我可以循环访问ARM模板中的属性吗? [英] Can I loop over properties in ARM templates?
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问题描述
我有一个ARM模板,我在其中设置了一个负载均衡器,并且我想通过向LB添加规则和探测来添加多个端口开放。
这是我到目前为止拥有的模板:
{
"type": "Microsoft.Network/loadBalancers",
"name": "LB-front",
"apiVersion": "2016-03-30",
"location": "westeurope",
"tags": { },
"properties": {
"frontendIPConfigurations": [
{
"name": "LoadBalancerIPConfig",
"properties": {
"privateIPAllocationMethod": "Dynamic",
"publicIPAddress": {
"id": "[resourceId('Microsoft.Network/publicIPAddresses', parameters('publicIPAddresses_lbipdev_0_name'))]"
}
}
}
],
"backendAddressPools": [
{
"name": "LoadBalancerBEAddressPool"
}
],
"loadBalancingRules": [
{
"name": "AppPortLBRule1",
"properties": {
"frontendIPConfiguration": {
"id": "[parameters('loadBalancers_LB_dev_id_6')]"
},
"frontendPort": 80,
"backendPort": 80,
"enableFloatingIP": false,
"idleTimeoutInMinutes": 5,
"protocol": "Tcp",
"loadDistribution": "Default",
"backendAddressPool": {
"id": "[parameters('loadBalancers_LB_dev_id_7')]"
},
"probe": {
"id": "[parameters('loadBalancers_LB_dev_id_8')]"
}
}
},
{
"name": "AppPortLBRule2",
"properties": {
"frontendIPConfiguration": {
"id": "[parameters('loadBalancers_LB_dev_id_9')]"
},
"frontendPort": 81,
"backendPort": 81,
"enableFloatingIP": false,
"idleTimeoutInMinutes": 5,
"protocol": "Tcp",
"loadDistribution": "Default",
"backendAddressPool": {
"id": "[parameters('loadBalancers_LB_dev_id_10')]"
},
"probe": {
"id": "[parameters('loadBalancers_LB_dev_id_11')]"
}
}
},
{
"name": "AppPortLBRule3",
"properties": {
"frontendIPConfiguration": {
"id": "[parameters('loadBalancers_LB_dev_id_12')]"
},
"frontendPort": 82,
"backendPort": 82,
"enableFloatingIP": false,
"idleTimeoutInMinutes": 5,
"protocol": "Tcp",
"loadDistribution": "Default",
"backendAddressPool": {
"id": "[parameters('loadBalancers_LB_dev_id_13')]"
},
"probe": {
"id": "[parameters('loadBalancers_LB_dev_id_14')]"
}
}
}
],
"probes": [
{
"name": "AppPortProbe1",
"properties": {
"protocol": "Tcp",
"port": 80,
"intervalInSeconds": 5,
"numberOfProbes": 2
}
},
{
"name": "AppPortProbe2",
"properties": {
"protocol": "Tcp",
"port": 81,
"intervalInSeconds": 5,
"numberOfProbes": 2
}
},
{
"name": "AppPortProbe3",
"properties": {
"protocol": "Tcp",
"port": 82,
"intervalInSeconds": 5,
"numberOfProbes": 2
}
}
],
"inboundNatRules": [],
"outboundNatRules": [],
"inboundNatPools": []
},
"resources": [],
"dependsOn": [
"[resourceId('Microsoft.Network/publicIPAddresses', parameters('publicIPAddresses_lbipdev_1_name'))]"
]
},
(省略了一些细节)
我想要做的是让我要为其创建规则和探测的端口号数组循环遍历这些端口号,而不是显式地编写每个规则和探测作为资源的属性。
基本上我希望模板中有这样的参数或变量:
"ports": [ 80, 81, 82, ...]
我可以像这样循环:https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-group-create-multiple。
推荐答案
您只能将复制对象应用于顶级资源。
不能将其应用于资源类型的属性或子资源。
"resources": [
{
"type": "{provider-namespace-and-type}",
"name": "parentResource",
"copy": {
/* yes, copy can be applied here */
},
"properties": {
"exampleProperty": {
/* no, copy cannot be applied here */
}
},
"resources": [
{
"type": "{provider-type}",
"name": "childResource",
/* copy can be applied if resource is promoted to top level */
}
]
}
]
Source of Quotation: Deploy multiple instances of resources in Azure Resource Manager templates
仅当将复制对象应用于顶级资源(在您的情况下为"Microsoft.Network/loadBalancers",,但这也将创建所述资源的多个副本)时,您才能循环使用ARM模板中的属性。
如果这不是您想要实现的目标,我建议您保持现有方式,直到ARM模板支持将来将对象复制到资源类型的属性。
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