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scale web to 1 by default and ignore all others

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This commit is contained in:
Michael Hobbs
2015-04-21 22:13:45 -07:00
parent eb0935a691
commit c2fa8d14c9
2 changed files with 4 additions and 32 deletions
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2
docs/process-management.md
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@@ -18,7 +18,7 @@ ps:stop <app> Stop app container(s)
## Scaling
Dokku allows you to run multiple process types at different container counts. For example, if you had an app that contained 1 web app listener and 1 background job processor, dokku will, by default, spin up 1 container for each process type defined in the Procfile. If you wanted 2 job processors running simultaneously, you can modify this behavior in a few ways.
Dokku allows you to run multiple process types at different container counts. For example, if you had an app that contained 1 web app listener and 1 background job processor, dokku can, spin up 1 container for each process type defined in the Procfile. By default we will only start the web process. However, if you wanted 2 job processors running simultaneously, you can modify this behavior in a few ways.
## Include a DOKKU_SCALE file in your repo

34
plugins/ps/functions
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@@ -25,38 +25,10 @@ release_and_deploy() {
generate_scale_file() {
local APP="$1"; local IMAGE="dokku/$APP"; local DOKKU_SCALE_FILE="$DOKKU_ROOT/$APP/DOKKU_SCALE"
copy_from_image "$IMAGE" "/app/DOKKU_SCALE" "$DOKKU_ROOT/$APP" 2>/dev/null || dokku_log_info1_quiet "DOKKU_SCALE not found in app image"
copy_from_image "$IMAGE" "/app/DOKKU_SCALE" "$DOKKU_ROOT/$APP" 2>/dev/null || true
if [[ ! -f $DOKKU_SCALE_FILE ]]; then
local TMP_WORK_DIR=$(mktemp --tmpdir=/tmp -d DOKKU_SCALE.XXXXX)
trap 'rm -rf $TMP_WORK_DIR' INT TERM EXIT RETURN
if is_image_buildstep_based "$IMAGE"; then
copy_from_image "$IMAGE" /app/Procfile $TMP_WORK_DIR 2>/dev/null || true
copy_from_image "$IMAGE" /app/.release $TMP_WORK_DIR 2>/dev/null || true
if [[ -f $TMP_WORK_DIR/Procfile ]];then
local PROCFILE="$TMP_WORK_DIR/Procfile"
elif [[ -f $TMP_WORK_DIR/.release ]];then
local PROCFILE="$TMP_WORK_DIR/.release"
else
dokku_log_info1 "No Procfile or .release file found. Defaulting to a single web process"
echo "web=1" >> $DOKKU_SCALE_FILE
fi
else
dokku_log_info1 "Dockerfile build detected. Defaulting to a single web process"
echo "web=1" >> $DOKKU_SCALE_FILE
fi
if [[ -f $PROCFILE ]]; then
while read line || [ -n "$line" ]
do
local PROC_NAME=${line%%:*}
local PROC_CMD=${line#*:}
[[ "$PROC_NAME" =~ -.* ]] && continue
[[ -n "$PROC_CMD" ]] && echo "$PROC_NAME=1" >> $DOKKU_SCALE_FILE
done < "$PROCFILE"
fi
dokku_log_info1_quiet "DOKKU_SCALE not found in app image. Defaulting to a single web process"
echo "web=1" >> $DOKKU_SCALE_FILE
dokku_log_info1_quiet "New DOKKU_SCALE file generated"
while read line || [ -n "$line" ]