+ config_version implementations with commit messageconfig_version_lirion

1 files changed, 71 insertions, 0 deletions

diff --git a/scripts/config_version-lirion.sh b/scripts/config_version-lirion.sh
new file mode 100755
index 0000000..8f0d1e1
--- /dev/null
+++ b/scripts/config_version-lirion.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+# Little helper script to display latest commit as "Applying configuration version xxx" message
+# instead of the bare "servername-branch-commit_id" message (which is also a great idea,
+# we just started differently :-) )
+
+# Syntax is: `$script environment`
+# ...or `$script environment environmentpath`
+# The former tries to find the standard paths for Puppet and PE, the latter
+# lets you specify the path yourself.
+
+if [ -z "$1" ]; then
+	printf 'No env. USAGE: %b ENVIRONMENT [ENVIRONMENTS_PATH]\n' "$(basename "$0")" >&2
+	exit 101
+fi
+if [ -n "$2" ]; then
+	CODEDIRS="$2"
+else
+	CODEDIRS=(
+		# The actual code directory. In case of PE, you may want to adapt -
+		# since PE 2023.x, they have introduced an internal git deployer between
+		# the code pulled from git repos and what is then deployed to the agents,
+		# for reasons unknown and for raised complexity.
+		# If the directory does not exist, this will be ignored.
+		'/etc/puppetlabs/code'
+		# PE originally staged here - if you stage, too, check this directory.
+		# If it doesn't exist, it will be ignored.
+		'/etc/puppetlabs/code-staging'
+	)
+fi
+# I.e.: if none of the above exist or yield a (valid) .git folder underneath
+# $VARIABLE/.git, AND/OR we have nop git binary on the resp. puppet compiler,
+# we will have no version+commitmsg statement in agent runs.
+# ...
+# ...yay, code!
+# Check if /usr/bin/git exists, otherwise, yield a generic message.
+if [ -x /usr/bin/git ]; then
+	# iterate over codestagedir and codedir. First appearance with
+	# a .git folder underneath = break out of loop.
+	for cdir in "${CODEDIRS[@]}"; do
+		# Check if directory exists.
+		if [ -d "$cdir" ]; then
+			# Check if ./environments/ENVNAME/.git exists.
+			# If so, we have a winner and break the loop.
+			if [ -d "${cdir}/environments/${1}/.git" ]; then
+				ENVGITDIR="${cdir}/environments/${1}/.git"
+				break
+			# Check if ./ENVNAME/.git exists. If so, ...
+			elif [ -d "${cdir}/${1}/.git" ]; then
+				ENVGITDIR="${cdir}/${1}/.git"
+				break
+			fi
+		fi
+	done
+	# Did all of the above yield a value in $ENVGITDIR? If so: have a nice line
+	# with last committer and commit. If not: Standard output with env. name.
+	if [ -n "$ENVGITDIR" ]; then
+		if ! mycomm="$(/usr/bin/git --git-dir "$ENVGITDIR" log --pretty=format:'%h - %an, %ad : %s' -1 2>/dev/null)"; then
+			printf 'Environment: %b (.git content invalid inside deployed environment)\n' "$1"
+		else
+			printf '%b -- %b\n' "$1" "$mycomm"
+		fi
+	else
+		# In case the code deployments have no git folder.
+		# TODO: Maybe implement a git hook that places a file with the commit message somewhere where
+		#       we can read it?
+		printf 'Environment: %b (no git directory in code deployments)\n' "$1"
+	fi
+else
+	printf 'Environment: %b (no git binary on server)\n' "$1"
+fi
+exit 0