From 4fb35642a47550021fed3e455bedc9b6fdf2b9c9 Mon Sep 17 00:00:00 2001 From: Luke Meyer Date: Thu, 19 Oct 2017 11:47:56 -0400 Subject: disk_availability check: include submount storage Fixes bug 1491566 https://bugzilla.redhat.com/show_bug.cgi?id=1491566 In order to determine how much storage is under a path, include any mounts that are below it in addition to the path itself. --- .../openshift_checks/disk_availability.py | 13 +++++++++++- .../test/disk_availability_test.py | 23 ++++++++++++++++++++-- 2 files changed, 33 insertions(+), 3 deletions(-) diff --git a/roles/openshift_health_checker/openshift_checks/disk_availability.py b/roles/openshift_health_checker/openshift_checks/disk_availability.py index 7956559c6..87e6146d4 100644 --- a/roles/openshift_health_checker/openshift_checks/disk_availability.py +++ b/roles/openshift_health_checker/openshift_checks/disk_availability.py @@ -1,6 +1,7 @@ """Check that there is enough disk space in predefined paths.""" import tempfile +import os.path from openshift_checks import OpenShiftCheck, OpenShiftCheckException @@ -121,11 +122,21 @@ class DiskAvailability(OpenShiftCheck): return {} + def find_ansible_submounts(self, path): + """Return a list of ansible_mounts that are below the given path.""" + base = os.path.join(path, "") + return [ + mount + for mount in self.get_var("ansible_mounts") + if mount["mount"].startswith(base) + ] + def free_bytes(self, path): """Return the size available in path based on ansible_mounts.""" + submounts = sum(mnt.get('size_available', 0) for mnt in self.find_ansible_submounts(path)) mount = self.find_ansible_mount(path) try: - return mount['size_available'] + return mount['size_available'] + submounts except KeyError: raise OpenShiftCheckException( 'Unable to retrieve disk availability for "{path}".\n' diff --git a/roles/openshift_health_checker/test/disk_availability_test.py b/roles/openshift_health_checker/test/disk_availability_test.py index 29a325a17..7acdb40ec 100644 --- a/roles/openshift_health_checker/test/disk_availability_test.py +++ b/roles/openshift_health_checker/test/disk_availability_test.py @@ -96,6 +96,24 @@ def test_cannot_determine_available_disk(desc, ansible_mounts, expect_chunks): 'size_available': 20 * 10**9 + 1, }], ), + ( + ['oo_masters_to_config'], + 0, + [{ + 'mount': '/', + 'size_available': 2 * 10**9, + }, { # not enough directly on /var + 'mount': '/var', + 'size_available': 10 * 10**9 + 1, + }, { + # but subdir mounts add up to enough + 'mount': '/var/lib/docker', + 'size_available': 20 * 10**9 + 1, + }, { + 'mount': '/var/lib/origin', + 'size_available': 20 * 10**9 + 1, + }], + ), ]) def test_succeeds_with_recommended_disk_space(group_names, configured_min, ansible_mounts): task_vars = dict( @@ -104,9 +122,10 @@ def test_succeeds_with_recommended_disk_space(group_names, configured_min, ansib ansible_mounts=ansible_mounts, ) - result = DiskAvailability(fake_execute_module, task_vars).run() + check = DiskAvailability(fake_execute_module, task_vars) + check.run() - assert not result.get('failed', False) + assert not check.failures @pytest.mark.parametrize('name,group_names,configured_min,ansible_mounts,expect_chunks', [ -- cgit v1.2.3