Moved to _dev

bash/docker-volumes.sh

@@ -0,0 +1,65 @@
+#!/bin/bash
+#
+# The docker-export and docker-commit/docker-save commands do not save the container volumes.
+# Use this script to save and load the container volumes.
+#
+# v1.8 by Ricardo Branco
+#
+# NOTES:
+#  + This script could have been written in Python or Go, but the tarfile module and the tar package
+#    lack support for writing sparse files.
+#  + We use the Ubuntu 22.04 Docker image with tar v1.29 that uses SEEK_DATA/SEEK_HOLE to manage sparse files.
+#
+
+verbose=""
+if [[ $1 == "-v" || $1 == "--verbose" ]] ; then
+	verbose="-v"
+	shift
+fi
+
+if [[ $# -ne 3 || ! $2 =~ ^(save|load)$ ]] ; then
+	echo "Usage: $0 [-v|--verbose] CONTAINER [save|load] TARBALL" >&2
+	exit 1
+fi
+
+IMAGE="ubuntu:22.04"
+
+# Set DOCKER=podman if you want to use podman.io instead of docker
+DOCKER=${DOCKER:-"docker"}
+
+get_volumes () {
+	$DOCKER inspect --type container -f '{{range .Mounts}}{{printf "%v\x00" .Destination}}{{end}}' "$CONTAINER" | head -c -1 | sort -uz
+}
+
+save_volumes () {
+	if [ -f "$TAR_FILE" ] ; then
+		echo "ERROR: $TAR_FILE already exists" >&2
+		exit 1
+	fi
+	umask 077
+	# Create a void tar file to avoid mounting its directory as a volume
+	touch -- "$TAR_FILE"
+	tmp_dir=$(mktemp -du -p /)
+	get_volumes | $DOCKER run --rm -i --volumes-from "$CONTAINER" -e LC_ALL=C.UTF-8 -v "$TAR_FILE:/${tmp_dir}/${TAR_FILE##*/}" $IMAGE tar -c -a $verbose --null -T- -f "/${tmp_dir}/${TAR_FILE##*/}"
+}
+
+load_volumes () {
+	if [ ! -f "$TAR_FILE" ] ; then
+		echo "ERROR: $TAR_FILE doesn't exist in the current directory" >&2
+		exit 1
+	fi
+	tmp_dir=$(mktemp -du -p /)
+	$DOCKER run --rm --volumes-from "$CONTAINER" -e LC_ALL=C.UTF-8 -v "$TAR_FILE:/${tmp_dir}/${TAR_FILE##*/}":ro $IMAGE tar -xp $verbose -S -f "/${tmp_dir}/${TAR_FILE##*/}" -C / --overwrite
+}
+
+CONTAINER="$1"
+TAR_FILE=$(readlink -f "$3")
+
+set -e
+
+case "$2" in
+	save)
+		save_volumes ;;
+	load)
+		load_volumes ;;
+esac

bash/update_all_docker_containers.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+set -e
+
+# Function to preserve and update container
+preserve_and_update_container() {
+    local container=$1
+    local image=$(docker inspect --format '{{.Config.Image}}' "$container")
+
+    # Pull the latest image version
+    docker pull $image
+
+    # Compare image IDs to determine if an update is needed
+    local latest_image_id=$(docker inspect --format '{{.Id}}' $image)
+    local container_image_id=$(docker inspect --format '{{.Image}}' "$container")
+
+    if [[ "$latest_image_id" != "$container_image_id" ]]; then
+        echo "Updating $container..."
+
+        # Capture current configurations
+        local env_vars=$(docker inspect $container --format '{{range .Config.Env}}{{println .}}{{end}}')
+        local volumes=$(docker inspect $container --format '{{range .Mounts}}{{println .Source ":" .Destination}}{{end}}')
+        local network=$(docker network ls --filter id=$(docker inspect $container --format '{{.HostConfig.NetworkMode}}') --format '{{.Name}}')
+
+        # Remove the outdated container
+        docker rm -f $container
+
+        # Recreate the container with the same configurations
+        docker run -d --name $container $(echo "$env_vars" | xargs -I {} echo --env '{}') $(echo "$volumes" | xargs -I {} echo -v '{}') --network="$network" $image
+        echo "$container updated successfully."
+    else
+        echo "$container is already up to date."
+    fi
+}
+
+# Iterate over all running containers
+for container in $(docker ps --format "{{.Names}}"); do
+    preserve_and_update_container $container
+done
+
+echo "Container update check complete while preserving existing container configurations."