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install.sh
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executable file
·704 lines (583 loc) · 17 KB
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#!/bin/sh
# note: we require errors to propagate (don't set -e)
set -u
PROJECT_NAME="quill"
OWNER=anchore
REPO="${PROJECT_NAME}"
GITHUB_DOWNLOAD_PREFIX=https://github.com/${OWNER}/${REPO}/releases/download
INSTALL_SH_BASE_URL=https://get.anchore.io/${PROJECT_NAME}
LEGACY_INSTALL_SH_BASE_URL=https://raw.githubusercontent.com/${OWNER}/${PROJECT_NAME}
PROGRAM_ARGS=$@
# do not change the name of this parameter (this must always be backwards compatible)
DOWNLOAD_TAG_INSTALL_SCRIPT=${DOWNLOAD_TAG_INSTALL_SCRIPT:-true}
#
# usage [script-name]
#
usage() (
this=$1
cat <<EOF
$this: download go binaries for anchore/${PROJECT_NAME}
Usage: $this [-b] dir [-d] [tag]
-b the installation directory (defaults to ./bin)
-d turns on debug logging
-dd turns on trace logging
[tag] the specific release to use (if missing, then the latest will be used)
EOF
exit 2
)
# ------------------------------------------------------------------------
# https://github.com/client9/shlib - portable posix shell functions
# Public domain - http://unlicense.org
# https://github.com/client9/shlib/blob/master/LICENSE.md
# but credit (and pull requests) appreciated.
# ------------------------------------------------------------------------
is_command() (
command -v "$1" >/dev/null
)
echo_stderr() (
echo "$@" 1>&2
)
_logp=2
log_set_priority() {
_logp="$1"
}
log_priority() (
if test -z "$1"; then
echo "$_logp"
return
fi
[ "$1" -le "$_logp" ]
)
init_colors() {
RED=''
BLUE=''
PURPLE=''
BOLD=''
RESET=''
# check if stdout is a terminal
if test -t 1 && is_command tput; then
# see if it supports colors
ncolors=$(tput colors)
if test -n "$ncolors" && test $ncolors -ge 8; then
RED='\033[0;31m'
BLUE='\033[0;34m'
PURPLE='\033[0;35m'
BOLD='\033[1m'
RESET='\033[0m'
fi
fi
}
init_colors
log_tag() (
case $1 in
0) echo "${RED}${BOLD}[error]${RESET}" ;;
1) echo "${RED}[warn]${RESET}" ;;
2) echo "[info]${RESET}" ;;
3) echo "${BLUE}[debug]${RESET}" ;;
4) echo "${PURPLE}[trace]${RESET}" ;;
*) echo "[$1]" ;;
esac
)
log_trace_priority=4
log_trace() (
priority=$log_trace_priority
log_priority "$priority" || return 0
echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
)
log_debug_priority=3
log_debug() (
priority=$log_debug_priority
log_priority "$priority" || return 0
echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
)
log_info_priority=2
log_info() (
priority=$log_info_priority
log_priority "$priority" || return 0
echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
)
log_warn_priority=1
log_warn() (
priority=$log_warn_priority
log_priority "$priority" || return 0
echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
)
log_err_priority=0
log_err() (
priority=$log_err_priority
log_priority "$priority" || return 0
echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
)
uname_os_check() (
os=$1
case "$os" in
darwin) return 0 ;;
dragonfly) return 0 ;;
freebsd) return 0 ;;
linux) return 0 ;;
android) return 0 ;;
nacl) return 0 ;;
netbsd) return 0 ;;
openbsd) return 0 ;;
plan9) return 0 ;;
solaris) return 0 ;;
windows) return 0 ;;
esac
log_err "uname_os_check '$(uname -s)' got converted to '$os' which is not a GOOS value. Please file bug at https://github.com/client9/shlib"
return 1
)
uname_arch_check() (
arch=$1
case "$arch" in
386) return 0 ;;
amd64) return 0 ;;
arm64) return 0 ;;
armv5) return 0 ;;
armv6) return 0 ;;
armv7) return 0 ;;
ppc64) return 0 ;;
ppc64le) return 0 ;;
mips) return 0 ;;
mipsle) return 0 ;;
mips64) return 0 ;;
mips64le) return 0 ;;
s390x) return 0 ;;
amd64p32) return 0 ;;
esac
