diff --git a/build.sh b/build.sh
index ef06018d6..66d78973a 100755
--- a/build.sh
+++ b/build.sh
@@ -7,7 +7,7 @@ if [[ -n "$FAILPOINTS" ]]; then
   GIT_SHA="$GIT_SHA"-FAILPOINTS
 fi
 
-VERSION_SYMBOL="go.etcd.io/etcd/api/v3/version.GitSHA"
+VERSION_SYMBOL="${ROOT_MODULE}/api/v3/version.GitSHA"
 
 # Set GO_LDFLAGS="-s" for building without symbols for debugging.
 # shellcheck disable=SC2206
@@ -117,9 +117,9 @@ toggle_failpoints_default
 # only build when called directly, not sourced
 if echo "$0" | grep -E "build(.sh)?$" >/dev/null; then
   if etcd_build; then
-    log_success "SUCCESS: etcd_build"
+    log_success "SUCCESS: etcd_build (GOARCH=${GOARCH})"
   else
-    log_error "FAIL: etcd_build"
+    log_error "FAIL: etcd_build (GOARCH=${GOARCH})"
     exit 2
   fi
 fi
diff --git a/scripts/build-binary b/scripts/build-binary
index 4875c4cd3..5bc31cc49 100755
--- a/scripts/build-binary
+++ b/scripts/build-binary
@@ -2,97 +2,104 @@
 
 set -e
 
+source ./scripts/test_lib.sh
+
 VER=$1
-PROJ="etcd"
+REPOSITORY="${REPOSITORY:-https://github.com/etcd-io/etcd}"
+
 
 if [ -z "$1" ]; then
-	echo "Usage: ${0} VERSION" >> /dev/stderr
-	exit 255
+  echo "Usage: ${0} VERSION" >> /dev/stderr
+  exit 255
 fi
 
 set -u
 
 function setup_env {
-	local proj=${1}
-	local ver=${2}
+  local ver=${1}
+  local proj=${2}
 
-	if [ ! -d "${proj}" ]; then
-		git clone https://github.com/etcd-io/"${proj}"
-	fi
+  if [ ! -d "${proj}" ]; then
+    run git clone "${REPOSITORY}"
+  fi
 
-	pushd "${proj}" >/dev/null
-		git checkout master
-		git fetch --all
-		git reset --hard origin/master
-		git checkout "${ver}"
-	popd >/dev/null
+  pushd "${proj}" >/dev/null
+    run git checkout master
+    run git fetch --all
+    git_assert_branch_in_sync || exit 2
+    run git checkout "${ver}"
+    git_assert_branch_in_sync || exit 2
+  popd >/dev/null
 }
 
 
 function package {
-	local target=${1}
-	local srcdir="${2}/bin"
+  local target=${1}
+  local srcdir="${2}/bin"
 
-	local ccdir="${srcdir}/${GOOS}_${GOARCH}"
-	if [ -d "${ccdir}" ]; then
-		srcdir="${ccdir}"
-	fi
-	local ext=""
-	if [ "${GOOS}" == "windows" ]; then
-		ext=".exe"
-	fi
-	for bin in etcd etcdctl; do
-		cp "${srcdir}/${bin}" "${target}/${bin}${ext}"
-	done
+  local ccdir="${srcdir}/${GOOS}_${GOARCH}"
+  if [ -d "${ccdir}" ]; then
+    srcdir="${ccdir}"
+  fi
+  local ext=""
+  if [ "${GOOS}" == "windows" ]; then
+    ext=".exe"
+  fi
+  for bin in etcd etcdctl; do
+    cp "${srcdir}/${bin}" "${target}/${bin}${ext}"
+  done
 
-	cp etcd/README.md "${target}"/README.md
-	cp etcd/etcdctl/README.md "${target}"/README-etcdctl.md
-	cp etcd/etcdctl/READMEv2.md "${target}"/READMEv2-etcdctl.md
+  cp etcd/README.md "${target}"/README.md
+  cp etcd/etcdctl/README.md "${target}"/README-etcdctl.md
+  cp etcd/etcdctl/READMEv2.md "${target}"/READMEv2-etcdctl.md
 
-	cp -R etcd/Documentation "${target}"/Documentation
+  cp -R etcd/Documentation "${target}"/Documentation
 }
 
 function main {
-	mkdir release
-	cd release
-	setup_env "${PROJ}" "${VER}"
+  local proj=$(echo "${REPOSITORY}" | sed 's|^.*/\([^/]*\)$|\1|g')
 
-	tarcmd=tar
-	if [[ $(go env GOOS) == "darwin" ]]; then
-	  	echo "Please use linux machine for release builds."
-		exit 1
-	fi
+  mkdir -p release
+  cd release
+  setup_env "${VER}" "${proj}"
 
