From 65f52ead41dc6df73671ddd3a8c6a2edecb6dfb3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <karel.koci@nic.cz>
Date: Fri, 21 Jul 2017 14:58:13 +0200
Subject: Initial base files ... more to come

---
 utils/identify | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 utils/identify

(limited to 'utils/identify')

diff --git a/utils/identify b/utils/identify
new file mode 100644
index 0000000..2223d8f
--- /dev/null
+++ b/utils/identify
@@ -0,0 +1,55 @@
+# vim:ft=sh:noexpandtab
+# Identify and set some variables that can be used later by operations
+
+# Variables:
+#  DC_OS - Operation system kernel name (uname -s)
+#  DC_OS_VERSION - Version of kernel used (uname -r)
+#  DC_ARCH - Machine architecture (uname -m)
+#  DC_DISTRIBUTION - Distribution of operation system
+#  DC_INIT - Init system used (service manager)
+# On Archlinux:
+#  DC_PACAUR - This is set to "true" if pacaur is installed on archlinux
+
+DC_OS="$(uname -s)"
+DC_OS_VERSION="$(uname -r)"
+DC_ARCH="$(uname -m)"
+
+if [ "$DC_OS" = "Linux" ]; then
+	if [ -f /etc/arch-release ]; then
+		DC_DISTRIBUTION="arch"
+	elif [ -f /etc/turris-version ]; then
+		DC_DISTRIBUTION="turris"
+	elif [ -f /etc/os-release ]; then
+		# Use as DISTRIBUTION ID field
+		DC_DISTRIBUTION="$(sed -nE 's/^ID=(.*)/\1/p' /etc/os-release)"
+	else
+		DC_DISTRIBUTION="unknown"
+	fi
+	# Identify init (only systemd and openrc are supported on linux)
+	if pidof systemd >/dev/null; then
+		# Systemd is running on accessed machine
+		DC_INIT="systemd"
+	elif pidof procd >/dev/null; then
+		DC_INIT="procd"
+	elif rc-status -v 2>/dev/null >/dev/null; then
+		DC_INIT="openrc"
+	else
+		DC_INIT="unknown"
+	fi
+	echo_dbg "Detected Linux. Distribution $DC_DISTRIBUTION. With $DC_INIT init system."
+elif [ "$DC_OS" = "FreeBSD" ]; then
+	DC_DISTRIBUTION="FreeBSD" # This makes no sense on FreeBSD so set same as OS
+	DC_INIT="FreeBSD"
+	echo_dbg "Detected FreeBSD."
+else
+	echo_die "Unknown or unsupported kernel detected on accessed machine."
+fi
+
+# Archlinux
+DC_PACAUR=false
+if [ "$DC_DISTRIBUTION" = "arch" ]; then
+	if which pacaur >/dev/null; then
+		DC_PACAUR=true
+		echo_dbg "Accessed machine has pacaur"
+	fi
+fi
-- 
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