log_err "uname_arch_check '$(uname -m)' got converted to '$arch' which is not a GOARCH value. Please file bug report at https://github.com/client9/shlib"
return 1
)
unpack() (
archive=$1
log_trace "unpack(archive=${archive})"
case "${archive}" in
*.tar.gz | *.tgz) tar --no-same-owner -xzf "${archive}" ;;
*.tar) tar --no-same-owner -xf "${archive}" ;;
*.zip) unzip -q "${archive}" ;;
*.dmg) extract_from_dmg "${archive}" ;;
*)
log_err "unpack unknown archive format for ${archive}"
return 1
;;
esac
)
extract_from_dmg() (
dmg_file=$1
mount_point="/Volumes/tmp-dmg"
hdiutil attach -quiet -nobrowse -mountpoint "${mount_point}" "${dmg_file}"
cp -fR "${mount_point}/." ./
hdiutil detach -quiet -force "${mount_point}"
)
http_download_curl() (
local_file=$1
source_url=$2
header=$3
log_trace "http_download_curl(local_file=$local_file, source_url=$source_url, header=$header)"
if [ -z "$header" ]; then
code=$(curl -w '%{http_code}' -sL -o "$local_file" "$source_url")
else
code=$(curl -w '%{http_code}' -sL -H "$header" -o "$local_file" "$source_url")
fi
if [ "$code" != "200" ]; then
log_err "received HTTP status=$code for url='$source_url'"
return 1
fi
return 0
)
http_download_wget() (
local_file=$1
source_url=$2
header=$3
log_trace "http_download_wget(local_file=$local_file, source_url=$source_url, header=$header)"
if [ -z "$header" ]; then
wget -q -O "$local_file" "$source_url"
else
wget -q --header "$header" -O "$local_file" "$source_url"
fi
)
http_download() (
log_debug "http_download(url=$2)"
if is_command curl; then
http_download_curl "$@"
return
elif is_command wget; then
http_download_wget "$@"
return
fi
log_err "http_download unable to find wget or curl"
return 1
)
http_copy() (
tmp=$(mktemp)
http_download "${tmp}" "$1" "$2" || return 1
body=$(cat "$tmp")
rm -f "${tmp}"
echo "$body"
)
hash_sha256() (
TARGET=${1:-/dev/stdin}
if is_command gsha256sum; then
hash=$(gsha256sum "$TARGET") || return 1
echo "$hash" | cut -d ' ' -f 1
elif is_command sha256sum; then
hash=$(sha256sum "$TARGET") || return 1
echo "$hash" | cut -d ' ' -f 1
elif is_command shasum; then
hash=$(shasum -a 256 "$TARGET" 2>/dev/null) || return 1
echo "$hash" | cut -d ' ' -f 1
elif is_command openssl; then
hash=$(openssl -dst openssl dgst -sha256 "$TARGET") || return 1
echo "$hash" | cut -d ' ' -f a
else
log_err "hash_sha256 unable to find command to compute sha-256 hash"
return 1
fi
)
hash_sha256_verify() (
TARGET=$1
checksums=$2
if [ -z "$checksums" ]; then
log_err "hash_sha256_verify checksum file not specified in arg2"
return 1
fi
BASENAME=${TARGET##*/}
want=$(grep "${BASENAME}" "${checksums}" 2>/dev/null | tr '\t' ' ' | cut -d ' ' -f 1)
if [ -z "$want" ]; then
log_err "hash_sha256_verify unable to find checksum for '${TARGET}' in '${checksums}'"
return 1
fi
got=$(hash_sha256 "$TARGET")
if [ "$want" != "$got" ]; then
log_err "hash_sha256_verify checksum for '$TARGET' did not verify ${want} vs $got"
return 1
fi
)
# ------------------------------------------------------------------------
# End of functions from https://github.com/client9/shlib
# ------------------------------------------------------------------------
# asset_file_exists [path]
#
# returns 1 if the given file does not exist
#
asset_file_exists() (
path="$1"
if [ ! -f "${path}" ]; then
return 1
fi
)
# github_release_json [owner] [repo] [version]
#
# outputs release json string
#
github_release_json() (
owner=$1
repo=$2
version=$3
test -z "$version" && version="latest"
giturl="https://github.com/${owner}/${repo}/releases/${version}"
json=$(http_copy "$giturl" "Accept:application/json")
log_trace "github_release_json(owner=${owner}, repo=${repo}, version=${version}) returned '${json}'"
test -z "$json" && return 1
echo "${json}"
)
# extract_value [key-value-pair]
#
# outputs value from a colon delimited key-value pair
#
extract_value() (
