Jcrespo has uploaded a new change for review. ( https://gerrit.wikimedia.org/r/338329 )
Change subject: Testing new commit ...................................................................... Testing new commit Change-Id: Ib5217a15793461da8137223c853bf82a996eb6dc --- A dbtools/generate_dsns_table.sh 1 file changed, 35 insertions(+), 0 deletions(-) git pull ssh://gerrit.wikimedia.org:29418/operations/software refs/changes/29/338329/1 diff --git a/dbtools/generate_dsns_table.sh b/dbtools/generate_dsns_table.sh new file mode 100755 index 0000000..59d86b0 --- /dev/null +++ b/dbtools/generate_dsns_table.sh @@ -0,0 +1,35 @@ +#!/bin/bash + +# The dsns tables are used by pt-table-checksum as another method to +# discover slaves instead of "show processlist". +# +# We are using this method in order to tell pt-table-checksum which slaves +# it should look for, so we can discard dbstores and sanitarium hosts +# which might be delayed and then would stop the check forever. +# +# This quick and small shell script just parses the output from *.hosts +# files to identify the slaves, remove the dbstore or sanitarium ones, as +# well as the primary master and builds the syntax to run on mysql to +# populate the dsns tables. +# +# The dsns tables live under the dsns database on Tendril hosts. +# There is one table per shard at the moment. + +set -e + +if [ $# -eq 0 ] +then + echo "Usage: generate_dsns_table.sh shard_number" + echo "Example: generate_dsns_table.sh s1" + echo "Valid shards: m3,s1,s2,s3,s4,s5,s6,s7,s8" + exit 1 +fi +SHARD="$1" +HOST_FILE_PATH="/home/marostegui/git/software/dbtools/" +FILE="$SHARD.hosts" +for i in $(cat "$HOST_FILE_PATH/$FILE" | grep "^db" | egrep -v "dbstore*|db1095|db1069" | cut -d " " -f1 | head -n-1) +# The master is delete from the list of hosts as it is not a slave that needs to be checked +do + echo "insert into dsns.dsns_$SHARD (dsn) values (\"h=$i,u=root\");"; +done +echo "-- The master is not included on this list as this is only for slaves to be checked" -- To view, visit https://gerrit.wikimedia.org/r/338329 To unsubscribe, visit https://gerrit.wikimedia.org/r/settings Gerrit-MessageType: newchange Gerrit-Change-Id: Ib5217a15793461da8137223c853bf82a996eb6dc Gerrit-PatchSet: 1 Gerrit-Project: operations/software Gerrit-Branch: master Gerrit-Owner: Jcrespo <jcre...@wikimedia.org> _______________________________________________ MediaWiki-commits mailing list MediaWiki-commits@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-commits
