Autoload only .auto.tfvars files

command/apply.go

@@ -296,8 +296,8 @@ Options:
                          flag can be set multiple times.
 
   -var-file=foo          Set variables in the Terraform configuration from
-                         a file. If "terraform.tfvars" is present, it will be
-                         automatically loaded if this flag is not specified.
+                         a file. If "terraform.tfvars" or any ".auto.tfvars"
+                         files are present, they will be automatically loaded.
 
 
 `
@@ -345,8 +345,8 @@ Options:
                          flag can be set multiple times.
 
   -var-file=foo          Set variables in the Terraform configuration from
-                         a file. If "terraform.tfvars" is present, it will be
-                         automatically loaded if this flag is not specified.
+                         a file. If "terraform.tfvars" or any ".auto.tfvars"
+                         files are present, they will be automatically loaded.
 
 
 `

command/console.go

@@ -146,8 +146,8 @@ Options:
                          flag can be set multiple times.
 
   -var-file=foo          Set variables in the Terraform configuration from
-                         a file. If "terraform.tfvars" is present, it will be
-                         automatically loaded if this flag is not specified.
+                         a file. If "terraform.tfvars" or any ".auto.tfvars"
+                         files are present, they will be automatically loaded.
 
 
 `

command/import.go

@@ -243,8 +243,8 @@ Options:
                       with the "-config" flag.
 
   -var-file=foo       Set variables in the Terraform configuration from
-                      a file. If "terraform.tfvars" is present, it will be
-                      automatically loaded if this flag is not specified.
+                      a file. If "terraform.tfvars" or any ".auto.tfvars"
+                      files are present, they will be automatically loaded.
 
 
 `

command/meta.go

@@ -400,8 +400,19 @@ func (m *Meta) process(args []string, vars bool) ([]string, error) {
 			return nil, err
 		}
 
-		err = nil
 		var preArgs []string
+
+		if _, err = os.Stat(DefaultVarsFilename); err == nil {
+			m.autoKey = "var-file-default"
+			preArgs = append(preArgs, "-"+m.autoKey, DefaultVarsFilename)
+		}
+
+		if _, err = os.Stat(DefaultVarsFilename + ".json"); err == nil {
+			m.autoKey = "var-file-default"
+			preArgs = append(preArgs, "-"+m.autoKey, DefaultVarsFilename+".json")
+		}
+
+		err = nil
 		for err != io.EOF {
 			var fis []os.FileInfo
 			fis, err = f.Readdir(128)
@@ -412,7 +423,7 @@ func (m *Meta) process(args []string, vars bool) ([]string, error) {
 			for _, fi := range fis {
 				name := fi.Name()
 				// Ignore directories, non-var-files, and ignored files
-				if fi.IsDir() || !isVarFile(name) || config.IsIgnoredFile(name) {
+				if fi.IsDir() || !isAutoVarFile(name) || config.IsIgnoredFile(name) {
 					continue
 				}
 
@@ -570,8 +581,8 @@ func (m *Meta) SetWorkspace(name string) error {
 	return nil
 }
 
-// isVarFile determines if the file ends with .tfvars or .tfvars.json
-func isVarFile(path string) bool {
-	return strings.HasSuffix(path, ".tfvars") ||
-		strings.HasSuffix(path, ".tfvars.json")
+// isAutoVarFile determines if the file ends with .auto.tfvars or .auto.tfvars.json
+func isAutoVarFile(path string) bool {
+	return strings.HasSuffix(path, ".auto.tfvars") ||
+		strings.HasSuffix(path, ".auto.tfvars.json")
 }

command/meta_test.go

@@ -339,17 +339,25 @@ func TestMeta_process(t *testing.T) {
 	defer os.Chdir(cwd)
 
