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components-contrib/internal/component/kafka/metadata_test.go

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/*
Copyright 2021 The Dapr Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package kafka
import (
"fmt"
"testing"
"time"
"github.com/Shopify/sarama"
"github.com/stretchr/testify/require"
"github.com/dapr/kit/logger"
)
var (
clientCertPemMock = `-----BEGIN CERTIFICATE-----
Y2xpZW50Q2VydA==
-----END CERTIFICATE-----`
clientKeyMock = `-----BEGIN RSA PRIVATE KEY-----
Y2xpZW50S2V5
-----END RSA PRIVATE KEY-----`
caCertMock = `-----BEGIN CERTIFICATE-----
Y2FDZXJ0
-----END CERTIFICATE-----`
)
func getKafka() *Kafka {
return &Kafka{logger: logger.NewLogger("kafka_test")}
}
func getBaseMetadata() map[string]string {
return map[string]string{"consumerGroup": "a", "clientID": "a", "brokers": "a", "disableTls": "true", "authType": mtlsAuthType, "maxMessageBytes": "2048"}
}
func getCompleteMetadata() map[string]string {
return map[string]string{
"consumerGroup": "a", "clientID": "a", "brokers": "a", "authType": mtlsAuthType, "maxMessageBytes": "2048",
skipVerify: "true", clientCert: clientCertPemMock, clientKey: clientKeyMock, caCert: caCertMock,
"consumeRetryInterval": "200",
}
}
func TestParseMetadata(t *testing.T) {
k := getKafka()
t.Run("default kafka version", func(t *testing.T) {
m := getCompleteMetadata()
meta, err := k.getKafkaMetadata(m)
require.NoError(t, err)
require.NotNil(t, meta)
assertMetadata(t, meta)
require.Equal(t, sarama.V2_0_0_0, meta.Version) //nolint:nosnakecase
})
t.Run("specific kafka version", func(t *testing.T) {
m := getCompleteMetadata()
m["version"] = "0.10.2.0"
meta, err := k.getKafkaMetadata(m)
require.NoError(t, err)
require.NotNil(t, meta)
assertMetadata(t, meta)
require.Equal(t, sarama.V0_10_2_0, meta.Version) //nolint:nosnakecase
})
t.Run("invalid kafka version", func(t *testing.T) {
m := getCompleteMetadata()
m["version"] = "not_valid_version"
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: invalid kafka version", err.Error())
})
}
func assertMetadata(t *testing.T, meta *kafkaMetadata) {
require.Equal(t, "a", meta.Brokers[0])
require.Equal(t, "a", meta.ConsumerGroup)
require.Equal(t, "a", meta.ClientID)
require.Equal(t, 2048, meta.MaxMessageBytes)
require.Equal(t, true, meta.TLSSkipVerify)
require.Equal(t, clientCertPemMock, meta.TLSClientCert)
require.Equal(t, clientKeyMock, meta.TLSClientKey)
require.Equal(t, caCertMock, meta.TLSCaCert)
require.Equal(t, 200*time.Millisecond, meta.ConsumeRetryInterval)
}
func TestMissingBrokers(t *testing.T) {
m := map[string]string{}
k := getKafka()
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: missing 'brokers' attribute", err.Error())
}
func TestMissingAuthType(t *testing.T) {
m := map[string]string{"brokers": "akfak.com:9092"}
k := getKafka()
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: missing 'authType' attribute", err.Error())
}
func TestMetadataUpgradeNoAuth(t *testing.T) {
m := map[string]string{"brokers": "akfak.com:9092", "authRequired": "false"}
k := getKafka()
upgraded, err := k.upgradeMetadata(m)
require.Nil(t, err)
require.Equal(t, noAuthType, upgraded["authType"])
}
func TestMetadataUpgradePasswordAuth(t *testing.T) {
k := getKafka()
m := map[string]string{"brokers": "akfak.com:9092", "authRequired": "true", "saslPassword": "sassapass"}
upgraded, err := k.upgradeMetadata(m)
require.Nil(t, err)
require.Equal(t, passwordAuthType, upgraded["authType"])
}
func TestMetadataUpgradePasswordMTLSAuth(t *testing.T) {
k := getKafka()
m := map[string]string{"brokers": "akfak.com:9092", "authRequired": "true"}
upgraded, err := k.upgradeMetadata(m)
require.Nil(t, err)
require.Equal(t, mtlsAuthType, upgraded["authType"])
}
func TestMissingSaslValues(t *testing.T) {
k := getKafka()
m := map[string]string{"brokers": "akfak.com:9092", "authType": "password"}
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, fmt.Sprintf("kafka error: missing SASL Username for authType '%s'", passwordAuthType), err.Error())
m["saslUsername"] = "sassafras"
meta, err = k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, fmt.Sprintf("kafka error: missing SASL Password for authType '%s'", passwordAuthType), err.Error())
}
func TestMissingSaslValuesOnUpgrade(t *testing.T) {
k := getKafka()
m := map[string]string{"brokers": "akfak.com:9092", "authRequired": "true", "saslPassword": "sassapass"}
upgraded, err := k.upgradeMetadata(m)
require.Nil(t, err)
meta, err := k.getKafkaMetadata(upgraded)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, fmt.Sprintf("kafka error: missing SASL Username for authType '%s'", passwordAuthType), err.Error())
}
func TestMissingOidcValues(t *testing.T) {
k := getKafka()
m := map[string]string{"brokers": "akfak.com:9092", "authType": oidcAuthType}
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, fmt.Sprintf("kafka error: missing OIDC Token Endpoint for authType '%s'", oidcAuthType), err.Error())
m["oidcTokenEndpoint"] = "https://sassa.fra/"
meta, err = k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, fmt.Sprintf("kafka error: missing OIDC Client ID for authType '%s'", oidcAuthType), err.Error())
m["oidcClientID"] = "sassafras"
meta, err = k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, fmt.Sprintf("kafka error: missing OIDC Client Secret for authType '%s'", oidcAuthType), err.Error())
// Check if missing scopes causes the default 'openid' to be used.
