From 3d6a2236625c5b8f9f091425168df26e349c940a Mon Sep 17 00:00:00 2001
From: Jim Myhrberg <contact@jimeh.me>
Date: Mon, 5 Dec 2022 15:04:50 +0000
Subject: [PATCH] feat(local): add "local" project with many services

---
 local/.env.example        |   1 +
 local/.gitignore          |   1 +
 local/Makefile            |   7 +++
 local/docker-compose.yml  |  70 +++++++++++++++++++++++++
 local/utils-entrypoint.sh | 105 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 184 insertions(+)
 create mode 100644 local/.env.example
 create mode 100644 local/.gitignore
 create mode 100644 local/Makefile
 create mode 100644 local/docker-compose.yml
 create mode 100755 local/utils-entrypoint.sh

diff --git a/local/.env.example b/local/.env.example
new file mode 100644
index 0000000..a8d4b54
--- /dev/null
+++ b/local/.env.example
@@ -0,0 +1 @@
+BACKUPS_DIR=./backups
diff --git a/local/.gitignore b/local/.gitignore
new file mode 100644
index 0000000..5f2fcc7
--- /dev/null
+++ b/local/.gitignore
@@ -0,0 +1 @@
+backups/*
diff --git a/local/Makefile b/local/Makefile
new file mode 100644
index 0000000..a044e69
--- /dev/null
+++ b/local/Makefile
@@ -0,0 +1,7 @@
+.PHONY: backup-data
+backup-data:
+	@docker compose run --rm utils backup
+
+.PHONY: restore-data
+restore-data:
+	@docker compose run --rm utils restore
diff --git a/local/docker-compose.yml b/local/docker-compose.yml
new file mode 100644
index 0000000..3f826d0
--- /dev/null
+++ b/local/docker-compose.yml
@@ -0,0 +1,70 @@
+---
+version: "3.8"
+volumes:
+  jaeger-data:
+    driver: local
+  mariadb-data:
+    driver: local
+  redis-data:
+    driver: local
+
+services:
+  utils:
+    profiles: [utils]
+    image: alpine:latest
+    restart: never
+    entrypoint: /entrypoint.sh
+    volumes:
+      - "./utils-entrypoint.sh:/entrypoint.sh"
+      - "jaeger-data:/data/jaeger"
+      - "mariadb-data:/data/mariadb"
+      - "redis-data:/data/redis"
+      - "${BACKUPS_DIR:-./backups}:/backups"
+
+  mariadb:
+    image: mariadb:10.10
+    container_name: mariadb
+    restart: unless-stopped
+    network_mode: bridge
+    environment:
+      MARIADB_ALLOW_EMPTY_ROOT_PASSWORD: "yes"
+    volumes:
+      - mariadb-data:/var/lib/mysql
+    ports:
+      - "127.0.0.1:3306:3306"
+
+  redis:
+    image: redis:7
+    container_name: redis
+    restart: unless-stopped
+    network_mode: bridge
+    command:
+      - "redis-server"
+      - "--save"
+      - "60"
+      - "1"
+      - "--loglevel warning"
+    volumes:
+      - redis-data:/data
+    ports:
+      - "127.0.0.1:6379:6379"
+
+  jaeger:
+    image: jaegertracing/all-in-one:1
+    environment:
+      COLLECTOR_ZIPKIN_HOST_PORT: ":9411"
+      SPAN_STORAGE_TYPE: "badger"
+      BADGER_EPHEMERAL: "false"
+      BADGER_DIRECTORY_VALUE: "/badger/data"
