是为了定义资源之间的依赖关系。dependsOn属性可以确保在创建或更新资源时,所依赖的资源已经存在或已经完成部署。
具体来说,dependsOn属性可以用于以下几个方面:
使用dependsOn属性的示例:
{
"resources": [
{
"type": "Microsoft.Network/virtualNetworks",
"name": "vnet1",
"apiVersion": "2021-02-01",
"location": "eastus",
"properties": {
"addressSpace": {
"addressPrefixes": [
"10.0.0.0/16"
]
}
}
},
{
"type": "Microsoft.Compute/virtualMachines",
"name": "vm1",
"apiVersion": "2021-03-01",
"location": "eastus",
"dependsOn": [
"[resourceId('Microsoft.Network/virtualNetworks', 'vnet1')]"
],
"properties": {
"hardwareProfile": {
"vmSize": "Standard_DS1_v2"
},
"storageProfile": {
"imageReference": {
"publisher": "Canonical",
"offer": "UbuntuServer",
"sku": "16.04-LTS",
"version": "latest"
},
"osDisk": {
"createOption": "FromImage"
}
},
"networkProfile": {
"networkInterfaces": [
{
"id": "[resourceId('Microsoft.Network/networkInterfaces', 'nic1')]"
}
]
}
}
},
{
"type": "Microsoft.Network/networkInterfaces",
"name": "nic1",
"apiVersion": "2021-02-01",
"location": "eastus",
"dependsOn": [
"[resourceId('Microsoft.Network/virtualNetworks', 'vnet1')]"
],
"properties": {
"ipConfigurations": [
{
"name": "ipconfig1",
"properties": {
"subnet": {
"id": "[concat(resourceId('Microsoft.Network/virtualNetworks', 'vnet1'), '/subnets/default')]"
}
}
}
]
}
}
]
}
在上述示例中,虚拟机(vm1)和网络接口(nic1)的创建都依赖于虚拟网络(vnet1)的存在。通过在资源定义中使用dependsOn属性,确保了资源的创建顺序和依赖关系。
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