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Add PostgreSQL notifier (#2739) (#2824)

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* The user is required to specify a table name and database connection
  information in the configuration file.

* INSERTs and DELETEs are done via prepared statements for speed.

* Assumes a table structure, and requires PostgreSQL 9.5 or above due to
  the use of UPSERT.

* Creates the table if it does not exist with the given table name using
  a query like:

    CREATE TABLE myminio (
        key varchar PRIMARY KEY,
        value JSONB
    );

* Vendors some required libraries.
This commit is contained in:
Aditya Manthramurthy
2016-10-03 17:29:55 -07:00
committed by Harshavardhana
parent 4f902d42b2
commit 315e66858c
28 changed files with 6068 additions and 46 deletions
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18
cmd/bucket-notification-utils.go
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@@ -149,11 +149,12 @@ func isMinioSNSConfigured(topicARN string, topicConfigs []topicConfig) bool {
// Validate if we recognize the queue type.
func isValidQueue(sqsARN arnSQS) bool {
amqpQ := isAMQPQueue(sqsARN) // Is amqp queue?.
natsQ := isNATSQueue(sqsARN) // Is nats queue?.
elasticQ := isElasticQueue(sqsARN) // Is elastic queue?.
redisQ := isRedisQueue(sqsARN) // Is redis queue?.
return amqpQ || natsQ || elasticQ || redisQ
amqpQ := isAMQPQueue(sqsARN) // Is amqp queue?
natsQ := isNATSQueue(sqsARN) // Is nats queue?
elasticQ := isElasticQueue(sqsARN) // Is elastic queue?
redisQ := isRedisQueue(sqsARN) // Is redis queue?
postgresQ := isPostgreSQLQueue(sqsARN) // Is postgres queue?
return amqpQ || natsQ || elasticQ || redisQ || postgresQ
}
// Validate if we recognize the topic type.
@@ -178,6 +179,10 @@ func isValidQueueID(queueARN string) bool {
} else if isRedisQueue(sqsARN) { // Redis queue.
redisN := serverConfig.GetRedisNotifyByID(sqsARN.AccountID)
return redisN.Enable && redisN.Addr != ""
} else if isPostgreSQLQueue(sqsARN) {
pgN := serverConfig.GetPostgreSQLNotifyByID(sqsARN.AccountID)
// Postgres can work with only default conn. info.
return pgN.Enable
}
return false
}
@@ -354,6 +359,7 @@ func unmarshalTopicARN(topicARN string) arnTopic {
// - nats
// - elasticsearch
// - redis
// - postgresql
func unmarshalSqsARN(queueARN string) (mSqs arnSQS) {
mSqs = arnSQS{}
if !strings.HasPrefix(queueARN, minioSqs+serverConfig.GetRegion()+":") {
@@ -369,6 +375,8 @@ func unmarshalSqsARN(queueARN string) (mSqs arnSQS) {
mSqs.Type = queueTypeElastic
case strings.HasSuffix(sqsType, queueTypeRedis):
mSqs.Type = queueTypeRedis
case strings.HasSuffix(sqsType, queueTypePostgreSQL):
mSqs.Type = queueTypePostgreSQL
} // Add more queues here.
mSqs.AccountID = strings.TrimSuffix(sqsType, ":"+mSqs.Type)
return mSqs