ClickHouseDB\Cluster::rescan()

Complexity

Conditions	10
Paths	792

Size

Total Lines	104
Code Lines	57

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	110

Importance

Changes	7
Bugs	0	Features	1

<?php
    public function rescan()
    {
        $this->error = [];
        /*
         * 1) Get the IP list
         * 2) To each connect via IP, through activeClient replacing host on ip
         * 3) We get information system.clusters + system.replicas from each machine, overwrite {DnsCache + timeOuts}
         * 4) Determine the necessary machines for the cluster / replica
         * 5) .... ?
         */
        $statementsReplicas = [];
        $statementsClusters = [];
        $result = [];

Equals sign not aligned with surrounding assignments; expected 13 spaces but found 1 space

        $badNodes = [];

Equals sign not aligned with surrounding assignments; expected 5 spaces but found 1 space

        $replicasIsOk = true;

        foreach ($this->nodes as $node) {

Expected 1 lines after "foreach", found 0.

            $this->defaultClient()->setHost($node);

Functions must not contain multiple empty lines in a row; found 4 empty lines

            $statementsReplicas[$node] = $this->defaultClient()->selectAsync($this->getSelectSystemReplicas());
            $statementsClusters[$node] = $this->defaultClient()->selectAsync('SELECT * FROM system.clusters');
            // пересетапим timeout
            $statementsReplicas[$node]->getRequest()->setDnsCache(0)->timeOut($this->scanTimeOut)->connectTimeOut($this->scanTimeOut);
            $statementsClusters[$node]->getRequest()->setDnsCache(0)->timeOut($this->scanTimeOut)->connectTimeOut($this->scanTimeOut);
        }
        $this->defaultClient()->executeAsync();
        $tables = [];

        foreach ($this->nodes as $node) {

Blank line found at start of control structure

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            try {

Expected 1 lines after "try", found 0.

                $r = $statementsReplicas[$node]->rows();
                foreach ($r as $row) {

Expected 1 lines after "foreach", found 0.

                    $tables[$row['database']][$row['table']][$node] = $row;
                }
                $result['replicas'][$node] = $r;
            }catch (\Exception $E) {

Referencing general \Exception; use \Throwable instead.

Class \Exception should not be referenced via a fully qualified name, but via a use statement.

The variable $E should be in camel caps format.

                $result['replicas'][$node] = false;
                $badNodes[$node] = $E->getMessage();

Equals sign not aligned with surrounding assignments; expected 11 spaces but found 1 space

The variable $E should be in camel caps format.

                $this->error[] = 'statementsReplicas:' . $E->getMessage();

Equals sign not aligned with surrounding assignments; expected 13 spaces but found 1 space

The variable $E should be in camel caps format.

            }
            // ---------------------------------------------------------------------------------------------------
            $hosts = [];

            try {

Expected 1 lines after "try", found 0.

                $c = $statementsClusters[$node]->rows();

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                $result['clusters'][$node] = $c;
                foreach ($c as $row) {

Expected 0 lines after "foreach", found 1.

                    $hosts[$row['host_address']][$row['port']] = $row['host_name'];

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                    $result['cluster.list'][$row['cluster']][$row['host_address']] =
                        [
                            'shard_weight' => $row['shard_weight'],
                            'replica_num' => $row['replica_num'],
                            'shard_num' => $row['shard_num'],
                            'is_local' => $row['is_local']

Multi-line arrays must have a trailing comma after the last element.

                        ];
                }

Blank line found at end of control structure

            }catch (\Exception $E) {

Referencing general \Exception; use \Throwable instead.

Class \Exception should not be referenced via a fully qualified name, but via a use statement.

The variable $E should be in camel caps format.

                $result['clusters'][$node] = false;

                $this->error[] = 'clusters:' . $E->getMessage();

Equals sign not aligned with surrounding assignments; expected 3 spaces but found 1 space

The variable $E should be in camel caps format.

                $badNodes[$node] = $E->getMessage();

The variable $E should be in camel caps format.

Blank line found at end of control structure

            }
            $this->hostsnames = $hosts;
            $this->tables = $tables;

Equals sign not aligned with surrounding assignments; expected 5 spaces but found 1 space

            // ---------------------------------------------------------------------------------------------------
            // Let's check that replication goes well
            $rIsOk = $this->isReplicasWork($result['replicas'][$node]);

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            $result['replicasIsOk'][$node] = $rIsOk;
            if (!$rIsOk) {

Expected 1 space after NOT operator; 0 found

                $replicasIsOk = false;
            }
            // ---------------------------------------------------------------------------------------------------
        }

        // badNodes = array(6) {  '222.222.222.44' =>  string(13) "HttpCode:0 ; " , '222.222.222.11' =>  string(13) "HttpCode:0 ; "
        $this->badNodes = $badNodes;

        // Restore DNS host name on ch_client
        $this->defaultClient()->setHost($this->defaultHostName);

Functions must not contain multiple empty lines in a row; found 2 empty lines

        $this->isScaned = true;

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        $this->replicasIsOk = $replicasIsOk;
        $this->error[] = "Bad replicasIsOk, in " . json_encode($result['replicasIsOk']);

Equals sign not aligned with surrounding assignments; expected 6 spaces but found 1 space

The string literal Bad replicasIsOk, in does not require double quotes, as per coding-style, please use single quotes.

Function json_encode() should not be referenced via a fallback global name, but via a use statement.

        // ------------------------------------------------
        // @todo : To specify on fighting falls and at different-sided configurations ...
        if (sizeof($this->badNodes)) {

Function sizeof() should not be referenced via a fallback global name, but via a use statement.

The use of function sizeof() is forbidden; use count() instead

Expected 1 lines after "if", found 0.

            $this->error[] = 'Have bad node : ' . json_encode($this->badNodes);

Equals sign not aligned with surrounding assignments; expected 6 spaces but found 1 space

Function json_encode() should not be referenced via a fallback global name, but via a use statement.

            $this->replicasIsOk = false;
        }
        if (!sizeof($this->error)) {

Function sizeof() should not be referenced via a fallback global name, but via a use statement.

The use of function sizeof() is forbidden; use count() instead

Expected 1 lines after "if", found 0.

Expected 1 space after NOT operator; 0 found

            $this->error = false;
        }
        $this->resultScan = $result;
        // @todo  : We connect to everyone in the DNS list, we need to decry that the requests were returned by all the hosts to which we connected
        return $this;

Expected 1 lines before "return", found 0.

    }