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fix: pin the image and image version of a created service at creation time

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This will help ensure that users upgrading to a new plugin version who stop/start databases will always get the same version. This is particularly important for datastores such as elasticsearch and postgres that have more involved upgraded processes.
This commit is contained in:
Jose Diaz-Gonzalez
2021-09-13 02:28:41 -04:00
parent 31df8da3d4
commit fa5548b6fc
3 changed files with 30 additions and 1 deletions
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16
common-functions
View File

@@ -251,6 +251,14 @@ service_commit_config() {
if [[ -n "$SERVICE_SHM_SIZE" ]]; then
echo "$SERVICE_SHM_SIZE" >"$SERVICE_ROOT/SHM_SIZE"
fi
if [[ -n "$PLUGIN_IMAGE" ]]; then
echo "$PLUGIN_IMAGE" >"$SERVICE_ROOT/IMAGE"
fi
if [[ -n "$PLUGIN_IMAGE_VERSION" ]]; then
echo "$PLUGIN_IMAGE_VERSION" >"$SERVICE_ROOT/IMAGE_VERSION"
fi
}
service_backup_auth() {
@@ -396,7 +404,13 @@ service_exposed_ports() {
service_image_exists() {
declare desc="check if the current image exists"
local IMAGE="$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION"
declare SERVICE="$1"
local plugin_image="$PLUGIN_IMAGE"
local plugin_image_version="$PLUGIN_IMAGE_VERSION"
[[ -f "$SERVICE_ROOT/IMAGE" ]] && plugin_image="$(cat "$SERVICE_ROOT/IMAGE")"
[[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]] && plugin_image_version="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
local IMAGE="$plugin_image:$plugin_image_version"
if [[ "$(docker images -q "$IMAGE" 2>/dev/null)" == "" ]]; then
return 1

5
functions
View File

@@ -91,6 +91,9 @@ service_create_container() {
SHM_SIZE="--shm-size=${SERVICE_SHM_SIZE}"
fi
[[ -f "$SERVICE_ROOT/IMAGE" ]] && PLUGIN_IMAGE="$(cat "$SERVICE_ROOT/IMAGE")"
[[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]] && PLUGIN_IMAGE_VERSION="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
# shellcheck disable=SC2086
ID=$(docker run --name "$SERVICE_NAME" $MEMORY_LIMIT $SHM_SIZE -v "$SERVICE_HOST_ROOT/data:/data/db" --env-file="$SERVICE_ROOT/ENV" --env "MONGO_INITDB_DATABASE=$DATABASE_NAME" -d --restart always --label dokku=service --label dokku.service=mongo "$PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION" mongod $CONFIG_OPTIONS)
echo "$ID" >"$SERVICE_ROOT/ID"
@@ -160,6 +163,8 @@ service_start() {
service_create_container "$SERVICE"
else
if ! service_image_exists "$SERVICE"; then
[[ -f "$SERVICE_ROOT/IMAGE" ]] && PLUGIN_IMAGE="$(cat "$SERVICE_ROOT/IMAGE")"
[[ -f "$SERVICE_ROOT/IMAGE_VERSION" ]] && PLUGIN_IMAGE_VERSION="$(cat "$SERVICE_ROOT/IMAGE_VERSION")"
dokku_log_verbose_quiet "Missing image $PLUGIN_IMAGE:$PLUGIN_IMAGE_VERSION for $SERVICE"
else
dokku_log_verbose_quiet "Neither container nor valid configuration exists for $SERVICE"

10
install
View File

@@ -1,5 +1,6 @@
#!/usr/bin/env bash
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/config"
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common-functions"
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x
@@ -46,6 +47,15 @@ EOL
local SERVICES=$(ls "$PLUGIN_DATA_ROOT" 2>/dev/null)
for SERVICE in $SERVICES; do
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
if [[ ! -f "$SERVICE_ROOT/IMAGE" ]] || [[ ! -f "$SERVICE_ROOT/IMAGE_VERSION" ]]; then
local image="$(service_version "$SERVICE")"
if [[ "$image" == *":"* ]]; then
echo "${image%:*}" > "$SERVICE_ROOT/IMAGE"
echo "${image##*:}" > "$SERVICE_ROOT/IMAGE_VERSION"
fi
fi
if [[ -f "$SERVICE_ROOT/${PLUGIN_VARIABLE}_CONFIG_OPTIONS" ]]; then
mv "$SERVICE_ROOT/${PLUGIN_VARIABLE}_CONFIG_OPTIONS" "$SERVICE_ROOT/CONFIG_OPTIONS"
fi