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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*-
* ========================LICENSE_START=================================
* Copyright (C) 2020 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.ccsdk.oran.a1policymanagementservice.controllers.v2;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import java.io.IOException;
import java.util.Optional;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ApplicationConfigParser;
import org.onap.ccsdk.oran.a1policymanagementservice.configuration.ConfigurationFile;
import org.onap.ccsdk.oran.a1policymanagementservice.controllers.VoidResponse;
import org.onap.ccsdk.oran.a1policymanagementservice.exceptions.ServiceException;
import org.onap.ccsdk.oran.a1policymanagementservice.tasks.RefreshConfigTask;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
@RestController("ConfigurationControllerV2")
@Tag(name = ConfigurationController.API_NAME)
public class ConfigurationController {
private static final Logger logger = LoggerFactory.getLogger(ConfigurationController.class);
public static final String API_NAME = "Management of configuration";
public static final String API_DESCRIPTION = "";
@Autowired
ConfigurationFile configurationFile;
@Autowired
RefreshConfigTask refreshConfigTask;
private static Gson gson = new GsonBuilder() //
.create(); //
@PutMapping(path = Consts.V2_API_ROOT + "/configuration", consumes = MediaType.APPLICATION_JSON_VALUE)
@Operation(summary = "Replace the current configuration file with the given configuration", //
description = "Note that the file is ignored if the Consul is used.")
@ApiResponses(value = { //
@ApiResponse(responseCode = "200", //
description = "Configuration updated", //
content = @Content(schema = @Schema(implementation = VoidResponse.class))), //
@ApiResponse(responseCode = "400", //
description = "Invalid configuration provided", //
content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))), //
@ApiResponse(responseCode = "500", //
description = "Something went wrong when replacing the configuration. Try again.", //
content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
})
public ResponseEntity<Object> putConfiguration(@RequestBody Object configuration) {
try {
validateConfigFileIsUsed();
String configAsString = gson.toJson(configuration);
JsonObject configJson = JsonParser.parseString(configAsString).getAsJsonObject();
ApplicationConfigParser configParser = new ApplicationConfigParser();
configParser.parse(configJson);
configurationFile.writeFile(configJson);
logger.info("Configuration changed through REST call.");
return new ResponseEntity<>(HttpStatus.OK);
} catch (IOException ioe) {
logger.warn("Configuration file not written, {}.", ioe.getMessage());
return ErrorResponse.create("Internal error when writing the configuration.",
HttpStatus.INTERNAL_SERVER_ERROR);
} catch (Exception e) {
return ErrorResponse.create(e, HttpStatus.BAD_REQUEST);
}
}
@GetMapping(path = Consts.V2_API_ROOT + "/configuration", produces = MediaType.APPLICATION_JSON_VALUE)
@Operation(summary = "Returns the contents of the configuration file", //
description = "Note that the file contents is not relevant if the Consul is used.") //
@ApiResponses(value = { //
@ApiResponse(responseCode = "200", //
description = "Configuration", //
content = @Content(schema = @Schema(implementation = Object.class))), //
@ApiResponse(responseCode = "404", //
description = "File is not found or readable", //
content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class)))
})
public ResponseEntity<Object> getConfiguration() {
try {
validateConfigFileIsUsed();
Optional<JsonObject> rootObject = configurationFile.readFile();
if (rootObject.isPresent()) {
return new ResponseEntity<>(rootObject.get().toString(), HttpStatus.OK);
} else {
return ErrorResponse.create("File does not exist", HttpStatus.NOT_FOUND);
}
} catch (Exception e) {
return ErrorResponse.create(e, HttpStatus.INTERNAL_SERVER_ERROR);
}
}
private void validateConfigFileIsUsed() throws ServiceException {
if (this.refreshConfigTask.isConsulUsed()) {
throw new ServiceException("Config file not used (Consul is used)", HttpStatus.FORBIDDEN);
}
}
}
|