 	// Create two vars files
-	file1 := "file1.tfvars"
+	defaultVarsfile := "terraform.tfvars"
 	err = ioutil.WriteFile(
-		filepath.Join(d, file1),
+		filepath.Join(d, defaultVarsfile),
 		[]byte(""),
 		0644)
 	if err != nil {
 		t.Fatalf("err: %s", err)
 	}
-	file2 := "file2.tfvars"
+	fileFirstAlphabetical := "a-file.auto.tfvars"
 	err = ioutil.WriteFile(
-		filepath.Join(d, file2),
+		filepath.Join(d, fileFirstAlphabetical),
+		[]byte(""),
+		0644)
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+	fileLastAlphabetical := "z-file.auto.tfvars"
+	err = ioutil.WriteFile(
+		filepath.Join(d, fileLastAlphabetical),
 		[]byte(""),
 		0644)
 	if err != nil {
@@ -366,13 +374,19 @@ func TestMeta_process(t *testing.T) {
 	if args[0] != "-var-file-default" {
 		t.Fatalf("expected %q, got %q", "-var-file-default", args[0])
 	}
-	if args[1] != file1 {
-		t.Fatalf("expected %q, got %q", file1, args[1])
+	if args[1] != defaultVarsfile {
+		t.Fatalf("expected %q, got %q", defaultVarsfile, args[3])
 	}
 	if args[2] != "-var-file-default" {
 		t.Fatalf("expected %q, got %q", "-var-file-default", args[0])
 	}
-	if args[3] != file2 {
-		t.Fatalf("expected %q, got %q", file2, args[3])
+	if args[3] != fileFirstAlphabetical {
+		t.Fatalf("expected %q, got %q", fileFirstAlphabetical, args[1])
+	}
+	if args[4] != "-var-file-default" {
+		t.Fatalf("expected %q, got %q", "-var-file-default", args[0])
+	}
+	if args[5] != fileLastAlphabetical {
+		t.Fatalf("expected %q, got %q", fileLastAlphabetical, args[3])
 	}
 }

command/plan.go

@@ -186,8 +186,8 @@ Options:
                       flag can be set multiple times.
 
   -var-file=foo       Set variables in the Terraform configuration from
-                      a file. If "terraform.tfvars" is present, it will be
-                      automatically loaded if this flag is not specified.
+                      a file. If "terraform.tfvars" or any ".auto.tfvars"
+                      files are present, they will be automatically loaded.
 `
 	return strings.TrimSpace(helpText)
 }

command/push.go

@@ -381,8 +381,8 @@ Options:
                        flag can be set multiple times.
 
   -var-file=foo        Set variables in the Terraform configuration from
-                       a file. If "terraform.tfvars" is present, it will be
-                       automatically loaded if this flag is not specified.
+                       a file. If "terraform.tfvars" or any ".auto.tfvars"
+                       files are present, they will be automatically loaded.
 
   -vcs=true            If true (default), push will upload only files
                        committed to your VCS, if detected.

command/refresh.go

@@ -133,8 +133,8 @@ Options:
                       flag can be set multiple times.
 
   -var-file=foo       Set variables in the Terraform configuration from
-                      a file. If "terraform.tfvars" is present, it will be
-                      automatically loaded if this flag is not specified.
+                      a file. If "terraform.tfvars" or any ".auto.tfvars"
+                      files are present, they will be automatically loaded.
 
 `
 	return strings.TrimSpace(helpText)

contrib/zsh-completion/_terraform

@@ -27,7 +27,7 @@ __apply() {
         '-state=[(path) Path to read and save state (unless state-out is specified). Defaults to "terraform.tfstate".]' \
         '-state-out=[(path) Path to write state to that is different than "-state". This can be used to preserve the old state.]' \
         '-var[("foo=bar") Set a variable in the Terraform configuration. This flag can be set multiple times.]' \
-        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" is present, it will be automatically loaded if this flag is not specified.]'
+        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" or any ".auto.tfvars" files are present, they will be automatically loaded.]'
 }
 
