有没有办法为微软监控代理指定目标日志文件来监听并从代码中提取日志？

Question

我正在考虑使用 Microsoft 监控代理从系统上的日志文件中收集一些日志记录并将它们发送到日志分析工作区。 有没有办法指定代理将侦听的目标文件（自定义日志文件）并将日志直接流式传输到 azure 工作区。 我知道这可以通过 azure 门户通过在工作区中添加一个额外的数据源来实现（由这个链接 https://docs.microsoft.com/en-us/azure/azure-monitor/platform/data-sources-custom-logs 指定）。 我正在寻找一种从 c# 代码/powershell 脚本配置这些数据源的方法。（可能是我不知道的 api 或 sdk）。

Answer 1

添加自定义日志使用 New-AzOperationalInsightsCustomLogDataSource。

这里是其他 powershell commandlet，可以方便地查询和创建 LogAnalytics 数据源。

get-azoperationalinsightsdatasource
New-AzOperationalInsightsApplicationInsightsDataSource 
New-AzOperationalInsightsAzureActivityLogDataSource
New-AzOperationalInsightsComputerGroup
New-AzOperationalInsightsCustomLogDataSource
New-AzOperationalInsightsLinuxPerformanceObjectDataSource
New-AzOperationalInsightsLinuxSyslogDataSource
New-AzOperationalInsightsSavedSearch
New-AzOperationalInsightsStorageInsight
New-AzOperationalInsightsWindowsEventDataSource
New-AzOperationalInsightsWindowsPerformanceCounterDataSource

https://docs.microsoft.com/en-us/powershell/module/az.operationalinsights/get-azoperationalinsightsdatasource?view=azps-2.7.0

还可以找到日志分析 Rest API 的链接，该 API 可以轻松地与 C# 代码一起使用。

https://docs.microsoft.com/en-us/rest/api/loganalytics/ https://docs.microsoft.com/en-us/rest/api/loganalytics/datasources/createorupdate

Powershell

要收集的自定义日志

链接：https://docs.microsoft.com/en-us/azure/azure-monitor/platform/powershell-workspace-configuration

$CustomLog = @"
{
    "customLogName": "sampleCustomLog1",
    "description": "Example custom log datasource",
    "inputs": [
        {
            "location": {
            "fileSystemLocations": {
                "windowsFileTypeLogPaths": [ "e:\\iis5\\*.log" ],
                "linuxFileTypeLogPaths": [ "/var/logs" ]
                }
            },
        "recordDelimiter": {
            "regexDelimiter": {
                "pattern": "\\n",
                "matchIndex": 0,
                "matchIndexSpecified": true,
                "numberedGroup": null
                }
            }
        }
    ],
    "extractions": [
        {
            "extractionName": "TimeGenerated",
            "extractionType": "DateTime",
            "extractionProperties": {
                "dateTimeExtraction": {
                    "regex": null,
                    "joinStringRegex": null
                    }
                }
            }
        ]
    }
"@




# Custom Logs

New-AzOperationalInsightsCustomLogDataSource -ResourceGroupName $ResourceGroup -WorkspaceName $WorkspaceName -CustomLogRawJson "$CustomLog" -Name "Example Custom Log Collection"

• ARM 模板

自定义日志的 Arm 模板格式如下。详见链接https://docs.microsoft.com/en-us/azure/azure-monitor/platform/template-workspace-configuration

{
          "apiVersion": "2015-11-01-preview",
          "type": "dataSources",
          "name": "[concat(parameters('workspaceName'), parameters('customlogName'))]",
          "dependsOn": [
            "[concat('Microsoft.OperationalInsights/workspaces/', parameters('workspaceName'))]"
          ],
          "kind": "CustomLog",
          "properties": {
            "customLogName": "[parameters('customlogName')]",
            "description": "this is a description",
            "extractions": [
              {
                "extractionName": "TimeGenerated",
                "extractionProperties": {
                  "dateTimeExtraction": {
                    "regex": [
                      {
                        "matchIndex": 0,
                        "numberdGroup": null,
                        "pattern": "((\\d{2})|(\\d{4}))-([0-1]\\d)-(([0-3]\\d)|(\\d))\\s((\\d)|([0-1]\\d)|(2[0-4])):[0-5][0-9]:[0-5][0-9]"
                      }
                    ]
                  }
                },
                "extractionType": "DateTime"
              }
            ],
            "inputs": [
              {
                "location": {
                  "fileSystemLocations": {
                    "linuxFileTypeLogPaths": null,
                    "windowsFileTypeLogPaths": [
                      "[concat('c:\\Windows\\Logs\\',parameters('customlogName'))]"
                    ]
                  }
                },
                "recordDelimiter": {
                  "regexDelimiter": {
                    "matchIndex": 0,
                    "numberdGroup": null,
                    "pattern": "(^.*((\\d{2})|(\\d{4}))-([0-1]\\d)-(([0-3]\\d)|(\\d))\\s((\\d)|([0-1]\\d)|(2[0-4])):[0-5][0-9]:[0-5][0-9].*$)"
                  }
                }
              }
            ]
          }
        }