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feat: add iam authentication for postgres (#1134)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package iam | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/aws/aws-sdk-go-v2/aws" | ||
| "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/spf13/pflag" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
|
||
| const ( | ||
| AWSRegionFlag = "aws-region" | ||
| AWSAccessKeyIDFlag = "aws-access-key-id" | ||
| AWSSecretAccessKeyFlag = "aws-secret-access-key" | ||
| AWSSessionTokenFlag = "aws-session-token" | ||
| AWSProfileFlag = "aws-profile" | ||
| ) | ||
|
|
||
| func InitFlags(flags *pflag.FlagSet) { | ||
| flags.String(AWSRegionFlag, "", "Specify AWS region") | ||
| flags.String(AWSAccessKeyIDFlag, "", "AWS access key id") | ||
| flags.String(AWSSecretAccessKeyFlag, "", "AWS secret access key") | ||
| flags.String(AWSSessionTokenFlag, "", "AWS session token") | ||
| flags.String(AWSProfileFlag, "", "AWS profile") | ||
| } | ||
|
|
||
| func LoadOptionFromViper(v *viper.Viper) func(opts *config.LoadOptions) error { | ||
| return func(opts *config.LoadOptions) error { | ||
| if v.GetString(AWSAccessKeyIDFlag) != "" { | ||
| opts.Credentials = aws.CredentialsProviderFunc(func(ctx context.Context) (aws.Credentials, error) { | ||
| return aws.Credentials{ | ||
| AccessKeyID: v.GetString(AWSAccessKeyIDFlag), | ||
| SecretAccessKey: v.GetString(AWSSecretAccessKeyFlag), | ||
| SessionToken: v.GetString(AWSSessionTokenFlag), | ||
| Source: "flags", | ||
| }, nil | ||
| }) | ||
| } | ||
| opts.Region = v.GetString(AWSRegionFlag) | ||
| opts.SharedConfigProfile = v.GetString(AWSProfileFlag) | ||
|
|
||
| return nil | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package bunconnect | ||
|
|
||
| import ( | ||
| "context" | ||
| "database/sql/driver" | ||
| "github.com/aws/aws-sdk-go-v2/config" | ||
| "github.com/formancehq/stack/libs/go-libs/aws/iam" | ||
| "github.com/lib/pq" | ||
| "github.com/spf13/pflag" | ||
| "github.com/spf13/viper" | ||
| "io" | ||
| "time" | ||
| ) | ||
|
|
||
| const ( | ||
| PostgresURIFlag = "postgres-uri" | ||
| PostgresAWSEnableIAMFlag = "postgres-aws-enable-iam" | ||
| PostgresMaxIdleConnsFlag = "postgres-max-idle-conns" | ||
| PostgresMaxOpenConnsFlag = "postgres-max-open-conns" | ||
| PostgresConnMaxIdleTimeFlag = "postgres-conn-max-idle-time" | ||
| ) | ||
|
|
||
| func InitFlags(flags *pflag.FlagSet) { | ||
| flags.String(PostgresURIFlag, "", "Postgres URI") | ||
| flags.Bool(PostgresAWSEnableIAMFlag, false, "Enable AWS IAM authentication") | ||
| flags.Int(PostgresMaxIdleConnsFlag, 0, "Max Idle connections") | ||
| flags.Duration(PostgresConnMaxIdleTimeFlag, time.Minute, "Max Idle time for connections") | ||
| flags.Int(PostgresMaxOpenConnsFlag, 20, "Max opened connections") | ||
| } | ||
|
|
||
| func ConnectionOptionsFromFlags(v *viper.Viper, output io.Writer, debug bool) (*ConnectionOptions, error) { | ||
| var connector func(string) (driver.Connector, error) | ||
| if v.GetBool(PostgresAWSEnableIAMFlag) { | ||
| cfg, err := config.LoadDefaultConfig(context.Background(), iam.LoadOptionFromViper(v)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| connector = func(s string) (driver.Connector, error) { | ||
| return &iamConnector{ | ||
| dsn: s, | ||
| driver: &iamDriver{ | ||
| awsConfig: cfg, | ||
| }, | ||
| }, nil | ||
| } | ||
| } else { | ||
| connector = func(dsn string) (driver.Connector, error) { | ||
| return pq.NewConnector(dsn) | ||
| } | ||
| } | ||
| return &ConnectionOptions{ | ||
| DatabaseSourceName: v.GetString(PostgresURIFlag), | ||
| Debug: debug, | ||
| Writer: output, | ||
| MaxIdleConns: v.GetInt(PostgresMaxIdleConnsFlag), | ||
| ConnMaxIdleTime: v.GetDuration(PostgresConnMaxIdleTimeFlag), | ||
| MaxOpenConns: v.GetInt(PostgresMaxOpenConnsFlag), | ||
| Connector: connector, | ||
| }, nil | ||
| } |
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