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Remove deprecated api v2 (#241)
* remove deprecated api v2 Signed-off-by: Marcin Skalski <[email protected]> * fixed test resources Signed-off-by: Marcin Skalski <[email protected]> * fixed java doc for StatusInfo Signed-off-by: Marcin Skalski <[email protected]> * code review Signed-off-by: Marcin Skalski <[email protected]> * fixed checkstyle violations Signed-off-by: Marcin Skalski <[email protected]> * reverted snapshot changes Signed-off-by: Marcin Skalski <[email protected]>
1 parent f34b30b commit d476ddb

34 files changed

+474
-2422
lines changed

‎README.md

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,11 +7,11 @@ in [data-plane-api](https://github.com/envoyproxy/data-plane-api). It started li
77
[go-control-plane](https://github.com/envoyproxy/go-control-plane), but building an idiomatic Java implementation is
88
prioritized over exact interface parity with the Go implementation.
99

10-
Both v2 and v3 resources as well as transport versions are supported. Migrating
11-
to v3 is recommended as Envoy will drop v2 support at EOY 2020 (see
10+
Only v3 resources as well as transport versions are now supported. Migrating
11+
to v3 is necessary as Envoy dropped v2 support at EOY 2020 (see
1212
[API_VERSIONING.md](https://github.com/envoyproxy/envoy/blob/4c6206865061591155d18b55972b4d626e1703dd/api/API_VERSIONING.md))
1313

14-
See the (v2-to-v3 migration guide)[V2_TO_V3_GUIDE.md] for an exmplanation of migration paths.
14+
See the [v2-to-v3 migration guide](https://github.com/envoyproxy/java-control-plane/blob/main/V2_TO_V3_GUIDE.md) for an explanation of migration paths.
1515

1616
### Requirements
1717

‎cache/src/main/java/io/envoyproxy/controlplane/cache/NodeGroup.java

Lines changed: 2 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
11
package io.envoyproxy.controlplane.cache;
22

3-
import io.envoyproxy.envoy.api.v2.core.Node;
3+
import io.envoyproxy.envoy.config.core.v3.Node;
4+
45
import javax.annotation.concurrent.ThreadSafe;
56

67
/**
@@ -15,11 +16,4 @@ public interface NodeGroup<T> {
1516
* @param node identifier for the envoy instance that is requesting config
1617
*/
1718
T hash(Node node);
18-
19-
/**
20-
* Returns a consistent identifier of the given {@link io.envoyproxy.envoy.config.core.v3.Node}.
21-
*
22-
* @param node identifier for the envoy instance that is requesting config
23-
*/
24-
T hash(io.envoyproxy.envoy.config.core.v3.Node node);
2519
}

‎cache/src/main/java/io/envoyproxy/controlplane/cache/Resources.java

Lines changed: 51 additions & 178 deletions
Original file line numberDiff line numberDiff line change
@@ -1,14 +1,12 @@
11
package io.envoyproxy.controlplane.cache;
22

33
import static com.google.common.base.Strings.isNullOrEmpty;
4-
import static io.envoyproxy.controlplane.cache.Resources.ApiVersion.V2;
54
import static io.envoyproxy.controlplane.cache.Resources.ApiVersion.V3;
65
import static io.envoyproxy.controlplane.cache.Resources.ResourceType.CLUSTER;
76
import static io.envoyproxy.controlplane.cache.Resources.ResourceType.ENDPOINT;
87
import static io.envoyproxy.controlplane.cache.Resources.ResourceType.LISTENER;
98
import static io.envoyproxy.controlplane.cache.Resources.ResourceType.ROUTE;
109
import static io.envoyproxy.controlplane.cache.Resources.ResourceType.SECRET;
11-
import static io.envoyproxy.envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager.RouteSpecifierCase.RDS;
1210

