71 lines
1.8 KiB
PHP
71 lines
1.8 KiB
PHP
<?php
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/**
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* Shows how to write data to InfluxDB via default API using Point structure or line protocol
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*/
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require __DIR__ . '/../vendor/autoload.php';
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use InfluxDB2\Client;
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use InfluxDB2\Point;
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//
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// Creating client
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//
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$client = new Client([
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"url" => "http://localhost:8086",
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"token" => "my-token",
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"bucket" => "my-bucket",
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"org" => "my-org",
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"precision" => InfluxDB2\Model\WritePrecision::S
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]);
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//
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// Function for checking results
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//
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function checkResult(string $filterName, Client $client, string $comment)
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{
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$query = "from(bucket: \"my-bucket\")
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|> range(start: 0)
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|> filter(fn: (r) => r[\"location\"] == \"$filterName\")";
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$queryApi = $client->createQueryApi();
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$result = $queryApi->query($query);
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printf("\n\n----------------------- $comment -----------------------\n\n");
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foreach ($result as $table) {
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foreach ($table->records as $record) {
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$location = $record["location"];
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$temperature = $record->getValue();
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$measurement = $record->getMeasurement();
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$dateTime = $record->getTime();
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print "$measurement: Temperature in $location at $dateTime is $temperature °C\n";
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}
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}
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}
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//
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// Write data to InfluxDB using point structure
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//
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$writeApi = $client->createWriteApi();
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$dateTimeNow = new DateTime('NOW');
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$point = Point::measurement("weather")
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->addTag("location", "Denver")
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->addField("temperature", rand(0, 20))
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->time($dateTimeNow->getTimestamp());
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$writeApi->write($point);
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checkResult("Denver", $client, "Write using point structure");
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//
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// Write data to InfluxDB using line protocol
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//
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$seconds = time();
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$temp = rand(-5, 15)."i";
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$writeApi->write("weather,location=Berlin temperature=$temp $seconds");
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$writeApi->close();
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checkResult("Berlin", $client, "Write using line protocol");
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$client->close();
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