-	for os in darwin windows linux; do
-		export GOOS=${os}
-		TARGET_ARCHS=("amd64")
+  tarcmd=tar
+  if [[ $(go env GOOS) == "darwin" ]]; then
+      echo "Please use linux machine for release builds."
+    exit 1
+  fi
 
-		if [ ${GOOS} == "linux" ]; then
-			TARGET_ARCHS+=("arm64")
-			TARGET_ARCHS+=("ppc64le")
-			TARGET_ARCHS+=("s390x")
-		fi
+  for os in darwin windows linux; do
+    export GOOS=${os}
+    TARGET_ARCHS=("amd64")
 
-		for TARGET_ARCH in "${TARGET_ARCHS[@]}"; do
-			export GOARCH=${TARGET_ARCH}
+    if [ ${GOOS} == "linux" ]; then
+      TARGET_ARCHS+=("arm64")
+      TARGET_ARCHS+=("ppc64le")
+#  TODO: Reenable when https://github.com/etcd-io/etcd/issues/12496 is fixed.
+#      TARGET_ARCHS+=("s390x")
+    fi
 
-			pushd etcd >/dev/null
-			GO_LDFLAGS="-s" ./build
-			popd >/dev/null
+    for TARGET_ARCH in "${TARGET_ARCHS[@]}"; do
+      export GOARCH=${TARGET_ARCH}
 
-			TARGET="etcd-${VER}-${GOOS}-${GOARCH}"
-			mkdir "${TARGET}"
-			package "${TARGET}" "${PROJ}"
+      pushd etcd >/dev/null
+      GO_LDFLAGS="-s" ./build
+      popd >/dev/null
 
-			if [ ${GOOS} == "linux" ]; then
-				${tarcmd} cfz "${TARGET}.tar.gz" "${TARGET}"
-				echo "Wrote release/${TARGET}.tar.gz"
-			else
-				zip -qr "${TARGET}.zip" "${TARGET}"
-				echo "Wrote release/${TARGET}.zip"
-			fi
-		done
-	done
+      TARGET="etcd-${VER}-${GOOS}-${GOARCH}"
+      mkdir "${TARGET}"
+      package "${TARGET}" "${proj}"
+
+      if [ ${GOOS} == "linux" ]; then
+        ${tarcmd} cfz "${TARGET}.tar.gz" "${TARGET}"
+        echo "Wrote release/${TARGET}.tar.gz"
+      else
+        zip -qr "${TARGET}.zip" "${TARGET}"
+        echo "Wrote release/${TARGET}.zip"
+      fi
+    done
+  done
 }
 
 main
diff --git a/scripts/build-docker b/scripts/build-docker
index 1e9db2301..e32aedd9c 100755
--- a/scripts/build-docker
+++ b/scripts/build-docker
@@ -3,8 +3,8 @@
 set -e
 
 if [ "$#" -ne 1 ]; then
-	echo "Usage: $0 VERSION" >&2
-	exit 1
+  echo "Usage: $0 VERSION" >&2
+  exit 1
 fi
 
 VERSION=${1}
@@ -12,20 +12,20 @@ ARCH=$(go env GOARCH)
 DOCKERFILE="Dockerfile-release"
 
 if [ -z "${BINARYDIR}" ]; then
-	RELEASE="etcd-${1}"-$(go env GOOS)-$(go env GOARCH)
-	BINARYDIR="${RELEASE}"
-	TARFILE="${RELEASE}.tar.gz"
-	TARURL="https://github.com/etcd-io/etcd/releases/download/${1}/${TARFILE}"
-	if ! curl -f -L -o "${TARFILE}" "${TARURL}" ; then
-		echo "Failed to download ${TARURL}."
-		exit 1
-	fi
-	tar -zvxf "${TARFILE}"
+  RELEASE="etcd-${1}"-$(go env GOOS)-$(go env GOARCH)
+  BINARYDIR="${RELEASE}"
+  TARFILE="${RELEASE}.tar.gz"
+  TARURL="https://github.com/etcd-io/etcd/releases/download/${1}/${TARFILE}"
+  if ! curl -f -L -o "${TARFILE}" "${TARURL}" ; then
+    echo "Failed to download ${TARURL}."
+    exit 1
+  fi
+  tar -zvxf "${TARFILE}"
 fi
 
 if [ "${ARCH}" != "amd64" ]; then
-	DOCKERFILE+=".${ARCH}"
-	VERSION+="-${ARCH}"
+  DOCKERFILE+=".${ARCH}"
+  VERSION+="-${ARCH}"
 fi
 
 BINARYDIR=${BINARYDIR:-.}
diff --git a/scripts/build-release.sh b/scripts/build-release.sh
index 85a7eb3ab..75df72966 100755
--- a/scripts/build-release.sh
+++ b/scripts/build-release.sh
@@ -5,6 +5,8 @@
 #
 set -e
 
