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pulsarclient.go
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pulsarclient.go
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package pulsarutils
import (
"fmt"
"strings"
"github.com/apache/pulsar-client-go/pulsar"
"github.com/pkg/errors"
"github.com/G-Research/armada/internal/armada/configuration"
"github.com/G-Research/armada/internal/common/armadaerrors"
)
func NewPulsarClient(config *configuration.PulsarConfig) (pulsar.Client, error) {
var authentication pulsar.Authentication
// Sanity check that supplied Pulsar authentication parameters make sense
if config.AuthenticationEnabled {
if strings.ToLower(config.AuthenticationType) != "jwt" {
return nil, errors.WithStack(&armadaerrors.ErrInvalidArgument{
Name: "pulsar.AuthenticationType",
Value: config.AuthenticationType,
Message: "Only JWT Authentication for Pulsar is supported right now.",
})
}
if strings.TrimSpace(config.JwtTokenPath) == "" {
return nil, errors.WithStack(&armadaerrors.ErrInvalidArgument{
Name: "pulsar.JwtTokenPath",
Value: config.JwtTokenPath,
Message: "JWT authentication was configured for Pulsar but no JwtTokenPath was supplied",
})
}
authentication = pulsar.NewAuthenticationTokenFromFile(config.JwtTokenPath)
}
return pulsar.NewClient(pulsar.ClientOptions{
URL: config.URL,
TLSTrustCertsFilePath: config.TLSTrustCertsFilePath,
TLSValidateHostname: config.TLSValidateHostname,
TLSAllowInsecureConnection: config.TLSAllowInsecureConnection,
MaxConnectionsPerBroker: config.MaxConnectionsPerBroker,
Authentication: authentication,
})
}
func ParsePulsarCompressionType(compressionTypeStr string) (pulsar.CompressionType, error) {
switch strings.ToLower(compressionTypeStr) {
case "", "none":
return pulsar.NoCompression, nil
case "lz4":
return pulsar.LZ4, nil
case "zlib":
return pulsar.ZLib, nil
case "zstd":
return pulsar.ZSTD, nil
default:
return pulsar.NoCompression, errors.WithStack(&armadaerrors.ErrInvalidArgument{
Name: "pulsar.CompressionType",
Value: compressionTypeStr,
Message: fmt.Sprintf("Unknown Pulsar compression type %s", compressionTypeStr),
})
}
}
func ParsePulsarCompressionLevel(compressionLevelStr string) (pulsar.CompressionLevel, error) {
switch strings.ToLower(compressionLevelStr) {
case "", "default":
return pulsar.Default, nil
case "faster":
return pulsar.Faster, nil
case "better":
return pulsar.Better, nil
default:
return pulsar.Default, errors.WithStack(&armadaerrors.ErrInvalidArgument{
Name: "pulsar.CompressionLevel",
Value: compressionLevelStr,
Message: fmt.Sprintf("Unknown Pulsar compression level %s", compressionLevelStr),
})
}
}