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Add cassandra TLS support (cadence-workflow#2769)
* Consolidate duplicate Cassandra setup and config into a new common/cassandra package * Add TLS support for Cassandra * Add TLS flags to cadence-cassandra-tool * Combine TLS config structs into new common auth.TLS * Add more TLS options: - CaFile - EnableHostVerification - Remove TLS bundleFile option in favor of caFile option
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| // Copyright (c) 2017 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
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| package auth | ||
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| type ( | ||
| // TLS describe TLS configuration (for Kafka, Cassandra) | ||
| TLS struct { | ||
| Enabled bool `yaml:"enabled"` | ||
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| // CertPath and KeyPath are optional depending on server | ||
| // config, but both fields must be omitted to avoid using a | ||
| // client certificate | ||
| CertFile string `yaml:"certFile"` | ||
| KeyFile string `yaml:"keyFile"` | ||
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| CaFile string `yaml:"caFile"` //optional depending on server config | ||
| // If you want to verify the hostname and server cert (like a wildcard for cass cluster) then you should turn this on | ||
| // This option is basically the inverse of InSecureSkipVerify | ||
| // See InSecureSkipVerify in http://golang.org/pkg/crypto/tls/ for more info | ||
| EnableHostVerification bool `yaml:"enableHostVerification"` | ||
| } | ||
| ) |
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| @@ -0,0 +1,79 @@ | ||
| // Copyright (c) 2017 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
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| package cassandra | ||
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| import ( | ||
| "strings" | ||
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| "github.com/gocql/gocql" | ||
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| "github.com/uber/cadence/common/service/config" | ||
| ) | ||
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| // NewCassandraCluster creates a cassandra cluster from a given configuration | ||
| func NewCassandraCluster(cfg config.Cassandra) *gocql.ClusterConfig { | ||
| hosts := parseHosts(cfg.Hosts) | ||
| cluster := gocql.NewCluster(hosts...) | ||
| cluster.ProtoVersion = 4 | ||
| if cfg.Port > 0 { | ||
| cluster.Port = cfg.Port | ||
| } | ||
| if cfg.User != "" && cfg.Password != "" { | ||
| cluster.Authenticator = gocql.PasswordAuthenticator{ | ||
| Username: cfg.User, | ||
| Password: cfg.Password, | ||
| } | ||
| } | ||
| if cfg.Keyspace != "" { | ||
| cluster.Keyspace = cfg.Keyspace | ||
| } | ||
| if cfg.Consistency != "" { | ||
| cluster.Consistency = gocql.ParseConsistency(cfg.Consistency) | ||
| } | ||
| if cfg.Datacenter != "" { | ||
| cluster.HostFilter = gocql.DataCentreHostFilter(cfg.Datacenter) | ||
| } | ||
| if cfg.TLS != nil && cfg.TLS.Enabled { | ||
| cluster.SslOpts = &gocql.SslOptions{ | ||
| CertPath: cfg.TLS.CertFile, | ||
| KeyPath: cfg.TLS.KeyFile, | ||
| CaPath: cfg.TLS.CaFile, | ||
| EnableHostVerification: cfg.TLS.EnableHostVerification, | ||
| } | ||
| } | ||
| if cfg.MaxConns > 0 { | ||
| cluster.NumConns = cfg.MaxConns | ||
| } | ||
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| cluster.PoolConfig.HostSelectionPolicy = gocql.TokenAwareHostPolicy(gocql.RoundRobinHostPolicy()) | ||
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| return cluster | ||
| } | ||
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| func parseHosts(input string) []string { | ||
| var hosts = make([]string, 0) | ||
| for _, h := range strings.Split(input, ",") { | ||
| if host := strings.TrimSpace(h); len(host) > 0 { | ||
| hosts = append(hosts, host) | ||
| } | ||
| } | ||
| return hosts | ||
| } |
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