mirror of
https://github.com/kata-containers/kata-containers.git
synced 2025-06-30 09:13:29 +00:00
fdcde7968a
Update all tools/packaging scripts to prefer the new options over the old ones (e.g. `--config` instead of `--kata-config`). Signed-off-by: Daniel Knittl-Frank <knittl89+git@googlemail.com>
147 lines
3.2 KiB
Bash
147 lines
3.2 KiB
Bash
#!/bin/bash
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# Copyright (c) 2019 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Description: Script to configure Docker for the static
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# version of Kata Containers.
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[ -z "${DEBUG}" ] || set -x
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set -o errexit
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set -o nounset
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set -o pipefail
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docker_config_dir="/etc/docker"
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docker_config_file="${docker_config_file:-${docker_config_dir}/daemon.json}"
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# The static version of Kata Containers is entirely contained within
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# this directory.
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readonly static_base_dir="/opt/kata"
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# Path to runtime in static archive file
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readonly runtime_path="${static_base_dir}/bin/kata-runtime"
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die()
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{
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local msg="$*"
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echo >&2 "ERROR: $msg"
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exit 1
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}
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info()
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{
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local msg="$*"
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echo >&2 "INFO: $msg"
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}
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configure_docker()
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{
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local file="$1"
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[ -z "$file" ] && die "need file"
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mkdir -p "${docker_config_dir}"
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if [ -e "$docker_config_file" ]
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then
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local today=$(date '+%Y-%m-%d')
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local backup="${docker_config_file}.${today}"
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info "Backing up original Docker config file '$docker_config_file' to '$backup'"
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sudo cp "${docker_config_file}" "${docker_config_file}.${today}"
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else
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# Create a minimal valid JSON document
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echo "{}" > "${docker_config_file}"
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fi
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local config_files=$(tar tvf "$file" |\
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grep "/configuration-.*\.toml" |\
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grep -v -- '->' |\
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awk '{print $NF}' |\
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sed 's/^\.//g' || true)
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[ -z "$config_files" ] && die "cannot find any configuration files in '$file'"
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local config
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local -a runtimes
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for config in $(echo "$config_files" | tr '\n' ' ')
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do
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local runtime
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runtime=$(echo "$config" |\
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awk -F \/ '{print $NF}' |\
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sed -e 's/configuration/kata/g' -e 's/\.toml//g')
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runtimes+=("$runtime")
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local result
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result=$(cat "$docker_config_file" |\
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jq \
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--arg config "$config" \
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--arg runtime "$runtime" \
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--arg runtime_path "$runtime_path" \
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'.runtimes[$runtime] = {path: $runtime_path, "runtimeArgs": ["--config", $config]}')
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echo "$result" > "$docker_config_file"
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done
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info "Validating $docker_config_file"
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jq -S . "$docker_config_file" &>/dev/null
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info "Restarting Docker to apply new configuration"
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$chronic sudo systemctl restart docker
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info "Docker configured for the following additional runtimes: ${runtimes[@]}"
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}
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setup()
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{
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source "/etc/os-release" || source "/usr/lib/os-release"
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# Used to manipulate $docker_config_file
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local pkg="jq"
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case "$ID" in
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opensuse*) distro="opensuse" ;;
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*) distro="$ID" ;;
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esac
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# Use chronic(1) if available
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chronic=
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command -v chronic && chronic=chronic
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if command -v "$pkg" &>/dev/null
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then
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return 0
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fi
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info "Cannot find $pkg command so installing package"
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case "$distro" in
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centos|rhel) $chronic sudo -E yum -y install "$pkg" ;;
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debian|ubuntu) $chronic sudo -E apt-get --no-install-recommends install -y "$pkg" ;;
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fedora) $chronic sudo -E dnf -y install "$pkg" ;;
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opensuse|sles) $chronic sudo -E zypper -y install "$pkg" ;;
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*) die "do not know how to install command $pkg' for distro '$distro'" ;;
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esac
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}
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main()
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{
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local file="$1"
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[ -z "$file" ] && die "need full path to Kata Containers static archive file"
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echo "$file" | grep -q "^kata-static-.*\.tar.xz" || die "invalid file: '$file'"
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[ $(id -u) -eq 0 ] || die "must be run as root"
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setup
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configure_docker "$file"
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}
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main "$@"
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