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br: Support backup replica read (#40899)
ref #40898
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25 changes: 25 additions & 0 deletions
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br/tests/br_replica_read/placement_rule_with_learner_template.json
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[ | ||
{ | ||
"group_id": "pd", | ||
"group_index": 0, | ||
"group_override": false, | ||
"rules": [ | ||
{ | ||
"group_id": "pd", | ||
"id": "default", | ||
"start_key": "", | ||
"end_key": "", | ||
"role": "voter", | ||
"count": 2 | ||
}, | ||
{ | ||
"group_id": "pd", | ||
"id": "learner", | ||
"start_key": "", | ||
"end_key": "", | ||
"role": "learner", | ||
"count": 1 | ||
} | ||
] | ||
} | ||
] |
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#!/bin/sh | ||
# | ||
# Copyright 2023 PingCAP, Inc. | ||
# | ||
# Licensed under the Apache License, Version 2.0 (the "License"); | ||
# you may not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, software | ||
# distributed under the License is distributed on an "AS IS" BASIS, | ||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
# See the License for the specific language governing permissions and | ||
# limitations under the License. | ||
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set -eu | ||
DB="$TEST_NAME" | ||
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VOTER_COUNT=$((TIKV_COUNT-1)) | ||
if [ "$VOTER_COUNT" -lt "1" ];then | ||
echo "Skip test because there is no enough tikv" | ||
exit 0 | ||
fi | ||
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# set random store to read only | ||
random_store_id=$(run_pd_ctl -u https://$PD_ADDR store | jq 'first(.stores[]|select(.store.labels|(.!= null and any(.key == "engine" and .value=="tiflash"))| not)|.store.id)') | ||
echo "random store id: $random_store_id" | ||
run_pd_ctl -u https://$PD_ADDR store label $random_store_id '$mode' 'read_only' | ||
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# set placement rule to add a learner replica for each region in the read only store | ||
run_pd_ctl -u https://$PD_ADDR config placement-rules rule-bundle load --out=$TEST_DIR/default_rules.json | ||
cat tests/br_replica_read/placement_rule_with_learner_template.json | jq ".[].rules[0].count = $VOTER_COUNT" > $TEST_DIR/placement_rule_with_learner.json | ||
run_pd_ctl -u https://$PD_ADDR config placement-rules rule-bundle save --in $TEST_DIR/placement_rule_with_learner.json | ||
sleep 3 # wait for PD to apply the placement rule | ||
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run_sql "CREATE DATABASE $DB;" | ||
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run_sql "CREATE TABLE $DB.usertable1 ( \ | ||
YCSB_KEY varchar(64) NOT NULL, \ | ||
FIELD0 varchar(1) DEFAULT NULL, \ | ||
PRIMARY KEY (YCSB_KEY) \ | ||
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;" | ||
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run_sql "INSERT INTO $DB.usertable1 VALUES (\"a\", \"b\");" | ||
run_sql "INSERT INTO $DB.usertable1 VALUES (\"aa\", \"b\");" | ||
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run_sql "CREATE TABLE $DB.usertable2 ( \ | ||
YCSB_KEY varchar(64) NOT NULL, \ | ||
FIELD0 varchar(1) DEFAULT NULL, \ | ||
PRIMARY KEY (YCSB_KEY) \ | ||
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;" | ||
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run_sql "INSERT INTO $DB.usertable2 VALUES (\"c\", \"d\");" | ||
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# backup db | ||
echo "backup start..." | ||
run_br -u https://$PD_ADDR backup db --db "$DB" -s "local://$TEST_DIR/$DB" --replica-read-label '$mode:read_only' | ||
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run_sql "DROP DATABASE $DB;" | ||
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# restore db | ||
echo "restore start..." | ||
run_br restore db --db $DB -s "local://$TEST_DIR/$DB" -u https://$PD_ADDR | ||
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run_sql "select count(*) from $DB.usertable1;" | ||
table1_count=$(read_result) | ||
echo "table1 count: $table1_count" | ||
if [ "$table1_count" -ne "2" ];then | ||
echo "TEST: [$TEST_NAME] failed!" | ||
exit 1 | ||
fi | ||
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run_sql "select count(*) from $DB.usertable2;" | ||
table2_count=$(read_result) | ||
echo "table2 count: $table2_count" | ||
if [ "$table2_count" -ne "1" ];then | ||
echo "TEST: [$TEST_NAME] failed!" | ||
exit 1 | ||
fi | ||
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# Test BR DDL query string | ||
echo "testing DDL query..." | ||
run_curl https://$TIDB_STATUS_ADDR/ddl/history | grep -E '/\*from\(br\)\*/CREATE TABLE' | ||
run_curl https://$TIDB_STATUS_ADDR/ddl/history | grep -E '/\*from\(br\)\*/CREATE DATABASE' | ||
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run_sql "DROP DATABASE $DB;" | ||
run_pd_ctl -u https://$PD_ADDR store label $random_store_id '$mode' '' | ||
run_pd_ctl -u https://$PD_ADDR config placement-rules rule-bundle save --in $TEST_DIR/default_rules.json |