diff options
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go')
| -rw-r--r-- | vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go | 182 |
1 files changed, 168 insertions, 14 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go b/vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go index f1adcf4819..c1e0e9c954 100644 --- a/vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go +++ b/vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go @@ -1,10 +1,15 @@ package session import ( + "fmt" "os" "strconv" + "strings" + "github.com/aws/aws-sdk-go/aws" "github.com/aws/aws-sdk-go/aws/credentials" + "github.com/aws/aws-sdk-go/aws/defaults" + "github.com/aws/aws-sdk-go/aws/endpoints" ) // EnvProviderName provides a name of the provider when config is loaded from environment. @@ -78,7 +83,7 @@ type envConfig struct { // AWS_CONFIG_FILE=$HOME/my_shared_config SharedConfigFile string - // Sets the path to a custom Credentials Authroity (CA) Bundle PEM file + // Sets the path to a custom Credentials Authority (CA) Bundle PEM file // that the SDK will use instead of the system's root CA bundle. // Only use this if you want to configure the SDK to use a custom set // of CAs. @@ -95,9 +100,69 @@ type envConfig struct { // // AWS_CA_BUNDLE=$HOME/my_custom_ca_bundle CustomCABundle string + + csmEnabled string + CSMEnabled *bool + CSMPort string + CSMHost string + CSMClientID string + + // Enables endpoint discovery via environment variables. + // + // AWS_ENABLE_ENDPOINT_DISCOVERY=true + EnableEndpointDiscovery *bool + enableEndpointDiscovery string + + // Specifies the WebIdentity token the SDK should use to assume a role + // with. + // + // AWS_WEB_IDENTITY_TOKEN_FILE=file_path + WebIdentityTokenFilePath string + + // Specifies the IAM role arn to use when assuming an role. + // + // AWS_ROLE_ARN=role_arn + RoleARN string + + // Specifies the IAM role session name to use when assuming a role. + // + // AWS_ROLE_SESSION_NAME=session_name + RoleSessionName string + + // Specifies the STS Regional Endpoint flag for the SDK to resolve the endpoint + // for a service. + // + // AWS_STS_REGIONAL_ENDPOINTS=regional + // This can take value as `regional` or `legacy` + STSRegionalEndpoint endpoints.STSRegionalEndpoint + + // Specifies the S3 Regional Endpoint flag for the SDK to resolve the + // endpoint for a service. + // + // AWS_S3_US_EAST_1_REGIONAL_ENDPOINT=regional + // This can take value as `regional` or `legacy` + S3UsEast1RegionalEndpoint endpoints.S3UsEast1RegionalEndpoint + + // Specifies if the S3 service should allow ARNs to direct the region + // the client's requests are sent to. + // + // AWS_S3_USE_ARN_REGION=true + S3UseARNRegion bool } var ( + csmEnabledEnvKey = []string{ + "AWS_CSM_ENABLED", + } + csmHostEnvKey = []string{ + "AWS_CSM_HOST", + } + csmPortEnvKey = []string{ + "AWS_CSM_PORT", + } + csmClientIDEnvKey = []string{ + "AWS_CSM_CLIENT_ID", + } credAccessEnvKey = []string{ "AWS_ACCESS_KEY_ID", "AWS_ACCESS_KEY", @@ -110,6 +175,10 @@ var ( "AWS_SESSION_TOKEN", } + enableEndpointDiscoveryEnvKey = []string{ + "AWS_ENABLE_ENDPOINT_DISCOVERY", + } + regionEnvKeys = []string{ "AWS_REGION", "AWS_DEFAULT_REGION", // Only read if AWS_SDK_LOAD_CONFIG is also set @@ -124,6 +193,24 @@ var ( sharedConfigFileEnvKey = []string{ "AWS_CONFIG_FILE", } + webIdentityTokenFilePathEnvKey = []string{ + "AWS_WEB_IDENTITY_TOKEN_FILE", + } + roleARNEnvKey = []string{ + "AWS_ROLE_ARN", + } + roleSessionNameEnvKey = []string{ + "AWS_ROLE_SESSION_NAME", + } + stsRegionalEndpointKey = []string{ + "AWS_STS_REGIONAL_ENDPOINTS", + } + s3UsEast1RegionalEndpoint = []string{ + "AWS_S3_US_EAST_1_REGIONAL_ENDPOINT", + } + s3UseARNRegionEnvKey = []string{ + "AWS_S3_USE_ARN_REGION", + } ) // loadEnvConfig retrieves the SDK's environment configuration. @@ -132,7 +219,7 @@ var ( // If the environment variable `AWS_SDK_LOAD_CONFIG` is set to a truthy value // the shared SDK config will be loaded in addition to the SDK's specific // configuration values. -func loadEnvConfig() envConfig { +func loadEnvConfig() (envConfig, error) { enableSharedConfig, _ := strconv.ParseBool(os.Getenv("AWS_SDK_LOAD_CONFIG")) return envConfigLoad(enableSharedConfig) } @@ -143,24 +230,42 @@ func loadEnvConfig() envConfig { // Loads the shared configuration in addition to the SDK's specific configuration. // This will load the same values as `loadEnvConfig` if the `AWS_SDK_LOAD_CONFIG` // environment variable is set. -func loadSharedEnvConfig() envConfig { +func loadSharedEnvConfig() (envConfig, error) { return envConfigLoad(true) } -func envConfigLoad(enableSharedConfig bool) envConfig { +func envConfigLoad(enableSharedConfig bool) (envConfig, error) { cfg := envConfig{} cfg.EnableSharedConfig = enableSharedConfig - setFromEnvVal(&cfg.Creds.AccessKeyID, credAccessEnvKey) - setFromEnvVal(&cfg.Creds.SecretAccessKey, credSecretEnvKey) - setFromEnvVal(&cfg.Creds.SessionToken, credSessionEnvKey) + // Static environment credentials + var creds credentials.Value + setFromEnvVal(&creds.AccessKeyID, credAccessEnvKey) + setFromEnvVal(&creds.SecretAccessKey, credSecretEnvKey) + setFromEnvVal(&creds.SessionToken, credSessionEnvKey) + if creds.HasKeys() { + // Require logical grouping of credentials + creds.ProviderName = EnvProviderName + cfg.Creds = creds + } + + // Role Metadata + setFromEnvVal(&cfg.RoleARN, roleARNEnvKey) + setFromEnvVal(&cfg.RoleSessionName, roleSessionNameEnvKey) - // Require logical grouping of credentials - if len(cfg.Creds.AccessKeyID) == 0 || len(cfg.Creds.SecretAccessKey) == 0 { - cfg.Creds = credentials.Value{} - } else { - cfg.Creds.ProviderName = EnvProviderName + // Web identity environment variables + setFromEnvVal(&cfg.WebIdentityTokenFilePath, webIdentityTokenFilePathEnvKey) + + // CSM environment variables + setFromEnvVal(&cfg.csmEnabled, csmEnabledEnvKey) + setFromEnvVal(&cfg.CSMHost, csmHostEnvKey) + setFromEnvVal(&cfg.CSMPort, csmPortEnvKey) + setFromEnvVal(&cfg.CSMClientID, csmClientIDEnvKey) + + if len(cfg.csmEnabled) != 0 { + v, _ := strconv.ParseBool(cfg.csmEnabled) + cfg.CSMEnabled = &v } regionKeys := regionEnvKeys @@ -173,17 +278,66 @@ func envConfigLoad(enableSharedConfig bool) envConfig { setFromEnvVal(&cfg.Region, regionKeys) setFromEnvVal(&cfg.Profile, profileKeys) + // endpoint discovery is in reference to it being enabled. + setFromEnvVal(&cfg.enableEndpointDiscovery, enableEndpointDiscoveryEnvKey) + if len(cfg.enableEndpointDiscovery) > 0 { + cfg.EnableEndpointDiscovery = aws.Bool(cfg.enableEndpointDiscovery != "false") + } + setFromEnvVal(&cfg.SharedCredentialsFile, sharedCredsFileEnvKey) setFromEnvVal(&cfg.SharedConfigFile, sharedConfigFileEnvKey) + if len(cfg.SharedCredentialsFile) == 0 { + cfg.SharedCredentialsFile = defaults.SharedCredentialsFilename() + } + if len(cfg.SharedConfigFile) == 0 { + cfg.SharedConfigFile = defaults.SharedConfigFilename() + } + cfg.CustomCABundle = os.Getenv("AWS_CA_BUNDLE") - return cfg + var err error + // STS Regional Endpoint variable + for _, k := range stsRegionalEndpointKey { + if v := os.Getenv(k); len(v) != 0 { + cfg.STSRegionalEndpoint, err = endpoints.GetSTSRegionalEndpoint(v) + if err != nil { + return cfg, fmt.Errorf("failed to load, %v from env config, %v", k, err) + } + } + } + + // S3 Regional Endpoint variable + for _, k := range s3UsEast1RegionalEndpoint { + if v := os.Getenv(k); len(v) != 0 { + cfg.S3UsEast1RegionalEndpoint, err = endpoints.GetS3UsEast1RegionalEndpoint(v) + if err != nil { + return cfg, fmt.Errorf("failed to load, %v from env config, %v", k, err) + } + } + } + + var s3UseARNRegion string + setFromEnvVal(&s3UseARNRegion, s3UseARNRegionEnvKey) + if len(s3UseARNRegion) != 0 { + switch { + case strings.EqualFold(s3UseARNRegion, "false"): + cfg.S3UseARNRegion = false + case strings.EqualFold(s3UseARNRegion, "true"): + cfg.S3UseARNRegion = true + default: + return envConfig{}, fmt.Errorf( + "invalid value for environment variable, %s=%s, need true or false", + s3UseARNRegionEnvKey[0], s3UseARNRegion) + } + } + + return cfg, nil } func setFromEnvVal(dst *string, keys []string) { for _, k := range keys { - if v := os.Getenv(k); len(v) > 0 { + if v := os.Getenv(k); len(v) != 0 { *dst = v break } |