key_value="$1"
IFS=':' read -r _ value << EOF
${key_value}
EOF
echo "$value"
)
# extract_json_value [json] [key]
#
# outputs value of the key from the given json string
#
extract_json_value() (
json="$1"
key="$2"
key_value=$(echo "${json}" | grep -o "\"$key\":[^,]*[,}]" | tr -d '",}')
extract_value "$key_value"
)
# github_release_tag [release-json]
#
# outputs release tag string
#
github_release_tag() (
json="$1"
tag=$(extract_json_value "${json}" "tag_name")
test -z "$tag" && return 1
echo "$tag"
)
# download_github_release_checksums [release-url-prefix] [name] [version] [output-dir]
#
# outputs path to the downloaded checksums file
#
download_github_release_checksums() (
download_url="$1"
name="$2"
version="$3"
output_dir="$4"
log_trace "download_github_release_checksums(url=${download_url}, name=${name}, version=${version}, output_dir=${output_dir})"
checksum_filename=${name}_${version}_checksums.txt
checksum_url=${download_url}/${checksum_filename}
output_path="${output_dir}/${checksum_filename}"
http_download "${output_path}" "${checksum_url}" ""
asset_file_exists "${output_path}"
log_trace "download_github_release_checksums() returned '${output_path}'"
echo "${output_path}"
)
# search_for_asset [checksums-file-path] [name] [os] [arch] [format]
#
# outputs name of the asset to download
#
search_for_asset() (
checksum_path="$1"
name="$2"
os="$3"
arch="$4"
format="$5"
log_trace "search_for_asset(checksum-path=${checksum_path}, name=${name}, os=${os}, arch=${arch}, format=${format})"
asset_glob="${name}_.*_${os}_${arch}.${format}"
output_path=$(grep -o "${asset_glob}" "${checksum_path}" || true)
log_trace "search_for_asset() returned '${output_path}'"
echo "${output_path}"
)
# uname_os
#
# outputs an adjusted os value
#
uname_os() (
os=$(uname -s | tr '[:upper:]' '[:lower:]')
case "$os" in
cygwin_nt*) os="windows" ;;
mingw*) os="windows" ;;
msys_nt*) os="windows" ;;
esac
uname_os_check "$os"
log_trace "uname_os() returned '${os}'"
echo "$os"
)
# uname_arch
#
# outputs an adjusted architecture value
#
uname_arch() (
arch=$(uname -m)
case $arch in
x86_64) arch="amd64" ;;
x86) arch="386" ;;
i686) arch="386" ;;
i386) arch="386" ;;
aarch64) arch="arm64" ;;
armv5*) arch="armv5" ;;
armv6*) arch="armv6" ;;
armv7*) arch="armv7" ;;
esac
uname_arch_check "${arch}"
log_trace "uname_arch() returned '${arch}'"
echo "${arch}"
)
# get_release_tag [owner] [repo] [tag]
#
# outputs tag string
#
get_release_tag() (
owner="$1"
repo="$2"
tag="$3"
log_trace "get_release_tag(owner=${owner}, repo=${repo}, tag=${tag})"
json=$(github_release_json "${owner}" "${repo}" "${tag}")
real_tag=$(github_release_tag "${json}")
if test -z "${real_tag}"; then
return 1
fi
log_trace "get_release_tag() returned '${real_tag}'"
echo "${real_tag}"
)
# tag_to_version [tag]
#
# outputs version string
#
tag_to_version() (
tag="$1"
value="${tag#v}"
log_trace "tag_to_version(tag=${tag}) returned '${value}'"
echo "$value"
)
# get_binary_name [os] [arch] [default-name]
#
# outputs a the binary string name
#
get_binary_name() (
os="$1"
arch="$2"
binary="$3"
original_binary="${binary}"
case "${os}" in
windows) binary="${binary}.exe" ;;
esac
log_trace "get_binary_name(os=${os}, arch=${arch}, binary=${original_binary}) returned '${binary}'"
echo "${binary}"
)
# get_format_name [os] [arch] [default-format]
#
# outputs an adjusted file format
#
get_format_name() (
os="$1"
arch="$2"
format="$3"
original_format="${format}"
case ${os} in
windows) format=zip ;;
esac
log_trace "get_format_name(os=${os}, arch=${arch}, format=${original_format}) returned '${format}'"
echo "${format}"
)
# download_and_install_asset [release-url-prefix] [download-path] [install-path] [name] [os] [arch] [version] [format] [binary]