+source ./scripts/test_lib.sh
+
 VERSION=$1
 if [ -z "${VERSION}" ]; then
   echo "Usage: ${0} VERSION" >> /dev/stderr
@@ -19,11 +21,12 @@ fi
 ETCD_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 
 pushd "${ETCD_ROOT}" >/dev/null
-  echo Building etcd binary...
+  log_callout "Building etcd binary..."
   ./scripts/build-binary "${VERSION}"
 
-  for TARGET_ARCH in "amd64" "arm64" "ppc64le" "s390x"; do
-    echo Building ${TARGET_ARCH} docker image...
+#  TODO: Add "s390x" when https://github.com/etcd-io/etcd/issues/12496 is fixed.
+  for TARGET_ARCH in "amd64" "arm64" "ppc64le"; do
+    log_callout "Building ${TARGET_ARCH} docker image..."
     GOOS=linux GOARCH=${TARGET_ARCH} BINARYDIR=release/etcd-${VERSION}-linux-${TARGET_ARCH} BUILDDIR=release ./scripts/build-docker "${VERSION}"
   done
 popd >/dev/null
diff --git a/scripts/release b/scripts/release
index 2b71b9ffa..35084c810 100755
--- a/scripts/release
+++ b/scripts/release
@@ -4,6 +4,8 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
+source ./scripts/test_lib.sh
+
 help() {
   echo "$(basename "$0") [version]"
   echo "Release etcd using the same approach as the etcd-release-runbook (https://goo.gl/Gxwysq)"
@@ -30,7 +32,8 @@ main() {
   fi
   RELEASE_VERSION="v${VERSION}"
   MINOR_VERSION=$(echo "${VERSION}" | cut -d. -f 1-2)
-  BRANCH="release-${MINOR_VERSION}"
+  BRANCH=${BRANCH:-"release-${MINOR_VERSION}"}
+  REPOSITORY=${REPOSITORY:-"https://github.com/etcd-io/etcd"}
 
   if ! command -v docker >/dev/null; then
     echo "cannot find docker"
@@ -42,28 +45,32 @@ main() {
 
   # Set up release directory.
   local reldir="/tmp/etcd-release-${VERSION}"
+  log_callout "Preparing temporary directory: ${reldir}"
   if [ ! -d "${reldir}/etcd" ]; then
     mkdir -p "${reldir}"
     cd "${reldir}"
-    git clone https://github.com/etcd-io/etcd.git --branch "${BRANCH}"
+    run git clone "${REPOSITORY}" --branch "${BRANCH}"
   fi
-  cd "${reldir}/etcd"
+  run cd "${reldir}/etcd" || exit 2
+  run git checkout "${BRANCH}" || exit 2
+  run git pull origin
+  git_assert_branch_in_sync || exit 2
 
   # If a release version tag already exists, use it.
   local remote_tag_exists
-  remote_tag_exists=$(git ls-remote origin "refs/tags/${RELEASE_VERSION}" | grep -c "${RELEASE_VERSION}")
+  remote_tag_exists=$(run git ls-remote origin "refs/tags/${RELEASE_VERSION}" | grep -c "${RELEASE_VERSION}" || true)
+
   if [ "${remote_tag_exists}" -gt 0 ]; then
-    echo "Release version tag exists on remote. Checking out refs/tags/${RELEASE_VERSION}"
+    log_callout "Release version tag exists on remote. Checking out refs/tags/${RELEASE_VERSION}"
     git checkout -q "tags/${RELEASE_VERSION}"
   fi
 
   # Check go version.
-  # download "yq" from https://github.com/mikefarah/yq
   local go_version current_go_version
-  go_version="go$(yq read .travis.yml "go[0]")"
+  go_version="go$(run_go_tool "github.com/mikefarah/yq/v3" read .travis.yml "go[0]")"
   current_go_version=$(go version | awk '{ print $3 }')
   if [[ "${current_go_version}" != "${go_version}" ]]; then
-    echo "Current go version is ${current_go_version}, but etcd ${RELEASE_VERSION} requires ${go_version} (see .travis.yml)."
+    log_error "Current go version is ${current_go_version}, but etcd ${RELEASE_VERSION} requires ${go_version} (see .travis.yml)."
     exit 1
   fi
 
