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Azure Resource Template Dependencies / Application Insights

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野性不改
野性不改 2020-12-11 03:31

I have a chicken and egg problem deploying Application Insights with my web application to Azure. In the ARM template, the Application Insights module is dependent upon the

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  • 野的像风
    2020-12-11 03:44

    Alternative and updated answer (2020/03): do what the Azure Portal UX does (can be viewed via "Download template" at a last step of webapp creation).

    For application insights resource, you don't necessarily need to wait for website resource to be created. According to applicationInsights ARM the website.Name is used to applicaitonInsights.properties.ApplicationId. Since you are creating both at the same time, you can pass the name value both to ApplicationInsights and website resources from input:

    {
    "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "subscriptionId": {
            "type": "string"
        },
        "name": {
            "type": "string"
        },
        "location": {
            "type": "string"
        },
        "hostingEnvironment": {
            "type": "string"
        },
        "hostingPlanName": {
            "type": "string"
        },
        "serverFarmResourceGroup": {
            "type": "string"
        },
        "alwaysOn": {
            "type": "bool"
        },
        "sku": {
            "type": "string"
        },
        "skuCode": {
            "type": "string"
        },
        "workerSize": {
            "type": "string"
        },
        "workerSizeId": {
            "type": "string"
        },
        "numberOfWorkers": {
            "type": "string"
        },
        "currentStack": {
            "type": "string"
        },
        "netFrameworkVersion": {
            "type": "string"
        }
    },
    "resources": [
        {
            "apiVersion": "2018-11-01",
            "name": "[parameters('name')]",
            "type": "Microsoft.Web/sites",
            "location": "[parameters('location')]",
            "tags": {},
            "dependsOn": [
                "microsoft.insights/components/testapp01",
                "[concat('Microsoft.Web/serverfarms/', parameters('hostingPlanName'))]"
            ],
            "properties": {
                "name": "[parameters('name')]",
                "siteConfig": {
                    "appSettings": [
                        {
                            "name": "APPINSIGHTS_INSTRUMENTATIONKEY",
                            "value": "[reference('microsoft.insights/components/testapp01', '2015-05-01').InstrumentationKey]"
                        },
                        {
                            "name": "APPLICATIONINSIGHTS_CONNECTION_STRING",
                            "value": "[reference('microsoft.insights/components/testapp01', '2015-05-01').ConnectionString]"
                        },
                        {
                            "name": "ApplicationInsightsAgent_EXTENSION_VERSION",
                            "value": "~2"
                        }
                    ],
                    "metadata": [
                        {
                            "name": "CURRENT_STACK",
                            "value": "[parameters('currentStack')]"
                        }
                    ],
                    "netFrameworkVersion": "[parameters('netFrameworkVersion')]",
                    "alwaysOn": "[parameters('alwaysOn')]"
                },
                "serverFarmId": "[concat('/subscriptions/', parameters('subscriptionId'),'/resourcegroups/', parameters('serverFarmResourceGroup'), '/providers/Microsoft.Web/serverfarms/', parameters('hostingPlanName'))]",
                "hostingEnvironment": "[parameters('hostingEnvironment')]",
                "clientAffinityEnabled": true
            }
        },
        {
            "apiVersion": "2018-11-01",
            "name": "[parameters('hostingPlanName')]",
            "type": "Microsoft.Web/serverfarms",
            "location": "[parameters('location')]",
            "kind": "",
            "tags": {},
            "dependsOn": [],
            "properties": {
                "name": "[parameters('hostingPlanName')]",
                "workerSize": "[parameters('workerSize')]",
                "workerSizeId": "[parameters('workerSizeId')]",
                "numberOfWorkers": "[parameters('numberOfWorkers')]",
                "hostingEnvironment": "[parameters('hostingEnvironment')]"
            },
            "sku": {
                "Tier": "[parameters('sku')]",
                "Name": "[parameters('skuCode')]"
            }
        },
        {
            "apiVersion": "2015-05-01",
            "name": "testapp01",
            "type": "microsoft.insights/components",
            "location": "centralus",
            "tags": {},
            "properties": {
                "ApplicationId": "[parameters('name')]",
                "Request_Source": "IbizaWebAppExtensionCreate"
            }
        }
    ]
}

    The order of creation will be following:

    1. Application Insights resource
    2. App Service webapp
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  • 借酒劲吻你
    2020-12-11 03:58

    The solution is to have the connection strings and app settings created as nested child resources of the web site. By using the child resource strategy, one can then make the appsettings dependent upon both the web site and application insights. This allows provisioning to occur in the following order:

    1. Web Site
    2. Application Insights
    3. Web Site config / appsettings

    The following two answers were helpful. The first one illustrates how to pull the instrumentation key. The second one illustrates how to nest app settings and connection strings as child resources of the web site.