#
# attempts to download the archive and install it to the given path.
#
download_and_install_asset() (
download_url="$1"
download_path="$2"
install_path=$3
name="$4"
os="$5"
arch="$6"
version="$7"
format="$8"
binary="$9"
asset_filepath=$(download_asset "${download_url}" "${download_path}" "${name}" "${os}" "${arch}" "${version}" "${format}")
# don't continue if we couldn't download an asset
if [ -z "${asset_filepath}" ]; then
log_err "could not find release asset for os='${os}' arch='${arch}' format='${format}' "
return 1
fi
install_asset "${asset_filepath}" "${install_path}" "${binary}"
)
# download_asset [release-url-prefix] [download-path] [name] [os] [arch] [version] [format] [binary]
#
# outputs the path to the downloaded asset asset_filepath
#
download_asset() (
download_url="$1"
destination="$2"
name="$3"
os="$4"
arch="$5"
version="$6"
format="$7"
log_trace "download_asset(url=${download_url}, destination=${destination}, name=${name}, os=${os}, arch=${arch}, version=${version}, format=${format})"
checksums_filepath=$(download_github_release_checksums "${download_url}" "${name}" "${version}" "${destination}")
log_trace "checksums content:\n$(cat ${checksums_filepath})"
asset_filename=$(search_for_asset "${checksums_filepath}" "${name}" "${os}" "${arch}" "${format}")
# don't continue if we couldn't find a matching asset from the checksums file
if [ -z "${asset_filename}" ]; then
return 1
fi
asset_url="${download_url}/${asset_filename}"
asset_filepath="${destination}/${asset_filename}"
http_download "${asset_filepath}" "${asset_url}" ""
hash_sha256_verify "${asset_filepath}" "${checksums_filepath}"
log_trace "download_asset_by_checksums_file() returned '${asset_filepath}'"
echo "${asset_filepath}"
)
# install_asset [asset-path] [destination-path] [binary]
#
install_asset() (
asset_filepath="$1"
destination="$2"
binary="$3"
log_trace "install_asset(asset=${asset_filepath}, destination=${destination}, binary=${binary})"
# don't continue if we don't have anything to install
if [ -z "${asset_filepath}" ]; then
return
fi
archive_dir=$(dirname "${asset_filepath}")
# unarchive the downloaded archive to the temp dir
(cd "${archive_dir}" && unpack "${asset_filepath}")
# create the destination dir
test ! -d "${destination}" && install -d "${destination}"
# install the binary to the destination dir
install "${archive_dir}/${binary}" "${destination}/"
)
main() (
# parse arguments
# note: never change default install directory (this must always be backwards compatible)
install_dir=${install_dir:-./bin}
# note: never change the program flags or arguments (this must always be backwards compatible)
while getopts "b:dh?x" arg; do
case "$arg" in
b) install_dir="$OPTARG" ;;
d)
if [ "$_logp" = "$log_info_priority" ]; then
# -d == debug
log_set_priority $log_debug_priority
else
# -dd (or -ddd...) == trace
log_set_priority $log_trace_priority
fi
;;
h | \?) usage "$0" ;;
x) set -x ;;
esac
done
shift $((OPTIND - 1))
set +u
tag=$1
if [ -z "${tag}" ]; then
log_debug "checking github for the current release tag"
tag=""
else
log_debug "checking github for release tag='${tag}'"
fi
set -u
tag=$(get_release_tag "${OWNER}" "${REPO}" "${tag}")
if [ "$?" != "0" ]; then
log_err "unable to find tag='${tag}'"
log_err "do not specify a version or select a valid version from https://github.com/${OWNER}/${REPO}/releases"
return 1
fi
# run the application
version=$(tag_to_version "${tag}")
os=$(uname_os)
arch=$(uname_arch)
format=$(get_format_name "${os}" "${arch}" "tar.gz")
binary=$(get_binary_name "${os}" "${arch}" "${PROJECT_NAME}")
download_url="${GITHUB_DOWNLOAD_PREFIX}/${tag}"
# we always use the install.sh script that is associated with the tagged release. Why? the latest install.sh is not
# guaranteed to be able to install every version of the application. We use the DOWNLOAD_TAG_INSTALL_SCRIPT env var
# to indicate if we should continue processing with the existing script or to download the script from the given tag.
if [ "${DOWNLOAD_TAG_INSTALL_SCRIPT}" = "true" ]; then
export DOWNLOAD_TAG_INSTALL_SCRIPT=false
log_info "fetching release script for tag='${tag}'"
if ! install_script=$(http_copy "${INSTALL_SH_BASE_URL}/${tag}/install.sh" ""); then
log_warn "failed to fetch from ${INSTALL_SH_BASE_URL}, trying fallback URL"
install_script=$(http_copy "${LEGACY_INSTALL_SH_BASE_URL}/${tag}/install.sh" "")
fi
echo "${install_script}" | sh -s -- ${PROGRAM_ARGS}
exit $?
fi
log_info "using release tag='${tag}' version='${version}' os='${os}' arch='${arch}'"
download_dir=$(mktemp -d)
trap 'rm -rf -- "$download_dir"' EXIT
log_debug "downloading files into ${download_dir}"
download_and_install_asset "${download_url}" "${download_dir}" "${install_dir}" "${PROJECT_NAME}" "${os}" "${arch}" "${version}" "${format}" "${binary}"
# don't continue if we couldn't install the asset
if [ "$?" != "0" ]; then
log_err "failed to install ${PROJECT_NAME}"
return 1
fi
log_info "installed ${install_dir}/${binary}"
)
# entrypoint
set +u
if [ -z "${TEST_INSTALL_SH}" ]; then
set -u
main "$@"
fi
set -u