1311
import com.google.common.base.Preconditions;
1412
import com.google.common.collect.ImmutableList;
@@ -17,17 +15,15 @@
1715
import com.google.protobuf.Any;
1816
import com.google.protobuf.InvalidProtocolBufferException;
1917
import com.google.protobuf.Message;
20-
import com.google.protobuf.Struct;
21-
import com.google.protobuf.util.JsonFormat;
22-
import io.envoyproxy.envoy.api.v2.Cluster;
23-
import io.envoyproxy.envoy.api.v2.Cluster.DiscoveryType;
24-
import io.envoyproxy.envoy.api.v2.ClusterLoadAssignment;
25-
import io.envoyproxy.envoy.api.v2.Listener;
26-
import io.envoyproxy.envoy.api.v2.RouteConfiguration;
27-
import io.envoyproxy.envoy.api.v2.auth.Secret;
28-
import io.envoyproxy.envoy.api.v2.listener.Filter;
29-
import io.envoyproxy.envoy.api.v2.listener.FilterChain;
30-
import io.envoyproxy.envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager;
18+
import io.envoyproxy.envoy.config.cluster.v3.Cluster;
19+
import io.envoyproxy.envoy.config.endpoint.v3.ClusterLoadAssignment;
20+
import io.envoyproxy.envoy.config.listener.v3.Filter;
21+
import io.envoyproxy.envoy.config.listener.v3.FilterChain;
22+
import io.envoyproxy.envoy.config.listener.v3.Listener;
23+
import io.envoyproxy.envoy.config.route.v3.RouteConfiguration;
24+
import io.envoyproxy.envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager;
25+
import io.envoyproxy.envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager.RouteSpecifierCase;
26+
import io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.Secret;
3127
import java.util.Collection;
3228
import java.util.List;
3329
import java.util.Map;
@@ -38,8 +34,8 @@
3834
public class Resources {
3935

4036
/**
41-
* Version-agnostic representation of a resource. This is useful when the version qualifier
42-
* isn't needed.
37+
* Version-agnostic representation of a resource. This is useful when the version qualifier isn't
38+
* needed.
4339
*/
4440
public enum ResourceType {
4541
CLUSTER,
@@ -50,7 +46,6 @@ public enum ResourceType {
5046
}
5147

5248
public enum ApiVersion {
53-
V2,
5449
V3
5550
}
5651

@@ -59,90 +54,47 @@ public enum ApiVersion {
5954
static final String FILTER_ENVOY_ROUTER = "envoy.filters.http.router";
6055
static final String FILTER_HTTP_CONNECTION_MANAGER = "envoy.http_connection_manager";
6156

62-
public static class V2 {
63-
private static final String TYPE_URL_PREFIX = "type.googleapis.com/envoy.api.v2.";
64-
public static final String SECRET_TYPE_URL = TYPE_URL_PREFIX + "auth.Secret";
65-
public static final String ROUTE_TYPE_URL = TYPE_URL_PREFIX + "RouteConfiguration";
66-
public static final String LISTENER_TYPE_URL = TYPE_URL_PREFIX + "Listener";
67-
public static final String ENDPOINT_TYPE_URL = TYPE_URL_PREFIX + "ClusterLoadAssignment";
68-
public static final String CLUSTER_TYPE_URL = TYPE_URL_PREFIX + "Cluster";
69-
70-
public static final List<String> TYPE_URLS = ImmutableList.of(
71-
CLUSTER_TYPE_URL,
72-
ENDPOINT_TYPE_URL,
73-
LISTENER_TYPE_URL,
74-
ROUTE_TYPE_URL,
75-
SECRET_TYPE_URL);
76-
}
77-
7857
public static class V3 {
7958

80-
public static final String CLUSTER_TYPE_URL = "type.googleapis.com/envoy.config.cluster.v3"
81-
+ ".Cluster";
82-
public static final String ENDPOINT_TYPE_URL = "type.googleapis.com/envoy.config.endpoint.v3"
83-
+ ".ClusterLoadAssignment";
84-
public static final String LISTENER_TYPE_URL = "type.googleapis.com/envoy.config.listener.v3"
85-
+ ".Listener";
86-
public static final String ROUTE_TYPE_URL = "type.googleapis.com/envoy.config.route.v3"
87-
+ ".RouteConfiguration";
88-
public static final String SECRET_TYPE_URL = "type.googleapis.com/envoy.extensions"
89-
+ ".transport_sockets.tls.v3.Secret";
90-
91-
public static final List<String> TYPE_URLS = ImmutableList.of(
92-
CLUSTER_TYPE_URL,
93-
ENDPOINT_TYPE_URL,
94-
LISTENER_TYPE_URL,
95-
ROUTE_TYPE_URL,
96-
SECRET_TYPE_URL);
59+
public static final String CLUSTER_TYPE_URL =
60+
"type.googleapis.com/envoy.config.cluster.v3" + ".Cluster";
61+
public static final String ENDPOINT_TYPE_URL =
62+
"type.googleapis.com/envoy.config.endpoint.v3" + ".ClusterLoadAssignment";
63+
public static final String LISTENER_TYPE_URL =
64+
"type.googleapis.com/envoy.config.listener.v3" + ".Listener";
65+
public static final String ROUTE_TYPE_URL =
66+
"type.googleapis.com/envoy.config.route.v3" + ".RouteConfiguration";
67+
public static final String SECRET_TYPE_URL =
68+
"type.googleapis.com/envoy.extensions" + ".transport_sockets.tls.v3.Secret";
69+
70+
public static final List<String> TYPE_URLS =
71+
ImmutableList.of(
72+
CLUSTER_TYPE_URL,
73+
ENDPOINT_TYPE_URL,
74+
LISTENER_TYPE_URL,
75+
ROUTE_TYPE_URL,
76+
SECRET_TYPE_URL);
9777
}
9878

