azuredeploy.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "newStorageAccountName": {
      "type": "string",
      "metadata": {
        "description": "Unique DNS Name Prefix for the Storage Account where the Virtual Machine's disks will be placed.  StorageAccounts may contain at most variables('vmsPerStorageAccount'). Storage account name must be between 3 and 24 characters in length and use numbers and lower-case letters only."
      }
    },
    "adminUsername": {
      "type": "string",
      "defaultValue": "openedxuser",
      "metadata": {
        "description": "User name for the Virtual Machine."
      }
    },
    "adminPassword": {
      "type": "securestring",
      "metadata": {
        "description": "Password for the Virtual Machine."
      }
    },
    "dnsNameForPublicIP": {
      "type": "string",
      "defaultValue": "openedx-dns-name",
      "metadata": {
        "description": "Unique DNS Name for the Public IP used to access the Virtual Machine."
      }
    },
    "vmAppSize": {
      "type": "string",
      "defaultValue": "Standard_D2",
      "allowedValues": [
        "Standard_D1",
        "Standard_D2",
        "Standard_D3",
        "Standard_D4",
        "Standard_D11",
        "Standard_D12",
        "Standard_D13",
        "Standard_D14"
      ],
      "metadata": {
        "description": "The VM role size of the edxapp server"
      }
    },
    "numberOfAppVMs" : {
      "type": "int",
      "defaultValue": 1,
      "allowedValues": [
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9
      ],
      "metadata": {
        "description": "Number of application servers behind the load balancer"
      }
    },
    "vmMySqlSize": {
      "type": "string",
      "defaultValue": "Standard_D1",
      "allowedValues": [
        "Standard_D1",
        "Standard_D2",
        "Standard_D3",
        "Standard_D4",
        "Standard_D11",
        "Standard_D12",
        "Standard_D13",
        "Standard_D14"
      ],
      "metadata": {
        "description": "The VM role size of the MySQL server"
      }
    },
    "numberOfMySqlVMs" : {
      "type": "int",
      "defaultValue": 1,
      "allowedValues": [
        1,
        2
      ],
      "metadata": {
        "description": "Number of MySQL servers. Selecting 2 will create master/slave configuration"
      }
    },
    "vmMongoSize": {
      "type": "string",
      "defaultValue": "Standard_D1",
      "allowedValues": [
        "Standard_D1",
        "Standard_D2",
        "Standard_D3",
        "Standard_D4",
        "Standard_D11",
        "Standard_D12",
        "Standard_D13",
        "Standard_D14"
      ],
      "metadata": {
        "description": "The VM role size of the MongoDB server"
      }
    },
    "numberOfMongoVMs" : {
      "type": "int",
      "defaultValue": 1,
      "allowedValues": [
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9
      ],
      "metadata": {
        "description": "Number of MongoDB servers in cluster"
      }
    }
  },
  "variables": {
    "vmAppName": "openedx-scalable-app",
    "vmMySqlName": "openedx-scalable-mysql",
    "vmMongoName": "openedx-scalable-mongo",
    "availabilitySetNodes": "avail-set",
    "osImagePublisher": "Canonical",
    "osImageOffer": "UbuntuServer",
    "osImageSKU" : "12.04.5-LTS",
    "publicIPAddressName": "myPublicIP",
    "publicIpAddressID": "[resourceId('Microsoft.Network/publicIPAddresses',variables('publicIPAddressName'))]",
    "publicIPAddressNameMySql": "myPublicIPMySql",
    "publicIPAddressNameMongo": "myPublicIPMongo",
    "publicIPAddressType": "Dynamic",
    "customScriptLocation": "https://raw.githubusercontent.com/tkeemon/openedx-azure-scalable/master/",
    "wgetCommandPrefix": "[concat('wget --tries 20 --retry-connrefused --waitretry=15 -qO- ', variables('customScriptLocation'), 'configure-openedx.sh | nohup /bin/bash -s ')]",
    "wgetCommandPostfix":  " > /var/log/azure/openedx-scalable-install.log 2>&1 &'",
    "commandPrefix": "/bin/bash -c '",
    "OSDiskName": "osdisk",
    "nicName": "vmNic",
    "virtualNetworkName": "VNET",
    "vnetID": "[resourceId('Microsoft.Network/virtualNetworks',variables('virtualNetworkName'))]",
    "subnetRef": "[concat(variables('vnetID'),'/subnets/',variables('subnetName'))]",
