{
	"$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
	"contentVersion": "1.0.0.0",
	"parameters": {
		"location": {
			"type": "string",
			"defaultValue": "westus"
		},
		"environmentPostfix": {
			"type": "string",
			"defaultValue": "qa"
		},
		"vnetname": {
			"type": "string",
			"defaultValue": "hmrorvnetqa"
		},
		"subnetname": {
			"type": "string",
			"defaultValue": "dbsubnet"
		},

		"numberOfDBVM": {
			"type": "int",
			"defaultValue": 2,
			"maxValue": 5
		},
		"dbVMAdmin": {
			"type": "string"
		},
		"dbsshKeyData": {
			"type": "string",
			"metadata": {
				"description": "SSH rsa public key file as a string."

			}
		},

		"internalDBLBName": {
			"type": "string",
			"defaultValue": "hmdbilb01",
			"metadata": {
				"description": "Uniquie DNS name for Internal LB Address to connect to DB"
			}

		},

		"ipaddressrange": {
			"type": "string",
			"defaultValue": "11.0.3.0/24"
		}


	},
	"variables": {
		"vmApiVersion": "2016-03-30",
		"networkApiVersion": "2016-03-30",
		"storageApiVersion": "2015-06-15",
		"vnetID": "[resourceId('Microsoft.Network/virtualNetworks', parameters('vnetname'))]",
		"dbsubnetRef": "[concat(variables('vnetID'),'/subnets/', parameters('subnetname'))]",
		"baseIP": "[split(parameters('ipaddressrange'), '/')[0]]",
		"ipValues": "[split(variables('baseIP'), '.')]",
		"vnetfirst2": "[concat(variables('ipValues')[0], '.', variables('ipValues')[1], '.')]",
		"subnetFirst3": "[concat(variables('vnetfirst2'), variables('ipValues')[2])]",

		"ip1": "[concat(variables('subnetFirst3'), '.', add(int(variables('ipValues')[3]), 4))]",
		"ip2": "[concat(variables('subnetFirst3'), '.', add(int(variables('ipValues')[3]), 5))]",
		"ip3": "[concat(variables('subnetFirst3'), '.', add(int(variables('ipValues')[3]), 6))]",
		"fileUris": "https://raw.githubusercontent.com/srakesh28/azure-ubuntu-ror-postgress/master/install_postgresql.sh",
		"commandToExecute": "bash install_postgresql.sh",
		"addresses": [
			"[variables('ip1')]",
			"[variables('ip2')]",
			"[variables('ip3')]"
		],

		"remoteNodeIPArray": ["0.0.0.0", "1.1.1.1", "2.2.2.2"],
		"alladdresses": "[concat(variables('addresses'), variables('remoteNodeIPArray'))]",

		"storageAccountType": "Premium_LRS",
		"dbVmSize": "Standard_DS2_V2",

		"as_db": "[concat(variables('dbprefix'), 'as', parameters('environmentPostfix'))]",

		"dbprefix": "db",
		"vmname": "[concat(variables('dbprefix'), 'vm', parameters('environmentPostfix'))]",
		"dbStorageAccount": "[concat(substring(uniqueString(resourceGroup().id, variables('vmname')),5), variables('dbprefix'), 'sa')]",
		"dbdiagnosticsStorageAccount": "[concat(substring(uniqueString(resourceGroup().id, variables('vmname')),5), variables('dbprefix'), 'diagsa')]",
		"dbsshKeyPath": "[concat('/home/',parameters('dbVMAdmin'),'/.ssh/authorized_keys')]",
		"lbnicName": "ilbnic1",
		"loadBalancerName": "[concat(parameters('internalDBLBName'))]",
		"lbID": "[resourceId('Microsoft.Network/loadBalancers',variables('loadBalancerName'))]",
		"frontEndIPConfigID": "[concat(variables('loadBalancerName'), '/frontendIPConfigurations/loadBalancerFrontEnd')]",



		"imageReferences": {
			"db": {
				"publisher": "Canonical",
				"offer": "UbuntuServer",
				"sku": "14.04.2-LTS",
				"version": "latest"
			}
		}
	},
	"resources": [

		{
			"type": "Microsoft.Storage/storageAccounts",
			"name": "[concat(variables('dbstorageaccount'), copyIndex())]",
			"apiVersion": "[variables('storageApiVersion')]",
			"location": "[parameters('location')]",
			"tags": {
				"displayName": "dbstorageaccounts"
			},
			"copy": {
				"name": "dbStorageLoop",
				"count": "[parameters('numberOfDBVM')]"
			},
			"properties": {
				"accountType": "[variables('storageAccountType')]"
			}
		},