99-
public static final List<ResourceType> RESOURCE_TYPES_IN_ORDER = ImmutableList.of(
100-
CLUSTER,
101-
ENDPOINT,
102-
LISTENER,
103-
ROUTE,
104-
SECRET);
105-
106-
public static final Map<String, String> V3_TYPE_URLS_TO_V2 = ImmutableMap.of(
107-
Resources.V3.CLUSTER_TYPE_URL, Resources.V2.CLUSTER_TYPE_URL,
108-
Resources.V3.ENDPOINT_TYPE_URL, Resources.V2.ENDPOINT_TYPE_URL,
109-
Resources.V3.LISTENER_TYPE_URL, Resources.V2.LISTENER_TYPE_URL,
110-
Resources.V3.ROUTE_TYPE_URL, Resources.V2.ROUTE_TYPE_URL,
111-
Resources.V3.SECRET_TYPE_URL, Resources.V2.SECRET_TYPE_URL);
112-
113-
public static final Map<String, String> V2_TYPE_URLS_TO_V3 = ImmutableMap.of(
114-
Resources.V2.CLUSTER_TYPE_URL, Resources.V3.CLUSTER_TYPE_URL,
115-
Resources.V2.ENDPOINT_TYPE_URL, Resources.V3.ENDPOINT_TYPE_URL,
116-
Resources.V2.LISTENER_TYPE_URL, Resources.V3.LISTENER_TYPE_URL,
117-
Resources.V2.ROUTE_TYPE_URL, Resources.V3.ROUTE_TYPE_URL,
118-
Resources.V2.SECRET_TYPE_URL, Resources.V3.SECRET_TYPE_URL);
79+
public static final List<ResourceType> RESOURCE_TYPES_IN_ORDER =
80+
ImmutableList.of(CLUSTER, ENDPOINT, LISTENER, ROUTE, SECRET);
11981

12082
public static final Map<String, ResourceType> TYPE_URLS_TO_RESOURCE_TYPE =
12183
new ImmutableMap.Builder<String, ResourceType>()
12284
.put(Resources.V3.CLUSTER_TYPE_URL, CLUSTER)
123-
.put(Resources.V2.CLUSTER_TYPE_URL, CLUSTER)
12485
.put(Resources.V3.ENDPOINT_TYPE_URL, ENDPOINT)
125-
.put(Resources.V2.ENDPOINT_TYPE_URL, ENDPOINT)
12686
.put(Resources.V3.LISTENER_TYPE_URL, LISTENER)
127-
.put(Resources.V2.LISTENER_TYPE_URL, LISTENER)
12887
.put(Resources.V3.ROUTE_TYPE_URL, ROUTE)
129-
.put(Resources.V2.ROUTE_TYPE_URL, ROUTE)
13088
.put(Resources.V3.SECRET_TYPE_URL, SECRET)
131-
.put(Resources.V2.SECRET_TYPE_URL, SECRET)
13289
.build();
13390

13491
public static final Map<String, Class<? extends Message>> RESOURCE_TYPE_BY_URL =
13592
new ImmutableMap.Builder<String, Class<? extends Message>>()
136-
.put(Resources.V2.CLUSTER_TYPE_URL, Cluster.class)
137-
.put(Resources.V2.ENDPOINT_TYPE_URL, ClusterLoadAssignment.class)
138-
.put(Resources.V2.LISTENER_TYPE_URL, Listener.class)
139-
.put(Resources.V2.ROUTE_TYPE_URL, RouteConfiguration.class)
140-
.put(Resources.V2.SECRET_TYPE_URL, Secret.class)
141-
.put(Resources.V3.CLUSTER_TYPE_URL, io.envoyproxy.envoy.config.cluster.v3.Cluster.class)
142-
.put(Resources.V3.ENDPOINT_TYPE_URL, io.envoyproxy.envoy.config.endpoint.v3.ClusterLoadAssignment.class)
143-
.put(Resources.V3.LISTENER_TYPE_URL, io.envoyproxy.envoy.config.listener.v3.Listener.class)
144-
.put(Resources.V3.ROUTE_TYPE_URL, io.envoyproxy.envoy.config.route.v3.RouteConfiguration.class)
145-
.put(Resources.V3.SECRET_TYPE_URL, io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.Secret.class)
93+
.put(Resources.V3.CLUSTER_TYPE_URL, Cluster.class)
94+
.put(Resources.V3.ENDPOINT_TYPE_URL, ClusterLoadAssignment.class)
95+
.put(Resources.V3.LISTENER_TYPE_URL, Listener.class)
96+
.put(Resources.V3.ROUTE_TYPE_URL, RouteConfiguration.class)
97+
.put(Resources.V3.SECRET_TYPE_URL, Secret.class)
14698
.build();
14799