    "subnetName": "Subnet",
    "addressPrefix": "10.0.0.0/16",
    "subnetPrefix": "10.0.0.0/24",
    "nsgName": "node-nsg",
    "nsgID": "[resourceId('Microsoft.Network/networkSecurityGroups',variables('nsgName'))]",
    "storageAccountType": "Standard_LRS",
    "vhdBlobContainer": "vhds",
    "lbName": "openedxApplicationLB",
    "lbID": "[resourceId('Microsoft.Network/loadBalancers',variables('lbName'))]",
    "lbPoolID": "[concat(variables('lbID'),'/backendAddressPools/LoadBalancerBackend')]",
    "lbProbeLMSID": "[concat(variables('lbID'),'/probes/tcpProbeLMS')]",
    "lbProbeCMSID": "[concat(variables('lbID'),'/probes/tcpProbeCMS')]",
    "frontEndIPConfigID": "[concat(variables('lbID'),'/frontendIPConfigurations/loadBalancerFrontend')]"
  },
  "resources": [
    {
      "type": "Microsoft.Storage/storageAccounts",
      "name": "[parameters('newStorageAccountName')]",
      "apiVersion": "2015-05-01-preview",
      "location": "[resourceGroup().location]",
      "properties": {
        "accountType": "[variables('storageAccountType')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Compute/availabilitySets",
      "name": "[variables('availabilitySetNodes')]",
      "location": "[resourceGroup().location]",
      "properties": {}
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/publicIPAddresses",
      "name": "[variables('publicIPAddressName')]",
      "location": "[resourceGroup().location]",
      "properties": {
        "publicIPAllocationMethod": "[variables('publicIPAddressType')]",
        "dnsSettings": {
          "domainNameLabel": "[parameters('dnsNameForPublicIP')]"
        }
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/publicIPAddresses",
      "name": "[variables('publicIPAddressNameMySql')]",
      "location": "[resourceGroup().location]",
      "properties": {
        "publicIPAllocationMethod": "[variables('publicIPAddressType')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/publicIPAddresses",
      "name": "[variables('publicIPAddressNameMongo')]",
      "location": "[resourceGroup().location]",
      "properties": {
        "publicIPAllocationMethod": "[variables('publicIPAddressType')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/virtualNetworks",
      "name": "[variables('virtualNetworkName')]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[variables('nsgID')]"
      ],
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[variables('addressPrefix')]"
          ]
        },
        "subnets": [
          {
            "name": "[variables('subnetName')]",
            "properties": {
              "addressPrefix": "[variables('subnetPrefix')]",
              "networkSecurityGroup": {
                "id": "[variables('nsgID')]"
              }
            }
          }
        ]
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/networkSecurityGroups",
      "name": "[variables('nsgName')]",
      "location": "[resourceGroup().location]",
      "properties": {
        "securityRules": [
          {
            "name": "ssh",
            "properties": {
              "description": "SSH",
              "protocol": "Tcp",
              "sourcePortRange": "*",
              "destinationPortRange": "22",
              "sourceAddressPrefix": "*",
              "destinationAddressPrefix": "*",
              "access": "Allow",
              "priority": 200,
              "direction": "Inbound"
            }
          },
          {
            "name": "LMS",
            "properties": {
              "description": "Allow connection to Open edX LMS",
              "protocol": "Tcp",
              "sourcePortRange": "*",
              "destinationPortRange": "80",
              "sourceAddressPrefix": "*",
              "destinationAddressPrefix": "*",
              "access": "Allow",
              "priority": 201,
              "direction": "Inbound"
            }
          },
          {
            "name": "CMS",
            "properties": {
              "description": "Allow connection to Open edX CMS",
              "protocol": "Tcp",
              "sourcePortRange": "*",
              "destinationPortRange": "18010",
              "sourceAddressPrefix": "*",
              "destinationAddressPrefix": "*",
              "access": "Allow",
              "priority": 203,
