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Merge pull request #8958 from fidencio/topic/kata-manager-nerdctl-support
kata-manager: Add support for nerdctl installation
This commit is contained in:
Fabiano Fidêncio
GitHub
commit
11ba90ebf2
@ -31,6 +31,11 @@ readonly docker_slug="moby/moby"
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readonly docker_project="Docker (moby)"
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readonly docker_releases_url="https://api.github.com/repos/${docker_slug}/releases"
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readonly nerdctl_slug="containerd/nerdctl"
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readonly nerdctl_project="nerdctl"
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readonly nerdctl_releases_url="https://api.github.com/repos/${nerdctl_slug}/releases"
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readonly nerdctl_supported_arches="x86_64 aarch64"
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# Directory created when unpacking a binary release archive downloaded from
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# $kata_releases_url.
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readonly kata_install_dir="${kata_install_dir:-/opt/kata}"
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@ -182,6 +187,10 @@ github_get_release_file_url()
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case "$url" in
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*kata*)
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regex="kata-static-${version}-${arch_regex}.tar.xz" ;;
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*nerdctl*)
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# Keep this *always* before the containerd check, as it comes from
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# the very same containerd organisation on GitHub.
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regex="nerdctl-full-${version_number}-linux-${arch_regex}.tar.gz" ;;
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*containerd*)
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regex="containerd-${version_number}-linux-${arch_regex}.tar.gz" ;;
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*) die "invalid url: '$url'" ;;
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@ -261,6 +270,7 @@ Options:
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https://containerd.io/releases/#support-horizon
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-d : Enable debug for all components.
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-D : Install Docker server and CLI tooling (takes priority over '-c').
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-N : Install nerdctl (takes priority over '-c', only implemented for x86_64 and ARM).
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-f : Force installation (use with care).
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-h : Show this help statement.
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-k <version> : Specify Kata Containers version.
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@ -467,43 +477,84 @@ install_containerd()
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info "$project installed\n"
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}
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install_nerdctl()
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{
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local project="$nerdctl_project"
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info "Downloading $project latest release"
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local results
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results=$(github_download_package \
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"$nerdctl_releases_url" \
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"" \
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"$project")
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[ -z "$results" ] && die "Cannot download $project release file"
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local version
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version=$(echo "$results"|cut -d: -f1)
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local file
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file=$(echo "$results"|cut -d: -f2-)
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[ -z "$version" ] && die "Cannot determine $project resolved version"
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[ -z "$file" ] && die "Cannot determine $project release file"
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info "Installing $project release $version from $file"
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sudo tar -C /usr/local -xvf "${file}"
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for file in \
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/usr/local/bin/containerd \
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/usr/local/bin/ctr \
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/usr/local/bin/nerdctl
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do
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sudo ln -sf "$file" "${link_dir}"
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done
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info "$project installed\n"
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}
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configure_containerd()
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{
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local enable_debug="${1:-}"
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[ -z "$enable_debug" ] && die "no enable debug value"
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local configure_systemd_service="${2:-true}"
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local project="$containerd_project"
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info "Configuring $project"
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local systemd_unit_dir="/etc/systemd/system"
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sudo mkdir -p "$systemd_unit_dir"
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local dest="${systemd_unit_dir}/${containerd_service_name}"
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if [ ! -f "$dest" ]
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if [ "$configure_systemd_service" = "true" ]
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then
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pushd "$tmpdir" >/dev/null
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local service_url
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service_url=$(printf "%s/%s/%s/%s" \
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"https://raw.githubusercontent.com" \
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"${containerd_slug}" \
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"main" \
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"${containerd_service_name}")
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curl -LO "$service_url"
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printf "# %s: Service installed for Kata Containers\n" \
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"$(date -Iseconds)" |\
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tee -a "$containerd_service_name"
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sudo cp "${containerd_service_name}" "${dest}"
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sudo systemctl daemon-reload
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info "Installed ${dest}"
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popd >/dev/null
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local systemd_unit_dir="/etc/systemd/system"
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sudo mkdir -p "$systemd_unit_dir"
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local dest="${systemd_unit_dir}/${containerd_service_name}"
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if [ ! -f "$dest" ]
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then
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pushd "$tmpdir" >/dev/null
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local service_url
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service_url=$(printf "%s/%s/%s/%s" \
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"https://raw.githubusercontent.com" \
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"${containerd_slug}" \
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"main" \
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"${containerd_service_name}")
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curl -LO "$service_url"
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printf "# %s: Service installed for Kata Containers\n" \
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"$(date -Iseconds)" |\
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tee -a "$containerd_service_name"
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sudo cp "${containerd_service_name}" "${dest}"
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sudo systemctl daemon-reload
