49 lines
1.9 KiB
Bash
Executable File
49 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 20-docker — Docker Engine + Compose v2 plugin. $USER added to docker group.
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step_name="docker"
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step_desc="docker engine + compose v2, add \$USER to docker group"
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step_run="run_docker"
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run_docker() {
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log "installing docker + compose v2"
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if command -v docker >/dev/null 2>&1 && docker compose version >/dev/null 2>&1; then
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ok "docker + compose v2 already installed"
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else
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case "$DISTRO" in
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arch) sudo_ pacman -Sy --noconfirm --needed docker docker-compose ;;
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debian) _docker_debian ;;
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esac
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fi
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# enable + start (best-effort; skip inside containers without systemd)
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if command -v systemctl >/dev/null 2>&1 && systemctl is-system-running >/dev/null 2>&1; then
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sudo_ systemctl enable --now docker.service containerd.service 2>/dev/null \
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|| warn "could not enable docker.service (no systemd?)"
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else
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warn "systemctl unavailable — start docker manually if needed"
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fi
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# add current user to docker group
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if getent group docker >/dev/null 2>&1; then
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if id -nG "$USER" | grep -qw docker; then
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ok "$USER already in docker group"
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else
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sudo_ usermod -aG docker "$USER"
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ok "$USER added to docker group (log out/in or 'newgrp docker' to use it)"
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fi
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fi
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}
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_docker_debian() {
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sudo_ install -m 0755 -d /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/$(. /etc/os-release; echo "$ID")/gpg \
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| sudo_ gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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sudo_ chmod a+r /etc/apt/keyrings/docker.gpg
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local codename; codename="$(. /etc/os-release; echo "$VERSION_CODENAME")"
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echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
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https://download.docker.com/linux/$(. /etc/os-release; echo "$ID") $codename stable" \
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| sudo_ tee /etc/apt/sources.list.d/docker.list >/dev/null
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sudo_ apt-get update -y
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sudo_ apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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} |