1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 | using HeuristicLab.Services.Optimization.ControllerService.Interfaces;
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6 | using Microsoft.WindowsAzure;
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7 | using Microsoft.WindowsAzure.StorageClient;
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8 | using Microsoft.WindowsAzure.ServiceRuntime;
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9 | using System.Diagnostics;
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10 | using HeuristicLab.Services.Optimization.ControllerService.Model;
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11 | using HeuristicLab.Services.Optimization.ControllerService.Parsers;
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12 |
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13 | namespace HeuristicLab.Services.Optimization.ControllerService.Azure {
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14 | public static class AzureConstants {
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15 | public static readonly string SCENARIO_TABLE = "Scenario";
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16 | public static readonly string SCENARIO_BLOB_CONTAINER = "scenario";
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17 | public static readonly string EXPERIMENT_TABLE = "Experiment";
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18 | public static readonly string EXPERIMENT_BLOB_CONTAINER = "experiment";
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19 | public static readonly string CLOUD_SETTINGS_KEY = "Cloudia.WindowsAzure.Storage";
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20 |
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21 |
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22 | }
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23 |
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24 | public class ScenarioDao : IScenarioDao {
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25 | public CloudTableClient TableClient { get; set; }
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26 |
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27 | public bool Add(ScenarioEntity entity) {
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28 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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29 | TableClient.CreateTableIfNotExist(AzureConstants.SCENARIO_TABLE);
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30 | ScenarioEntity dbEntity = (from e in serviceContext.CreateQuery<ScenarioEntity>(AzureConstants.SCENARIO_TABLE)
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31 | where e.RowKey == entity.RowKey
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32 | select e).FirstOrDefault();
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33 | if (dbEntity != null)
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34 | return false;
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35 |
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36 | serviceContext.AddObject(AzureConstants.SCENARIO_TABLE, entity);
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37 | serviceContext.SaveChanges();
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38 | return true;
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39 | }
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40 |
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41 | public bool DeleteByName(string scenarioName) {
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42 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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43 | TableClient.CreateTableIfNotExist(AzureConstants.SCENARIO_TABLE);
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44 | ScenarioEntity entity = (from e in serviceContext.CreateQuery<ScenarioEntity>(AzureConstants.SCENARIO_TABLE)
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45 | where e.RowKey == scenarioName
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46 | select e).FirstOrDefault();
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47 | if (entity == null)
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48 | return false;
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49 |
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50 | serviceContext.DeleteObject(entity);
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51 | serviceContext.SaveChangesWithRetries();
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52 | return true;
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53 | }
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54 |
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55 | public ScenarioEntity FindByName(string scenarioName) {
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56 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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57 | TableClient.CreateTableIfNotExist(AzureConstants.SCENARIO_TABLE);
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58 | ScenarioEntity entity = (from e in serviceContext.CreateQuery<ScenarioEntity>(AzureConstants.SCENARIO_TABLE)
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59 | where e.RowKey == scenarioName
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60 | select e).FirstOrDefault();
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61 | return entity;
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62 | }
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63 |
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64 |
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65 | public IEnumerable<ScenarioEntity> GetAllEntities() {
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66 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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67 | TableClient.CreateTableIfNotExist(AzureConstants.SCENARIO_TABLE);
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68 | return (from e in serviceContext.CreateQuery<ScenarioEntity>(AzureConstants.SCENARIO_TABLE)
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69 | select e).AsEnumerable();
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70 | }
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71 | }
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72 |
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73 | public class BlobDao : IBlobDao {
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74 | public CloudBlobClient BlobClient { get; set; }
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75 |
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76 | public bool Add(StringEntry entry) {
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77 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.SCENARIO_BLOB_CONTAINER);
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78 | container.CreateIfNotExist();
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79 | var blob = container.GetBlobReference(entry.Key);
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80 | blob.UploadText(entry.Text);
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81 | return true;
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82 | }
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83 |
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84 | public bool DeleteByKey(string entryKey) {
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85 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.SCENARIO_BLOB_CONTAINER);
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86 | container.CreateIfNotExist();
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87 | var blob = container.GetBlobReference(entryKey);
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88 | return blob.DeleteIfExists();
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89 | }
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90 |
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91 | public StringEntry FindByKey(string entryKey) {
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92 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.SCENARIO_BLOB_CONTAINER);
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93 | container.CreateIfNotExist();
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94 | var blob = container.GetBlobReference(entryKey);
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95 | return new StringEntry() { Key = entryKey, Text = blob.DownloadText() };
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96 | }
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97 | }
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98 |
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99 | internal sealed class ExperimentEntity : TableServiceEntity {
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100 | public ExperimentEntity() {
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101 | }
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102 |
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103 | public ExperimentEntity(string user, string experimentName, string experimentId, string experimentUrl) {
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104 | PartitionKey = "ScenarioPartition";
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105 | RowKey = user + "_" + experimentName;
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106 | User = user;
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107 | ExperimentId = experimentId;
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108 | ExperimentJsonUrl = experimentUrl;
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109 | }
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110 |
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111 | public string ExperimentId { get; set; }
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112 |
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113 | public string User { get; set; }
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114 |
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115 | public string ExperimentJsonUrl { get; set; }
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116 |
