terraform/builtin/providers/google/provider.go

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package google
import (
"encoding/json"
"fmt"
"github.com/hashicorp/terraform/helper/pathorcontents"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/terraform"
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)
// Provider returns a terraform.ResourceProvider.
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func Provider() terraform.ResourceProvider {
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return &schema.Provider{
Schema: map[string]*schema.Schema{
"account_file": &schema.Schema{
Type: schema.TypeString,
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Optional: true,
DefaultFunc: schema.EnvDefaultFunc("GOOGLE_ACCOUNT_FILE", nil),
ValidateFunc: validateAccountFile,
Deprecated: "Use the credentials field instead",
},
"credentials": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.MultiEnvDefaultFunc([]string{
"GOOGLE_CREDENTIALS",
"GOOGLE_CLOUD_KEYFILE_JSON",
}, nil),
ValidateFunc: validateCredentials,
},
"project": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("GOOGLE_PROJECT", nil),
},
"region": &schema.Schema{
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("GOOGLE_REGION", nil),
},
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},
ResourcesMap: map[string]*schema.Resource{
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"google_compute_autoscaler": resourceComputeAutoscaler(),
"google_compute_address": resourceComputeAddress(),
"google_compute_backend_service": resourceComputeBackendService(),
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"google_compute_disk": resourceComputeDisk(),
"google_compute_firewall": resourceComputeFirewall(),
"google_compute_forwarding_rule": resourceComputeForwardingRule(),
"google_compute_global_address": resourceComputeGlobalAddress(),
"google_compute_global_forwarding_rule": resourceComputeGlobalForwardingRule(),
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"google_compute_http_health_check": resourceComputeHttpHealthCheck(),
"google_compute_https_health_check": resourceComputeHttpsHealthCheck(),
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"google_compute_instance": resourceComputeInstance(),
"google_compute_instance_group": resourceComputeInstanceGroup(),
"google_compute_instance_group_manager": resourceComputeInstanceGroupManager(),
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"google_compute_instance_template": resourceComputeInstanceTemplate(),
"google_compute_network": resourceComputeNetwork(),
"google_compute_project_metadata": resourceComputeProjectMetadata(),
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"google_compute_route": resourceComputeRoute(),
"google_compute_ssl_certificate": resourceComputeSslCertificate(),
"google_compute_subnetwork": resourceComputeSubnetwork(),
"google_compute_target_http_proxy": resourceComputeTargetHttpProxy(),
"google_compute_target_https_proxy": resourceComputeTargetHttpsProxy(),
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"google_compute_target_pool": resourceComputeTargetPool(),
"google_compute_url_map": resourceComputeUrlMap(),
"google_compute_vpn_gateway": resourceComputeVpnGateway(),
"google_compute_vpn_tunnel": resourceComputeVpnTunnel(),
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"google_container_cluster": resourceContainerCluster(),
"google_dns_managed_zone": resourceDnsManagedZone(),
"google_dns_record_set": resourceDnsRecordSet(),
"google_sql_database": resourceSqlDatabase(),
"google_sql_database_instance": resourceSqlDatabaseInstance(),
"google_sql_user": resourceSqlUser(),
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"google_pubsub_topic": resourcePubsubTopic(),
"google_pubsub_subscription": resourcePubsubSubscription(),
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"google_storage_bucket": resourceStorageBucket(),
"google_storage_bucket_acl": resourceStorageBucketAcl(),
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"google_storage_bucket_object": resourceStorageBucketObject(),
"google_storage_object_acl": resourceStorageObjectAcl(),
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},
ConfigureFunc: providerConfigure,
}
}
func providerConfigure(d *schema.ResourceData) (interface{}, error) {
credentials := d.Get("credentials").(string)
if credentials == "" {
credentials = d.Get("account_file").(string)
}
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config := Config{
Credentials: credentials,
Project: d.Get("project").(string),
Region: d.Get("region").(string),
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}
if err := config.loadAndValidate(); err != nil {
return nil, err
}
return &config, nil
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}
func validateAccountFile(v interface{}, k string) (warnings []string, errors []error) {
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if v == nil {
return
}
value := v.(string)
if value == "" {
return
}
contents, wasPath, err := pathorcontents.Read(value)
if err != nil {
errors = append(errors, fmt.Errorf("Error loading Account File: %s", err))
}
if wasPath {
warnings = append(warnings, `account_file was provided as a path instead of
as file contents. This support will be removed in the future. Please update
your configuration to use ${file("filename.json")} instead.`)
}
var account accountFile
if err := json.Unmarshal([]byte(contents), &account); err != nil {
errors = append(errors,
fmt.Errorf("account_file not valid JSON '%s': %s", contents, err))
}
return
}
func validateCredentials(v interface{}, k string) (warnings []string, errors []error) {
if v == nil || v.(string) == "" {
return
}
creds := v.(string)
var account accountFile
if err := json.Unmarshal([]byte(creds), &account); err != nil {
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errors = append(errors,
fmt.Errorf("credentials are not valid JSON '%s': %s", creds, err))
}
return
}
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// getRegionFromZone returns the region from a zone for Google cloud.
func getRegionFromZone(zone string) string {
if zone != "" && len(zone) > 2 {
region := zone[:len(zone)-2]
return region
}
return ""
}