backup_configuration for mssql database type

[odise]

This adds backup configuration settings to MSSQL module. Reference #128 .

[morgante]

Please get tests passing too:

       Error: "settings.0.backup_configuration.0.enabled": one of `settings.0.backup_configuration.0.binary_log_enabled,settings.0.backup_configuration.0.enabled,settings.0.backup_configuration.0.location,settings.0.backup_configuration.0.point_in_time_recovery_enabled,settings.0.backup_configuration.0.start_time` must be specified
       
         on ../../../modules/mssql/main.tf line 40, in resource "google_sql_database_instance" "default":
         40: resource "google_sql_database_instance" "default" {

[morgante]

Suggested change

	for_each = [var.backup_configuration]
	for_each = var.backup_configuration.enabled ? [var.backup_configuration] : []

[odise]

@morgante I pushed the changes that you requested and the test mssql-ha-local locally runs fine. Could you please tell me why it is failing here?

-----> Verifying <mssql-ha-local>...
$$$$$$ Running command `terraform workspace select kitchen-terraform-mssql-ha-local` in directory /workspace/test/fixtures/mssql-ha
$$$$$$ Running command `terraform output -json` in directory /workspace/test/fixtures/mssql-ha
system: Verifying

Profile: Google Cloud SQL (cloud-sql)
Version: 0.1.0
Target:  gcp://terraform-serviceaccount@xxx.iam.gserviceaccount.com

  Database tf-mssql-ha-0ff8be4032
     ✔  should include {:activation_policy => "ALWAYS", :availability_type => "REGIONAL", :data_disk_size_gb => 10, :data_disk_type => "PD_SSD", :kind => "sql#settings", :pricing_plan => "PER_USE", :replication_type => "SYNCHRONOUS", :storage_auto_resize => true, :storage_auto_resize_limit => 0, :tier => "db-custom-2-13312"}
     ✔  should include {:authorized_networks => [{:kind => "sql#aclEntry", :name => "xxx-cidr", :value => "192.10.10.10/32"}], :ipv4_enabled => true, :require_ssl => true}
     ✔  should include {:kind => "sql#locationPreference", :zone => "us-central1-a"}
     ✔  should include {:kind => "sql#maintenanceWindow", :day => 7, :hour => 12, :update_track => "stable"}
     ✔  should include {:foo => "bar"}
     ✔  backend_type should eq "SECOND_GEN"
     ✔  database_version should eq "SQLSERVER_2017_STANDARD"
     ✔  state should eq "RUNNABLE"
     ✔  region should eq "us-central1"
     ✔  gce_zone should eq "us-central1-a"
  google_sql_users with user_name == /\Atftest/
     ✔  should exist
     ✔  count should equal 3

Profile: Google Cloud Platform Resource Pack (inspec-gcp)
Version: 0.21.4
Target:  gcp://terraform-serviceaccount@xxx.iam.gserviceaccount.com

     No tests executed.

Test Summary: 12 successful, 0 failures, 0 skipped
       Finished verifying <mssql-ha-local> (0m55.60s).
-----> Kitchen is finished. (0m59.00s)

[morgante]

Error looks unrelated.