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Merge pull request #3561 from dokku/3544-ps-can-scale

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feat: disable scaling if app contains DOKKU_SCALE file
This commit is contained in:
Jose Diaz-Gonzalez
2019-05-19 22:59:08 -07:00
committed by GitHub
parent a475af1974 4264380e15
commit 9e2a129854
13 changed files with 127 additions and 6 deletions
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5
plugins/common/functions
View File

@@ -384,7 +384,10 @@ copy_from_image() {
fi
fi
local CID=$(docker create "$DOKKU_GLOBAL_RUN_ARGS" "$IMAGE")
docker cp "$CID:$SRC_FILE" "$DST_DIR"
if ! docker cp "$CID:$SRC_FILE" "$DST_DIR"; then
docker rm -f "$CID" &>/dev/null
return 1
fi
docker rm -f "$CID" &>/dev/null
else
return 1

31
plugins/ps/functions
View File

@@ -62,7 +62,12 @@ generate_scale_file() {
local DOKKU_PROCFILE="$DOKKU_ROOT/$APP/DOKKU_PROCFILE"
verify_app_name "$APP"
copy_from_image "$IMAGE" "DOKKU_SCALE" "$DOKKU_ROOT/$APP" 2>/dev/null || true
if copy_from_image "$IMAGE" "DOKKU_SCALE" "$DOKKU_ROOT/$APP" >/dev/null 2>&1; then
cp "$DOKKU_SCALE_FILE" "${DOKKU_SCALE_FILE}.extracted"
else
rm -f "${DOKKU_SCALE_FILE}.extracted"
fi
if [[ ! -f $DOKKU_SCALE_FILE ]]; then
dokku_log_info1_quiet "DOKKU_SCALE file not found in app image. Generating one based on Procfile..."
@@ -182,7 +187,7 @@ ps_scale() {
local DOKKU_PROCFILE="$DOKKU_ROOT/$APP/DOKKU_PROCFILE"
shift 1
[[ ! -e $DOKKU_SCALE_FILE ]] && generate_scale_file "$APP" "$IMAGE_TAG"
[[ ! -e $DOKKU_SCALE_FILE ]] && generate_scale_file "$APP" "$IMAGE_TAG" >/dev/null 2>&1
if [[ -z "$@" ]]; then
dokku_log_info1_quiet "Scaling for $APP"
dokku_col_log_msg_quiet "proctype" "qty"
@@ -194,8 +199,12 @@ ps_scale() {
dokku_col_log_msg "${PROC_NAME}:" "$PROC_COUNT"
done <"$DOKKU_SCALE_FILE"
else
set_scale "$APP" "$@"
release_and_deploy "$APP" "$IMAGE_TAG"
if [[ "$(fn-ps-can-scale "$APP")" == "true" ]]; then
set_scale "$APP" "$@"
release_and_deploy "$APP" "$IMAGE_TAG"
else
dokku_log_fail "App contains DOKKU_SCALE file and cannot be manually scaled"
fi
fi
}
@@ -241,3 +250,17 @@ fn-ps-is-app-running() {
APP_STATUS=$(fn-ps-app-status "$APP")
echo "$APP_STATUS" | cut -d ' ' -f 2
}
fn-ps-can-scale() {
declare APP="$1"
local IMAGE_TAG=$(get_running_image_tag "$APP")
local DOKKU_SCALE_FILE="$DOKKU_ROOT/$APP/DOKKU_SCALE"
local CAN_SCALE=false
[[ ! -e $DOKKU_SCALE_FILE ]] && generate_scale_file "$APP" "$IMAGE_TAG" >/dev/null 2>&1
if [[ ! -f "${DOKKU_SCALE_FILE}.extracted" ]]; then
CAN_SCALE=true
fi
echo "$CAN_SCALE"
}

4
plugins/ps/internal-functions
View File

@@ -50,7 +50,8 @@ cmd-ps-report-single() {
if (is_deployed "$APP"); then DEPLOYED="true"; else DEPLOYED="false"; fi
local passed_phases="deploy"
RESTARTPOLICY=$(get_restart_policies "$(get_phase_file_path "$passed_phases")" || true)
local RESTARTPOLICY=$(get_restart_policies "$(get_phase_file_path "$passed_phases")" || true)
local CAN_SCALE="$(fn-ps-can-scale "$APP")"
local CONTAINER_FILES="$(find "$DOKKU_ROOT/$APP" -maxdepth 1 -name "CONTAINER.*" -printf "%f\n" 2>/dev/null | sort -t . -k 2 -n | xargs)"
local CONTAINER_FILE
@@ -70,6 +71,7 @@ cmd-ps-report-single() {
"--running: $RUNNING"
"--restore: $RESTORE"
"--restart-policy: $RESTARTPOLICY"
"--ps-can-scale: $CAN_SCALE"
)
if [[ -z "$INFO_FLAG" ]]; then