 __destroy() {
@@ -39,7 +39,7 @@ __destroy() {
         '-state=[Path to read and save state (unless state-out is specified). Defaults to "terraform.tfstate".]' \
         '-state-out=[Path to write state to that is different than "-state". This can be used to preserve the old state.]' \
         '-var[("foo=bar") Set a variable in the Terraform configuration. This flag can be set multiple times.]' \
-        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" is present, it will be automatically loaded if this flag is not specified.]'
+        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" or any ".auto.tfvars" files are present, they will be automatically loaded.]'
 }
 
 __get() {
@@ -77,7 +77,7 @@ __plan() {
         '-refresh=[(true) Update state prior to checking for differences.]' \
         '-state=[(statefile) Path to a Terraform state file to use to look up Terraform-managed resources. By default it will use the state "terraform.tfstate" if it exists.]' \
         '-var[("foo=bar") Set a variable in the Terraform configuration. This flag can be set multiple times.]' \
-        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" is present, it will be automatically loaded if this flag is not specified.]'
+        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" or any ".auto.tfvars" files are present, they will be automatically loaded.]'
 }
 
 __push() {
@@ -93,7 +93,7 @@ __refresh() {
         '-state=[(path) Path to read and save state (unless state-out is specified). Defaults to "terraform.tfstate".]' \
         '-state-out=[(path) Path to write state to that is different than "-state". This can be used to preserve the old state.]' \
         '-var[("foo=bar") Set a variable in the Terraform configuration. This flag can be set multiple times.]' \
-        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" is present, it will be automatically loaded if this flag is not specified.]'
+        '-var-file=[(path) Set variables in the Terraform configuration from a file. If "terraform.tfvars" or any ".auto.tfvars" files are present, they will be automatically loaded.]'
 }
 
 __taint() {

examples/azure-2-vms-loadbalancer-lbrules/README.md

@@ -14,9 +14,9 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your .gitignore file.
 
 ## variables.tf
-The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
+The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.

examples/azure-cdn-with-storage-account/README.md

@@ -20,11 +20,11 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-cdn-with-storage-account/graph.png)
+![graph](/examples/azure-cdn-with-storage-account/graph.png)

examples/azure-encrypt-running-linux-vm/README.md

@@ -34,11 +34,11 @@ You may leave the provider block in the `main.tf`, as it is in this template, or
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your .gitignore file.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-encrypt-running-linux-vm/graph.png)
+![graph](/examples/azure-encrypt-running-linux-vm/graph.png)

examples/azure-search-create/README.md

@@ -18,11 +18,11 @@ You may leave the provider block in the `main.tf`, as it is in this template, or
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-search-create/graph.png)
+![graph](/examples/azure-search-create/graph.png)

examples/azure-servicebus-create-topic-and-subscription/README.md

@@ -12,11 +12,11 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-servicebus-create-topic-and-subscription/graph.png)
+![graph](/examples/azure-servicebus-create-topic-and-subscription/graph.png)

examples/azure-spark-and-cassandra-on-centos/README.md

@@ -52,7 +52,7 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 

examples/azure-sql-database/README.md

@@ -14,9 +14,9 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-sql-database/graph.png)
+![graph](/examples/azure-sql-database/graph.png)

examples/azure-traffic-manager-vm/README.md

@@ -19,7 +19,7 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 

examples/azure-vm-from-user-image/README.md

@@ -16,11 +16,11 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-vm-from-user-image/graph.png)
+![graph](/examples/azure-vm-from-user-image/graph.png)

examples/azure-vm-simple-linux-managed-disk/README.md

@@ -14,9 +14,9 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-vm-simple-linux-managed-disk/graph.png)
+![graph](/examples/azure-vm-simple-linux-managed-disk/graph.png)

examples/azure-vm-specialized-vhd-existing-vnet/README.md

@@ -27,9 +27,9 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![graph](/examples/azure-vm-specialized-vhd-existing-vnet/graph.png)
+![graph](/examples/azure-vm-specialized-vhd-existing-vnet/graph.png)

