclusive) sint64 values.
v1 api: Add a range_match object to the route headers json. Presence of this object indicates range based route match.
Example: For the below route config:
{
"prefix": "/",
"cluster": "PartitionB",
"name": "PartitionKey",
"range_match": { "start": 0, "end": 10}
}
In the incoming request, if the PartitionKey header value = 0, route match succeeds. Route match fails if the header value = 10, -10, "somestring".
This feature can be used for request routing with Service Fabric stateful services, to route to the desired partition with the [ranged partitioning scheme](https://docs.microsoft.com/en-us/azure/service-fabric/service-fabric-concepts-partitioning#ranged-partitioning-scheme)
Signed-off-by: Kavya Kotacherry <kavyako@microsoft.com>
This PR adds a new section to the Getting Started guide entitled "Other Use Cases" which show how Envoy can be used in specific situations. The thought is that users may want to use an Envoy distribution instead of Envoy itself for specific scenarios.
I also added a tutorial on how to use the open source Ambassador project to deploy Envoy as an API Gateway in Kubernetes, with an example that mirrors the google smoketest that is also used in the getting started.
Signed-off-by: Richard Li <richard@datawire.io>
There is no way to modify the response of PING on a running Redis server without restarting it. This makes it painful to terminate an instance. All inflight requests plus requests until ejection by active or passive healthcheck will fail.
Signed-off-by: Daniel Hochman <danielhochman@users.noreply.github.com>
This is the update to the documentation that's required once the --disable-hot-restart cli flag PR is merged. See envoyproxy/envoy#2576.
Signed-off-by: Tony Allen <tallen@nutanix.com>
I went through and reorganized things to make the v2 docs more
human browsable. I also did a few misc cleanups. There is a lot
more to do here which I'm hoping to find a contractor to pay to
work on, but this is a step in the right direction.
Signed-off-by: Matt Klein <mklein@lyft.com>
There are several main changes in this PR:
Create envoy.api.v2.core packages to break circular dependencies from xDS on to subpackages on to base protos.
Create individual packages for each filter and add independent versioning to each filter.
Add visibility constraints to prevent formation of dependency cycles.
Add gogoproto annotations to improve go code generation.
After moving xDS service definitions and top-level resource protos back to envoy.core.api.v2, cycles were created, since the second-level definitions depend on base protobuf definitions, and are in turn included from xDS; however xDS and base definitions are in the same package.
The solution is to split the base protos into another package, envoy.api.v2.core. That eliminates dependency cycles (validated using go-control-plane).
Added a few gogoproto annotations to improve golang code generation.
Signed-off-by: Kuat Yessenov <kuat@google.com>
Update documentation to match implementation in envoyproxy/envoy#2440.
Makes the WeightedCluster.total_weight field visible in documentation. Update ClusterWeight.weight and traffic shaping document to match.
Signed-off-by: Stephan Zuercher <stephan@turbinelabs.io>
Add listener_filter_chain to Listener, which is a list of individual
listener filters that make up the filter chain for sockets accepted
with the listener. These filters are run before any in the
'filter_chains', and these filters have the opportunity to manipulate
and augment the connection metadata that is used in connection filter
chain matching. Order matters as the filters are processed
sequentially right after a socket has been accepted by the listener,
and before a connection is created.
As an example the functionality controlled by Listener options
'use_original_dst' and 'use_proxy_proto' can be implemented as
listener filters instead of being hard-wired into Envoy's listener
logic. This makes also extensions (like proxy protocol v2) easier to
implement and deploy.
Signed-off-by: Jarno Rajahalme <jarno@covalent.io>
In support of https://github.com/envoyproxy/envoy/issues/2200 and some
Google internal needs, we are planning on adding support to Envoy to
allow a configuration (or possibly build) driven decision on whether to
using the existing Envoy in-built Grpc::AsyncClient or
the Google C++ gRPC client library (https://grpc.io/grpc/cpp/index.html).
To move in this direction, the idea is we have the xDS ApiConfigSources,
rate limit service config and other filter configurations point at a
GrpcService object. This can be configured to use an Envoy cluster,
where Grpc::AsyncClient will orchestrate communication, or to contain
the config needed to establish a channel in Google C++ gRPC client
library.
Signed-off-by: Harvey Tuch <htuch@google.com>
envoyproxy/envoy#2256 adds restrictions to the backing sources for xDS resources. This change documents those restrictions.
Signed-off-by: Jose Nino <jnino@lyft.com>