@@ -71,19 +78,23 @@ main() {
   if [ "${remote_tag_exists}" -eq 0 ]; then
     # Bump version/version.go to release version.
     local source_version
-    source_version=$(grep -E "\s+Version\s*=" version/version.go | sed -e "s/.*\"\(.*\)\".*/\1/g")
+    source_version=$(grep -E "\s+Version\s*=" api/version/version.go | sed -e "s/.*\"\(.*\)\".*/\1/g")
     if [[ "${source_version}" != "${VERSION}" ]]; then
       source_minor_version=$(echo "${source_version}" | cut -d. -f 1-2)
       if [[ "${source_minor_version}" != "${MINOR_VERSION}" ]]; then
-        echo "Wrong etcd minor version in version/version.go. Expected ${MINOR_VERSION} but got ${source_minor_version}. Aborting."
+        log_error "Wrong etcd minor version in api/version/version.go. Expected ${MINOR_VERSION} but got ${source_minor_version}. Aborting."
         exit 1
       fi
-      echo "Updating version from ${source_version} to ${VERSION} in version/version.go"
-      sed -i "s/${source_version}/${VERSION}/g" version/version.go
+      log_callout "Updating modules definitions"
+      TARGET_VERSION="v${VERSION}" DRY_RUN=false ./scripts/release_mod.sh update_versions
+
+      log_callout "Updating version from ${source_version} to ${VERSION} in api/version/version.go"
+      sed -i "s/${source_version}/${VERSION}/g" api/version/version.go
     fi
 
-    echo "Building etcd and checking --version output"
-    ./build
+
+    log_callout "Building etcd and checking --version output"
+    run ./build
     local etcd_version
     etcd_version=$(bin/etcd --version | grep "etcd Version" | awk '{ print $3 }')
     if [[ "${etcd_version}" != "${VERSION}" ]]; then
@@ -92,30 +103,27 @@ main() {
     fi
 
     if [[ -n $(git status -s) ]]; then
-      echo "Committing version/version.go update."
-      git add version/version.go
-      git commit -m "version: bump up to ${VERSION}"
-      git diff --staged
+      log_callout "Committing mods & api/version/version.go update."
+      run git add api/version/version.go
+      run git add $(find -name go.mod | xargs)
+      run git diff --staged | cat
+      run git commit -m "version: bump up to ${VERSION}"
+      run git diff --staged | cat
     fi
 
     # Push the version change if it's not already been pushed.
     if [ "$(git rev-list --count "origin/${BRANCH}..${BRANCH}")" -gt 0 ]; then
-      read -p "Push version bump up to ${VERSION} to github.com/etcd-io/etcd [y/N]? " -r confirm
+      read -p "Push version bump up to ${VERSION} to '$(git remote get-url origin)' [y/N]? " -r confirm
       [[ "${confirm,,}" == "y" ]] || exit 1
       git push
     fi
 
     # Tag release.
     if [ "$(git tag --list | grep -c "${RELEASE_VERSION}")" -gt 0 ]; then
-      echo "Skipping tag step. git tag ${RELEASE_VERSION} already exists."
+      log_callout "Skipping tag step. git tag ${RELEASE_VERSION} already exists."
     else
-      echo "Tagging release..."
-      KEYID=$(gpg --list-keys --with-colons| awk -F: '/^pub:/ { print $5 }')
-      if [[ -z "${KEYID}" ]]; then
-        echo "Failed to load gpg key. Is gpg set up correctly for etcd releases?"
-        exit 1
-      fi
-      git tag --local-user "${KEYID}" --sign "${RELEASE_VERSION}" --message "${RELEASE_VERSION}"
+      log_callout "Tagging release..."
+      REMOTE_REPO="origin" DRY_RUN=false ./scripts/release_mod.sh push_mod_tags
     fi
 
     # Verify the latest commit has the version tag
@@ -126,31 +134,20 @@ main() {
     fi
 
     # Verify the version tag is on the right branch
-    local branch=$(git branch --contains "${RELEASE_VERSION}")
-    if [ "${branch}" != "release-${MINOR_VERSION}" ]; then
-      echo "Error: Git tag ${RELEASE_VERSION} should be on branch release-${MINOR_VERSION} but is on ${branch}"
+    local branch=$(git for-each-ref --contains "${RELEASE_VERSION}" --format="%(refname)" 'refs/heads' | cut -d '/' -f 3)
+    if [ "${branch}" != "${BRANCH}" ]; then
+      echo "Error: Git tag ${RELEASE_VERSION} should be on branch '${BRANCH}' but is on '${branch}'"
       exit 1
     fi
-
-    # Push the tag change if it's not already been pushed.
-    read -p "Push etcd ${RELEASE_VERSION} tag [y/N]? " -r confirm
-    [[ "${confirm,,}" == "y" ]] || exit 1
-    git push origin "tags/${RELEASE_VERSION}"
   fi
 
   # Build release.
   # TODO: check the release directory for all required build artifacts.
   if [ -d release ]; then
-    echo "Skpping release build step. /release directory already exists."
+    log_warning "Skipping release build step. /release directory already exists."
   else
-    echo "Building release..."
-    # Check for old and new names of the release build script.
-    # TODO: Move the release script into this on as a function?
-    if [ -f ./scripts/release.sh ]; then
-      ./scripts/release.sh "${RELEASE_VERSION}"
-    else
-      ./scripts/build-release.sh "${RELEASE_VERSION}"
-    fi
+    log_callout "Building release..."
+    REPOSITORY=${REPOSITORY} ./scripts/build-release.sh "${RELEASE_VERSION}"
   fi
 