    How to pull the instrumentation key

    How to nest app settings as child resources

    Here is my final template:

    {
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "webSiteName": {
      "type": "string"
    },
    "aadTenant": {
      "type": "string"
    },
    "aadAudience": {
      "type": "string"
    },
    "endpoints": {
      "type": "string",
      "defaultValue": "n/a"
    },
    "apiEndpoint": {
      "type": "string",
      "defaultValue": "n/a"
    },
    "sqlConnStrName": {
      "type": "string"
    },
    "sqlConnStrValue": {
      "type": "string"
    },
    "skuName": {
      "type": "string",
      "defaultValue": "F1",
      "allowedValues": [
        "F1",
        "D1",
        "B1",
        "B2",
        "B3",
        "S1",
        "S2",
        "S3",
        "P1",
        "P2",
        "P3",
        "P4"
      ],
      "metadata": {
        "description": "Describes plan's pricing tier and instance size. Check details at https://azure.microsoft.com/en-us/pricing/details/app-service/"
      }
    },
    "skuCapacity": {
      "type": "int",
      "defaultValue": 1,
      "minValue": 1,
      "metadata": {
        "description": "Describes plan's instance count"
      }
    }
  },
  "variables": {
    "hostingPlanName": "[concat(parameters('webSiteName'), '-hostingplan')]"
  },
  "resources": [
    {
      "apiVersion": "2015-08-01",
      "name": "[variables('hostingPlanName')]",
      "type": "Microsoft.Web/serverfarms",
      "location": "[resourceGroup().location]",
      "tags": {
        "displayName": "HostingPlan"
      },
      "sku": {
        "name": "[parameters('skuName')]",
        "capacity": "[parameters('skuCapacity')]"
      },
      "properties": {
        "name": "[variables('hostingPlanName')]"
      }
    },
    {
      "apiVersion": "2015-08-01",
      "name": "[parameters('webSiteName')]",
      "type": "Microsoft.Web/sites",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[variables('hostingPlanName')]"
      ],
      "tags": {
        "[concat('hidden-related:', resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName')))]": "empty",
        "displayName": "Website"
      },
      "properties": {
        "name": "[parameters('webSiteName')]",
        "serverFarmId": "[resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName'))]"
      },
      "resources": [
        {
          "apiVersion": "2015-08-01",
          "name": "appsettings",
          "type": "config",
          "dependsOn": [
            "[parameters('webSiteName')]",
            "[concat('AppInsights', parameters('webSiteName'))]"
          ],
          "properties": {
            "ida:Tenant": "[parameters('aadTenant')]",
            "ida:Audience": "[parameters('aadAudience')]",
            "endpoints": "[parameters('endpoints')]",
            "apiEndpoint": "[parameters('apiEndpoint')]",
            "applicationInsightsInstrumentationKey": "[reference(resourceId('Microsoft.Insights/components', concat('AppInsights', parameters('webSiteName'))), '2014-04-01').InstrumentationKey]"
          }
        },
        {
          "apiVersion": "2015-08-01",
          "type": "config",
          "name": "connectionstrings",
          "dependsOn": [
            "[parameters('webSiteName')]"
          ],
          "properties": {
            "[parameters('sqlConnStrName')]": {
              "value": "[parameters('sqlConnStrValue')]",
              "type": "SQLServer"
            }
          }
        },
        {
          "apiVersion": "2015-08-01",
          "name": "logs",
          "type": "config",
          "dependsOn": [
            "[parameters('webSiteName')]"
          ],
          "properties": {
            "applicationLogs": {
              "fileSystem": {
                "level": "Off"
              },
              "azureTableStorage": {
                "level": "Off",
                "sasUrl": null
              },
              "azureBlobStorage": {
                "level": "Information",
                "sasUrl": "TO DO: pass in a SAS Url",
                "retentionInDays": null
              }
            },
            "httpLogs": {
              "fileSystem": {
                "retentionInMb": 40,
                "enabled": true
              }
            },
            "failedRequestsTracing": {
              "enabled": true
            },
            "detailedErrorMessages": {
              "enabled": true
            }
          }
        }
      ]
    },
    {
      "apiVersion": "2014-04-01",
      "name": "[concat(variables('hostingPlanName'), '-', resourceGroup().name)]",
      "type": "Microsoft.Insights/autoscalesettings",
      "location": "[resourceGroup().location]",
      "tags": {