examples/azure-vmss-ubuntu/README.md

@@ -14,9 +14,9 @@ You may leave the provider block in the `main.tf`, as it is in this template, or
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![`terraform graph`](/examples/azure-vmss-ubuntu/graph.png)
+![`terraform graph`](/examples/azure-vmss-ubuntu/graph.png)

examples/azure-vnet-to-vnet-peering/README.md

@@ -14,11 +14,11 @@ You may leave the provider block in the `main.tf`, as it is in this template, or
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
 
-![`terraform graph`](/examples/azure-vnet-to-vnet-peering/graph.png)
+![`terraform graph`](/examples/azure-vnet-to-vnet-peering/graph.png)

examples/azure-vnet-two-subnets/README.md

@@ -12,7 +12,7 @@ This data is outputted when `terraform apply` is called, and can be queried usin
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 ## variables.tf
 The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.

examples/azure-wordpress-mysql-replication/README.md

@@ -33,7 +33,7 @@ You may leave the provider block in the `main.tf`, as it is in this template, or
 Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
 
 ## terraform.tfvars
-If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+If a `terraform.tfvars` or any `.auto.tfvars` files are present in the current directory, Terraform automatically loads them to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use the `-var-file` flag or the `.auto.tfvars` extension to load it.
 
 If you are committing this template to source control, please insure that you add this file to your `.gitignore` file.
 

website/docs/commands/apply.html.markdown

@@ -67,8 +67,9 @@ The command-line flags are all optional. The list of available flags are:
   specified via this flag.
 
 * `-var-file=foo` - Set variables in the Terraform configuration from
-   a [variable file](/docs/configuration/variables.html#variable-files). If
-  any files matching "*.tfvars" are present, they will be automatically loaded
-  in alphabetical order. Any files specified by `-var-file` override any values
-  set automatically from files in the working directory. This flag can be used
-  multiple times.
+  a [variable file](/docs/configuration/variables.html#variable-files). If
+  a `terraform.tfvars` or any `.auto.tfvars` files are present in the current
+  directory, they will be automatically loaded. `terraform.tfvars` is loaded
+  first and the `.auto.tfvars` files after in alphabetical order. Any files
+  specified by `-var-file` override any values set automatically from files in
+  the working directory. This flag can be used multiple times.

website/docs/commands/import.html.md

@@ -66,11 +66,13 @@ The command-line flags are all optional. The list of available flags are:
   specified via this flag. This is only useful with the `-config` flag.
 
 * `-var-file=foo` - Set variables in the Terraform configuration from
-   a [variable file](/docs/configuration/variables.html#variable-files). If
-  any file matching "*.tfvars" are present, they will be automatically loaded
-  in alphabetical order. Any files specified by `-var-file` override any values
-  set automatically from files in the working directory. This flag can be used
-  multiple times. This is only useful with the `-config` flag.
+  a [variable file](/docs/configuration/variables.html#variable-files). If
+  a `terraform.tfvars` or any `.auto.tfvars` files are present in the current
+  directory, they will be automatically loaded. `terraform.tfvars` is loaded
+  first and the `.auto.tfvars` files after in alphabetical order. Any files
+  specified by `-var-file` override any values set automatically from files in
+  the working directory. This flag can be used multiple times. This is only
+  useful with the `-config` flag.
 
 ## Provider Configuration
 

website/docs/commands/plan.html.markdown

@@ -72,11 +72,12 @@ The command-line flags are all optional. The list of available flags are:
   specified via this flag.
 
