aboutsummaryrefslogtreecommitdiffstats
path: root/datafile-app-server/src/main/java/org/onap/dcaegen2/collectors/datafile/tasks/FileCollector.java
blob: 8849b45e7d166cf21a1edb9485c751f94d2ff370 (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
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
/*
 * ============LICENSE_START======================================================================
 * Copyright (C) 2018-2019 Nordix Foundation. 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.dcaegen2.collectors.datafile.tasks;

import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.Duration;
import java.util.Map;

import org.onap.dcaegen2.collectors.datafile.configuration.AppConfig;
import org.onap.dcaegen2.collectors.datafile.configuration.FtpesConfig;
import org.onap.dcaegen2.collectors.datafile.exceptions.DatafileTaskException;
import org.onap.dcaegen2.collectors.datafile.ftp.FileCollectClient;
import org.onap.dcaegen2.collectors.datafile.ftp.FtpsClient;
import org.onap.dcaegen2.collectors.datafile.ftp.SftpClient;
import org.onap.dcaegen2.collectors.datafile.model.ConsumerDmaapModel;
import org.onap.dcaegen2.collectors.datafile.model.FileData;
import org.onap.dcaegen2.collectors.datafile.model.ImmutableConsumerDmaapModel;
import org.onap.dcaegen2.collectors.datafile.model.MessageMetaData;
import org.onap.dcaegen2.collectors.datafile.model.logging.MdcVariables;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import reactor.core.publisher.Mono;

/**
 * @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a>
 */
public class FileCollector {

    private static final Logger logger = LoggerFactory.getLogger(FileCollector.class);
    private final AppConfig datafileAppConfig;

    public FileCollector(AppConfig datafileAppConfig) {
        this.datafileAppConfig = datafileAppConfig;
    }

    public Mono<ConsumerDmaapModel> execute(FileData fileData, long maxNumberOfRetries, Duration firstBackoffTimeout,
            Map<String, String> contextMap) {
        MdcVariables.setMdcContextMap(contextMap);
        logger.trace("Entering execute with {}", fileData);

        return Mono.just(fileData) //
                .cache() //
                .flatMap(fd -> collectFile(fileData, contextMap)) //
                .retryBackoff(maxNumberOfRetries, firstBackoffTimeout);
    }

    private Mono<ConsumerDmaapModel> collectFile(FileData fileData, Map<String, String> contextMap) {
        MdcVariables.setMdcContextMap(contextMap);
        logger.trace("starting to collectFile {}", fileData.name());

        final String remoteFile = fileData.remoteFilePath();
        final Path localFile = fileData.getLocalFileName();

        try (FileCollectClient currentClient = createClient(fileData)) {
            currentClient.open();
            localFile.getParent().toFile().mkdir(); // Create parent directories
            currentClient.collectFile(remoteFile, localFile);
            return Mono.just(getConsumerDmaapModel(fileData, localFile));
        } catch (Exception throwable) {
            logger.warn("Failed to download file: {} {}, reason: {}", fileData.sourceName(), fileData.name(), throwable.toString());
            return Mono.error(throwable);
        }
    }

    private FileCollectClient createClient(FileData fileData) throws DatafileTaskException {
        switch (fileData.scheme()) {
            case SFTP:
                return createSftpClient(fileData);
            case FTPS:
                return createFtpsClient(fileData);
            default:
                throw new DatafileTaskException("Unhandeled protocol: " + fileData.scheme());
        }
    }

    private ConsumerDmaapModel getConsumerDmaapModel(FileData fileData, Path localFile) {
        String location = fileData.location();
        MessageMetaData metaData = fileData.messageMetaData();
        return ImmutableConsumerDmaapModel.builder() //
                .productName(metaData.productName()) //
                .vendorName(metaData.vendorName()) //
                .lastEpochMicrosec(metaData.lastEpochMicrosec()) //
                .sourceName(metaData.sourceName()) //
                .startEpochMicrosec(metaData.startEpochMicrosec()) //
                .timeZoneOffset(metaData.timeZoneOffset()) //
                .name(fileData.name()) //
                .location(location) //
                .internalLocation(localFile) //
                .compression(fileData.compression()) //
                .fileFormatType(fileData.fileFormatType()) //
                .fileFormatVersion(fileData.fileFormatVersion()) //
                .build();
    }

    protected SftpClient createSftpClient(FileData fileData) {
       return new SftpClient(fileData.fileServerData());
    }

    protected FtpsClient createFtpsClient(FileData fileData) {
        FtpesConfig config = datafileAppConfig.getFtpesConfiguration();
        return new FtpsClient(fileData.fileServerData(), config.keyCert(), config.keyPassword(),
                Paths.get(config.trustedCA()), config.trustedCAPassword());
    }
}