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Warn users when there is a low memory condition on installation #2116

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Merged
merged 1 commit into from
Apr 16, 2016
Merged

Warn users when there is a low memory condition on installation #2116

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7 changes: 7 additions & 0 deletions bootstrap.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ set -eo pipefail; [[ $TRACE ]] && set -x
# It also means that we can't run a partially downloaded script.

ensure-environment() {
local FREE_MEMORY
echo "Preparing to install $DOKKU_TAG from $DOKKU_REPO..."
if ! command -v apt-get &>/dev/null; then
echo "This installation script requires apt-get. For manual installation instructions, consult http://dokku.viewdocs.io/dokku/advanced-installation/"
Expand All @@ -22,6 +23,12 @@ ensure-environment() {
echo "This installation script requires that you have a hostname set for the instance. Please set a hostname for 127.0.0.1 in your /etc/hosts"
exit 1
}

FREE_MEMORY=$(grep MemTotal /proc/meminfo | awk '{print $2}')
if [[ "$FREE_MEMORY" -lt 1003600 ]]; then
echo "For dokku to build containers, it is strongly suggested that you have 1024 megabytes or more of free memory"
echo "If necessary, please consult this document to setup swap: http://dokku.viewdocs.io/dokku/advanced-installation/#vms-with-less-than-1gb-of-memory"
fi
}

install-requirements() {
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