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Fixing deadlock in subnet resources #3673

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Aug 23, 2019
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9 changes: 0 additions & 9 deletions azurerm/networking.go
Original file line number Diff line number Diff line change
Expand Up @@ -43,15 +43,6 @@ func parseNetworkSecurityGroupName(networkSecurityGroupId string) (string, error
return id.Path["networkSecurityGroups"], nil
}

func parseRouteTableName(routeTableId string) (string, error) {
id, err := azure.ParseAzureResourceID(routeTableId)
if err != nil {
return "", fmt.Errorf("[ERROR] Unable to parse Route Table ID '%s': %+v", routeTableId, err)
}

return id.Path["routeTables"], nil
}

func retrieveErcByResourceId(resourceId string, meta interface{}) (erc *network.ExpressRouteCircuit, resourceGroup string, e error) {
ercClient := meta.(*ArmClient).network.ExpressRouteCircuitsClient
ctx := meta.(*ArmClient).StopContext
Expand Down
45 changes: 2 additions & 43 deletions azurerm/resource_arm_subnet.go
Original file line number Diff line number Diff line change
Expand Up @@ -150,8 +150,8 @@ func resourceArmSubnetCreateUpdate(d *schema.ResourceData, meta interface{}) err

addressPrefix := d.Get("address_prefix").(string)

locks.ByName(vnetName, virtualNetworkResourceName)
defer locks.UnlockByName(vnetName, virtualNetworkResourceName)
locks.ByName(name, subnetResourceName)
defer locks.UnlockByName(name, subnetResourceName)

properties := network.SubnetPropertiesFormat{
AddressPrefix: &addressPrefix,
Expand All @@ -162,14 +162,6 @@ func resourceArmSubnetCreateUpdate(d *schema.ResourceData, meta interface{}) err
properties.NetworkSecurityGroup = &network.SecurityGroup{
ID: &nsgId,
}

networkSecurityGroupName, err := parseNetworkSecurityGroupName(nsgId)
if err != nil {
return err
}

locks.ByName(networkSecurityGroupName, networkSecurityGroupResourceName)
defer locks.UnlockByName(networkSecurityGroupName, networkSecurityGroupResourceName)
} else {
properties.NetworkSecurityGroup = nil
}
Expand All @@ -179,14 +171,6 @@ func resourceArmSubnetCreateUpdate(d *schema.ResourceData, meta interface{}) err
properties.RouteTable = &network.RouteTable{
ID: &rtId,
}

routeTableName, err := parseRouteTableName(rtId)
if err != nil {
return err
}

locks.ByName(routeTableName, routeTableResourceName)
defer locks.UnlockByName(routeTableName, routeTableResourceName)
} else {
properties.RouteTable = nil
}
Expand Down Expand Up @@ -296,31 +280,6 @@ func resourceArmSubnetDelete(d *schema.ResourceData, meta interface{}) error {
name := id.Path["subnets"]
vnetName := id.Path["virtualNetworks"]

if v, ok := d.GetOk("network_security_group_id"); ok {
networkSecurityGroupId := v.(string)
networkSecurityGroupName, err2 := parseNetworkSecurityGroupName(networkSecurityGroupId)
if err2 != nil {
return err2
}

locks.ByName(networkSecurityGroupName, networkSecurityGroupResourceName)
defer locks.UnlockByName(networkSecurityGroupName, networkSecurityGroupResourceName)
}

if v, ok := d.GetOk("route_table_id"); ok {
rtId := v.(string)
routeTableName, err2 := parseRouteTableName(rtId)
if err2 != nil {
return err2
}

locks.ByName(routeTableName, routeTableResourceName)
defer locks.UnlockByName(routeTableName, routeTableResourceName)
}

locks.ByName(vnetName, virtualNetworkResourceName)
defer locks.UnlockByName(vnetName, virtualNetworkResourceName)

locks.ByName(name, subnetResourceName)
defer locks.UnlockByName(name, subnetResourceName)

