init-ansible

#!/usr/bin/env bash
#
# This program installs the published ansible roles required by the playbooks.
#
# Usage:
#  init-ansible

set -o errexit -o nounset -o pipefail

ExecName=$(readlink --canonicalize "$0")
readonly ExecName

PlaybooksDir=$(dirname "$ExecName")
readonly PlaybooksDir


main()
{
	ansible-galaxy install --force -r "$PlaybooksDir"/requirements-ansible.yml

	local roleDir

	while read -r roleDir; do
		local reqFile="$roleDir"/requirements.yml

		if [[ -f "$reqFile" ]]; then
			# ansible-galaxy won't update roles installed through dependencies, so
			# delete all roles before updating
			local roles
			readarray -t roles < <(listSubDirs "$roleDir")

			local role
			for role in "${roles[@]}"; do
				if [[ -f "$roleDir"/"$role"/meta/.galaxy_install_info ]]; then
					ansible-galaxy role remove --roles-path="$roleDir" "$role"
				fi
			done

			ansible-galaxy role install --role-file="$reqFile" --roles-path="$roleDir"
		fi
	done < <(find "$PlaybooksDir" -type d -name roles)
}

listSubDirs()
{
	local roleDir="$1"

	if [[ "$OSTYPE" == "darwin"* ]]; then
		find "$roleDir" -maxdepth 1 -mindepth 1 -type d -print0 | xargs -0 stat -f '%f\n'
	else
		find "$roleDir" -maxdepth 1 -mindepth 1 -type d -printf '%f\n'
	fi
}


main