github.com/anuaimi/terraform@v0.6.4-0.20150904235404-2bf9aec61da8/builtin/providers/google/provider.go (about)

     1  package google
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"os"
     7  
     8  	"github.com/hashicorp/terraform/helper/schema"
     9  	"github.com/hashicorp/terraform/terraform"
    10  )
    11  
    12  // Provider returns a terraform.ResourceProvider.
    13  func Provider() terraform.ResourceProvider {
    14  	return &schema.Provider{
    15  		Schema: map[string]*schema.Schema{
    16  			"account_file": &schema.Schema{
    17  				Type:         schema.TypeString,
    18  				Required:     true,
    19  				DefaultFunc:  schema.EnvDefaultFunc("GOOGLE_ACCOUNT_FILE", nil),
    20  				ValidateFunc: validateAccountFile,
    21  			},
    22  
    23  			"project": &schema.Schema{
    24  				Type:        schema.TypeString,
    25  				Required:    true,
    26  				DefaultFunc: schema.EnvDefaultFunc("GOOGLE_PROJECT", nil),
    27  			},
    28  
    29  			"region": &schema.Schema{
    30  				Type:        schema.TypeString,
    31  				Required:    true,
    32  				DefaultFunc: schema.EnvDefaultFunc("GOOGLE_REGION", nil),
    33  			},
    34  		},
    35  
    36  		ResourcesMap: map[string]*schema.Resource{
    37  			"google_compute_autoscaler":             resourceComputeAutoscaler(),
    38  			"google_compute_address":                resourceComputeAddress(),
    39  			"google_compute_disk":                   resourceComputeDisk(),
    40  			"google_compute_firewall":               resourceComputeFirewall(),
    41  			"google_compute_forwarding_rule":        resourceComputeForwardingRule(),
    42  			"google_compute_http_health_check":      resourceComputeHttpHealthCheck(),
    43  			"google_compute_instance":               resourceComputeInstance(),
    44  			"google_compute_instance_template":      resourceComputeInstanceTemplate(),
    45  			"google_compute_network":                resourceComputeNetwork(),
    46  			"google_compute_project_metadata":       resourceComputeProjectMetadata(),
    47  			"google_compute_route":                  resourceComputeRoute(),
    48  			"google_compute_target_pool":            resourceComputeTargetPool(),
    49  			"google_container_cluster":              resourceContainerCluster(),
    50  			"google_dns_managed_zone":               resourceDnsManagedZone(),
    51  			"google_dns_record_set":                 resourceDnsRecordSet(),
    52  			"google_compute_instance_group_manager": resourceComputeInstanceGroupManager(),
    53  			"google_storage_bucket":                 resourceStorageBucket(),
    54  		},
    55  
    56  		ConfigureFunc: providerConfigure,
    57  	}
    58  }
    59  
    60  func providerConfigure(d *schema.ResourceData) (interface{}, error) {
    61  	config := Config{
    62  		AccountFile: d.Get("account_file").(string),
    63  		Project:     d.Get("project").(string),
    64  		Region:      d.Get("region").(string),
    65  	}
    66  
    67  	if err := config.loadAndValidate(); err != nil {
    68  		return nil, err
    69  	}
    70  
    71  	return &config, nil
    72  }
    73  
    74  func validateAccountFile(v interface{}, k string) (warnings []string, errors []error) {
    75  	value := v.(string)
    76  
    77  	if value == "" {
    78  		return
    79  	}
    80  
    81  	var account accountFile
    82  	if err := json.Unmarshal([]byte(value), &account); err != nil {
    83  		warnings = append(warnings, `
    84  account_file is not valid JSON, so we are assuming it is a file path. This
    85  support will be removed in the future. Please update your configuration to use
    86  ${file("filename.json")} instead.`)
    87  	} else {
    88  		return
    89  	}
    90  
    91  	if _, err := os.Stat(value); err != nil {
    92  		errors = append(errors,
    93  			fmt.Errorf(
    94  				"account_file path could not be read from '%s': %s",
    95  				value,
    96  				err))
    97  	}
    98  
    99  	return
   100  }