   # Sanity checks.
diff --git a/scripts/release_mod.sh b/scripts/release_mod.sh
index 21afdb0df..f69824f61 100755
--- a/scripts/release_mod.sh
+++ b/scripts/release_mod.sh
@@ -46,12 +46,12 @@ function update_module_version() {
   local modules
   modules=$(run go list -f '{{if not .Main}}{{if not .Indirect}}{{.Path}}{{end}}{{end}}' -m all)
 
-  v3deps=$(echo "${modules}" | grep -E "${REPO}/.*/v3")
+  v3deps=$(echo "${modules}" | grep -E "${ROOT_MODULE}/.*/v3")
   for dep in ${v3deps}; do
     maybe_run go mod edit -require "${dep}@${v3version}"
   done
 
-  v2deps=$(echo "${modules}" | grep -E "${REPO}/.*/v2")
+  v2deps=$(echo "${modules}" | grep -E "${ROOT_MODULE}/.*/v2")
   for dep in ${v2deps}; do
     maybe_run go mod edit -require "${dep}@${v2version}"
   done
@@ -81,6 +81,15 @@ function update_versions_cmd() {
   run_for_modules update_module_version "${v3version}" "${v2version}"
 }
 
+function get_gpg_key {
+  keyid=$(gpg --list-keys --with-colons| awk -F: '/^pub:/ { print $5 }')
+  if [[ -z "${keyid}" ]]; then
+    log_error "Failed to load gpg key. Is gpg set up correctly for etcd releases?"
+    return 2
+  fi
+  echo "$keyid"
+}
+
 function push_mod_tags_cmd {
   assert_no_git_modifications || return 2
 
@@ -92,15 +101,17 @@ function push_mod_tags_cmd {
 
   # Any module ccan be used for this
   local master_version
-  master_version=$(go list -f '{{.Version}}' -m "${REPO}/api/v3")
+  master_version=$(go list -f '{{.Version}}' -m "${ROOT_MODULE}/api/v3")
   local tags=()
 
+  keyid=$(get_gpg_key) || return 2
+
   for module in $(modules); do
     local version
     version=$(go list -f '{{.Version}}' -m "${module}")
     local path
     path=$(go list -f '{{.Path}}' -m "${module}")
-    local subdir="${path//${REPO}\//}"
+    local subdir="${path//${ROOT_MODULE}\//}"
     local tag
     if [ -z "${version}" ]; then
       tag="${master_version}"
@@ -110,7 +121,10 @@ function push_mod_tags_cmd {
     fi
 
     log_info "Tags for: ${module} version:${version} tag:${tag}"
-    maybe_run git tag -f "${tag}"
+    # The sleep is ugly hack that guarantees that 'git describe' will
+    # consider main-module's tag as the latest.
+    run sleep 2
+    maybe_run git tag --local-user "${keyid}" --sign "${tag}" --message "${version}"
     tags=("${tags[@]}" "${tag}")
   done
   maybe_run git push -f "${REMOTE_REPO}" "${tags[@]}"
diff --git a/scripts/test_lib.sh b/scripts/test_lib.sh
index ec2045d7d..53e146a54 100644
--- a/scripts/test_lib.sh
+++ b/scripts/test_lib.sh
@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 
-REPO="go.etcd.io/etcd"
+ROOT_MODULE="go.etcd.io/etcd"
 
-if [[ "$(go list)" != "${REPO}/v3" ]]; then
-  echo "must be run from '${REPO}/v3' module directory"
+if [[ "$(go list)" != "${ROOT_MODULE}/v3" ]]; then
+  echo "must be run from '${ROOT_MODULE}/v3' module directory"
   exit 255
 fi
 
-ETCD_ROOT_DIR=$(go list -f '{{.Dir}}' "${REPO}/v3")
+ETCD_ROOT_DIR=$(go list -f '{{.Dir}}' "${ROOT_MODULE}/v3")
 
 ####   Convenient IO methods #####
 
@@ -160,15 +160,15 @@ function run_for_module {
 
 function modules() {
   modules=(
-    "${REPO}/api/v3"
-    "${REPO}/pkg/v3"
-    "${REPO}/raft/v3"
-    "${REPO}/client/v2"
-    "${REPO}/client/v3"
-    "${REPO}/server/v3"
-    "${REPO}/etcdctl/v3"
-    "${REPO}/tests/v3"
-    "${REPO}/v3")
+    "${ROOT_MODULE}/api/v3"
+    "${ROOT_MODULE}/pkg/v3"
+    "${ROOT_MODULE}/raft/v3"
+    "${ROOT_MODULE}/client/v2"
+    "${ROOT_MODULE}/client/v3"
+    "${ROOT_MODULE}/server/v3"
+    "${ROOT_MODULE}/etcdctl/v3"
+    "${ROOT_MODULE}/tests/v3"
+    "${ROOT_MODULE}/v3")
   echo "${modules[@]}"
 }
 
