/
virtualnetwork.go
219 lines (184 loc) · 7.19 KB
/
virtualnetwork.go
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package azure
import (
"context"
"net"
"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2019-09-01/network"
"github.com/gruntwork-io/terratest/modules/testing"
"github.com/stretchr/testify/require"
)
// VirtualNetworkExists indicates whether the specified Azure Virtual Network exists.
// This function would fail the test if there is an error.
func VirtualNetworkExists(t testing.TestingT, vnetName string, resGroupName string, subscriptionID string) bool {
exists, err := VirtualNetworkExistsE(vnetName, resGroupName, subscriptionID)
require.NoError(t, err)
return exists
}
// VirtualNetworkExistsE indicates whether the specified Azure Virtual Network exists.
func VirtualNetworkExistsE(vnetName string, resGroupName string, subscriptionID string) (bool, error) {
// Get the Virtual Network
_, err := GetVirtualNetworkE(vnetName, resGroupName, subscriptionID)
if err != nil {
if ResourceNotFoundErrorExists(err) {
return false, nil
}
return false, err
}
return true, nil
}
// SubnetExists indicates whether the specified Azure Virtual Network Subnet exists.
// This function would fail the test if there is an error.
func SubnetExists(t testing.TestingT, subnetName string, vnetName string, resGroupName string, subscriptionID string) bool {
exists, err := SubnetExistsE(subnetName, vnetName, resGroupName, subscriptionID)
require.NoError(t, err)
return exists
}
// SubnetExistsE indicates whether the specified Azure Virtual Network Subnet exists.
func SubnetExistsE(subnetName string, vnetName string, resGroupName string, subscriptionID string) (bool, error) {
// Get the Subnet
_, err := GetSubnetE(subnetName, vnetName, resGroupName, subscriptionID)
if err != nil {
if ResourceNotFoundErrorExists(err) {
return false, nil
}
return false, err
}
return true, nil
}
// CheckSubnetContainsIP checks if the Private IP is contined in the Subnet Address Range.
// This function would fail the test if there is an error.
func CheckSubnetContainsIP(t testing.TestingT, IP string, subnetName string, vnetName string, resGroupName string, subscriptionID string) bool {
inRange, err := CheckSubnetContainsIPE(IP, subnetName, vnetName, resGroupName, subscriptionID)
require.NoError(t, err)
return inRange
}
// CheckSubnetContainsIPE checks if the Private IP is contined in the Subnet Address Range.
func CheckSubnetContainsIPE(ipAddress string, subnetName string, vnetName string, resGroupName string, subscriptionID string) (bool, error) {
// Convert the IP to a net IP address
ip := net.ParseIP(ipAddress)
if ip == nil {
return false, NewFailedToParseError("IP Address", ipAddress)
}
// Get Subnet
subnet, err := GetSubnetE(subnetName, vnetName, resGroupName, subscriptionID)
if err != nil {
return false, err
}
// Get Subnet IP range, this required field is never nil therefore no exception handling required.
subnetPrefix := *subnet.AddressPrefix
// Check if the IP is in the Subnet Range using the net package
_, ipNet, err := net.ParseCIDR(subnetPrefix)
if err != nil {
return false, NewFailedToParseError("Subnet Range", subnetPrefix)
}
return ipNet.Contains(ip), nil
}
// GetVirtualNetworkSubnets gets all Subnet names and their respective address prefixes in the
// specified Virtual Network. This function would fail the test if there is an error.
func GetVirtualNetworkSubnets(t testing.TestingT, vnetName string, resGroupName string, subscriptionID string) map[string]string {
subnets, err := GetVirtualNetworkSubnetsE(vnetName, resGroupName, subscriptionID)
require.NoError(t, err)
return subnets
}
// GetVirtualNetworkSubnetsE gets all Subnet names and their respective address prefixes in the specified Virtual Network.
// Returning both the name and prefix together helps reduce calls for these frequently accessed properties.
func GetVirtualNetworkSubnetsE(vnetName string, resGroupName string, subscriptionID string) (map[string]string, error) {
subNetDetails := map[string]string{}
client, err := GetSubnetClientE(subscriptionID)
if err != nil {
return subNetDetails, err
}
subnets, err := client.List(context.Background(), resGroupName, vnetName)
if err != nil {
return subNetDetails, err
}
for _, v := range subnets.Values() {
subnetName := v.Name
subNetAddressPrefix := v.AddressPrefix
subNetDetails[string(*subnetName)] = string(*subNetAddressPrefix)
}
return subNetDetails, nil
}
// GetVirtualNetworkDNSServerIPs gets a list of all Virtual Network DNS server IPs.
// This function would fail the test if there is an error.
func GetVirtualNetworkDNSServerIPs(t testing.TestingT, vnetName string, resGroupName string, subscriptionID string) []string {
vnetDNSIPs, err := GetVirtualNetworkDNSServerIPsE(vnetName, resGroupName, subscriptionID)
require.NoError(t, err)
return vnetDNSIPs
}
// GetVirtualNetworkDNSServerIPsE gets a list of all Virtual Network DNS server IPs with Error.
func GetVirtualNetworkDNSServerIPsE(vnetName string, resGroupName string, subscriptionID string) ([]string, error) {
// Get Virtual Network
vnet, err := GetVirtualNetworkE(vnetName, resGroupName, subscriptionID)
if err != nil {
return nil, err
}
return *vnet.DhcpOptions.DNSServers, nil
}
// GetSubnetE gets a subnet.
func GetSubnetE(subnetName string, vnetName string, resGroupName string, subscriptionID string) (*network.Subnet, error) {
// Validate Azure Resource Group
resGroupName, err := getTargetAzureResourceGroupName(resGroupName)
if err != nil {
return nil, err
}
// Get the client reference
client, err := GetSubnetClientE(subscriptionID)
if err != nil {
return nil, err
}
// Get the Subnet
subnet, err := client.Get(context.Background(), resGroupName, vnetName, subnetName, "")
if err != nil {
return nil, err
}
return &subnet, nil
}
// GetSubnetClientE creates a subnet client.
func GetSubnetClientE(subscriptionID string) (*network.SubnetsClient, error) {
// Create a new Subnet client from client factory
client, err := CreateNewSubnetClientE(subscriptionID)
if err != nil {
return nil, err
}
// Create an authorizer
authorizer, err := NewAuthorizer()
if err != nil {
return nil, err
}
client.Authorizer = *authorizer
return client, nil
}
// GetVirtualNetworkE gets Virtual Network in the specified Azure Resource Group.
func GetVirtualNetworkE(vnetName string, resGroupName string, subscriptionID string) (*network.VirtualNetwork, error) {
// Validate Azure Resource Group
resGroupName, err := getTargetAzureResourceGroupName(resGroupName)
if err != nil {
return nil, err
}
// Get the client reference
client, err := GetVirtualNetworksClientE(subscriptionID)
if err != nil {
return nil, err
}
// Get the Virtual Network
vnet, err := client.Get(context.Background(), resGroupName, vnetName, "")
if err != nil {
return nil, err
}
return &vnet, nil
}
// GetVirtualNetworksClientE creates a virtual network client in the specified Azure Subscription.
func GetVirtualNetworksClientE(subscriptionID string) (*network.VirtualNetworksClient, error) {
// Create a new Virtual Network client from client factory
client, err := CreateNewVirtualNetworkClientE(subscriptionID)
if err != nil {
return nil, err
}
// Create an authorizer
authorizer, err := NewAuthorizer()
if err != nil {
return nil, err
}
client.Authorizer = *authorizer
return client, nil
}