              "direction": "Inbound"
            }
          }
        ]
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/networkInterfaces",
      "name": "[concat(variables('vmAppName'), '-nic',copyIndex())]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'))]",
        "[concat('Microsoft.Network/loadBalancers/',variables('lbName'))]"
      ],
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipConfigNode",
            "properties": {
              "privateIPAllocationMethod": "Static",
              "privateIPAddress": "[concat('10.0.0.1',copyIndex())]",
              "subnet": {
                "id": "[variables('subnetRef')]"
              },
              "loadBalancerBackendAddressPools": [
                {
                  "id": "[concat(variables('lbID'),'/backendAddressPools/LoadBalancerBackend')]"
                }
              ],
              "loadBalancerInboundNatRules": [
                {
                  "id": "[concat(variables('lbID'),'/inboundNatRules/SSH-VM', copyIndex())]"
                }
              ]
            }
          }
        ]
      },
      "copy": {
        "name": "appNetworkInterfacesCopy",
        "count": "[parameters('numberOfAppVMs')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/networkInterfaces",
      "name": "[concat(variables('vmMySqlName'), '-nic', copyIndex())]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'))]"
      ],
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipConfigNode",
            "properties": {
              "privateIPAllocationMethod": "Static",
              "privateIPAddress": "[concat('10.0.0.2', copyIndex())]",
              "subnet": {
                "id": "[variables('subnetRef')]"
              }
            }
          }
        ]
      },
      "copy": {
        "name": "mySqlNetworkInterfacesCopy",
        "count": "[parameters('numberOfMySqlVMs')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Network/networkInterfaces",
      "name": "[concat(variables('vmMongoName'), '-nic', copyIndex())]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'))]"
      ],
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipConfigNode",
            "properties": {
              "privateIPAllocationMethod": "Static",
              "privateIPAddress": "[concat('10.0.0.3', copyIndex())]",
              "subnet": {
                "id": "[variables('subnetRef')]"
              }
            }
          }
        ]
      },
      "copy": {
        "name": "mongoNetworkInterfacesCopy",
        "count": "[parameters('numberOfMongoVMs')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "name": "[variables('lbName')]",
      "type": "Microsoft.Network/loadBalancers",
      "location":"[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Network/publicIPAddresses/',variables('publicIPAddressName'))]"
      ],
      "properties": {
        "frontendIPConfigurations": [
          {
            "name": "LoadBalancerFrontend",
            "properties": {
              "publicIPAddress": {
                "id": "[variables('publicIPAddressID')]"
              }
            }
          }
        ],
        "backendAddressPools": [
          {
            "name": "LoadBalancerBackend"
          }
        ],
        "inboundNatRules": [
          {
            "name":"SSH-VM0",
            "properties": {
              "frontendIPConfiguration": {
                "id":"[variables('frontEndIPConfigID')]"
              },
              "protocol": "tcp",
              "frontendPort": 2222,
              "backendPort": 22,
              "enableFloatingIP": false
            }
          },
          {
            "name":"SSH-VM1",
            "properties": {
              "frontendIPConfiguration": {
                "id":"[variables('frontEndIPConfigID')]"
              },
              "protocol": "tcp",
              "frontendPort": 2223,
              "backendPort": 22,
              "enableFloatingIP": false
            }
          }
        ],
        "loadBalancingRules": [
          {
            "name": "LBRuleLMS",
            "properties": {
              "frontendIPConfiguration": {
                "id": "[variables('frontEndIPConfigID')]"
              },
              "backendAddressPool": {