m["oidcClientSecret"] = "sassapass"
meta, err = k.getKafkaMetadata(m)
require.Nil(t, err)
require.Contains(t, meta.OidcScopes, "openid")
}
func TestPresentSaslValues(t *testing.T) {
k := getKafka()
m := map[string]string{
"brokers": "akfak.com:9092",
"authType": passwordAuthType,
"saslUsername": "sassafras",
"saslPassword": "sassapass",
}
meta, err := k.getKafkaMetadata(m)
require.NoError(t, err)
require.NotNil(t, meta)
require.Equal(t, "sassafras", meta.SaslUsername)
require.Equal(t, "sassapass", meta.SaslPassword)
}
func TestPresentOidcValues(t *testing.T) {
k := getKafka()
m := map[string]string{
"brokers": "akfak.com:9092",
"authType": oidcAuthType,
"oidcTokenEndpoint": "https://sassa.fras",
"oidcClientID": "sassafras",
"oidcClientSecret": "sassapass",
"oidcScopes": "akfak",
}
meta, err := k.getKafkaMetadata(m)
require.NoError(t, err)
require.NotNil(t, meta)
require.Equal(t, "https://sassa.fras", meta.OidcTokenEndpoint)
require.Equal(t, "sassafras", meta.OidcClientID)
require.Equal(t, "sassapass", meta.OidcClientSecret)
require.Contains(t, meta.OidcScopes, "akfak")
}
func TestInvalidAuthRequiredFlag(t *testing.T) {
m := map[string]string{"brokers": "akfak.com:9092", "authRequired": "maybe?????????????"}
k := getKafka()
_, err := k.upgradeMetadata(m)
require.Error(t, err)
require.Equal(t, "kafka error: invalid value for 'authRequired' attribute", err.Error())
}
func TestInitialOffset(t *testing.T) {
m := map[string]string{"consumerGroup": "a", "brokers": "a", "authRequired": "false", "initialOffset": "oldest"}
k := getKafka()
upgraded, err := k.upgradeMetadata(m)
require.NoError(t, err)
meta, err := k.getKafkaMetadata(upgraded)
require.NoError(t, err)
require.Equal(t, sarama.OffsetOldest, meta.InitialOffset)
m["initialOffset"] = "newest"
meta, err = k.getKafkaMetadata(m)
require.NoError(t, err)
require.Equal(t, sarama.OffsetNewest, meta.InitialOffset)
}
func TestTls(t *testing.T) {
k := getKafka()
t.Run("disable tls", func(t *testing.T) {
m := getBaseMetadata()
meta, err := k.getKafkaMetadata(m)
require.NoError(t, err)
require.NotNil(t, meta)
c := &sarama.Config{}
err = updateTLSConfig(c, meta)
require.NoError(t, err)
require.Equal(t, false, c.Net.TLS.Enable)
})
t.Run("wrong client cert format", func(t *testing.T) {
m := getBaseMetadata()
m[clientCert] = "clientCert"
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: invalid client certificate", err.Error())
})
t.Run("wrong client key format", func(t *testing.T) {
m := getBaseMetadata()
m[clientKey] = "clientKey"
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: invalid client key", err.Error())
})
t.Run("miss client key", func(t *testing.T) {
m := getBaseMetadata()
m[clientCert] = clientCertPemMock
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: clientKey or clientCert is missing", err.Error())
})
t.Run("miss client cert", func(t *testing.T) {
m := getBaseMetadata()
m[clientKey] = clientKeyMock
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: clientKey or clientCert is missing", err.Error())
})
t.Run("wrong ca cert format", func(t *testing.T) {
m := getBaseMetadata()
m[caCert] = "caCert"
meta, err := k.getKafkaMetadata(m)
require.Error(t, err)
require.Nil(t, meta)
require.Equal(t, "kafka error: invalid ca certificate", err.Error())
})
}
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