package google import ( "encoding/json" "fmt" "strings" "github.com/hashicorp/terraform/helper/schema" "github.com/hashicorp/terraform/terraform" "google.golang.org/api/compute/v1" "google.golang.org/api/googleapi" ) // Provider returns a terraform.ResourceProvider. func Provider() terraform.ResourceProvider { return &schema.Provider{ Schema: map[string]*schema.Schema{ "credentials": &schema.Schema{ Type: schema.TypeString, Optional: true, DefaultFunc: schema.MultiEnvDefaultFunc([]string{ "GOOGLE_CREDENTIALS", "GOOGLE_CLOUD_KEYFILE_JSON", "GCLOUD_KEYFILE_JSON", }, nil), ValidateFunc: validateCredentials, }, "project": &schema.Schema{ Type: schema.TypeString, Optional: true, DefaultFunc: schema.MultiEnvDefaultFunc([]string{ "GOOGLE_PROJECT", "GCLOUD_PROJECT", "CLOUDSDK_CORE_PROJECT", }, nil), }, "region": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: schema.MultiEnvDefaultFunc([]string{ "GOOGLE_REGION", "GCLOUD_REGION", "CLOUDSDK_COMPUTE_REGION", }, nil), }, }, DataSourcesMap: map[string]*schema.Resource{ "google_compute_network": dataSourceGoogleComputeNetwork(), "google_compute_subnetwork": dataSourceGoogleComputeSubnetwork(), "google_compute_zones": dataSourceGoogleComputeZones(), "google_iam_policy": dataSourceGoogleIamPolicy(), }, ResourcesMap: map[string]*schema.Resource{ "google_compute_autoscaler": resourceComputeAutoscaler(), "google_compute_address": resourceComputeAddress(), "google_compute_backend_service": resourceComputeBackendService(), "google_compute_disk": resourceComputeDisk(), "google_compute_firewall": resourceComputeFirewall(), "google_compute_forwarding_rule": resourceComputeForwardingRule(), "google_compute_global_address": resourceComputeGlobalAddress(), "google_compute_global_forwarding_rule": resourceComputeGlobalForwardingRule(), "google_compute_health_check": resourceComputeHealthCheck(), "google_compute_http_health_check": resourceComputeHttpHealthCheck(), "google_compute_https_health_check": resourceComputeHttpsHealthCheck(), "google_compute_image": resourceComputeImage(), "google_compute_instance": resourceComputeInstance(), "google_compute_instance_group": resourceComputeInstanceGroup(), "google_compute_instance_group_manager": resourceComputeInstanceGroupManager(), "google_compute_instance_template": resourceComputeInstanceTemplate(), "google_compute_network": resourceComputeNetwork(), "google_compute_project_metadata": resourceComputeProjectMetadata(), "google_compute_region_backend_service": resourceComputeRegionBackendService(), "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(), "google_compute_target_pool": resourceComputeTargetPool(), "google_compute_url_map": resourceComputeUrlMap(), "google_compute_vpn_gateway": resourceComputeVpnGateway(), "google_compute_vpn_tunnel": resourceComputeVpnTunnel(), "google_container_cluster": resourceContainerCluster(), "google_container_node_pool": resourceContainerNodePool(), "google_dns_managed_zone": resourceDnsManagedZone(), "google_dns_record_set": resourceDnsRecordSet(), "google_sql_database": resourceSqlDatabase(), "google_sql_database_instance": resourceSqlDatabaseInstance(), "google_sql_user": resourceSqlUser(), "google_project": resourceGoogleProject(), "google_project_iam_policy": resourceGoogleProjectIamPolicy(), "google_project_services": resourceGoogleProjectServices(), "google_pubsub_topic": resourcePubsubTopic(), "google_pubsub_subscription": resourcePubsubSubscription(), "google_service_account": resourceGoogleServiceAccount(), "google_storage_bucket": resourceStorageBucket(), "google_storage_bucket_acl": resourceStorageBucketAcl(), "google_storage_bucket_object": resourceStorageBucketObject(), "google_storage_object_acl": resourceStorageObjectAcl(), }, ConfigureFunc: providerConfigure, } } func providerConfigure(d *schema.ResourceData) (interface{}, error) { credentials := d.Get("credentials").(string) config := Config{ Credentials: credentials, Project: d.Get("project").(string), Region: d.Get("region").(string), } if err := config.loadAndValidate(); err != nil { return nil, err } return &config, nil } 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 { errors = append(errors, fmt.Errorf("credentials are not valid JSON '%s': %s", creds, err)) } return } // 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 "" } // getRegion reads the "region" field from the given resource data and falls // back to the provider's value if not given. If the provider's value is not // given, an error is returned. func getRegion(d *schema.ResourceData, config *Config) (string, error) { res, ok := d.GetOk("region") if !ok { if config.Region != "" { return config.Region, nil } return "", fmt.Errorf("%q: required field is not set", "region") } return res.(string), nil } // getProject reads the "project" field from the given resource data and falls // back to the provider's value if not given. If the provider's value is not // given, an error is returned. func getProject(d *schema.ResourceData, config *Config) (string, error) { res, ok := d.GetOk("project") if !ok { if config.Project != "" { return config.Project, nil } return "", fmt.Errorf("%q: required field is not set", "project") } return res.(string), nil } func getZonalResourceFromRegion(getResource func(string) (interface{}, error), region string, compute *compute.Service, project string) (interface{}, error) { zoneList, err := compute.Zones.List(project).Do() if err != nil { return nil, err } var resource interface{} for _, zone := range zoneList.Items { if strings.Contains(zone.Name, region) { resource, err = getResource(zone.Name) if err != nil { if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 { // Resource was not found in this zone continue } return nil, fmt.Errorf("Error reading Resource: %s", err) } // Resource was found return resource, nil } } // Resource does not exist in this region return nil, nil } // getNetworkLink reads the "network" field from the given resource data and if the value: // - is a resource URL, returns the string unchanged // - is the network name only, then looks up the resource URL using the google client func getNetworkLink(d *schema.ResourceData, config *Config, field string) (string, error) { if v, ok := d.GetOk(field); ok { network := v.(string) project, err := getProject(d, config) if err != nil { return "", err } if !strings.HasPrefix(network, "https://www.googleapis.com/compute/") { // Network value provided is just the name, lookup the network SelfLink networkData, err := config.clientCompute.Networks.Get( project, network).Do() if err != nil { return "", fmt.Errorf("Error reading network: %s", err) } network = networkData.SelfLink } return network, nil } else { return "", nil } } // getNetworkName reads the "network" field from the given resource data and if the value: // - is a resource URL, extracts the network name from the URL and returns it // - is the network name only (i.e not prefixed with http://www.googleapis.com/compute/...), is returned unchanged func getNetworkName(d *schema.ResourceData, field string) (string, error) { if v, ok := d.GetOk(field); ok { network := v.(string) return getNetworkNameFromSelfLink(network) } return "", nil } func getNetworkNameFromSelfLink(network string) (string, error) { if strings.HasPrefix(network, "https://www.googleapis.com/compute/") { // extract the network name from SelfLink URL networkName := network[strings.LastIndex(network, "/")+1:] if networkName == "" { return "", fmt.Errorf("network url not valid") } return networkName, nil } return network, nil }