                "id": "[variables('lbPoolID')]"
              },
              "protocol": "tcp",
              "frontendPort": 80,
              "backendPort": 80,
              "enableFloatingIP": false,
              "idleTimeoutInMinutes": 5,
              "loadDistribution": "SourceIP",
              "probe": {
                "id": "[variables('lbProbeLMSID')]"
              }
            }
          },
          {
            "name": "LBRuleCMS",
            "properties": {
              "frontendIPConfiguration": {
                "id": "[variables('frontEndIPConfigID')]"
              },
              "backendAddressPool": {
                "id": "[variables('lbPoolID')]"
              },
              "protocol": "tcp",
              "frontendPort": 18010,
              "backendPort": 18010,
              "enableFloatingIP": false,
              "idleTimeoutInMinutes": 5,
              "loadDistribution": "SourceIP",
              "probe": {
                "id": "[variables('lbProbeCMSID')]"
              }
            }
          },
          {
            "name": "LBRuleSSL",
            "properties": {
              "frontendIPConfiguration": {
                "id": "[variables('frontEndIPConfigID')]"
              },
              "backendAddressPool": {
                "id": "[variables('lbPoolID')]"
              },
              "protocol": "tcp",
              "frontendPort": 443,
              "backendPort": 443,
              "enableFloatingIP": false,
              "idleTimeoutInMinutes": 5,
              "loadDistribution": "SourceIP"
            }
          }
        ],
        "probes": [
          {
            "name": "tcpProbeLMS",
            "properties": {
              "protocol": "tcp",
              "port": 80,
              "intervalInSeconds": "5",
              "numberOfProbes": "2"
            }
          },
          {
            "name": "tcpProbeCMS",
            "properties": {
              "protocol": "tcp",
              "port": 18010,
              "intervalInSeconds": "5",
              "numberOfProbes": "2"
            }
          }
        ]
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Compute/virtualMachines",
      "name": "[concat(variables('vmAppName'),copyIndex())]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Storage/storageAccounts/', parameters('newStorageAccountName'))]",
        "[concat('Microsoft.Network/networkInterfaces/', variables('vmAppName'), '-nic', copyIndex())]",
        "[concat('Microsoft.Compute/availabilitySets/', variables('availabilitySetNodes'))]"
      ],
      "properties": {
        "availabilitySet": {
          "id": "[resourceId('Microsoft.Compute/availabilitySets',variables('availabilitySetNodes'))]"
        },
        "hardwareProfile": {
          "vmSize": "[parameters('vmAppSize')]"
        },
        "osProfile": {
          "computername": "[concat(variables('vmAppName'),copyIndex())]",
          "adminUsername": "[parameters('adminUsername')]",
          "adminPassword": "[parameters('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": {
            "publisher": "[variables('osImagePublisher')]",
            "offer": "[variables('osImageOffer')]",
            "sku": "[variables('osImageSKU')]",
            "version": "latest"
          },
          "osDisk": {
            "name": "[concat(variables('vmAppName'),copyIndex(),'-osdisk')]",
            "vhd": {
              "uri": "[concat('http://', parameters('newStorageAccountName'), '.blob.core.windows.net/', variables('vhdBlobContainer'), '/', variables('vmAppName'), copyIndex(), '-disk.vhd')]"
            },
            "caching": "ReadWrite",
            "createOption": "FromImage"
          }
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces',concat(variables('vmAppName'), '-nic', copyIndex()))]"
            }
          ]
        }
      },
      "copy": {
        "name": "appVMCopy",
        "count": "[parameters('numberOfAppVMs')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Compute/virtualMachines",
      "name": "[concat(variables('vmMySqlName'), copyIndex())]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Storage/storageAccounts/', parameters('newStorageAccountName'))]",
        "[concat('Microsoft.Network/networkInterfaces/', variables('vmMySqlName'), '-nic', copyIndex())]",
