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compose-switch is installed as a Linux "alternative" to docker-compose
Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>
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@@ -35,6 +35,3 @@ jobs: | |
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| - name: Test | ||
| run: make test | ||
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| - name: e2e | ||
| run: make bin e2e | ||
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| Compose Switch | ||
| -------------- | ||
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| This is a thin wrapper to actually run either docker-compose v1 (python) or docker compose v2 (compose CLI plugin) depending on user's configuration | ||
| Compose Switch is a replacement to the Compose V1 `docker-compose` (python) executable. It translates the command line into Compose V2 `docker compose` then run the latter. | ||
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| ## installation | ||
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| We provide an script for automated installation: | ||
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| ```console | ||
| $ curl -fL https://raw.githubusercontent.com/docker/compose-cli/main/scripts/install/install_linux.sh | sh | ||
| ``` | ||
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| ### Manual installation | ||
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| 1. download compose-switch binary for your architecture | ||
| ```console | ||
| $ curl -fL https://github.com/docker/compose-switch/releases/download/v1.0.1/docker-compose-linux-amd64 -o /usr/local/bin/compose-switch | ||
| ``` | ||
| 2. make compose-switch executable | ||
| ```console | ||
| $ chmod +x /usr/local/bin/compose-switch | ||
| ``` | ||
| 3. rename `docker-compose` binary if you already have it installed as `/usr/local/bin/docker-compose` | ||
| ```console | ||
| $ mv /usr/local/bin/docker-compose /usr/local/bin/docker-compose-v1 | ||
| ``` | ||
| 4. define an "alternatives" group for `docker-compose` command: | ||
| ```console | ||
| $ update-alternatives --install /usr/local/bin/docker-compose docker-compose <PATH_TO_DOCKER_COMPOSE_V1> 1 | ||
| $ update-alternatives --install /usr/local/bin/docker-compose docker-compose /usr/local/bin/compose-switch 99 | ||
| ``` | ||
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| ## check installation | ||
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| ```console | ||
| $ update-alternatives --display docker-compose | ||
| docker-compose - auto mode | ||
| link best version is /usr/local/bin/compose-switch | ||
| link currently points to /usr/local/bin/compose-switch | ||
| link docker-compose is /usr/local/bin/docker-compose | ||
| /usr/bin/docker-compose - priority 1 | ||
| /usr/local/bin/compose-switch - priority 99 | ||
| ``` | ||
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| ## select Compose implementation to run by `docker-compose` | ||
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| ```console | ||
| $ update-alternatives --config docker-compose | ||
| There are 2 choices for the alternative docker-compose (providing /usr/local/bin/docker-compose). | ||
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| Selection Path Priority Status | ||
| ------------------------------------------------------------ | ||
| * 0 /usr/local/bin/compose-switch 99 auto mode | ||
| 1 /usr/bin/docker-compose 1 manual mode | ||
| 2 /usr/local/bin/compose-switch 99 manual mode | ||
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| Press <enter> to keep the current choice[*], or type selection number: | ||
| ``` |
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| FROM centos | ||
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| RUN yum install -y curl yum-utils | ||
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| # install docker cli | ||
| RUN yum-config-manager \ | ||
| --add-repo \ | ||
| https://download.docker.com/linux/centos/docker-ce.repo | ||
| RUN yum install -y docker-ce-cli | ||
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| # install compose v1 | ||