@@ -303,10 +303,10 @@ function tool_get_bin {
   local tool="$1"
   if [[ "$tool" == *"@"* ]]; then
     # shellcheck disable=SC2086
-    run gobin ${GOBINARGS} -p "${tool}" || return 2
+    run gobin ${GOBINARGS:-} -p "${tool}" || return 2
   else
     # shellcheck disable=SC2086
-    run_for_module ./tools/mod run gobin ${GOBINARGS} -p -m --mod=readonly "${tool}" || return 2
+    run_for_module ./tools/mod run gobin ${GOBINARGS:-} -p -m --mod=readonly "${tool}" || return 2
   fi
 }
 
@@ -339,3 +339,22 @@ function assert_no_git_modifications {
   fi
 }
 
+# makes sure that the current branch is in sync with the origin branch:
+#  - no uncommitted nor unstaged changes
+#  - no differencing commits in relation to the origin/$branch
+function git_assert_branch_in_sync {
+  local branch
+  branch=$(git branch --show-current)
+  if [[ $(run git status --porcelain --untracked-files=no) ]]; then
+    log_error "The workspace in '$(pwd)' for branch: ${branch} has uncommitted changes"
+    log_error "Consider cleaning up / renaming this directory."
+    return 2
+  fi
+  ref_local=$(run git rev-parse "${branch}")
+  ref_origin=$(run git rev-parse "origin/${branch}")
+  if [ "x${ref_local}" != "x${ref_origin}" ]; then
+    log_error "In workspace '$(pwd)' the branch: ${branch} diverges from the origin."
+    log_error "Consider cleaning up / renaming this directory."
+    return 2
+  fi
+}
diff --git a/test.sh b/test.sh
index be5112062..289102148 100755
--- a/test.sh
+++ b/test.sh
@@ -322,10 +322,15 @@ function shellws_pass {
   log_callout "Ensuring no tab-based indention in shell scripts"
   local files
   files=$(find ./ -name '*.sh' -print0 | xargs -0 )
-  log_cmd "grep -E -n $'^ *\t' ${files}"
+  # shellcheck disable=SC2206
+  files=( ${files[@]} "./scripts/build-binary" "./scripts/build-docker" "./scripts/release" )
+  log_cmd "grep -E -n $'^ *\t' ${files[*]}"
   # shellcheck disable=SC2086
-  if grep -E -n $'^ *\t' ${files} | sed $'s|\t|[\\\\tab]|g'; then
+  if grep -E -n $'^ *\t' "${files[@]}" | sed $'s|\t|[\\\\tab]|g'; then
     log_error "FAIL: found tab-based indention in bash scripts. Use '  ' (double space)."
+    local files_with_tabs
+    files_with_tabs=$(grep -E -l $'^ *\t' "${files[@]}")
+    log_warning "Try: sed -i 's|\t|  |g' $files_with_tabs"
     return 1
   else
     log_success "SUCCESS: no tabulators found."
diff --git a/tests/functional/tester/case.go b/tests/functional/tester/case.go
index 12c71559e..dbe41aab9 100644
--- a/tests/functional/tester/case.go
+++ b/tests/functional/tester/case.go
@@ -29,7 +29,7 @@ import (
 //  1. implement "Case" interface
 //  2. define fail case name in "rpcpb.Case"
 type Case interface {
-	// Inject injeccts the failure into the testing cluster at the given
+	// Inject injects the failure into the testing cluster at the given
 	// round. When calling the function, the cluster should be in health.
 	Inject(clus *Cluster) error
 	// Recover recovers the injected failure caused by the injection of the
diff --git a/tools/mod/go.mod b/tools/mod/go.mod
index 7fc4ece01..0cfdcf349 100644
--- a/tools/mod/go.mod
+++ b/tools/mod/go.mod
@@ -7,7 +7,6 @@ require (
 	github.com/alexkohler/nakedret v1.0.0
 	github.com/chzchzchz/goword v0.0.0-20170907005317-a9744cb52b03
 	github.com/coreos/license-bill-of-materials v0.0.0-20190913234955-13baff47494e
-	github.com/ghodss/yaml v1.0.0 // indirect
 	github.com/go-openapi/loads v0.19.5 // indirect
 	github.com/go-openapi/spec v0.19.9 // indirect
 	github.com/gogo/protobuf v1.3.1
@@ -17,6 +16,7 @@ require (
 	github.com/hexfusion/schwag v0.0.0-20170606222847-b7d0fc9aadaa
 	github.com/mdempsky/unconvert v0.0.0-20200228143138-95ecdbfc0b5f
 	github.com/mgechev/revive v1.0.2
+	github.com/mikefarah/yq/v3 v3.0.0-20201125113350-f42728eef735
 	github.com/trustmaster/go-aspell v0.0.0-20200701131845-c2b1f55bec8f // indirect
 	go.etcd.io/protodoc v0.0.0-20180829002748-484ab544e116
 	google.golang.org/genproto v0.0.0-20201008135153-289734e2e40c // indirect