        "[concat('Microsoft.Compute/availabilitySets/', variables('availabilitySetNodes'))]"
      ],
      "properties": {
        "availabilitySet": {
          "id": "[resourceId('Microsoft.Compute/availabilitySets',variables('availabilitySetNodes'))]"
        },
        "hardwareProfile": {
          "vmSize": "[parameters('vmMySqlSize')]"
        },
        "osProfile": {
          "computername": "[concat(variables('vmMySqlName'), copyIndex())]",
          "adminUsername": "[parameters('adminUsername')]",
          "adminPassword": "[parameters('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": {
            "publisher": "[variables('osImagePublisher')]",
            "offer": "[variables('osImageOffer')]",
            "sku": "[variables('osImageSKU')]",
            "version": "latest"
          },
          "osDisk": {
            "name": "[concat(variables('vmMySqlName'), copyIndex(),'-osdisk')]",
            "vhd": {
              "uri": "[concat('http://', parameters('newStorageAccountName'), '.blob.core.windows.net/', variables('vhdBlobContainer'), '/', variables('vmMySqlName'), copyIndex(), '-disk.vhd')]"
            },
            "caching": "ReadWrite",
            "createOption": "FromImage"
          }
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces',concat(variables('vmMySqlName'), '-nic', copyIndex()))]"
            }
          ]
        }
      },
      "copy": {
        "name": "mySqlVmCopy",
        "count": "[parameters('numberOfMySqlVMs')]"
      }
    },
    {
      "apiVersion": "2015-06-15",
      "type": "Microsoft.Compute/virtualMachines",
      "name": "[concat(variables('vmMongoName'), copyIndex())]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Storage/storageAccounts/', parameters('newStorageAccountName'))]",
        "[concat('Microsoft.Network/networkInterfaces/', variables('vmMongoName'), '-nic', copyIndex())]",
        "[concat('Microsoft.Compute/availabilitySets/', variables('availabilitySetNodes'))]"
      ],
      "properties": {
        "availabilitySet": {
          "id": "[resourceId('Microsoft.Compute/availabilitySets',variables('availabilitySetNodes'))]"
        },
        "hardwareProfile": {
          "vmSize": "[parameters('vmMongoSize')]"
        },
        "osProfile": {
          "computername": "[concat(variables('vmMongoName'), copyIndex())]",
          "adminUsername": "[parameters('adminUsername')]",
          "adminPassword": "[parameters('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": {
            "publisher": "[variables('osImagePublisher')]",
            "offer": "[variables('osImageOffer')]",
            "sku": "[variables('osImageSKU')]",
            "version": "latest"
          },
          "osDisk": {
            "name": "[concat(variables('vmMongoName'), copyIndex(), '-osdisk')]",
            "vhd": {
              "uri": "[concat('http://', parameters('newStorageAccountName'), '.blob.core.windows.net/', variables('vhdBlobContainer'), '/', variables('vmMongoName'), copyIndex(), '-disk.vhd')]"
            },
            "caching": "ReadWrite",
            "createOption": "FromImage"
          }
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces',concat(variables('vmMongoName'), '-nic', copyIndex()))]"
            }
          ]
        }
      },
      "copy": {
        "name": "appVMCopy",
        "count": "[parameters('numberOfMongoVMs')]"
      }
    },    
    {
      "type": "Microsoft.Compute/virtualMachines/extensions",
      "name": "[concat(variables('vmAppName'), '0', '/configuremaster')]",
      "apiVersion": "2015-06-15",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[concat('Microsoft.Compute/virtualMachines/', variables('vmAppName'), '0')]"
      ],
      "properties": {
        "publisher": "Microsoft.OSTCExtensions",
        "type": "CustomScriptForLinux",
        "typeHandlerVersion": "1.3",
        "settings": {
          "commandToExecute": "[concat(variables('commandPrefix'), variables('wgetCommandPrefix'), parameters('adminUsername'), ' ', parameters('adminPassword'), ' ', parameters('numberOfAppVMs'), ' ', parameters('numberOfMySqlVMs'), ' ', parameters('numberOfMongoVMs'), variables('wgetCommandPostfix'))]"
        }
      }
    }
  ]
}