 * `-var-file=foo` - Set variables in the Terraform configuration from
-   a [variable file](/docs/configuration/variables.html#variable-files). If
-   any files matching "*.tfvars" are present, they will be automatically loaded
-   in alphabetical order. Any files specified by `-var-file` override any values
-   set automatically from files in the working directory. This flag can be used
-   multiple times.
+  a [variable file](/docs/configuration/variables.html#variable-files). If
+  a `terraform.tfvars` or any `.auto.tfvars` files are present in the current
+  directory, they will be automatically loaded. `terraform.tfvars` is loaded
+  first and the `.auto.tfvars` files after in alphabetical order. Any files
+  specified by `-var-file` override any values set automatically from files in
+  the working directory. This flag can be used multiple times.
 
 ## Resource Targeting
 

website/docs/commands/refresh.html.markdown

@@ -55,8 +55,9 @@ The command-line flags are all optional. The list of available flags are:
   specified via this flag.
 
 * `-var-file=foo` - Set variables in the Terraform configuration from
-   a [variable file](/docs/configuration/variables.html#variable-files). If
-   any files matching "*.tfvars" are present, they will be automatically loaded
-   in alphabetical order. Any files specified by `-var-file` override any values
-   set automatically from files in the working directory. This flag can be used
-   multiple times.
+  a [variable file](/docs/configuration/variables.html#variable-files). If
+  a `terraform.tfvars` or any `.auto.tfvars` files are present in the current
+  directory, they will be automatically loaded. `terraform.tfvars` is loaded
+  first and the `.auto.tfvars` files after in alphabetical order. Any files
+  specified by `-var-file` override any values set automatically from files in
+  the working directory. This flag can be used multiple times.

website/docs/configuration/variables.html.md

@@ -256,9 +256,10 @@ $ TF_VAR_somemap='{foo = "bar", baz = "qux"}' terraform plan
 Variables can be collected in files and passed all at once using the
 `-var-file=foo.tfvars` flag.
 
-For all files which match `*.tfvars` present in the current directory,
-Terraform automatically loads it to populate variables. If the file is located
-somewhere else, you can pass the path to the file using the `-var-file` flag.
+For all files which match `terraform.tfvars` or `*.auto.tfvars` present in the
+current directory, Terraform automatically loads them to populate variables. If
+the file is located somewhere else, you can pass the path to the file using the
+`-var-file` flag.
 
 Variables files use HCL or JSON to define variable values. Strings, lists or
 maps may be set in the same manner as the default value in a `variable` block
@@ -337,14 +338,10 @@ _bar.tfvars_
 baz = "bar"
 ```
 
-When they are read directly from the working directory, the files are evaluated
-in alphabetical order. The result will be that baz contains the value `foo`
-because `foo.tfvars` has the last definition loaded.
-
-When they are passed manually in the following order:
+When they are passed in the following order:
 
 ```shell
-$ terraform apply -var-file=path/to/foo.tfvars -var-file=path/to/bar.tfvars
+$ terraform apply -var-file=foo.tfvars -var-file=bar.tfvars
 ```
 
 The result will be that `baz` will contain the value `bar` because `bar.tfvars`

website/intro/getting-started/variables.html.md

@@ -86,9 +86,9 @@ access_key = "foo"
 secret_key = "bar"
 ```
 
-If a `terraform.tfvars` file is present in the current directory,
-Terraform automatically loads it to populate variables. If the file is
-named something else, you can use the `-var-file` flag directly to
+For all files which match `terraform.tfvars` or `*.auto.tfvars` present in the
+current directory, Terraform automatically loads them to populate variables. If
+the file is named something else, you can use the `-var-file` flag directly to
 specify a file. These files are the same syntax as Terraform
 configuration files. And like Terraform configuration files, these files
 can also be JSON.

website/upgrade-guides/0-7.html.markdown

@@ -233,4 +233,4 @@ This will give the map the effective value:
 }
 ```
 
-It's also possible to override the values in a variables file, either in any `*.tfvars` file or specified using the `-var-file` flag.
+It's also possible to override the values in a variables file, either in any `terraform.tfvars` file, an `.auto.tfvars` file, or specified using the `-var-file` flag.