diff --git a/tools/mod/go.sum b/tools/mod/go.sum
index ed144988d..ab34dc441 100644
--- a/tools/mod/go.sum
+++ b/tools/mod/go.sum
@@ -2,6 +2,7 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
@@ -9,34 +10,53 @@ github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/akhenakh/hunspellgo v0.0.0-20160221122622-9db38fa26e19 h1:bYOD6QJnBJY79MJQR1i9cyQePG5oNDZXDKL2bhN/uvE=
 github.com/akhenakh/hunspellgo v0.0.0-20160221122622-9db38fa26e19/go.mod h1:HcqyLXmWoESd/vPSbCPqvgw5l5cMM5PtoqFOnXLjSeM=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alexkohler/nakedret v1.0.0 h1:S/bzOFhZHYUJp6qPmdXdFHS5nlWGFmLmoc8QOydvotE=
 github.com/alexkohler/nakedret v1.0.0/go.mod h1:tfDQbtPt67HhBK/6P0yNktIX7peCxfOp0jO9007DrLE=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496 h1:zV3ejI06GQ59hwDQAvmK1qxOQGB3WuVTRoY0okPTAv0=
 github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/chzchzchz/goword v0.0.0-20170907005317-a9744cb52b03 h1:0wUHjDfbCAROEAZ96zAJGwcNMkPIheFaIjtQyv3QqfM=
 github.com/chzchzchz/goword v0.0.0-20170907005317-a9744cb52b03/go.mod h1:uFE9hX+zXEwvyUThZ4gDb9vkAwc5DoHUnRSEpH0VrOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/license-bill-of-materials v0.0.0-20190913234955-13baff47494e h1:vHRufSa2k8tfkcDdia1vJFa+oiBvvPxW94mg76PPAoA=
 github.com/coreos/license-bill-of-materials v0.0.0-20190913234955-13baff47494e/go.mod h1:4xMOusJ7xxc84WclVxKT8+lNfGYDwojOUC2OQNCwcj4=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
 github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4=
 github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
+github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
+github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
+github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
 github.com/go-openapi/analysis v0.0.0-20180825180245-b006789cd277/go.mod h1:k70tL6pCuVxPJOHXQ+wIac1FUrvNkHolPie/cLEU6hI=
 github.com/go-openapi/analysis v0.19.10 h1:5BHISBAXOc/aJK25irLZnx2D3s6WyYaY9D4gmuz9fdE=
@@ -69,6 +89,8 @@ github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.7 h1:VRuXN2EnMSsZdauzdss6JBC29YotDqG59BZ+tdlIL1s=
 github.com/go-openapi/swag v0.19.7/go.mod h1:ao+8BpOPyKdpQz3AOJfbeEVpLmWAvlT1IfTe5McPyhY=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
+github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
 github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gobuffalo/attrs v0.0.0-20190224210810-a9411de4debd/go.mod h1:4duuawTqi2wkkpB4ePgWMaai6/Kc6WEz83bhFwpHzj0=
@@ -95,14 +117,18 @@ github.com/gobuffalo/packd v0.1.0/go.mod h1:M2Juc+hhDXf/PnmBANFCqx4DM3wRbgDvnVWe
 github.com/gobuffalo/packr/v2 v2.0.9/go.mod h1:emmyGweYTm6Kdper+iywB6YK5YzuKchGtJQZ0Odn4pQ=
 github.com/gobuffalo/packr/v2 v2.2.0/go.mod h1:CaAwI0GPIAv+5wKLtv8Afwl+Cm78K/I/VCm/3ptBN+0=
 github.com/gobuffalo/syncx v0.0.0-20190224160051-33c29581e754/go.mod h1:HhnNqWY95UYwwW3uSASeV7vtgYkT2t16hJgV3AEPUpw=
-github.com/gogo/protobuf v1.0.0 h1:2jyBKDKU/8v3v2xVR2PtiWQviFUyiaGk2rpfyFT8rTM=
-github.com/gogo/protobuf v1.0.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/goccy/go-yaml v1.8.1 h1:JuZRFlqLM5cWF6A+waL8AKVuCcqvKOuhJtUQI+L3ez0=
+github.com/goccy/go-yaml v1.8.1/go.mod h1:wS4gNoLalDSJxo/SpngzPQ2BN4uuZVLCmbM4S3vd4+Y=
+github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
+github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
@@ -113,6 +139,7 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
 github.com/golang/protobuf v1.4.1 h1:ZFgWrT+bLgsYPirOnRfKLYJLvssAegOj/hgyMFdJZe0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -123,32 +150,41 @@ github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gordonklaus/ineffassign v0.0.0-20200809085317-e36bfde3bb78 h1:U/zHjaVG/sECz5xhnh7kPH+Fv/maPbhZPcaTquo5sPg=
 github.com/gordonklaus/ineffassign v0.0.0-20200809085317-e36bfde3bb78/go.mod h1:cuNKsD1zp2v6XfE/orVX2QE1LC+i254ceGcVeDT3pTU=
-github.com/grpc-ecosystem/grpc-gateway v1.4.1 h1:pX7cnDwSSmG0dR9yNjCQSSpmsJOqFdT7SzVp5Yl9uVw=
