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Add test to check DNS profile events

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This commit is contained in:
Raúl Marín 2022-04-06 11:09:08 +02:00
parent 060f5118f0
commit 9e7ffcce59
2 changed files with 19 additions and 0 deletions
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2
tests/queries/0_stateless/02265_test_dns_profile_events.reference Normal file
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first_check 1
second_check 1

17
tests/queries/0_stateless/02265_test_dns_profile_events.sh Executable file
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#!/usr/bin/env bash
# Tags: no-parallel
CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CUR_DIR"/../shell_config.sh
current_dns_errors=$($CLICKHOUSE_CLIENT --query "SELECT sum(value) FROM system.events where event = 'DNSError';")
${CLICKHOUSE_CLIENT} --query "SELECT * FROM remote('ThisHostNameDoesNotExistSoItShouldFail', system, one)" 2>/dev/null
${CLICKHOUSE_CLIENT} --query "SELECT 'first_check', sum(value) > ${current_dns_errors} FROM system.events where event = 'DNSError';"
current_dns_errors=$($CLICKHOUSE_CLIENT --query "SELECT sum(value) FROM system.events where event = 'DNSError';")
${CLICKHOUSE_CLIENT} --query "SELECT * FROM remote('ThisHostNameDoesNotExistSoItShouldFail2', system, one)" 2>/dev/null
${CLICKHOUSE_CLIENT} --query "SELECT 'second_check', sum(value) > ${current_dns_errors} FROM system.events where event = 'DNSError';"
${CLICKHOUSE_CLIENT} --query "SYSTEM DROP DNS CACHE"