148100
/**
@@ -171,26 +123,6 @@ public static String getResourceName(Message resource) {
171123
return ((Secret) resource).getName();
172124
}
173125

174-
if (resource instanceof io.envoyproxy.envoy.config.cluster.v3.Cluster) {
175-
return ((io.envoyproxy.envoy.config.cluster.v3.Cluster) resource).getName();
176-
}
177-
178-
if (resource instanceof io.envoyproxy.envoy.config.endpoint.v3.ClusterLoadAssignment) {
179-
return ((io.envoyproxy.envoy.config.endpoint.v3.ClusterLoadAssignment) resource).getClusterName();
180-
}
181-
182-
if (resource instanceof io.envoyproxy.envoy.config.listener.v3.Listener) {
183-
return ((io.envoyproxy.envoy.config.listener.v3.Listener) resource).getName();
184-
}
185-
186-
if (resource instanceof io.envoyproxy.envoy.config.route.v3.RouteConfiguration) {
187-
return ((io.envoyproxy.envoy.config.route.v3.RouteConfiguration) resource).getName();
188-
}
189-
190-
if (resource instanceof io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.Secret) {
191-
return ((io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.Secret) resource).getName();
192-
}
193-
194126
return "";
195127
}
196128

@@ -223,35 +155,25 @@ public static Set<String> getResourceReferences(Collection<? extends Message> re
223155
if (r instanceof ClusterLoadAssignment || r instanceof RouteConfiguration) {
224156
// Endpoints have no dependencies.
225157

226-
// References to clusters in routes (and listeners) are not included in the result, because the clusters are
158+
// References to clusters in routes (and listeners) are not included in the result, because
159+
// the clusters are
227160
// currently retrieved in bulk, and not by name.
228161

229162
continue;
230163
}
231-
232164
if (r instanceof Cluster) {
233165
Cluster c = (Cluster) r;
234166

235167
// For EDS clusters, use the cluster name or the service name override.
236-
if (c.getType() == DiscoveryType.EDS) {
237-
if (!isNullOrEmpty(c.getEdsClusterConfig().getServiceName())) {
238-
refs.add(c.getEdsClusterConfig().getServiceName());
239-
} else {
240-
refs.add(c.getName());
241-
}
242-
}
243-
} else if (r instanceof io.envoyproxy.envoy.config.cluster.v3.Cluster) {
244-
io.envoyproxy.envoy.config.cluster.v3.Cluster c = (io.envoyproxy.envoy.config.cluster.v3.Cluster) r;
245-
246-
// For EDS clusters, use the cluster name or the service name override.
247-
if (c.getType() == io.envoyproxy.envoy.config.cluster.v3.Cluster.DiscoveryType.EDS) {
168+
if (c.getType() == Cluster.DiscoveryType.EDS) {
248169
if (!isNullOrEmpty(c.getEdsClusterConfig().getServiceName())) {
249170
refs.add(c.getEdsClusterConfig().getServiceName());
250171
} else {
251172
refs.add(c.getName());
252173
}
253174
}
254175
} else if (r instanceof Listener) {
176+
255177
Listener l = (Listener) r;
256178

257179
// Extract the route configuration names from the HTTP connection manager.
@@ -262,49 +184,14 @@ public static Set<String> getResourceReferences(Collection<? extends Message> re
262184
}
263185

