[8.x] add ci shared qualified-version script (backport #17311) (#17348)

* add ci shared qualified-version script (#17311)

* ci: add shareable script for generating qualified version

* ci: use shared script to generate qualified version

(cherry picked from commit 10b5a84)

# Conflicts:
#	.buildkite/scripts/dra/build_docker.sh

* resolve merge conflict

---------

Co-authored-by: Rye Biesemeyer <[email protected]>

Author: mergify[bot]

.buildkite/scripts/common/qualified-version.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# ********************************************************
+# Source this script to get the QUALIFIED_VERSION env var
+# or execute it to receive the qualified version on stdout
+# ********************************************************
+
+set -euo pipefail
+
+export QUALIFIED_VERSION="$(
+  # Extract the version number from the version.yml file
+  # e.g.: 8.6.0
+  printf '%s' "$(awk -F':' '{ if ("logstash" == $1) { gsub(/^ | $/,"",$2); printf $2; exit } }' versions.yml)"
+
+  # Qualifier is passed from CI as optional field and specify the version postfix
+  # in case of alpha or beta releases for staging builds only:
+  # e.g: 8.0.0-alpha1
+  printf '%s' "${VERSION_QUALIFIER:+-${VERSION_QUALIFIER}}"
+
+  # add the SNAPSHOT tag unless WORKFLOW_TYPE=="staging" or RELEASE=="1"
+  if [[ ! ( "${WORKFLOW_TYPE:-}" == "staging" || "${RELEASE:+$RELEASE}" == "1" ) ]]; then
+    printf '%s' "-SNAPSHOT"
+  fi
+)"
+
+# if invoked directly, output the QUALIFIED_VERSION to stdout
+if [[ "$0" == "${BASH_SOURCE:-${ZSH_SCRIPT:-}}" ]]; then
+  printf '%s' "${QUALIFIED_VERSION}"
+fi

.buildkite/scripts/dra/build_docker.sh

@@ -30,17 +30,7 @@ if [[ "$ARCH" != "aarch64" ]]; then
   rake artifact:docker_ubi8 || error "artifact:docker_ubi8 build failed."
 fi
 
-if [[ "$WORKFLOW_TYPE" == "staging" ]] && [[ -n "$VERSION_QUALIFIER" ]]; then
-    # Qualifier is passed from CI as optional field and specify the version postfix
-    # in case of alpha or beta releases for staging builds only:
-    # e.g: 8.0.0-alpha1
-    STACK_VERSION="${STACK_VERSION}-${VERSION_QUALIFIER}"
-fi
-
-if [[ "$WORKFLOW_TYPE" == "snapshot" ]]; then
-    STACK_VERSION="${STACK_VERSION}-SNAPSHOT"
-fi
-
+STACK_VERSION="$(./$(dirname "$0")/../common/qualified-version.sh)"
 info "Build complete, setting STACK_VERSION to $STACK_VERSION."
 
 info "Saving tar.gz for docker images"

.buildkite/scripts/dra/build_packages.sh

@@ -23,17 +23,7 @@ esac
 
 SKIP_DOCKER=1 rake artifact:all || error "rake artifact:all build failed."
 
-if [[ "$WORKFLOW_TYPE" == "staging" ]] && [[ -n "$VERSION_QUALIFIER" ]]; then
-    # Qualifier is passed from CI as optional field and specify the version postfix
-    # in case of alpha or beta releases for staging builds only:
-    # e.g: 8.0.0-alpha1
-    STACK_VERSION="${STACK_VERSION}-${VERSION_QUALIFIER}"
-fi
-
-if [[ "$WORKFLOW_TYPE" == "snapshot" ]]; then
-    STACK_VERSION="${STACK_VERSION}-SNAPSHOT"
-fi
-
+STACK_VERSION="$(./$(dirname "$0")/../common/qualified-version.sh)"
 info "Build complete, setting STACK_VERSION to $STACK_VERSION."
 
 info "Generated Artifacts"

.buildkite/scripts/dra/common.sh

@@ -33,12 +33,12 @@ export JRUBY_OPTS="-J-Xmx4g"
 
 # Extract the version number from the version.yml file
 # e.g.: 8.6.0
-# The suffix part like alpha1 etc is managed by the optional VERSION_QUALIFIER_OPT environment variable
+# The suffix part like alpha1 etc is managed by the optional VERSION_QUALIFIER environment variable
 STACK_VERSION=`cat versions.yml | sed -n 's/^logstash\:[[:space:]]\([[:digit:]]*\.[[:digit:]]*\.[[:digit:]]*\)$/\1/p'`
 
 info "Agent is running on architecture [$(uname -i)]"
 
-export VERSION_QUALIFIER_OPT=${VERSION_QUALIFIER_OPT:-""}
+export VERSION_QUALIFIER=${VERSION_QUALIFIER:-""}
 export DRA_DRY_RUN=${DRA_DRY_RUN:-""}
 
 if [[ ! -z $DRA_DRY_RUN && $BUILDKITE_STEP_KEY == "logstash_publish_dra" ]]; then

.buildkite/scripts/dra/publish.sh

@@ -52,14 +52,7 @@ rm -f build/logstash-ubi8-${STACK_VERSION}-docker-image-aarch64.tar.gz
 info "Downloaded ARTIFACTS sha report"
 for file in build/logstash-*; do shasum $file;done
 
-FINAL_VERSION=$STACK_VERSION
-if [[ -n "$VERSION_QUALIFIER" ]]; then
-  FINAL_VERSION="$FINAL_VERSION-${VERSION_QUALIFIER}"
-fi
-
-if [[ "$WORKFLOW_TYPE" == "snapshot" ]]; then
-    FINAL_VERSION="${STACK_VERSION}-SNAPSHOT"
-fi
+FINAL_VERSION="$(./$(dirname "$0")/../common/qualified-version.sh)"
 
 mv build/distributions/dependencies-reports/logstash-${FINAL_VERSION}.csv build/distributions/dependencies-${FINAL_VERSION}.csv