| RUN curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose | ||
| RUN chmod +x /usr/local/bin/docker-compose | ||
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| # install compose v2 | ||
| RUN mkdir -p /usr/local/lib/docker/cli-plugins | ||
| RUN curl -L https://github.com/docker/compose/releases/download/v2.0.0-rc.3/docker-compose-linux-amd64 > /usr/local/lib/docker/cli-plugins/docker-compose | ||
| RUN chmod +x /usr/local/lib/docker/cli-plugins/docker-compose | ||
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| COPY install_on_linux.sh /tmp/install_on_linux.sh | ||
| RUN /tmp/install_on_linux.sh | ||
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| RUN docker-compose --version |
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| #!/bin/sh | ||
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| COMPOSE_SWITCH_VERSION="1.0.0" | ||
| COMPOSE_SWITCH_URL="https://github.com/docker/compose-switch/releases/download/$COMPOSE_SWITCH_VERSION/docker-compose" | ||
| DOCKER_COMPOSE_V1_PATH_ORIG="$(which docker-compose)" | ||
| DOCKER_COMPOSE_V1_PATH_NEW="$DOCKER_COMPOSE_V1_PATH_ORIG-v1" | ||
| set -e | ||
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| if [ ! -f "${DOCKER_COMPOSE_V1_PATH_ORIG}" ]; then | ||
| echo "'docker-compose' V1 could not be found in PATH. Aborting..." | ||
| exit 1 | ||
| fi | ||
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| if [ -f "${DOCKER_COMPOSE_V1_PATH_NEW}" ]; then | ||
| echo "Looks like docker-compose V1->V2 switch is already installed. 'docker-compose' binary was already moved to '${DOCKER_COMPOSE_V1_PATH_NEW}'." | ||
| echo "If you are trying to re-enable Docker Compose V2, please run:" | ||
| echo "$ docker-compose enable-v2" | ||
| exit 0 | ||
| fi | ||
| ARCHITECTURE=amd64 | ||
| if [ "$(uname -m)" = "aarch64" ]; then | ||
| ARCHITECTURE=arm64 | ||
| fi | ||
| COMPOSE_SWITCH_VERSION="v1.0.1" | ||
| COMPOSE_SWITCH_URL="https://github.com/docker/compose-switch/releases/download/${COMPOSE_SWITCH_VERSION}/docker-compose-linux-${ARCHITECTURE}" | ||
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| error=$(docker compose version 2>&1 >/dev/null) | ||
| if [ $? -ne 0 ]; then | ||
| echo "Docker Compose V2 is not installed" | ||
| exit 1 | ||
| fi | ||
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| TMP_FILE=$(mktemp) | ||
| echo "Downloading compose V1->V2 switch into $TMP_FILE..." | ||
| curl -L -o "$TMP_FILE" "$COMPOSE_SWITCH_URL" | ||
| chmod +x "$TMP_FILE" | ||
| curl -fL $COMPOSE_SWITCH_URL -o /usr/local/bin/compose-switch | ||
| chmod +x /usr/local/bin/compose-switch | ||
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| echo "Switching Docker Compose binary" | ||
| mv "$DOCKER_COMPOSE_V1_PATH_ORIG" "$DOCKER_COMPOSE_V1_PATH_NEW" | ||
| mv "$TMP_FILE" "$DOCKER_COMPOSE_V1_PATH_ORIG" | ||
| COMPOSE=$(command -v docker-compose) | ||
| if [ "$COMPOSE" = /usr/local/bin/docker-compose ]; then | ||
| # This is a manual installation of docker-compose | ||
| # so, safe for us to rename binary | ||
| mv /usr/local/bin/docker-compose /usr/local/bin/docker-compose-v1 | ||
| COMPOSE=/usr/local/bin/docker-compose-v1 | ||
| fi | ||
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| echo "Compose V1->V2 installed" | ||
| ALTERNATIVES="update-alternatives" | ||
| if ! command -v $ALTERNATIVES; then | ||
| ALTERNATIVES=alternatives | ||
| fi | ||
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| $DOCKER_COMPOSE_V1_PATH_ORIG enable-v2 | ||
| echo "Docker Compose V2 enabled" | ||
| docker-compose version | ||
| echo "Configuring `docker-compose` alternatives" | ||
| if [ ! -z $COMPOSE ]; then | ||
| $ALTERNATIVES --install /usr/local/bin/docker-compose docker-compose $COMPOSE 1 | ||
| fi | ||
| $ALTERNATIVES --install /usr/local/bin/docker-compose docker-compose /usr/local/bin/compose-switch 99 | ||
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| echo "To switch back to Compose V1, you can run: `docker-compose disable-v2`" | ||
| echo "'docker-compose' is now set to run Compose V2" | ||
| echo "use '$ALTERNATIVES --config docker-compose' if you want to switch back to Compose V1" |
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