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Cassandra_scaler improvement #4079

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Cassandra_scaler improvement #4079

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12 changes: 3 additions & 9 deletions pkg/scalers/cassandra_scaler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,6 @@ import (
"fmt"
"net"
"strconv"
"strings"

"github.com/go-logr/logr"
"github.com/gocql/gocql"
Expand Down Expand Up @@ -107,17 +106,12 @@ func parseCassandraMetadata(config *ScalerConfig) (*CassandraMetadata, error) {
return nil, fmt.Errorf("port parsing error %w", err)
}
meta.port = port
} else {
return nil, fmt.Errorf("no port given")
}

if val, ok := config.TriggerMetadata["clusterIPAddress"]; ok {
switch p := meta.port; {
case p > 0:
meta.clusterIPAddress = net.JoinHostPort(val, fmt.Sprintf("%d", meta.port))
case strings.Contains(val, ":"):
meta.clusterIPAddress = val
default:
return nil, fmt.Errorf("no port given")
}
meta.clusterIPAddress = net.JoinHostPort(val, fmt.Sprintf("%d", meta.port))
} else {
return nil, fmt.Errorf("no cluster IP address given")
}
Expand Down
12 changes: 6 additions & 6 deletions pkg/scalers/cassandra_scaler_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,21 +26,21 @@ var testCassandraMetadata = []parseCassandraMetadataTestData{
// everything is passed in verbatim
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "port": "9042", "clusterIPAddress": "cassandra.test", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, false, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no metricName passed, metricName is generated from keyspace
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "clusterIPAddress": "cassandra.test:9042", "keyspace": "test_keyspace", "ScalerIndex": "0"}, false, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "port": "9042", "clusterIPAddress": "cassandra.test", "keyspace": "test_keyspace", "ScalerIndex": "0"}, false, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no query passed
{map[string]string{"targetQueryValue": "1", "username": "cassandra", "clusterIPAddress": "cassandra.test:9042", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
{map[string]string{"targetQueryValue": "1", "username": "cassandra", "port": "9042", "clusterIPAddress": "cassandra.test", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no targetQueryValue passed
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "username": "cassandra", "clusterIPAddress": "cassandra.test:9042", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "username": "cassandra", "port": "9042", "clusterIPAddress": "cassandra.test", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no username passed
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "clusterIPAddress": "cassandra.test:9042", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "port": "9042", "clusterIPAddress": "cassandra.test", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no port passed
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "clusterIPAddress": "cassandra.test", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no clusterIPAddress passed
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "port": "9042", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no keyspace passed
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "clusterIPAddress": "cassandra.test:9042", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "port": "9042", "clusterIPAddress": "cassandra.test", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{"password": "Y2Fzc2FuZHJhCg=="}},
// no password passed
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "clusterIPAddress": "cassandra.test:9042", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{}},
{map[string]string{"query": "SELECT COUNT(*) FROM test_keyspace.test_table;", "targetQueryValue": "1", "username": "cassandra", "port": "9042", "clusterIPAddress": "cassandra.test", "keyspace": "test_keyspace", "ScalerIndex": "0", "metricName": "myMetric"}, true, map[string]string{}},
}

var cassandraMetricIdentifiers = []cassandraMetricIdentifier{
Expand Down