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https://github.com/dokku/dokku.git
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More information: https://github.com/koalaman/shellcheck/wiki/SC2162 http://wiki.bash-hackers.org/commands/builtin/read
59 lines
2.0 KiB
Bash
Executable File
59 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
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source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
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print_dokku_scale_file() {
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local APP="$1"; local DOKKU_SCALE_FILE="$DOKKU_ROOT/$APP/DOKKU_SCALE"
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while read -r line || [[ -n "$line" ]]; do
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dokku_log_info2_quiet "$line"
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done < "$DOKKU_SCALE_FILE"
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}
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generate_scale_file() {
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local APP="$1"; local IMAGE_TAG="$3"; local IMAGE=$(get_app_image_name $APP $IMAGE_TAG); local DOKKU_SCALE_FILE="$DOKKU_ROOT/$APP/DOKKU_SCALE"
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verify_app_name "$APP"
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copy_from_image "$IMAGE" "/app/DOKKU_SCALE" "$DOKKU_ROOT/$APP" 2>/dev/null || true
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if [[ ! -f $DOKKU_SCALE_FILE ]]; then
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dokku_log_info1_quiet "DOKKU_SCALE file not found in app image. Generating one based on Procfile..."
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TMP_WORK_DIR=$(mktemp -d)
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trap 'rm -rf "$TMP_WORK_DIR" > /dev/null' RETURN
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copy_from_image "$IMAGE" "/app/Procfile" "$TMP_WORK_DIR" 2>/dev/null || true
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local PROCFILE="$TMP_WORK_DIR/Procfile"
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if [[ ! -e "$PROCFILE" ]]; then
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echo "web=1" >> $DOKKU_SCALE_FILE
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else
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while read -r line || [[ -n "$line" ]]; do
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[[ -z "$line" ]] && continue
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NAME=${line%%:*}
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NUM_PROCS=0
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[[ "$NAME" == "web" ]] && NUM_PROCS=1
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echo "$NAME=$NUM_PROCS" >> $DOKKU_SCALE_FILE
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done < "$PROCFILE"
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fi
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dokku_log_info1_quiet "New DOKKU_SCALE file generated"
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else
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dokku_log_info1_quiet "DOKKU_SCALE file found"
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fi
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print_dokku_scale_file $APP
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}
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set_scale() {
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local APP="$1"; local DOKKU_SCALE_FILE="$DOKKU_ROOT/$APP/DOKKU_SCALE"
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shift 1
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local SCALE_SETTINGS=("$@")
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for procscale in "${SCALE_SETTINGS[@]}"; do
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PROC_NAME=${procscale%%=*}
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PROC_COUNT=${procscale#*=}
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is_number $PROC_COUNT || dokku_log_fail "ps:scale $PROC_COUNT is not a number"
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dokku_log_info1_quiet "Scaling $APP:$PROC_NAME to $PROC_COUNT"
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if (egrep -q ^${PROC_NAME}= $DOKKU_SCALE_FILE > /dev/null 2>&1); then
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sed --in-place "s:^${PROC_NAME}=.*:$PROC_NAME=$PROC_COUNT:g" $DOKKU_SCALE_FILE
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else
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echo "$PROC_NAME=$PROC_COUNT" >> $DOKKU_SCALE_FILE
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fi
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done
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}
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