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version.sh
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version.sh
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#!/bin/bash
# Copyright 2014 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Source: https://raw.githubusercontent.com/kubernetes/kubernetes/release-1.10/hack/lib/version.sh
# Changes: Updated location of version to github.com/platform9/nodeadm/vendor/k8s.io/kubernetes/pkg/version
# Version management helpers. These functions help to set, save and load the
# following variables:
#
# KUBE_GIT_COMMIT - The git commit id corresponding to this
# source code.
# KUBE_GIT_TREE_STATE - "clean" indicates no changes since the git commit id
# "dirty" indicates source code changes after the git commit id
# "archive" indicates the tree was produced by 'git archive'
# KUBE_GIT_VERSION - "vX.Y" used to indicate the last release version.
# KUBE_GIT_MAJOR - The major part of the version
# KUBE_GIT_MINOR - The minor component of the version
# Grovels through git to set a set of env variables.
#
# If KUBE_GIT_VERSION_FILE, this function will load from that file instead of
# querying git.
kube::version::get_version_vars() {
if [[ -n ${KUBE_GIT_VERSION_FILE-} ]]; then
kube::version::load_version_vars "${KUBE_GIT_VERSION_FILE}"
return
fi
# If the kubernetes source was exported through git archive, then
# we likely don't have a git tree, but these magic values may be filled in.
if [[ '$Format:%%$' == "%" ]]; then
KUBE_GIT_COMMIT='$Format:%H$'
KUBE_GIT_TREE_STATE="archive"
# When a 'git archive' is exported, the '$Format:%D$' below will look
# something like 'HEAD -> release-1.8, tag: v1.8.3' where then 'tag: '
# can be extracted from it.
if [[ '$Format:%D$' =~ tag:\ (v[^ ,]+) ]]; then
KUBE_GIT_VERSION="${BASH_REMATCH[1]}"
fi
fi
local git=(git --work-tree "${KUBE_ROOT}")
if [[ -n ${KUBE_GIT_COMMIT-} ]] || KUBE_GIT_COMMIT=$("${git[@]}" rev-parse "HEAD^{commit}" 2>/dev/null); then
if [[ -z ${KUBE_GIT_TREE_STATE-} ]]; then
# Check if the tree is dirty. default to dirty
if git_status=$("${git[@]}" status --porcelain 2>/dev/null) && [[ -z ${git_status} ]]; then
KUBE_GIT_TREE_STATE="clean"
else
KUBE_GIT_TREE_STATE="dirty"
fi
fi
# Use git describe to find the version based on annotated tags.
if [[ -n ${KUBE_GIT_VERSION-} ]] || KUBE_GIT_VERSION=$("${git[@]}" describe --tags --abbrev=14 "${KUBE_GIT_COMMIT}^{commit}" 2>/dev/null); then
# This translates the "git describe" to an actual semver.org
# compatible semantic version that looks something like this:
# v1.1.0-alpha.0.6+84c76d1142ea4d
#
# TODO: We continue calling this "git version" because so many
# downstream consumers are expecting it there.
DASHES_IN_VERSION=$(echo "${KUBE_GIT_VERSION}" | sed "s/[^-]//g")
if [[ "${DASHES_IN_VERSION}" == "---" ]] ; then
# We have distance to subversion (v1.1.0-subversion-1-gCommitHash)
KUBE_GIT_VERSION=$(echo "${KUBE_GIT_VERSION}" | sed "s/-\([0-9]\{1,\}\)-g\([0-9a-f]\{14\}\)$/.\1\+\2/")
elif [[ "${DASHES_IN_VERSION}" == "--" ]] ; then
# We have distance to base tag (v1.1.0-1-gCommitHash)
KUBE_GIT_VERSION=$(echo "${KUBE_GIT_VERSION}" | sed "s/-g\([0-9a-f]\{14\}\)$/+\1/")
fi
if [[ "${KUBE_GIT_TREE_STATE}" == "dirty" ]]; then
# git describe --dirty only considers changes to existing files, but
# that is problematic since new untracked .go files affect the build,
# so use our idea of "dirty" from git status instead.
KUBE_GIT_VERSION+="-dirty"
fi
# Try to match the "git describe" output to a regex to try to extract
# the "major" and "minor" versions and whether this is the exact tagged
# version or whether the tree is between two tagged versions.
if [[ "${KUBE_GIT_VERSION}" =~ ^v([0-9]+)\.([0-9]+)(\.[0-9]+)?([-].*)?([+].*)?$ ]]; then
KUBE_GIT_MAJOR=${BASH_REMATCH[1]}
KUBE_GIT_MINOR=${BASH_REMATCH[2]}
if [[ -n "${BASH_REMATCH[4]}" ]]; then
KUBE_GIT_MINOR+="+"
fi
fi
fi
fi
}
# Saves the environment flags to $1
kube::version::save_version_vars() {
local version_file=${1-}
[[ -n ${version_file} ]] || {
echo "!!! Internal error. No file specified in kube::version::save_version_vars"
return 1
}
cat <<EOF >"${version_file}"
KUBE_GIT_COMMIT='${KUBE_GIT_COMMIT-}'
KUBE_GIT_TREE_STATE='${KUBE_GIT_TREE_STATE-}'
KUBE_GIT_VERSION='${KUBE_GIT_VERSION-}'
KUBE_GIT_MAJOR='${KUBE_GIT_MAJOR-}'
KUBE_GIT_MINOR='${KUBE_GIT_MINOR-}'
EOF
}
# Loads up the version variables from file $1
kube::version::load_version_vars() {
local version_file=${1-}
[[ -n ${version_file} ]] || {
echo "!!! Internal error. No file specified in kube::version::load_version_vars"
return 1
}
source "${version_file}"
}
kube::version::ldflag() {
local key=${1}
local val=${2}
# If you update these, also update the list pkg/version/def.bzl.
echo "-X github.com/platform9/nodeadm/vendor/k8s.io/kubernetes/pkg/version.${key}=${val}"
}
# Prints the value that needs to be passed to the -ldflags parameter of go build
# in order to set the Kubernetes based on the git tree status.
# IMPORTANT: if you update any of these, also update the lists in
# pkg/version/def.bzl and hack/print-workspace-status.sh.
kube::version::ldflags() {
kube::version::get_version_vars
local buildDate=
[[ -z ${SOURCE_DATE_EPOCH-} ]] || buildDate="--date=@${SOURCE_DATE_EPOCH}"
local -a ldflags=($(kube::version::ldflag "buildDate" "$(date ${buildDate} -u +'%Y-%m-%dT%H:%M:%SZ')"))
if [[ -n ${KUBE_GIT_COMMIT-} ]]; then
ldflags+=($(kube::version::ldflag "gitCommit" "${KUBE_GIT_COMMIT}"))
ldflags+=($(kube::version::ldflag "gitTreeState" "${KUBE_GIT_TREE_STATE}"))
fi
if [[ -n ${KUBE_GIT_VERSION-} ]]; then
ldflags+=($(kube::version::ldflag "gitVersion" "${KUBE_GIT_VERSION}"))
fi
if [[ -n ${KUBE_GIT_MAJOR-} && -n ${KUBE_GIT_MINOR-} ]]; then
ldflags+=(
$(kube::version::ldflag "gitMajor" "${KUBE_GIT_MAJOR}")
$(kube::version::ldflag "gitMinor" "${KUBE_GIT_MINOR}")
)
fi
# The -ldflags parameter takes a single string, so join the output.
echo "${ldflags[*]-}"
}