        "[concat('hidden-link:', resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName')))]": "Resource",
        "displayName": "AutoScaleSettings"
      },
      "dependsOn": [
        "[variables('hostingPlanName')]"
      ],
      "properties": {
        "profiles": [
          {
            "name": "Default",
            "capacity": {
              "minimum": 1,
              "maximum": 2,
              "default": 1
            },
            "rules": [
              {
                "metricTrigger": {
                  "metricName": "CpuPercentage",
                  "metricResourceUri": "[resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName'))]",
                  "timeGrain": "PT1M",
                  "statistic": "Average",
                  "timeWindow": "PT10M",
                  "timeAggregation": "Average",
                  "operator": "GreaterThan",
                  "threshold": 80.0
                },
                "scaleAction": {
                  "direction": "Increase",
                  "type": "ChangeCount",
                  "value": 1,
                  "cooldown": "PT10M"
                }
              },
              {
                "metricTrigger": {
                  "metricName": "CpuPercentage",
                  "metricResourceUri": "[resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName'))]",
                  "timeGrain": "PT1M",
                  "statistic": "Average",
                  "timeWindow": "PT1H",
                  "timeAggregation": "Average",
                  "operator": "LessThan",
                  "threshold": 60.0
                },
                "scaleAction": {
                  "direction": "Decrease",
                  "type": "ChangeCount",
                  "value": 1,
                  "cooldown": "PT1H"
                }
              }
            ]
          }
        ],
        "enabled": false,
        "name": "[concat(variables('hostingPlanName'), '-', resourceGroup().name)]",
        "targetResourceUri": "[resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName'))]"
      }
    },
    {
      "apiVersion": "2014-04-01",
      "name": "[concat('ServerErrors ', parameters('webSiteName'))]",
      "type": "Microsoft.Insights/alertrules",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[parameters('webSiteName')]"
      ],
      "tags": {
        "[concat('hidden-link:', resourceId('Microsoft.Web/sites', parameters('webSiteName')))]": "Resource",
        "displayName": "ServerErrorsAlertRule"
      },
      "properties": {
        "name": "[concat('ServerErrors ', parameters('webSiteName'))]",
        "description": "[concat(parameters('webSiteName'), ' has some server errors, status code 5xx.')]",
        "isEnabled": true,
        "condition": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.ThresholdRuleCondition",
          "dataSource": {
            "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleMetricDataSource",
            "resourceUri": "[resourceId('Microsoft.Web/sites', parameters('webSiteName'))]",
            "metricName": "Http5xx"
          },
          "operator": "GreaterThan",
          "threshold": 5.0,
          "windowSize": "PT5M"
        },
        "action": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleEmailAction",
          "sendToServiceOwners": true,
          "customEmails": ["you@example.com"]
        }
      }
    },
    {
      "apiVersion": "2014-04-01",
      "name": "[concat('ForbiddenRequests ', parameters('webSiteName'))]",
      "type": "Microsoft.Insights/alertrules",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[parameters('webSiteName')]"
      ],
      "tags": {
        "[concat('hidden-link:', resourceId('Microsoft.Web/sites', parameters('webSiteName')))]": "Resource",
        "displayName": "ForbiddenRequestsAlertRule"
      },
      "properties": {
        "name": "[concat('ForbiddenRequests ', parameters('webSiteName'))]",
        "description": "[concat(parameters('webSiteName'), ' has some requests that are forbidden, status code 403.')]",
        "isEnabled": true,
        "condition": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.ThresholdRuleCondition",
          "dataSource": {
            "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleMetricDataSource",
            "resourceUri": "[resourceId('Microsoft.Web/sites', parameters('webSiteName'))]",
            "metricName": "Http403"
          },
          "operator": "GreaterThan",
          "threshold": 5,
          "windowSize": "PT5M"
        },
        "action": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleEmailAction",
          "sendToServiceOwners": true,
          "customEmails": [ ]