Expand Down
24 changes: 2 additions & 22 deletions azurerm/resource_arm_subnet_network_security_group_association.go
Original file line number Diff line number Diff line change
Expand Up @@ -53,20 +53,12 @@ func resourceArmSubnetNetworkSecurityGroupAssociationCreate(d *schema.ResourceDa
return err
}

networkSecurityGroupName, err := parseNetworkSecurityGroupName(networkSecurityGroupId)
if err != nil {
return err
}

locks.ByName(networkSecurityGroupName, networkSecurityGroupResourceName)
defer locks.UnlockByName(networkSecurityGroupName, networkSecurityGroupResourceName)

subnetName := parsedSubnetId.Path["subnets"]
virtualNetworkName := parsedSubnetId.Path["virtualNetworks"]
resourceGroup := parsedSubnetId.ResourceGroup

locks.ByName(virtualNetworkName, virtualNetworkResourceName)
defer locks.UnlockByName(virtualNetworkName, virtualNetworkResourceName)
locks.ByName(subnetName, subnetResourceName)
defer locks.UnlockByName(subnetName, subnetResourceName)

subnet, err := client.Get(ctx, resourceGroup, virtualNetworkName, subnetName, "")
if err != nil {
Expand Down Expand Up @@ -185,18 +177,6 @@ func resourceArmSubnetNetworkSecurityGroupAssociationDelete(d *schema.ResourceDa
return nil
}

// once we have the network security group id to lock on, lock on that
networkSecurityGroupName, err := parseNetworkSecurityGroupName(*props.NetworkSecurityGroup.ID)
if err != nil {
return err
}

locks.ByName(networkSecurityGroupName, networkSecurityGroupResourceName)
defer locks.UnlockByName(networkSecurityGroupName, networkSecurityGroupResourceName)

locks.ByName(virtualNetworkName, virtualNetworkResourceName)
defer locks.UnlockByName(virtualNetworkName, virtualNetworkResourceName)

locks.ByName(subnetName, subnetResourceName)
defer locks.UnlockByName(subnetName, subnetResourceName)

Expand Down
28 changes: 4 additions & 24 deletions azurerm/resource_arm_subnet_route_table_association.go
Original file line number Diff line number Diff line change
Expand Up @@ -53,20 +53,12 @@ func resourceArmSubnetRouteTableAssociationCreate(d *schema.ResourceData, meta i
return err
}

routeTableName, err := parseRouteTableName(routeTableId)
if err != nil {
return err
}

locks.ByName(routeTableName, routeTableResourceName)
defer locks.UnlockByName(routeTableName, routeTableResourceName)

subnetName := parsedSubnetId.Path["subnets"]
virtualNetworkName := parsedSubnetId.Path["virtualNetworks"]
resourceGroup := parsedSubnetId.ResourceGroup

locks.ByName(virtualNetworkName, virtualNetworkResourceName)
defer locks.UnlockByName(virtualNetworkName, virtualNetworkResourceName)
locks.ByName(subnetName, subnetResourceName)
defer locks.UnlockByName(subnetName, subnetResourceName)

subnet, err := client.Get(ctx, resourceGroup, virtualNetworkName, subnetName, "")
if err != nil {
Expand Down Expand Up @@ -185,20 +177,8 @@ func resourceArmSubnetRouteTableAssociationDelete(d *schema.ResourceData, meta i
return nil
}

// once we have the route table id to lock on, lock on that
routeTableName, err := parseRouteTableName(*props.RouteTable.ID)
if err != nil {
return err
}

locks.ByName(routeTableName, routeTableResourceName)
defer locks.UnlockByName(routeTableName, routeTableResourceName)

locks.ByName(virtualNetworkName, virtualNetworkResourceName)
defer locks.UnlockByName(virtualNetworkName, virtualNetworkResourceName)

locks.ByName(subnetName, subnetResourceName)
defer locks.UnlockByName(subnetName, subnetResourceName)
azureRMLockByName(subnetName, subnetResourceName)
defer azureRMUnlockByName(subnetName, subnetResourceName)

// then re-retrieve it to ensure we've got the latest state
read, err = client.Get(ctx, resourceGroup, virtualNetworkName, subnetName, "")
Expand Down