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[action] [PR:15684] Revert "Revert "Fix for fast/cold-boot: call db_migrator only after old config is loaded"" #15746

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merged 1 commit into from
Jul 7, 2023
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[action] [PR:15684] Revert "Revert "Fix for fast/cold-boot: call db_migrator only after old config is loaded"" #15746

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16 changes: 12 additions & 4 deletions files/build_templates/docker_image_ctl.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -246,10 +246,18 @@ function postStartAction()
$SONIC_DB_CLI CONFIG_DB SET "CONFIG_DB_INITIALIZED" "1"
fi

if [[ -x /usr/local/bin/db_migrator.py ]]; then
# Migrate the DB to the latest schema version if needed
if [ -z "$DEV" ]; then
/usr/local/bin/db_migrator.py -o migrate
if [ -e /tmp/pending_config_migration ]; then
# this is first boot to a new image, config-setup execution is pending.
# For fast/cold reboot case, DB contains nothing at this point
# Call db_migrator after config-setup loads the config (from old config or minigraph)
echo "Delaying db_migrator until config migration is over"
else
# this is not a first time boot to a new image. Datbase container starts w/ old pre-existing config
if [[ -x /usr/local/bin/db_migrator.py ]]; then
# Migrate the DB to the latest schema version if needed
if [ -z "$DEV" ]; then
/usr/local/bin/db_migrator.py -o migrate
fi
fi
fi
# Add redis UDS to the redis group and give read/write access to the group
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13 changes: 13 additions & 0 deletions files/image_config/config-setup/config-setup
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Expand Up @@ -304,6 +304,16 @@ check_all_config_db_present()
return 0
}

# DB schema is subject to change between two images
# Perform DB schema migration after loading backup config from previous image
do_db_migration()
{
if [[ -x /usr/local/bin/db_migrator.py ]]; then
# Migrate the DB to the latest schema version if needed
/usr/local/bin/db_migrator.py -o migrate
fi
}

# Perform configuration migration from backup copy.
# - This step is performed when a new image is installed and SONiC switch boots into it
do_config_migration()
Expand All @@ -326,16 +336,19 @@ do_config_migration()
if [ x"${WARM_BOOT}" == x"true" ]; then
echo "Warm reboot detected..."
disable_updategraph
do_db_migration
rm -f /tmp/pending_config_migration
exit 0
elif check_all_config_db_present; then
echo "Use config_db.json from old system..."
reload_configdb
do_db_migration
# Disable updategraph
disable_updategraph
elif [ -r ${MINGRAPH_FILE} ]; then
echo "Use minigraph.xml from old system..."
reload_minigraph
do_db_migration
# Disable updategraph
disable_updategraph
else
Expand Down