264186
try {
265-
HttpConnectionManager config;
266-
267-
if (filter.hasTypedConfig()) {
268-
config = filter.getTypedConfig().unpack(HttpConnectionManager.class);
269-
} else {
270-
HttpConnectionManager.Builder builder = HttpConnectionManager.newBuilder();
271-
structAsMessage(filter.getConfig(), builder);
272-
config = builder.build();
273-
}
274-
275-
if (config.getRouteSpecifierCase() == RDS && !isNullOrEmpty(config.getRds().getRouteConfigName())) {
276-
refs.add(config.getRds().getRouteConfigName());
277-
}
278-
} catch (InvalidProtocolBufferException e) {
279-
LOGGER.error(
280-
"Failed to convert v2 HTTP connection manager config struct into protobuf "
281-
+ "message for listener {}",
282-
getResourceName(l),
283-
e);
284-
}
285-
}
286-
}
287-
} else if (r instanceof io.envoyproxy.envoy.config.listener.v3.Listener) {
288-
289-
io.envoyproxy.envoy.config.listener.v3.Listener l =
290-
(io.envoyproxy.envoy.config.listener.v3.Listener) r;
291-
292-
// Extract the route configuration names from the HTTP connection manager.
293-
for (io.envoyproxy.envoy.config.listener.v3.FilterChain chain : l.getFilterChainsList()) {
294-
for (io.envoyproxy.envoy.config.listener.v3.Filter filter : chain.getFiltersList()) {
295-
if (!filter.getName().equals(FILTER_HTTP_CONNECTION_MANAGER)) {
296-
continue;
297-
}
298-
299-
try {
300-
io.envoyproxy.envoy.extensions.filters.network
301-
.http_connection_manager.v3.HttpConnectionManager config = filter
302-
.getTypedConfig().unpack(
303-
io.envoyproxy.envoy.extensions.filters.network
304-
.http_connection_manager.v3.HttpConnectionManager.class);
305-
306-
if (config.getRouteSpecifierCase() == io.envoyproxy.envoy.extensions.filters.network
307-
.http_connection_manager.v3.HttpConnectionManager.RouteSpecifierCase.RDS
187+
HttpConnectionManager config =
188+
filter
189+
.getTypedConfig()
190+
.unpack(
191+
io.envoyproxy.envoy.extensions.filters.network.http_connection_manager.v3
192+
.HttpConnectionManager.class);
193+
194+
if (config.getRouteSpecifierCase() == RouteSpecifierCase.RDS
308195
&& !isNullOrEmpty(config.getRds().getRouteConfigName())) {
309196
refs.add(config.getRds().getRouteConfigName());
310197
}
@@ -323,28 +210,14 @@ public static Set<String> getResourceReferences(Collection<? extends Message> re
323210
return refs.build();
324211
}
325212

326-
/**
327-
* Returns the API version (v2 or v3) for a given type URL.
328-
*/
213+
/** Returns the supported API version for a given type URL. */
329214
public static ApiVersion getResourceApiVersion(String typeUrl) {
330-
if (Resources.V2.TYPE_URLS.contains(typeUrl)) {
331-
return V2;
332-
} else if (Resources.V3.TYPE_URLS.contains(typeUrl)) {
215+
if (Resources.V3.TYPE_URLS.contains(typeUrl)) {
333216
return V3;
334217
}
335218

336219
throw new RuntimeException(String.format("Unsupported API version for type URL %s", typeUrl));
337220
}
338221

339-
private static void structAsMessage(Struct struct, Message.Builder messageBuilder)
340-
throws InvalidProtocolBufferException {
341-
342-
String json = JsonFormat.printer()
343-
.preservingProtoFieldNames()
344-
.print(struct);
345-
346-
JsonFormat.parser().merge(json, messageBuilder);
347-
}
348-
349-
private Resources() { }
222+
private Resources() {}
350223
}

‎cache/src/main/java/io/envoyproxy/controlplane/cache/SimpleCache.java

Lines changed: 2 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -108,11 +108,8 @@ public Watch createWatch(
108108
Preconditions.checkNotNull(requestResourceType, "unsupported type URL %s",
109109
request.getTypeUrl());
110110
T group;
111-
if (request.v3Request() != null) {
112-
group = groups.hash(request.v3Request().getNode());
113-
} else {
114-
group = groups.hash(request.v2Request().getNode());
115-
}
111+
112+
group = groups.hash(request.v3Request().getNode());
116113

117114
// even though we're modifying, we take a readLock to allow multiple watches to be created in parallel since it
118115
// doesn't conflict

‎cache/src/main/java/io/envoyproxy/controlplane/cache/StatusInfo.java

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -14,7 +14,7 @@ public interface StatusInfo<T> {
1414

1515
/**
1616
* Returns the node grouping represented by this status, generated via
17-
* {@link NodeGroup#hash(Node)} or {@link NodeGroup#hash(io.envoyproxy.envoy.api.v2.core.Node)}.
17+
* {@link NodeGroup#hash(Node)} or {@link NodeGroup#hash(Node)}.
1818
*/
1919
T nodeGroup();
2020

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