initial code repo

[stor4nfv.git] / src / ceph / src / ceph-detect-init / ceph_detect_init / gentoo / __init__.py

diff --git a/src/ceph/src/ceph-detect-init/ceph_detect_init/gentoo/__init__.py b/src/ceph/src/ceph-detect-init/ceph_detect_init/gentoo/__init__.py
new file mode 100644 (file)
index 0000000..c6f4e1e
--- /dev/null
+++ b/src/ceph/src/ceph-detect-init/ceph_detect_init/gentoo/__init__.py
@@ -0,0 +1,34 @@
+import os
+distro = None
+release = None
+codename = None
+
+
+# From ceph-disk, but there is no way to access it since it's not in a module
+def is_systemd():
+    """
+    Detect whether systemd is running;
+    WARNING: not mutually exclusive with openrc
+    """
+    with open('/proc/1/comm') as i:
+        return 'systemd' in i.read()
+
+
+def is_openrc():
+    """
+    Detect whether openrc is running.
+    """
+    OPENRC_CGROUP = '/sys/fs/cgroup/openrc'
+    return os.path.isdir(OPENRC_CGROUP)
+
+
+def choose_init():
+    """Select a init system
+
+    Returns the name of a init system (upstart, sysvinit ...).
+    """
+    if is_openrc():
+        return 'openrc'
+    if is_systemd():
+        return 'systemd'
+    return 'unknown'