Add test condition when there are no errors

Also log unjoinable instances

tootpaste.sh

@@ -40,6 +40,7 @@ accounts_cull() {
 
   # Remove instances that have an expired certificate from more than
   # TLS_EXPIRED_MAX_SEC
+  if grep -q 'certificate has expired' "$CULL_LOG"; then
     grep 'certificate has expired' "$CULL_LOG" \
       | awk '{print $NF}' \
       | cut -d'/' -f3 \
@@ -73,19 +74,34 @@ accounts_cull() {
           "$instance"
       fi
     done < "$TLS_EXPIRED_LOG"
+  fi
 
-  # Log other instances errors, then if they were already in the log, purge
-  # them
+  # Log other instances errors, then if they were already in the log, purge them
+  if grep -q 'https' "$CULL_LOG"; then
     grep \
       -e 'certificate verify failed' \
       -e 'timed out' \
       -e 'sslv3 alert handshake failure' \
       -e 'TooManyRedirectsError' \
+      -e 'EndlessRedirectError' \
+      -e 'HostValidationError' \
       "$CULL_LOG" \
       | awk '{print $NF}' \
       | cut -d'/' -f3 \
       | sort -u \
       > "$OTHER_ERRORS_LOG"
+  fi
+
+  # Log unjoinable instances, then if they were already in the log, purge them
+  if grep -q 'not available during the check:' "$CULL_LOG"; then
+    grep \
+      -A 9999 \
+      'not available during the check:' \
+      "$CULL_LOG" \
+      | tail -n +2 \
+      | sed -E 's/\s+//' \
+      > "$OTHER_ERRORS_LOG"
+  fi
   
   test -f $PREV_ERRORS_LOG || touch $PREV_ERRORS_LOG
   while read -r instance; do