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#!/bin/bash |
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# See https://nextbreakpoint.com/posts/article-compile-code-with-docker.html |
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# sudo docker build -t lmk-devuan-chimaera-img dyne/devuan:chimaera |
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me=lmk.devuan-chimera.sh |
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docker_path="`sudo command -v docker`" |
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if [ ! -f "$docker_path" ]; then |
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cat <<END |
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This script requires docker. For help, see |
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<https://github.com/poikilos/linux-preinstall/blob/master/doc/Docker.md> |
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or Docker's own documentation at |
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<https://docs.docker.com/engine/install/>. |
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END |
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fi |
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container_name="lmk-devuan-chimaera" |
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image_name="lmk-devuan-chimaera-img" |
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source $image_name/project.rc |
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if [ $? -ne 0 ]; then |
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exit 1 |
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fi |
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# sudo docker image inspect $image_name > /dev/null |
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sudo docker image inspect $image_name --format "* docker is looking for the image..." |
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# ^ appending ":latest" to the name also works. |
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# ^ Get matching images as a JSON list (where each has "Id" and other |
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# metadata). |
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if [ $? -ne 0 ]; then |
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if [ ! -d "$local_img_dir" ]; then |
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echo "Error: \"$local_img_dir\" (local_img_dir for storing $SRC_URL) doesn't exist." |
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exit 1 |
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fi |
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if [ ! -f "$container_build_blob" ]; then |
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echo "* downloading $SRC_URL to $DL_SRC_PATH..." |
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curl "$SRC_URL" --progress-bar --output "$DL_SRC_PATH" |
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if [ $? -ne 0 ]; then |
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exit 1 |
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fi |
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if [ ! -f "$container_build_blob" ]; then |
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echo "Error: This script requires \"$container_build_blob\"." |
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exit 1 |
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fi |
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else |
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echo "* using existing \"$container_build_blob\" to build the container image" |
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fi |
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move_back="false" |
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prerelease_path=~/Downloads/minetest.org/insider-prerelease/linux-minetest-kit-220509.zip |
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if [ ! -f $container_build_blob ]; then |
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if [ -f "$prerelease_path" ]; then |
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move_back="true" |
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echo "mv $prerelease_path $container_build_blob" |
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mv $prerelease_path $container_build_blob |
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if [ $? -ne 0 ]; then |
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echo "* Error: the mv command failed." |
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exit 1 |
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fi |
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fi |
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fi |
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sudo docker build -t $image_name $local_img_dir |
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code=$? |
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if [ "@move_back" = "@true" ]; then |
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echo "mv \"$prerelease_path\" \"$container_build_blob\"" |
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mv "$container_build_blob" "$prerelease_path" |
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if [ $? -ne 0 ]; then |
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echo "* Warning: the mv command failed." |
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fi |
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fi |
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if [ $code -ne 0 ]; then |
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exit 1 |
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fi |
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else |
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echo "* The container will be built using the existing docker image $image_name" |
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fi |
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cat <<END |
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How to use the image: |
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# docker options: |
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# -i: is interactive (attach STDIN). |
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# -d: is daemon mode. |
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sudo docker image ls |
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# ^ See what images are installed (one image can be used for many containers). |
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sudo docker rmi $image_name |
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# ^ Remove a docker image (This is necessary after updating the unversioned Docker image to avoid cached RUN commands from doing nothing when the script after RUN changes). |
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sudo docker image prune |
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# ^ Prune unused images (For this to do anything, first delete containers using the image). |
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sudo docker ps -a |
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# ^ List containers and show NAMES (The name is necessary for certain subcommands such as exec which operate on a running container). |
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sudo docker start $container_name |
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# ^ Start a container. |
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sudo docker run $container_name |
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# ^ "run" is merely a combination of "create" and "start" |
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sudo docker -w $contained_repo exec $container_name ls -l $contained_repos |
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# ^ Execute a command in a running container (exec shows an error if the container isn't running). |
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# This will not work if the run/start command that started the container isn't a command that keeps it open (runs indefinitely)! |
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# w: working directory |
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sudo docker stop $container_name |
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# ^ Stop a container by name (See <https://www.tecmint.com/name-docker-containers/>) |
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# You must use the container name (as determined using the "ps" subcommand), not the image name. |
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sudo docker container run -it $image_name /bin/bash |
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# ^ Run an interactive terminal (Type 'exit' to exit) |
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# (based on <https://phoenixnap.com/kb/docker-run-command-with-examples>) |
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sudo docker attach $container_name |
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# ^ Attach your current terminal to a running container (See |
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# <https://docs.docker.com/engine/reference/commandline/attach/>). |
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sudo docker rm --force $container_name |
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# ^ Delete a container by its name. |
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# --force: kill and delete running containers as well. |
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END |
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# sudo docker container run -d --name $image_name unzip xvf $contained_arc -C $contained_repos |
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container_Id=`sudo docker ps -aqf "name=$container_name"` |
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# ^ ONLY works with container_name not image_name |
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cat > /dev/null <<END |
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if [ "@$container_Id" = "@" ]; then |
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echo "* creating a container named $container_name" |
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sudo docker create --name=$container_name $image_name |
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# ^ output is the Id |
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if [ $? -ne 0 ]; then |
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echo "FAILED" |
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exit 1 |
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fi |