		{
			"type": "Microsoft.Storage/storageAccounts",
			"name": "[variables('dbdiagnosticsStorageAccount')]",
			"apiVersion": "[variables('storageApiVersion')]",
			"location": "[parameters('location')]",
			"tags": {
				"displayName": "dbdiagnosticstorage"
			},
			"properties": {
				"accountType": "Standard_LRS"
			}
		},

		{
			"type": "Microsoft.Compute/availabilitySets",
			"name": "[variables('as_db')]",
			"apiVersion": "[variables('vmApiVersion')]",
			"location": "[parameters('location')]",
			"properties": {
				"platformUpdateDomainCount": 6,
				"platformFaultDomainCount": 3
			},
			"tags": {
				"displayName": "availabilityset_db"
			},
			"dependsOn": []
		},

		{
			"apiVersion": "[variables('vmApiVersion')]",
			"type": "Microsoft.Compute/virtualMachines",
			"name": "[concat(variables('vmname'), copyIndex())]",
			"location": "[parameters('location')]",
			"copy": {
				"name": "dbvmLoop",
				"count": "[parameters('numberOfDBVM')]"
			},
			"tags": {
				"displayName": "dbvms"
			},
			"dependsOn": [
				"dbStorageLoop",
				"[resourceId('Microsoft.Compute/availabilitySets', variables('as_db'))]",
				"[concat('Microsoft.Network/networkInterfaces/', variables('vmname'),'nic', copyindex())]"
			],
			"properties": {
				"availabilitySet": {
					"id": "[resourceId('Microsoft.Compute/availabilitySets', variables('as_db'))]"
				},
				"hardwareProfile": {
					"vmSize": "[variables('dbVmSize')]"
				},
				"osProfile": {
					"computerName": "[concat(variables('vmname'),copyIndex())]",
					"adminUsername": "[parameters('dbVMAdmin')]",
					"linuxConfiguration": {
						"disablePasswordAuthentication": true,
						"ssh": {
							"publicKeys": [{
								"path": "[variables('dbsshKeyPath')]",
								"keyData": "[parameters('dbsshKeyData')]"
							}]
						}
					}

				},
				"storageProfile": {
					"imageReference": "[variables('imagereferences').db]",
					"osDisk": {
						"name": "dbosdisk",
						"vhd": {
							"uri": "[concat('http://',variables('dbStorageAccount'), copyIndex(),'.blob.core.windows.net/vhds/','dbosdisk', copyIndex(), '.vhd')]"
						},
						"caching": "ReadWrite",
						"createOption": "FromImage"
					},

					"dataDisks": [{
							"name": "datadisk1",
							"diskSizeGB": "128",
							"lun": 1,
							"vhd": {
								"uri": "[concat('http://',variables('dbStorageAccount'), copyIndex(),'.blob.core.windows.net/vhds/',variables('vmname'), copyIndex(), '-datadisk1.vhd')]"
							},
							"caching": "None",
							"createOption": "Empty"
						},

						{
							"name": "datadisk2",
							"diskSizeGB": "128",
							"lun": 0,
							"vhd": {
								"uri": "[concat('http://',variables('dbStorageAccount'), copyIndex(),'.blob.core.windows.net/vhds/',variables('vmname'), copyIndex(), '-datadisk2.vhd')]"
							},
							"caching": "None",
							"createOption": "Empty"
						}

					]

				},



				"networkProfile": {
					"networkInterfaces": [{
						"id": "[resourceId('Microsoft.Network/networkInterfaces',concat(variables('vmname'),'nic', copyindex()))]"
					}]
				}
			}
		},

		{
			"type": "Microsoft.Compute/virtualMachines/extensions",
			"name": "[concat(variables('vmname'), copyIndex(), '/install_postgresql')]",
			"apiVersion": "[variables('vmApiVersion')]",
			"location": "[parameters('location')]",
			"dependsOn": [
				"dbvmloop"

			],
			"copy": {
				"name": "scriptCopyLoop",
				"count": "[parameters('numberOfDBVM')]"
			},
			"tags": {
				"displayName": "dbvmscript"
			},
			"properties": {
				"publisher": "Microsoft.Azure.Extensions",
				"type": "CustomScript",
				"typeHandlerVersion": "2.0",
				"autoUpgradeMinorVersion": true,
				"settings": {
					"fileUris": [
						"https://raw.githubusercontent.com/srakesh28/azure-ubuntu-ror-postgress/master/install_postgresql.sh"
					],
					"commandToExecute": "bash install_postgresql.sh"