+      BADGER_DIRECTORY_KEY: "/badger/key"
+    volumes:
+      - jaeger-data:/badger
+    ports:
+      - "127.0.0.1:5775:5775/udp"
+      - "127.0.0.1:6831:6831/udp"
+      - "127.0.0.1:6832:6832/udp"
+      - "127.0.0.1:5778:5778"
+      - "127.0.0.1:16686:16686"
+      - "127.0.0.1:14268:14268"
+      - "127.0.0.1:14250:14250"
+      - "127.0.0.1:9411:9411"
diff --git a/local/utils-entrypoint.sh b/local/utils-entrypoint.sh
new file mode 100755
index 0000000..a7396d4
--- /dev/null
+++ b/local/utils-entrypoint.sh
@@ -0,0 +1,105 @@
+#!/bin/sh
+set -e
+
+DATA_DIR=/data
+BACKUPS_DIR=/backups
+
+backup() {
+  if [ -z "$1" ] || [ "$1" = "all" ]; then
+    for src in ${DATA_DIR}/*; do
+      backup_single "$(basename "$src")" "$2"
+    done
+  else
+    backup_single "$1" "$2"
+  fi
+}
+
+backup_single() {
+  SOURCE="$1"
+  DEST="$SOURCE"
+  if [ -n "$2" ]; then
+    DEST="${DEST}-${2}"
+  fi
+  DEST="${DEST}.tar.gz"
+
+  if [ -z "$SOURCE" ]; then
+    echo "Usage: backup [<source-name|all>] [<backup-name>]" >&2
+    exit 1
+  fi
+
+  if [ ! -d "${DATA_DIR}/$SOURCE" ]; then
+    echo "ERROR: Source directory for $SOURCE does not exist." >&2
+    exit 1
+  fi
+
+  if [ -f "${BACKUPS_DIR}/${DEST}" ]; then
+    echo "WARN: Overwriting existing destination file ${DEST}..." >&2
+  fi
+
+  cd "${DATA_DIR}/${SOURCE}"
+  echo "Backing up ${SOURCE} to ${DEST}..."
+  tar -czf "${BACKUPS_DIR}/${DEST}" .
+  echo "Backup of ${SOURCE} to ${DEST} complete."
+}
+
+restore() {
+  if [ -z "$1" ] || [ "$1" = "all" ]; then
+    for src in ${DATA_DIR}/*; do
+      restore_single "$(basename "$src")" "$2"
+    done
+  else
+    restore_single "$1" "$2"
+  fi
+}
+
+restore_single() {
+  SOURCE="$1"
+
+  if [ -z "$SOURCE" ]; then
+    echo "Usage: restore [<source-name|all>] [<backup-name>]" >&2
+    exit 1
+  fi
+
+  if [ ! -d "${DATA_DIR}/$SOURCE" ]; then
+    echo "ERROR: Restore target directory for $SOURCE does not exist." >&2
+    exit 1
+  fi
+
+  DEST=""
+  if [ -n "$2" ]; then
+    if [ -f "${BACKUPS_DIR}/${2}" ]; then
+      DEST="${2}"
+    elif [ -f "${BACKUPS_DIR}/${2}.tar.gz" ]; then
+      DEST="${2}.tar.gz"
+    elif [ -f "${BACKUPS_DIR}/${SOURCE}-${2}" ]; then
+      DEST="${SOURCE}-${2}"
+    else
+      DEST="${SOURCE}-${2}.tar.gz"
+    fi
+  else
+    DEST="${SOURCE}.tar.gz"
+  fi
+
+  if [ ! -f "${BACKUPS_DIR}/${DEST}" ]; then
+    echo "ERROR: Restore source file ${DEST} does not exist." >&2
+    exit 1
+  fi
+
+  cd "${DATA_DIR}/${SOURCE}"
+  echo "Restoring ${DEST} to ${SOURCE}..."
+  tar -xzf "${BACKUPS_DIR}/${DEST}" .
+  echo "Restored ${DEST} to ${SOURCE}."
+}
+
+case "$1" in
+  backup)
+    backup "$2" "$3"
+    ;;
+  restore)
+    restore "$2" "$3"
+    ;;
+  *)
+    echo "Usage: {backup|restore} [<source-name|all>] [<backup-name>]" >&2
+    exit 1
+    ;;
+esac