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117 | }
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118 |
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119 | public class ExperimentDao : IExperimentDao {
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120 | public CloudBlobClient BlobClient { get; set; }
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121 | public CloudTableClient TableClient { get; set; }
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122 |
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123 | public bool Add(string username, Model.Experiment experiment) {
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124 | if (FindByName(username, experiment.Name) != null)
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125 | return false;
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126 |
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127 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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128 | container.CreateIfNotExist();
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129 | // For now we store it as JSON element in the blob store
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130 | var experimentJson = AlgorithmConverter.ConvertExperimentToJson(experiment);
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131 | Guid experimentJsonGuid = Guid.NewGuid();
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132 | var experimentJsonId = experiment.Name + "_" + experimentJsonGuid.ToString();
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133 | experimentJson["nodeId"] = experimentJsonId.ToString();
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134 | var blob = container.GetBlobReference(experimentJsonId);
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135 | blob.UploadText(experimentJson.ToString());
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136 | experiment.Id = experimentJsonId;
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137 |
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138 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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139 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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140 | var entity = new ExperimentEntity(username, experiment.Name, experiment.Id, blob.Uri.ToString());
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141 | serviceContext.AddObject(AzureConstants.EXPERIMENT_TABLE, entity);
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142 | serviceContext.SaveChangesWithRetries();
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143 | return true;
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144 | }
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145 |
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146 | public bool Update(string username, Experiment experiment) {
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147 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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148 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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149 | var entity = (from e in serviceContext.CreateQuery<ExperimentEntity>(AzureConstants.EXPERIMENT_TABLE)
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150 | where e.ExperimentId == experiment.Id
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151 | select e).FirstOrDefault();
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152 | if (entity == null) {
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153 | return false;
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154 | }
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155 |
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156 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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157 | container.CreateIfNotExist();
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158 | var blob = container.GetBlobReference(entity.ExperimentJsonUrl);
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159 | var experimentJson = AlgorithmConverter.ConvertExperimentToJson(experiment).ToString();
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160 | blob.UploadText(experimentJson);
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161 | return true;
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162 | }
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163 |
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164 | public bool Delete(string username, string experimentId) {
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165 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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166 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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167 | var entity = (from e in serviceContext.CreateQuery<ExperimentEntity>(AzureConstants.EXPERIMENT_TABLE)
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168 | where e.ExperimentId == experimentId
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169 | select e).FirstOrDefault();
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170 |
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171 | if (entity == null)
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172 | return false;
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173 |
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174 | if (entity.ExperimentJsonUrl != null) {
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175 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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176 | container.CreateIfNotExist();
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177 | var blob = container.GetBlobReference(entity.ExperimentJsonUrl);
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178 | blob.DeleteIfExists();
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179 | }
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180 |
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181 | serviceContext.DeleteObject(entity);
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182 | serviceContext.SaveChangesWithRetries();
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183 | return true;
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184 | }
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185 |
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186 | public bool DeleteByName(string username, string experiment) {
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187 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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188 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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189 | var entity = (from e in serviceContext.CreateQuery<ExperimentEntity>(AzureConstants.EXPERIMENT_TABLE)
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190 | where e.RowKey == (username + "_" + experiment)
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191 | select e).FirstOrDefault();
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192 |
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193 | if (entity == null)
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194 | return false;
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195 |
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196 | if (entity.ExperimentJsonUrl != null) {
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197 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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198 | container.CreateIfNotExist();
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199 | var blob = container.GetBlobReference(entity.ExperimentJsonUrl);
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200 | blob.DeleteIfExists();
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201 | }
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202 |
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203 | serviceContext.DeleteObject(entity);
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204 | serviceContext.SaveChangesWithRetries();
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205 | return true;
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206 | }
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207 |
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208 | public Model.Experiment FindByName(string username, string experiment) {
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209 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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210 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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211 | var entity = (from e in serviceContext.CreateQuery<ExperimentEntity>(AzureConstants.EXPERIMENT_TABLE)
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212 | where e.RowKey == (username + "_" + experiment)
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213 | select e).FirstOrDefault();
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214 |
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215 | if (entity == null) {
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216 | return null;
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217 | }
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218 |
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219 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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220 | container.CreateIfNotExist();
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221 | var blob = container.GetBlobReference(entity.ExperimentJsonUrl);
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222 | return AlgorithmConverter.ConvertJsonToExperiment(blob.DownloadText());
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223 | }
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224 |
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225 | //private Experiment Convert(ExperimentEntity entity, string entityJson) {
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226 | // // TODO: Read the whole experiment, not just the names!
