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package config |
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import ( |
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"net/http" |
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"github.com/aws/aws-sdk-go-v2/aws" |
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"github.com/aws/aws-sdk-go-v2/aws/external" |
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"github.com/evalphobia/aws-sdk-go-v2-wrapper/errors" |
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"github.com/evalphobia/aws-sdk-go-v2-wrapper/log" |
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) |
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const defaultRegion = "us-east-1" |
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// Config has AWS settings. |
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type Config struct { |
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Region string |
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CommonEndpoint string |
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Endpoints Endpoints |
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Logger log.Logger |
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EnableDefaultCreds bool |
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// Static Credentials |
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AccessKey string |
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SecretKey string |
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// File Credentials |
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Filename string |
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Profile string |
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// DefaultPrefix is used for service resource prefix |
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// e.g.) DynamoDB table, S3 bucket, SQS Queue |
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DefaultPrefix string |
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// Specific sevice's options |
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S3ForcePathStyle bool |
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// Custom Function to wrap errors. |
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ErrWrap func(errors.ErrorData) error |
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// Custom HTTP Client |
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CustomHTTPClient *http.Client |
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// Showing req/resp data when `true` (Cannot use with CustomHTTPClient) |
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UseDebugRequest bool |
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} |
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// AWSConfig creates *aws.Config object from the fields. |
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func (c Config) AWSConfig() (aws.Config, error) { |
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cfg, err := c.loadConfig() |
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if err != nil { |
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return cfg, err |
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} |
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region := c.getRegion() |
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if region != "" { |
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cfg.Region = region |
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} |
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if c.Logger != nil { |
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cfg.Logger = c.Logger |
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} |
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if c.CommonEndpoint != "" { |
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cfg.EndpointResolver = aws.ResolveWithEndpointURL(c.CommonEndpoint) |
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cfg.DisableEndpointHostPrefix = true |
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} |
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switch { |
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case c.CustomHTTPClient != nil: |
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cfg.HTTPClient = c.CustomHTTPClient |
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case c.UseDebugRequest: |
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cfg.HTTPClient = &http.Client{ |
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Transport: DefaultDebugTransport, |
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} |
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} |
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return cfg, nil |
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} |
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func (c Config) GetLogger() log.Logger { |
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if c.Logger != nil { |
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return c.Logger |
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} |
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return log.DefaultLogger |
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} |
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func (c Config) GetErrWrap() func(errors.ErrorData) error { |
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if c.ErrWrap != nil { |
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return c.ErrWrap |
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} |
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return errors.DefaultErrWrap |
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} |
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func (c Config) loadConfig() (aws.Config, error) { |
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if c.EnableDefaultCreds { |
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return external.LoadDefaultAWSConfig() |
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} |
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var opts []external.Config |
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if c.AccessKey != "" && c.SecretKey != "" { |
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opts = append(opts, external.WithCredentialsProvider{ |
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CredentialsProvider: aws.StaticCredentialsProvider{ |
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Value: aws.Credentials{ |
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AccessKeyID: c.AccessKey, |
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SecretAccessKey: c.SecretKey, |
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}, |
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}, |
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}) |
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} |
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if c.Profile != "" { |
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opts = append(opts, external.WithSharedConfigProfile(c.Profile)) |
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} |
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if c.Filename != "" { |
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opts = append(opts, external.WithSharedConfigFiles([]string{c.Filename})) |
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} |
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return external.LoadDefaultAWSConfig(opts...) |
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} |
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func (c Config) getRegion() string { |
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if c.Region != "" { |
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return c.Region |
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} |
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reg := EnvRegion() |
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if reg != "" { |
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return reg |
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} |
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return defaultRegion |
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} |
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