78 lines
1.5 KiB
Bash
Executable File
78 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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MOUNT_POINT=$1
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SIZE_IN_GB=$2
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id $USER | grep '(cgts)\|751(mock)' > /dev/null
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if [ $? -ne 0 ]
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then
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echo "Only members of group cgts may use this tool."
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exit 1
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fi
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MY_UID=`id -u $USER`
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if [ $? -ne 0 ]
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then
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echo "failed to determine UID."
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exit 1
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fi
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MY_GID=`getent group cgts | cut -d: -f3`
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if [ $? -ne 0 ]
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then
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echo "failed to determine GID."
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exit 1
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fi
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# echo "USER=$USER"
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# echo "UID=$UID"
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# echo "MY_UID=$MY_UID"
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# echo "MY_GID=$MY_GID"
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if [ "$SIZE_IN_GB" == "" ] || [ $SIZE_IN_GB -le 0 ]; then
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echo "Invalid size: '$SIZE_IN_GB'"
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exit 1
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fi
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if [ ! -d $MOUNT_POINT ]
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then
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echo "'$MOUNT_POINT' is not a directory"
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exit 1
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fi
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echo "$MOUNT_POINT" | grep -e "/$USER/.*/mock/" > /dev/null
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if [ $? -ne 0 ]
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then
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echo "'$MOUNT_POINT' does not match pattern '/$USER/.*/mock/'"
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exit 1
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fi
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MIN_AVAIL_GB=8
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AVAIL_GB=$(free -m -h | grep '^Mem:' | awk '{ print $7 }' | sed 's/G$//')
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if [ $AVAIL_GB -lt $MIN_AVAIL_GB ]; then
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echo "Below minimum available memory: $AVAIL_GB vs $MIN_AVAIL_GB"
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exit 1
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fi
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if [ $SIZE_IN_GB -gt $AVAIL_GB ]; then
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echo "Insufficient memory"
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exit 1
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fi
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REMAINDER_GB=$((AVAIL_GB-SIZE_IN_GB))
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if [ $REMAINDER_GB -lt $MIN_AVAIL_GB ]; then
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echo "System would be driven below minimum available memory: ($AVAIL_GB - $SIZE_IN_GB) < $MIN_AVAIL_GB"
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exit 1
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fi
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# echo "mount -t tmpfs -o size=${SIZE_IN_GB}G tmpfs $MOUNT_POINT"
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mount -t tmpfs -o size=${SIZE_IN_GB}G tmpfs $MOUNT_POINT
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if [ $? -ne 0 ]
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then
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echo "failed to mount '$MOUNT_POINT'"
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exit 1
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fi
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echo "'$MOUNT_POINT' mounted"
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exit 0
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