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227 | // var exp = new Experiment() { Name = entity.RowKey.Split('_')[1] };
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228 | // foreach (var scenarioName in entity.Algorithms.Split(','))
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229 | // exp.Algorithm.Add(new Algorithm() { Name = scenarioName });
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230 | // return exp;
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231 | //}
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232 |
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233 | public IEnumerable<Model.Experiment> GetExperiments(string user, bool namesOnly=false) {
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234 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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235 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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236 | var entites = (from e in serviceContext.CreateQuery<ExperimentEntity>(AzureConstants.EXPERIMENT_TABLE)
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237 | where e.User == user
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238 | select e).ToList();
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239 | var experiments = new List<Experiment>();
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240 | if (namesOnly) {
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241 | return (from e in entites select new Model.Experiment() { Id = e.ExperimentId, Name = e.RowKey.Split('_')[1] });
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242 | }
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243 | else {
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244 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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245 | container.CreateIfNotExist();
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246 | foreach (var entity in entites) {
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247 | var blob = container.GetBlobReference(entity.ExperimentJsonUrl);
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248 | experiments.Add(AlgorithmConverter.ConvertJsonToExperiment(blob.DownloadText()));
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249 | }
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250 | return experiments;
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251 | }
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252 | }
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253 |
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254 |
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255 | public Experiment GetExperimentByName(string username, string scenario) {
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256 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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257 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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258 | var entity = (from e in serviceContext.CreateQuery<ExperimentEntity>(AzureConstants.EXPERIMENT_TABLE)
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259 | where e.RowKey == username + "_" + scenario
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260 | select e).FirstOrDefault();
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261 | if (entity == null || entity.ExperimentJsonUrl == null) {
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262 | return null;
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263 | }
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264 |
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265 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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266 | container.CreateIfNotExist();
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267 | var blob = container.GetBlobReference(entity.ExperimentJsonUrl);
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268 | var exp = AlgorithmConverter.ConvertJsonToExperiment(blob.DownloadText());
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269 | return exp;
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270 | }
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271 |
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272 |
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273 | public Experiment GetExperimentById(User user, string nodeId) {
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274 | TableServiceContext serviceContext = TableClient.GetDataServiceContext();
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275 | TableClient.CreateTableIfNotExist(AzureConstants.EXPERIMENT_TABLE);
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276 | var entity = (from e in serviceContext.CreateQuery<ExperimentEntity>(AzureConstants.EXPERIMENT_TABLE)
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277 | where e.ExperimentId == nodeId
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278 | select e).FirstOrDefault();
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279 | if (entity == null || entity.ExperimentJsonUrl == null) {
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280 | return null;
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281 | }
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282 |
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283 | if (entity.User != user.Username)
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284 | return null;
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285 |
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286 | CloudBlobContainer container = BlobClient.GetContainerReference(AzureConstants.EXPERIMENT_BLOB_CONTAINER);
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287 | container.CreateIfNotExist();
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288 | var blob = container.GetBlobReference(entity.ExperimentJsonUrl);
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289 | return AlgorithmConverter.ConvertJsonToExperiment(blob.DownloadText());
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290 | }
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291 |
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292 | }
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293 |
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294 | public class AzureDataAccessLayer : IDataAccessLayer {
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295 | private IScenarioDao scenarioDao;
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296 | private IBlobDao blobDao;
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297 | private IExperimentDao expDao;
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298 |
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299 | private CloudStorageAccount storageAccount;
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300 |
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301 | private CloudStorageAccount StorageAccount {
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302 | get {
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303 | if (storageAccount == null) {
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304 | try {
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305 | storageAccount = CloudStorageAccount.Parse(CloudConfigurationManager.GetSetting(AzureConstants.CLOUD_SETTINGS_KEY));
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306 | }
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307 | catch (Exception ex) {
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308 | Trace.WriteLine(ex.Message);
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309 | storageAccount = CloudStorageAccount.Parse("DefaultEndpointsProtocol=https;AccountName=optimizationstorage1;AccountKey=n7Leom8ZFWkof/VQ2a4aRSvwOlX+Gwr3uojQF9CFJw1osmGCV0WwaNC8s7nkZ+qteLduAgW2l75WFpbXrkvG4Q==");
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310 | }
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311 | }
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312 | return storageAccount;
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313 | }
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314 | }
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315 |
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316 | public IScenarioDao ScenarioDao {
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317 | get {
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318 | if (scenarioDao == null) {
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319 | scenarioDao = new ScenarioDao() { TableClient = StorageAccount.CreateCloudTableClient() };
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320 | }
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321 | return scenarioDao;
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322 | }
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323 | }
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324 |
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325 | public IBlobDao BlobDao {
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326 | get {
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327 | if (blobDao == null) {
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328 | blobDao = new BlobDao() { BlobClient = StorageAccount.CreateCloudBlobClient() };
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329 | }
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330 | return blobDao;
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331 | }
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332 | }
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333 |
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334 | public IExperimentDao ExperimentDao {
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335 | get {
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336 | if (expDao == null) {
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337 | expDao = new ExperimentDao() { TableClient = StorageAccount.CreateCloudTableClient(), BlobClient = StorageAccount.CreateCloudBlobClient() };
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338 | }
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339 | return expDao;
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340 | }
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341 | }
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342 | }
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343 | }
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