				}

			}
		},

		{
			"type": "Microsoft.Compute/virtualMachines/extensions",
			"name": "[concat(variables('vmname'), copyIndex(), '/diagext')]",
			"apiVersion": "[variables('vmApiVersion')]",
			"location": "[parameters('location')]",
			"dependsOn": [
				"dbvmloop"
			],
			"copy": {
				"name": "dbvmdiagextensionLoop",
				"count": "[parameters('numberOfDBVM')]"
			},
			"tags": {
				"displayName": "dbvmsdiagext"
			},
			"properties": {
				"publisher": "Microsoft.OSTCExtensions",
				"type": "LinuxDiagnostic",
				"typeHandlerVersion": "2.3",
				"autoUpgradeMinorVersion": true,
				"settings": {
					"perfCfg": [{
						"query": "SELECT UsedMemory,AvailableMemory FROM SCX_MemoryStatisticalInformation",
						"table": "Memory"
					}, {
						"query": "SELECT PercentProcessorTime FROM SCX_ProcessorStatisticalInformation",
						"table": "_Total"
					}]
				},
				"protectedSettings": {
					"storageAccountName": "[variables('dbdiagnosticsStorageAccount')]",
					"storageAccountKey": "[listkeys(variables('dbdiagnosticsStorageAccount'), variables('storageApiVersion')).key1]",
					"storageAccountEndPoint": "https://core.windows.net"
				}
			}
		},


		{
			"apiVersion": "[variables('vmApiVersion')]",
			"type": "Microsoft.Network/networkInterfaces",
			"name": "[concat(variables('vmname'),'nic', copyindex())]",
			"location": "[parameters('location')]",
			"copy": {
				"name": "dbnicLoop",
				"count": "[parameters('numberOfDBVM')]"
			},
			"dependsOn": [
				"[concat('Microsoft.Network/loadBalancers/',variables('loadBalancerName'))]"

			],
			"tags": {
				"displayName": "DBNICs"
			},
			"properties": {
				"ipConfigurations": [{
					"name": "ipconfigdb",
					"properties": {
						"privateIPAllocationMethod": "Static",
						"privateIPAddress": "[variables('addresses')[copyIndex()]]",
						"subnet": {
							"id": "[variables('dbsubnetRef')]"
						},
						"loadBalancerBackendAddressPools": [{
							"id": "[concat(variables('lbID'), '/backendAddressPools/loadBalancerBackEnd')]"
						}]
					}
				}]
			}
		},

		{
			"apiVersion": "[variables('vmApiVersion')]",
			"name": "[variables('loadBalancerName')]",
			"type": "Microsoft.Network/loadBalancers",
			"location": "[resourceGroup().location]",
			"properties": {
				"frontendIPConfigurations": [{
					"properties": {
						"subnet": {
							"id": "[variables('dbsubnetRef')]"
						},
						"privateIPAddress": "[concat(variables('subnetFirst3'), '.100')]",
						"privateIPAllocationMethod": "Static"
					},
					"name": "LoadBalancerFrontend"
				}],
				"backendAddressPools": [{
					"name": "loadBalancerBackEnd"
				}],

				"loadBalancingRules": [{
					"properties": {
						"frontendIPConfiguration": {
							"id": "[concat(resourceId('Microsoft.Network/loadBalancers', variables('loadBalancerName')), '/frontendIpConfigurations/loadBalancerFrontEnd')]"
						},
						"backendAddressPool": {
							"id": "[concat(resourceId('Microsoft.Network/loadBalancers', variables('loadBalancerName')), '/backendAddressPools/loadBalancerBackEnd')]"
						},
						"probe": {
							"id": "[concat(resourceId('Microsoft.Network/loadBalancers', variables('loadBalancerName')), '/probes/ilbdbprobe')]"
						},
						"protocol": "Tcp",
						"frontendPort": 5432,
						"backendPort": 5432,
						"idleTimeoutInMinutes": 15
					},
					"name": "ilbdbrule"
				}],
				"probes": [{
					"properties": {
						"protocol": "Tcp",
						"port": 5432,
						"intervalInSeconds": 15,
						"numberOfProbes": 2
					},
					"name": "ilbdbprobe"
				}]
			}
		}


	],
	"outputs": {
		"LBAddress": {
			"type": "array",
			"value": "[variables('addresses')]"
		}
	}
}