blob: 125f7660be5b0fc2393eeca1460a5cf6731481aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.vpp.distro
import com.google.inject.Inject
import groovy.transform.ToString
import groovy.util.logging.Slf4j
import io.fd.honeycomb.infra.distro.ProviderTrait
import org.openvpp.jvpp.JVppRegistry
import org.openvpp.jvpp.JVppRegistryImpl
/**
* Provides JVppRegistry. Must be a singleton due to shutdown hook usage.
* Registers shutdown hook to disconnect from VPP.
*/
@Slf4j
@ToString
class JVppRegistryProvider extends ProviderTrait<JVppRegistry> {
@Inject
VppConfigAttributes config
def create() {
try {
def registry = new JVppRegistryImpl(config.jvppConnectionName);
// Closing JVpp connection with shutdown hook to erase the connection from VPP so HC will be able
// to connect next time. If JVM is force closed, this will not be executed and VPP connection
// with name from config will stay open and prevent next startup of HC to success
Runtime.addShutdownHook {
log.info("Disconnecting from VPP")
registry.close()
log.info("Successfully disconnected from VPP as {}", config.jvppConnectionName)
}
log.info("JVpp connection opened successfully as: {}", config.jvppConnectionName)
registry
} catch (IOException e) {
throw new IllegalStateException("Unable to open VPP management connection", e)
}
}
}
|