        }
      }
    },
    {
      "apiVersion": "2014-04-01",
      "name": "[concat('CPUHigh ', variables('hostingPlanName'))]",
      "type": "Microsoft.Insights/alertrules",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[variables('hostingPlanName')]"
      ],
      "tags": {
        "[concat('hidden-link:', resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName')))]": "Resource",
        "displayName": "CPUHighAlertRule"
      },
      "properties": {
        "name": "[concat('CPUHigh ', variables('hostingPlanName'))]",
        "description": "[concat('The average CPU is high across all the instances of ', variables('hostingPlanName'))]",
        "isEnabled": false,
        "condition": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.ThresholdRuleCondition",
          "dataSource": {
            "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleMetricDataSource",
            "resourceUri": "[resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName'))]",
            "metricName": "CpuPercentage"
          },
          "operator": "GreaterThan",
          "threshold": 90,
          "windowSize": "PT15M"
        },
        "action": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleEmailAction",
          "sendToServiceOwners": true,
          "customEmails": [ ]
        }
      }
    },
    {
      "apiVersion": "2014-04-01",
      "name": "[concat('LongHttpQueue ', variables('hostingPlanName'))]",
      "type": "Microsoft.Insights/alertrules",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[variables('hostingPlanName')]"
      ],
      "tags": {
        "[concat('hidden-link:', resourceId('Microsoft.Web/serverfarms', variables('hostingPlanName')))]": "Resource",
        "displayName": "AutoScaleSettings"
      },
      "properties": {
        "name": "[concat('LongHttpQueue ', variables('hostingPlanName'))]",
        "description": "[concat('The HTTP queue for the instances of ', variables('hostingPlanName'), ' has a large number of pending requests.')]",
        "isEnabled": false,
        "condition": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.ThresholdRuleCondition",
          "dataSource": {
            "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleMetricDataSource",
            "resourceUri": "[concat(resourceGroup().id, '/providers/Microsoft.Web/serverfarms/', variables('hostingPlanName'))]",
            "metricName": "HttpQueueLength"
          },
          "operator": "GreaterThan",
          "threshold": 100.0,
          "windowSize": "PT5M"
        },
        "action": {
          "odata.type": "Microsoft.Azure.Management.Insights.Models.RuleEmailAction",
          "sendToServiceOwners": true,
          "customEmails": [ ]
        }
      }
    },
    {
      "apiVersion": "2014-04-01",
      "name": "[concat('AppInsights', parameters('webSiteName'))]",
      "type": "Microsoft.Insights/components",
      "location": "Central US",
      "dependsOn": [
        "[parameters('webSiteName')]"
      ],
      "tags": {
        "[concat('hidden-link:', resourceId('Microsoft.Web/sites', parameters('webSiteName')))]": "Resource",
        "displayName": "AppInsightsComponent"
      },
      "properties": {
        "ApplicationId": "[parameters('webSiteName')]"
      }
    }
  ],
  "outputs": {
    "siteUri": {
      "type": "string",
      "value": "[reference(concat('Microsoft.Web/sites/', parameters('webSiteName')), '2015-08-01').hostnames[0]]"
    }
  }

}
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  • 野的像风
    2020-12-11 03:58

    To elaborate on Mikl X answer, you can have the website depend on the application insights resource and set the instrumentation key on the app settings of the website.

    Skipping irrelevant parts:

        "resources": [
        {
            "type": "Microsoft.Insights/components",
            "name": "[variables('appInsightsName')]"
            ... more config
        },
        {
            "type": "Microsoft.Web/sites",
            "name": "[variables('apiName')]",
            "dependsOn": [
                "[resourceId('Microsoft.Insights/components', variables('appInsightsName'))]" <-- ensure app insights is created first
            ],
            "properties": {
                "siteConfig": {
                    "appSettings": [
                        {
                            "name": "APPINSIGHTS_INSTRUMENTATIONKEY",
                            "value": "[reference(variables('appInsightsName')).InstrumentationKey]" <-- use key of previously created resource
                        }
                    ]
                }
            }
        }
        ... more config
    ]
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