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Snap: Migrate MongoDB from 3 to 7 only when "snap set wekan migrate-mongodb='true'". Not automatically.

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Thanks to xet7 !
This commit is contained in:
Lauri Ojansivu 2025-10-11 07:42:51 +03:00
parent cd0cd64849
commit ae01ea576c
5 changed files with 239 additions and 98 deletions
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67
snap-src/bin/mongodb-migrate
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@ -3,7 +3,9 @@
# MongoDB Migration Script from version 3 to 7
# This script handles migration with disk space checks, progress tracking, and error handling
#
# IMPORTANT: Migration is only triggered when MIGRATE_MONGODB=true environment variable is set
# IMPORTANT: All operations are contained within SNAP_COMMON directory
# IMPORTANT: No snap settings or channel changes are made during migration
# This is the only writable directory in a snap environment
set -e
@ -423,17 +425,19 @@ rotate_migration_logs() {
fi
}
# Reset MONGO_LOG_DESTINATION to devnull after successful migration
# Reset MONGO_LOG_DESTINATION to devnull after successful migration - DISABLED
# Snap settings changes are permanently disabled during migration
reset_mongo_log_destination() {
log_message "Resetting MONGO_LOG_DESTINATION to devnull after successful migration"
log_message "MONGO_LOG_DESTINATION reset disabled - snap settings changes not allowed during migration"
# Use snap set to change the setting back to devnull
if snap set wekan mongo-log-destination="devnull" 2>/dev/null; then
log_success "MONGO_LOG_DESTINATION reset to devnull successfully"
else
log_error "Failed to reset MONGO_LOG_DESTINATION to devnull"
# Don't fail the migration for this setting issue
fi
# Snap settings changes permanently disabled during migration
# This ensures no snap configuration is modified during the migration process
# if snap set wekan mongo-log-destination="devnull" 2>/dev/null; then
# log_success "MONGO_LOG_DESTINATION reset to devnull successfully"
# else
# log_error "Failed to reset MONGO_LOG_DESTINATION to devnull"
# # Don't fail the migration for this setting issue
# fi
}
# Migrate raw MongoDB 3 database files
@ -568,20 +572,25 @@ switch_to_stable_channel() {
local snap_name="$1"
local current_channel=$(get_current_snap_channel "$snap_name")
if [ "$current_channel" != "stable" ] && [ "$current_channel" != "unknown" ]; then
log_message "Switching $snap_name from $current_channel to stable channel"
if snap refresh "$snap_name" --channel=stable; then
log_success "Successfully switched $snap_name to stable channel"
return 0
else
log_error "Failed to switch $snap_name to stable channel"
return 1
fi
else
log_message "$snap_name is already on stable channel or not installed"
return 0
fi
log_message "Snap channel switching disabled - not changing $snap_name channel (currently: $current_channel)"
log_message "Snap channel changes are permanently disabled during migration"
return 0
# Snap channel switching permanently disabled during migration
# This ensures no snap channels are modified during the migration process
# if [ "$current_channel" != "stable" ] && [ "$current_channel" != "unknown" ]; then
# log_message "Switching $snap_name from $current_channel to stable channel"
# if snap refresh "$snap_name" --channel=stable; then
# log_success "Successfully switched $snap_name to stable channel"
# return 0
# else
# log_error "Failed to switch $snap_name to stable channel"
# return 1
# fi
# else
# log_message "$snap_name is already on stable channel or not installed"
# return 0
# fi
}
switch_all_wekan_snaps_to_stable() {
@ -786,9 +795,9 @@ revert_migration() {
return 1
fi
# Stop MongoDB 7
log_message "Stopping MongoDB 7"
snapctl stop --disable "${SNAP_NAME}.mongodb"
# Stop MongoDB 7 - DISABLED
log_message "MongoDB stopping disabled - not using snapctl stop"
# snapctl stop --disable "${SNAP_NAME}.mongodb"
# Remove MongoDB 7 version marker
rm -f "${SNAP_COMMON}/mongodb-version-7"
@ -824,9 +833,9 @@ revert_migration() {
# Clear migration status
rm -f "$MIGRATION_STATUS"
# Start MongoDB 3
log_message "Starting MongoDB 3"
snapctl start --enable "${SNAP_NAME}.mongodb"
# Start MongoDB 3 - DISABLED
log_message "MongoDB starting disabled - not using snapctl start"
# snapctl start --enable "${SNAP_NAME}.mongodb"
log_success "Migration reverted successfully"
return 0