New step to document steps to migrate synapse to another server

Fix raspi dep. typo

seqs/matrix.sh

@@ -3,7 +3,7 @@
 toolName=synapse
 toolDeps="build-essential python3-dev libffi-dev python3-pip python3-setuptools postgresql libssl-dev virtualenv libjpeg-dev libxslt1-dev libpq5 libpq-dev"
 toolDeps+=" jq" # used as helper for api access
-toolDepsRaspi="ilibopenjp2-7 libtiff5"
+toolDepsRaspi="libopenjp2-7 libtiff5"
 toolUser="synapse"
 toolGroup="synapse"
 toolServiceName="matrix-synapse"
@@ -90,6 +90,7 @@ step_3() {
 }
 
 step_4_info() { echo "Install $toolName"; }
+step_4_alias() { ALIAS="virtualenv"; }
 step_4() {
   exe mkdir -p "$MATRIX_HOME"
   exe virtualenv -p python3 "${MATRIX_HOME}/env"
@@ -121,6 +122,7 @@ step_6() {
 }
 
 step_7_info() { echo "Create $toolName systemd service"; }
+step_7_alias() { ALIAS="systemd"; }
 step_7() {
   # eval needed to expand sourced configuration variables
   local localService=`eval "echo \"$toolService\""`
@@ -488,6 +490,30 @@ step_54() {
   exe su postgres -c "psql -c '\du'"
 }
 
+step_56_info() { echo "$toolName migration notes"; }
+step_56_alias() { ALIAS="migrate"; }
+step_56() {
+  echo " [I] Backup database"
+  echo "       ./postgres.sh backupdb synapse"
+  echo
+  echo " [I] Backup virtual env folders except \"env\""
+  echo "       cd ${MATRIX_HOME}"
+  echo "       tar czf ../\`date +%Y-%m-%d\"_\"%H-%M-%S\`.synapse_bu.tar.gz --exclude=\"./env\" ."
+  echo
+  echo " [I] Transfer both backup files to target server"
+  echo
+  echo " [I] Install $toolName on the target server up to step \"virtualenv\""
+  echo "     (Stop after first run and edit $SEQ_CONFIG_FILE)"
+  echo "       ./matrix.sh install"
+  echo "       cd ${MATRIX_HOME}"
+  echo "       tar xf ...synapse_bu.tar.gz"
+  echo "     Follow the instructions of:"
+  echo "       ./matrix.sh restoredb"
+  echo "       ./matrix.sh systemd"
+  echo
+  echo " [I] $toolName should be running. Now modify the reverse proxy configuration"
+}
+
 # Read postgres database information dbname/user/pass if empty
 readDatabaseInfos() {
   if [ "$postgresDb" == "" ] ; then