New sequence to install redis including basic installation notes

seqs/redis.cfg.example

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# If you use a password you may set it here for cli commands
+REDIS_AUTH=

seqs/redis.sh

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+#!/bin/bash
+
+toolName=redis
+toolDeps=redis-server
+
+# Get script working directory
+# (when called from a different directory)
+WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+CONFIG=0
+SCRIPT_NAME=$(basename -- $0)
+SCRIPT_NAME=${SCRIPT_NAME%%.*}
+CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
+CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
+
+step_config() {
+  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
+  if [ $? -eq 0 ] ; then
+    CONFIG=1
+  fi
+}
+
+step_1_info() { echo "Install $toolName"; }
+step_1_alias() { ALIAS="install"; }
+step_1() {
+  local aptOpt=
+  if [ $QUIET -ne 0 ];then
+    aptOpt="-y"
+  fi
+
+  exe apt update
+  exe apt install $toolDeps $aptOpt
+}
+
+step_2_info() { echo "Installation notes"; }
+step_2_alias() { ALIAS="notes"; }
+step_2() {
+  cat <<NOTES_EOF
+# For php applications make sure php-redis is installed
+apt install php-redis
+
+# Bind to localhsot
+  [/etc/redis/redis.conf]
+bind 127.0.0.1 ::1
+
+# or use socket
+unixsocket /var/run/redis/redis-server.sock
+unixsocketperm 770
+
+## Password protect
+requirepass verystrongpassword
+
+# Nextcloud configuration
+  [/var/www/nextcloud/config/config.php]
+  'memcache.locking' => '\\OC\\Memcache\\Redis',
+  'memcache.distributed' => '\\OC\\Memcache\\Redis',
+  'redis' =>
+  array (
+    'host' => '/var/run/redis/redis-server.sock',
+    'port' => 0,
+    'password' => 'verystrongpassword',
+    'timeout' => 0.0,
+  ),
+
+NOTES_EOF
+}
+
+step_10_info() { 
+  echo "Execute redis-cli commands [CLI COMMAND]"
+  echoinfo " [CLI COMMAND]"
+  echoinfo "   e.g. info"
+}
+step_10_alias() { ALIAS="cli"; }
+step_10() {
+  shift
+  local cliCmd="$@"
+  if [ ! -z "$REDIS_AUTH" ] ; then
+    #exe "echo -e \"AUTH=$REDIS_AUTH$cliCmd\" | redis-cli"
+    exe redis-cli -a "$REDIS_AUTH" $cliCmd
+  else
+    exe redis-cli $cliCmd
+  fi
+}
+
+VERSION_SEQREV=12
+. /usr/local/bin/sequencer.sh