terraform/builtin/providers/azure/provider.go

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package azure
import (
"encoding/xml"
"fmt"
"github.com/hashicorp/terraform/helper/pathorcontents"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/terraform"
)
// Provider returns a terraform.ResourceProvider.
func Provider() terraform.ResourceProvider {
return &schema.Provider{
Schema: map[string]*schema.Schema{
"settings_file": &schema.Schema{
Type: schema.TypeString,
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Optional: true,
DefaultFunc: schema.EnvDefaultFunc("AZURE_SETTINGS_FILE", nil),
ValidateFunc: validateSettingsFile,
Deprecated: "Use the publish_settings field instead",
},
"publish_settings": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("AZURE_PUBLISH_SETTINGS", nil),
ValidateFunc: validatePublishSettings,
},
"subscription_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("AZURE_SUBSCRIPTION_ID", ""),
},
"certificate": &schema.Schema{
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("AZURE_CERTIFICATE", ""),
},
},
ResourcesMap: map[string]*schema.Resource{
"azure_instance": resourceAzureInstance(),
"azure_affinity_group": resourceAzureAffinityGroup(),
"azure_data_disk": resourceAzureDataDisk(),
"azure_sql_database_server": resourceAzureSqlDatabaseServer(),
"azure_sql_database_server_firewall_rule": resourceAzureSqlDatabaseServerFirewallRule(),
"azure_sql_database_service": resourceAzureSqlDatabaseService(),
"azure_hosted_service": resourceAzureHostedService(),
"azure_storage_service": resourceAzureStorageService(),
"azure_storage_container": resourceAzureStorageContainer(),
"azure_storage_blob": resourceAzureStorageBlob(),
"azure_storage_queue": resourceAzureStorageQueue(),
"azure_virtual_network": resourceAzureVirtualNetwork(),
"azure_dns_server": resourceAzureDnsServer(),
"azure_local_network_connection": resourceAzureLocalNetworkConnection(),
"azure_security_group": resourceAzureSecurityGroup(),
"azure_security_group_rule": resourceAzureSecurityGroupRule(),
},
ConfigureFunc: providerConfigure,
}
}
func providerConfigure(d *schema.ResourceData) (interface{}, error) {
config := Config{
SubscriptionID: d.Get("subscription_id").(string),
Certificate: []byte(d.Get("certificate").(string)),
}
publishSettings := d.Get("publish_settings").(string)
if publishSettings == "" {
publishSettings = d.Get("settings_file").(string)
}
if publishSettings != "" {
// any errors from readSettings would have been caught at the validate
// step, so we can avoid handling them now
settings, _, _ := readSettings(publishSettings)
config.Settings = settings
return config.NewClientFromSettingsData()
}
if config.SubscriptionID != "" && len(config.Certificate) > 0 {
return config.NewClient()
}
return nil, fmt.Errorf(
"Insufficient configuration data. Please specify either a 'settings_file'\n" +
"or both a 'subscription_id' and 'certificate'.")
}
func validateSettingsFile(v interface{}, k string) ([]string, []error) {
value := v.(string)
if value == "" {
return nil, nil
}
_, warnings, errors := readSettings(value)
return warnings, errors
}
func validatePublishSettings(v interface{}, k string) (ws []string, es []error) {
value := v.(string)
if value == "" {
return
}
var settings settingsData
if err := xml.Unmarshal([]byte(value), &settings); err != nil {
es = append(es, fmt.Errorf("error parsing publish_settings as XML: %s", err))
}
return
}
const settingsPathWarnMsg = `
settings_file was provided as a file path. This support
will be removed in the future. Please update your configuration
to use ${file("filename.publishsettings")} instead.`
func readSettings(pathOrContents string) (s []byte, ws []string, es []error) {
contents, wasPath, err := pathorcontents.Read(pathOrContents)
if err != nil {
es = append(es, fmt.Errorf("error reading settings_file: %s", err))
}
if wasPath {
ws = append(ws, settingsPathWarnMsg)
}
var settings settingsData
if err := xml.Unmarshal([]byte(contents), &settings); err != nil {
es = append(es, fmt.Errorf("error parsing settings_file as XML: %s", err))
}
s = []byte(contents)
return
}
// settingsData is a private struct used to test the unmarshalling of the
// settingsFile contents, to determine if the contents are valid XML
type settingsData struct {
XMLName xml.Name `xml:"PublishData"`
}