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info "Installed ${dest}"
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popd >/dev/null
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fi
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fi
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# Backup the original containerd configuration:
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@ -572,6 +623,7 @@ configure_containerd()
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fi
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[ "$modified" = "true" ] && info "Modified containerd config file '$containerd_config'"
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sudo systemctl daemon-reload
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sudo systemctl enable containerd
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sudo systemctl start containerd
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@ -782,6 +834,25 @@ handle_docker()
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docker --version
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}
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handle_nerdctl()
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{
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{ containerd_installed; ret=$?; } || true
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if [ "$ret" -eq 0 ]
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then
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info "Backing up previous $containerd_project configuration"
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[ -e "$containerd_config" ] && sudo mv $containerd_config $containerd_config.system-$(date -Iseconds)
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fi
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install_nerdctl
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configure_containerd "$enable_debug" "false"
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sudo systemctl enable --now containerd
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containerd --version
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nerdctl --version
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}
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test_installation()
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{
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local tool="${1:-}"
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@ -853,9 +924,11 @@ handle_installation()
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local kata_version="${7:-}"
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local containerd_flavour="${8:-}"
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local install_docker="${9:-}"
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local install_nerdctl="${10:-}"
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[ -z "$install_docker" ] && die "no install docker value"
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[ -z "$install_nerdctl" ] && die "no install nerdctl value"
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local kata_tarball="${10:-}"
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local kata_tarball="${11:-}"
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# The tool to be testing the installation with
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local tool="ctr"
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@ -871,6 +944,24 @@ handle_installation()
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tool="docker"
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fi
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if [ "$install_nerdctl" = "true" ]
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then
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local arch=$(uname -m)
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if ! grep -q " $arch " <<< " $nerdctl_supported_arches "
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then
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die "nerdctl deployment only supports $nerdctl_supported_arches"
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fi
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if [ "$skip_containerd" = "false" ]
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then
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# The script provided by nerdctl already takes care
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# of properly installing containerd
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skip_containerd="true"
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info "Containerd will be installed during the nerdctl installation ('-c' option ignored)"
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fi
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tool="nerdctl"
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fi
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[ "$only_run_test" = "true" ] && test_installation "$tool" && return 0
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setup "$cleanup" "$force" "$skip_containerd"
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@ -883,16 +974,22 @@ handle_installation()
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"$force" \
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"$enable_debug"
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[ "$install_docker" = "true" ] && [ "$install_nerdctl" = "true" ] && \
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die "Installing docker and nerdctl at the same time is not possible."
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[ "$install_docker" = "true" ] && handle_docker
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[ "$install_nerdctl" = "true" ] && handle_nerdctl
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[ "$disable_test" = "false" ] && test_installation "$tool"
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if [ "$skip_containerd" = "true" ] && [ "$install_docker" = "false" ]
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if [ "$skip_containerd" = "true" ] && ( [ "$install_docker" = "false" ] || [ "$install_nerdctl" = "false" ] )
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then
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info "$kata_project is now installed"
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else
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local extra_projects="containerd"
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[ "$install_docker" = "true" ] && extra_projects+=" and docker"
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[ "$install_nerdctl" = "true" ] && extra_projects+=" and nerdctl"
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info "$kata_project and $extra_projects are now installed"
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fi
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@ -965,6 +1062,7 @@ handle_args()
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local only_run_test="false"
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local enable_debug="false"
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local install_docker="false"
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local install_nerdctl="false"
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local list_versions='false'
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local opt
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@ -973,7 +1071,7 @@ handle_args()
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local containerd_flavour="lts"
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local kata_tarball=""
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while getopts "c:dDfhk:K:lortT" opt "$@"
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while getopts "c:dDfhk:K:lNortT" opt "$@"
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do
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case "$opt" in
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c) containerd_flavour="$OPTARG" ;;
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@ -984,6 +1082,7 @@ handle_args()
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k) kata_version="$OPTARG" ;;
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K) kata_tarball="$OPTARG" ;;
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l) list_versions='true' ;;
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N) install_nerdctl="true" ;;
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o) skip_containerd="true" ;;
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r) cleanup="false" ;;
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t) disable_test="true" ;;
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@ -1012,6 +1111,7 @@ handle_args()
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"$kata_version" \
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"$containerd_flavour" \
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"$install_docker" \
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"$install_nerdctl" \
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"$kata_tarball"
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}
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