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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
* All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*
*/
package org.onap.ccsdk.features.sdnr.wt.dataprovider.http;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.http.about.MarkdownTable;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ReadyHttpServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
private static final Logger LOG = LoggerFactory.getLogger(ReadyHttpServlet.class);
private static boolean status;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
if (isReady() && this.getBundleStatesNotActiveCount()==0) {
resp.setStatus(HttpServletResponse.SC_OK);
} else {
try {
resp.sendError(HttpServletResponse.SC_NOT_FOUND);
} catch (IOException | IllegalStateException e) {
LOG.warn("unable to write out 404 res not found: {}", e);
}
}
}
private static boolean isReady() {
return status;
}
public static void setStatus(boolean s) {
status = s;
LOG.info("status is set to ready: {}", status);
}
private int getBundleStatesNotActiveCount() {
Bundle thisbundle = FrameworkUtil.getBundle(this.getClass());
BundleContext context = thisbundle ==null?null:thisbundle.getBundleContext();
if (context == null) {
LOG.debug("no bundle context available");
return 0;
}
Bundle[] bundles = context.getBundles();
if (bundles == null || bundles.length <= 0) {
LOG.debug("no bundles found");
return 0;
}
LOG.debug("found {} bundles", bundles.length);
MarkdownTable table = new MarkdownTable();
table.setHeader(new String[] {"Bundle-Id","Version","Symbolic-Name","Status"});
int cntNotActive=0;
for (Bundle bundle : bundles) {
if(bundle.getState()!=Bundle.ACTIVE) {
cntNotActive++;
}
}
return cntNotActive;
}
}
|