-github.com/grpc-ecosystem/grpc-gateway v1.4.1/go.mod h1:RSKVYQBd5MCa4OVpNdGskqpgL2+G+NZTnrVHpWWfpdw=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
+github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
+github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/grpc-ecosystem/grpc-gateway v1.14.6 h1:8ERzHx8aj1Sc47mu9n/AksaKCSWrMchFtkdrS4BIj5o=
 github.com/grpc-ecosystem/grpc-gateway v1.14.6/go.mod h1:zdiPV4Yse/1gnckTHtghG4GkDEdKCRJduHpTxT3/jcw=
-github.com/grpc-ecosystem/grpc-gateway v1.15.2 h1:HC+hWRWf+v5zTMPyoaYTKIJih+4sd4XRWmj0qlG87Co=
-github.com/grpc-ecosystem/grpc-gateway v1.15.2/go.mod h1:vO11I9oWA+KsxmfFQPhLnnIb1VDE24M+pdxZFiuZcA8=
 github.com/gyuho/gocovmerge v0.0.0-20171205171859-50c7e6afd535 h1:BGeD3v3lyKZy+ocGtprXiDXjIiXvZDfuyII7Lym7GbQ=
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 go.etcd.io/protodoc v0.0.0-20180829002748-484ab544e116/go.mod h1:F9kog+iVAuvPJucb1dkYcDcbV0g4uyGEHllTP5NrXiw=
 go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
 go.mongodb.org/mongo-driver v1.3.0 h1:ew6uUIeJOo+qdUUv7LxFCUhtWmVv7ZV/Xuy4FAUsw2E=
 go.mongodb.org/mongo-driver v1.3.0/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS3gZBapIE=
+go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
+go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
+go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190422162423-af44ce270edf/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
@@ -231,10 +307,13 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -252,6 +331,8 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -260,12 +341,18 @@ golang.org/x/sys v0.0.0-20190419153524-e8e3143a4f4a/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepxRw6jWvR5iDRdvjHgy8=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -276,7 +363,6 @@ golang.org/x/tools v0.0.0-20190416151739-9c9e1878f421/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190420181800-aa740d480789/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190531172133-b3315ee88b7d/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59 h1:QjA/9ArTfVTLfEhClDCG7SGrZkZixxWpwNCDiwJfh88=
 golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200225230052-807dcd883420/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
@@ -284,8 +370,9 @@ golang.org/x/tools v0.0.0-20200426102838-f3a5411a4c3b h1:zSzQJAznWxAh9fZxiPy2FZo
 golang.org/x/tools v0.0.0-20200426102838-f3a5411a4c3b/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -295,11 +382,11 @@ google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEY
 google.golang.org/genproto v0.0.0-20201008135153-289734e2e40c h1:dvSnJCVti7yKNAZrunMpEE4QLfy5b/UdEKt+UH39BW4=
 google.golang.org/genproto v0.0.0-20201008135153-289734e2e40c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
+google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -309,14 +396,19 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0 h1:UhZDfRO8JRQru4/+LlLE0BRKGF8L+PICnvYZmx/fEGA=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0 h1:0vLT13EuvQ0hNvakwLuFZ/jYrLp5F3kcWHXdRggjCE8=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
+gopkg.in/go-playground/validator.v9 v9.30.0/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
+gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473 h1:6D+BvnJ/j6e222UW8s2qTSe3wGBtvo0MbVQG/c5k8RE=
+gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473/go.mod h1:N1eN2tsCx0Ydtgjl4cqmbRCsY4/+z4cYDeqwZTk6zog=
+gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -324,6 +416,8 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
+gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc h1:/hemPrYIhOhy8zYrNj+069zDB68us2sMGsfkFJO0iZs=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/tools/mod/tools.go b/tools/mod/tools.go
index c39aee233..86cdaaf40 100644
--- a/tools/mod/tools.go
+++ b/tools/mod/tools.go
@@ -34,4 +34,5 @@ import (
 	_ "go.etcd.io/protodoc"
 	_ "honnef.co/go/tools/cmd/staticcheck"
 	_ "mvdan.cc/unparam"
+	_ "github.com/mikefarah/yq/v3"
 )