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container_Id=`sudo docker ps -aqf "name=$container_name"` |
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if [ -z "$container_Id" ]; then |
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echo "The container_Id couldn't be obtained from sudo docker ps -aqf \"name=$container_name\", so creating the named image failed." |
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exit 1 |
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fi |
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fi |
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echo "container_Id=$container_Id" |
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END |
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printf "starting the docker image..." |
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# sudo docker start $container_name |
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# ^ NOTE: start is useless here since it won't stay open unless the |
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# command is set to "bash" or something, which isn't desirable. |
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# Therefore, use run instead of exec below. |
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# ^ output is $container_name |
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sudo docker run --name $container_name $image_name /opt/build-lmk.sh |
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if [ $? -ne 0 ]; then |
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echo "FAILED" |
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exit 1 |
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else |
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echo "OK" |
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fi |
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# ^ NOTE: start is useless here since it won't stay open unless the |
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# command is set to "bash" or something, which isn't desirable. |
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# Therefore, use run instead of exec below. |
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if [ "@$contained_repo" = "@" ]; then |
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echo "Error: contained_repo can't be blank or checking for its files in the container won't work." |
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exit 1 |
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fi |
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contained_good_repo_flag_path="$contained_repo/$good_repo_flag_name" |
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# sudo docker exec $container_name ls $contained_repo |
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echo "* checking for $contained_good_repo_flag_path on the destination..." |
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sudo docker exec $container_name ls $contained_good_repo_flag_path > /dev/null |
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if [ $? -ne 0 ]; then |
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printf "NO...checking for unzip..." |
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container_unzip="`sudo docker exec $container_name which unzip`" |
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if [ "@$container_unzip" = "@" ]; then |
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echo "NO. Installing..." |
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# This should never happen if the Dockerfile was used. |
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sudo docker exec $container_name apt-get update |
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if [ $? -ne 0 ]; then exit 1; fi |
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sudo docker exec $container_name apt-get install -y unzip |
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if [ $? -ne 0 ]; then exit 1; fi |
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container_unzip="`sudo docker exec $container_name which unzip`" |
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if [ "@$container_unzip" = "@" ]; then |
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echo "Error: Installing unzip in the container did not succeed. Install unzip inside the container manually then try again, or extract linux-minetest-kit such that $contained_good_repo_flag_path exists." |
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exit 1 |
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fi |
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else |
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echo "FOUND" |
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fi |
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# sudo docker container run $image_name unzip xvf $contained_arc -d $contained_repos |
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echo "* extracting $contained_arc" |
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sudo docker exec $container_name unzip $contained_arc -d $contained_repos |
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# -d: is destination, like -C or --directory for tar. |
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# -v: verbose (prevents extraction) |
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if [ $? -ne 0 ]; then |
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echo "Error: unzip failed within the container. Install unzip inside the container manually then try again, or extract linux-minetest-kit such that $contained_good_repo_flag_path exists." |
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exit 1 |
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fi |
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else |
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echo "FOUND (already extracted)" |
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fi |
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# sudo docker exec $container_name ls $contained_repo > /dev/null |
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sudo docker exec $container_name ls $contained_good_repo_flag_path > /dev/null |
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if [ $? -ne 0 ]; then |
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echo "Error: extracting linux-minetest-kit.zip in the container didn't work. Extract linux-minetest-kit.zip to $contained_repos such that $contained_good_repo_flag_path exists in the container and try again." |
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exit 1 |
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else |
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echo "* detected $contained_good_repo_flag_path (So the source directory is assumed to be ok)" |
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fi |
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if [ "@$contained_user" = "@" ]; then |
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echo "Error: contained_user can't be blank, or checking for the user within the container will not work." |
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exit 1 |
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fi |
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sudo docker exec $container_name id -u $contained_user |
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if [ $? -ne 0 ]; then |
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printf "* creating $contained_user in container $container_name..." |
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sudo docker exec $container_name adduser --disabled-password --gecos "" $contained_user --home $contained_home |
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if [ $? -ne 0 ]; then |
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echo "FAILED" |
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exit 1 |
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else |
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echo "OK" |
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fi |
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else |
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echo "* using the $container_name container's existing contained_user: $contained_user" |
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fi |
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# sudo docker container run --name $container_name $image_name ls $contained_repos |
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# sudo docker exec $container_name chown -R $contained_user $contained_repos |
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# ^ Usually you could do this, but run as root since this script is used to test the safety of linux-minetest-kit: |
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# sudo docker exec $container_name curl https://raw.githubusercontent.com/poikilos/EnlivenMinetest/master/install-minetest-build-deps.sh --output /opt/install-minetest-build-deps.sh |
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# sudo docker exec $container_name chmod +x $repo_build_assumptions_cmd |
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# sudo docker exec $container_name $repo_build_assumptions_cmd |
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# ^ moved to Dockerfile |
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echo "* building libraries using $repo_build_libs_cmd..." |
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sudo docker exec -w $contained_src $container_name $repo_build_libs_cmd |
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if [ $? -ne 0 ]; then exit 1; fi |
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# echo "* building program using $repo_build_cmd..." |
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# sudo docker exec -w $contained_src $container_name $repo_build_cmd |
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if [ $? -ne 0 ]; then exit 1; fi |
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# -w: working directory |
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# How to use docker-compose (See <https://docs.docker.com/compose/>): |
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# "1. Define your app’s environment with a Dockerfile so it can be reproduced anywhere." |
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# "2. Define the services that make up your app in docker-compose.yml so they can be run together in an isolated environment." |
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# "3. Run docker compose up and the Docker compose command starts and runs your entire app. You can alternatively run docker-compose up using the docker-compose binary." |
poikilos
2 years ago