From 0733c045fcda781d91cc8eeb5c0f828d318be5c1 Mon Sep 17 00:00:00 2001
From: Nico Rey <rey.nico@gmail.com>
Date: Sun, 4 Oct 2020 13:13:21 -0300
Subject: [PATCH] disable ramfs for meteor passes on <2Gi ram systems

(cherry picked from commit 72f43265b5b929865c3d9696964cb06c9850f799)
Signed-off-by: Nico Rey <rey.nico@gmail.com>
---
 install.sh        | 4 ++++
 receive_meteor.sh | 7 +++++++
 templates/fstab   | 2 +-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/install.sh b/install.sh
index 742f6f1..5bbf2c0 100755
--- a/install.sh
+++ b/install.sh
@@ -182,6 +182,10 @@ fi
 log_done "Nginx configured"
 
 ### Setup ramFS
+SYSTEM_MEMORY=$(free -m | awk '/^Mem:/{print $2}')
+if [ "$SYSTEM_MEMORY" -lt 2000 ]; then
+	sed -i -e "s/1000M/200M/g" templates/fstab
+fi
 set +e
 cat /etc/fstab | grep -q "ramfs"
 if [ $? -eq 0 ]; then
diff --git a/receive_meteor.sh b/receive_meteor.sh
index 3c1e29c..f9edefc 100755
--- a/receive_meteor.sh
+++ b/receive_meteor.sh
@@ -5,6 +5,13 @@
 . "$HOME/.tweepy.conf"
 . "$NOAA_HOME/common.sh"
 
+
+SYSTEM_MEMORY=$(free -m | awk '/^Mem:/{print $2}')
+if [ "$SYSTEM_MEMORY" -lt 2000 ]; then
+    log "The system doesn't have enough space to store a Meteor pass on RAM" "INFO"
+	RAMFS_AUDIO="${METEOR_OUTPUT}"
+fi
+
 ## pass start timestamp and sun elevation
 PASS_START=$(expr "$5" + 90)
 SUN_ELEV=$(python3 "$NOAA_HOME"/sun.py "$PASS_START")
diff --git a/templates/fstab b/templates/fstab
index 023fb81..d76b2c0 100644
--- a/templates/fstab
+++ b/templates/fstab
@@ -1 +1 @@
-tmpfs                   /var/ramfs      tmpfs nodev,nosuid,size=400M 0 0
+tmpfs                   /var/ramfs      tmpfs nodev,nosuid,size=1000M 0 0