Dynamically extract php_version & python_version

runrole

@@ -15,7 +15,7 @@ PLAYBOOK=run-one-role.yml
 
 if [ ! -f $PLAYBOOK ]; then
     echo "Exiting: IIAB Playbook not found."
-    echo "Please run this in /opt/iiab/iiab (top level of the git repo)."
+    echo "Please run this in /opt/iiab/iiab (top level of git repo)."
     exit 1
 fi
 
@@ -28,28 +28,48 @@ if [ $# -eq 0 ] || [ "$2" == "--reinstall" ] || [ "$3" == "--reinstall" ]; then
     exit 0
 fi
 
-# 2020-08-05: yes /etc/iiab/iiab_state.yml is necessary, but we DON'T
-# want to encourage sloppy operators to delete/touch this file.
-#
-# (The iiab_state.yml file should always be created by ./iiab-install,
-# for IIAB's Ansible roles that then auto-populate this file.)
-#
-# FYI ./iiab-network and ./iiab-configure likewise warn operators (IN RED!)
-# if they try to run without the existence of /etc/iiab/iiab_state.yml :
-#
-# ERROR! vars file /etc/iiab/iiab_state.yml was not found
-#
-# Needed for Stages 1-3 if not installed yet
-#if [ ! -f $IIAB_STATE_FILE ]; then
-#    touch $IIAB_STATE_FILE
-#fi
-
 if [ "$1" == "--reinstall" ]; then
     ARGS="$ARGS\"reinstall\":True,"    # Needs boolean not string so use JSON list
     REINSTALL=true
     shift
 fi
 
+
+# 4 snippets to guide -> bootstrap -> accelerate role debugging on bare OS's:
+
+mkdir -p /etc/iiab    # -p avoids errors, effectively like '|| true'
+if [ ! -f /etc/iiab/local_vars.yml ]; then
+    echo -e "\n\e[1mEXITING: /opt/iiab/iiab/iiab-install REQUIRES /etc/iiab/local_vars.yml\e[0m\n" >&2
+
+    echo -e "(1) See http://FAQ.IIAB.IO -> What is local_vars.yml and how do I customize it?" >&2
+    echo -e "(2) SMALL/MEDIUM/LARGE samples are included in /opt/iiab/iiab/vars" >&2
+    echo -e "(3) NO TIME FOR DETAILS?  RUN INTERNET-IN-A-BOX'S FRIENDLY 1-LINE INSTALLER:\n" >&2
+
+    echo -e '    https://download.iiab.io\n' >&2
+
+    exit 1
+fi
+
+# In comparison, ./iiab-network and ./iiab-configure warn operators (IN RED)
+# if run without the existence of /etc/iiab/iiab_state.yml
+if [ ! -f  $IIAB_STATE_FILE ]; then    # touch $IIAB_STATE_FILE
+    echo -e "\n\e[1mCreating... $IIAB_STATE_FILE\e[0m"
+    cat > $IIAB_STATE_FILE << EOF
+# DO *NOT* MANUALLY EDIT THIS, THANKS!
+# IIAB does NOT currently support uninstalling apps/services.
+
+EOF
+fi
+
+if ! [[ $(command -v ansible) ]]; then
+    echo -e "\n\e[1mPlease install Ansible, by running:\n\nsudo /opt/iiab/iiab/scripts/ansible\e[0m\n"
+    exit 1
+fi
+
+mkdir -p /etc/ansible/facts.d
+cp scripts/local_facts.fact /etc/ansible/facts.d/local_facts.fact
+
+
 ROLE_VAR=$1    # Ansible role name & var name sometimes differ :/
 if [ $1 == "calibre-web" ]; then 
     ROLE_VAR=calibreweb
@@ -105,6 +125,7 @@ if ! $INSTALL; then
     ARGS="$ARGS\"${ROLE_VAR}_install\":True,"
 fi
 
+
 if [ $# -eq 2 ]; then
    export ANSIBLE_LOG_PATH="$2"
 else