74f5eb2ce9
This tool was used while building the compact-db-migrations-wallaby series during Wallaby [1]. It might be helpful in the future, so commit it now. Change-Id: Idd556fac96ce621ad095862597c4f11851852fed Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
124 lines
2.5 KiB
Bash
Executable File
124 lines
2.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Script to generate schemas for the various versions.
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#
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# Some setup is required, similar to the opportunistic tests.
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#
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# MySQL ->
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#
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# $ mysql -uroot
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# MariaDB [(none)]> CREATE DATABASE nova
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# MariaDB [(none)]> GRANT ALL PRIVILEGES ON nova.* TO 'nova'@'localhost' IDENTIFIED BY 'password';
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# MariaDB [(none)]> quit;
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#
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# Postgres ->
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#
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# $ sudo -u postgres psql
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# postgres=# create user nova with createdb login password 'password';
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# postgres=# create database nova with owner nova;
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# postgres=# quit;
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#
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# Note that you may also have to configure 'pg_hba.conf' to use password-based
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# auth instead of "ident", if you haven't done so already. You can locate this
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# with 'locate pg_hba.conf'. More details at
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# https://ubuntu.com/server/docs/databases-postgresql
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set -o xtrace
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set -e
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source .tox/py36/bin/activate
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pushd nova/db/sqlalchemy/migrate_repo
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INIT_VERSION=$(ls -1 versions/ | head -1 | awk -F_ '{print $1}')
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INIT_VERSION=$(($INIT_VERSION-1))
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echo "Detected init version of $INIT_VERSION"
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mkdir -p schemas
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rm -f "schemas/$INIT_VERSION-*.sql"
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#
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# sqlite
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#
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# cleanup from previous runs
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rm -f nova.db
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# sync schema
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python manage.py version_control \
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--database 'sqlite:///nova.db' \
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--version $INIT_VERSION
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python manage.py upgrade \
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--database 'sqlite:///nova.db'
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# dump the schema
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sqlite3 nova.db << EOF
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.output "schemas/${INIT_VERSION}-sqlite.sql"
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.schema
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.quit
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EOF
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rm -f nova.db
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#
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# mysql
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#
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# cleanup from previous runs
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mysql -u nova -ppassword << EOF
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DROP DATABASE IF EXISTS nova;
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CREATE DATABASE nova;
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EOF
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# sync schema
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python manage.py version_control \
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--database 'mysql+pymysql://nova:password@localhost/nova' \
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--version "$INIT_VERSION"
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python manage.py upgrade \
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--database 'mysql+pymysql://nova:password@localhost/nova'
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# dump the schema
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mysqldump --no-data --skip-comments -u nova -ppassword \
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nova > "schemas/${INIT_VERSION}-mysql.sql"
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mysql -u nova -ppassword << EOF
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DROP DATABASE IF EXISTS nova;
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EOF
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#
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# postgres
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#
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# cleanup from previous runs
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sudo -u postgres dropdb --if-exists nova
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sudo -u postgres createdb --owner=nova nova
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# sync to initial version
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python manage.py version_control \
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--database 'postgresql://nova:password@localhost/nova' \
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--version "$INIT_VERSION"
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python manage.py upgrade \
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--database 'postgresql://nova:password@localhost/nova'
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# dump the schema
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pg_dump postgresql://nova:password@localhost/nova \
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--schema-only > "schemas/${INIT_VERSION}-postgres.sql"
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sudo -u postgres dropdb --if-exists nova
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popd
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deactivate
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