def get_kernel_version_from_grub_conf(workdir,
input="boot/grub/grub.conf.json"):
"""
:see: ``sos_analyzer.scanner.grub``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
default_boot_idx = None
for d in data:
if d.get("option", None) == "default":
default_boot_idx = int(d.get("value", 0))
break
if default_boot_idx is None:
logging.warn("Could not find the default boot idx in " + input)
return None
kernels = [d for d in data if d.get("title", False)]
try:
return kernels[default_boot_idx].get("kernel", None)
except Exception:
logging.error("Failed to get the default boot kernel")
return None
def get_kernel_version_from_grub_conf(workdir,
input="boot/grub/grub.conf.json"):
"""
:see: ``sos_analyzer.scanner.grub``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
default_boot_idx = None
for d in data:
if d.get("option", None) == "default":
default_boot_idx = int(d.get("value", 0))
break
if default_boot_idx is None:
logging.warn("Could not find the default boot idx in " + input)
return None
kernels = [d for d in data if d.get("title", False)]
try:
return kernels[default_boot_idx].get("kernel", None)
except Exception:
logging.error("Failed to get the default boot kernel")
return None
def get_locale(workdir, input="etc/sysconfig/i18n.json"):
"""
:see: ``sos_analyzer.scanner.etc_sysconfig_i18n``
"""
data = Base.load_scanned_data(workdir, input)
if data:
for d in data:
if d.get("option", '') == "LANG":
return d.get("value")
def list_normal_filesystems(workdir, input="df.json"):
"""
:see: ``sos_analyzer.scanner.df``
"""
data = Base.load_scanned_data(workdir, input)
if data:
for d in data:
if d.get("used_rate", False):
yield d
def get_kernel_version_from_uname(workdir, input="uname.json"):
"""
:see: ``sos_analyzer.scanner.uname``
"""
data = Base.load_scanned_data(workdir, input)
if data:
return data[0].get("kernel_release", None)
return None
def get_kernel_version_from_uname(workdir, input="uname.json"):
"""
:see: ``sos_analyzer.scanner.uname``
"""
data = Base.load_scanned_data(workdir, input)
if data:
return data[0].get("kernel_release", None)
return None
def find_lvm_device_filter(workdir, input="etc/lvm/lvm.conf.json"):
"""
:see: ``sos_analyzer.scanner.etc_lvm_lvm_conf``
"""
data = Base.load_scanned_data(workdir, input)
if data:
for section in data:
if section["title"] == "devices":
return section["values"].get("filter", [])
def find_lvm_device_filter(workdir, input="etc/lvm/lvm.conf.json"):
"""
:see: ``sos_analyzer.scanner.etc_lvm_lvm_conf``
"""
data = Base.load_scanned_data(workdir, input)
if data:
for section in data:
if section["title"] == "devices":
return section["values"].get("filter", [])
def find_hw_error_suspects_g(workdir, pattern, input="var/log/messages.json"):
"""
:see: ``sos_analyzer.scanner.var_log_messages``
"""
reg = re.compile(pattern, re.IGNORECASE)
data = Base.load_scanned_data(workdir, input)
if data:
for d in data:
if reg.match(d.get("message", '')):
yield d
def get_cur_runlevel(workdir, default=3,
input="sos_commands/startup/runlevel.json"):
"""
:see: ``sos_analyzer.scanner.runlevel``
"""
data = Base.load_scanned_data(workdir, input)
if data:
return int(data[0].get("cur_runlevel", default))
return default
def is_sysstat_cronjob_enabled(workdir, input="etc/cron.d/sysstat.json"):
"""
:see: ``sos_analyzer.scanner.etc_crond_sysstat``
"""
data = Base.load_scanned_data(workdir, input)
reg = re.compile(r"^/usr/lib.+/sa/sa.+")
if data:
return any(reg.match(d.get("command", '')) for d in data)
return False
def find_hw_error_suspects_g(workdir, pattern, input="var/log/messages.json"):
"""
:see: ``sos_analyzer.scanner.var_log_messages``
"""
reg = re.compile(pattern, re.IGNORECASE)
data = Base.load_scanned_data(workdir, input)
if data:
for d in data:
if reg.match(d.get("message", '')):
yield d
def find_ng_dev_specs(workdir, ng_devs_re=NG_DEVS_RE, input="etc/fstab.json"):
"""
:see: ``sos_analyzer.scanner.etc_fstab``
"""
data = Base.load_scanned_data(workdir, input)
if data:
for d in data:
dev = d["device"]
m = ng_devs_re.match(dev)
if m:
yield d
def list_modified_g(workdir, input="rpm-Va.json", flags=FLAGS):
"""
:see: ``sos_analyzer.scanner.rpm_Va``
"""
data = Base.load_scanned_data(workdir, input)
if data:
for d in data:
ms = [(f, d[f]) for f in flags if d.get(f, '.') != '.']
if ms:
d["modified"] = ", ".join(m[0] for m in ms)
yield d
def is_sysrq_enabled(workdir, input="sos_commands/kernel/sysctl_-a.json"):
"""
:see: ``sos_analyzer.scanner.sysctl_a``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
for d in data:
if d["parameter"] == "kernel.sysrq":
return d.get("value", '0') == '1'
return False
def is_sysrq_enabled(workdir, input="sos_commands/kernel/sysctl_-a.json"):
"""
:see: ``sos_analyzer.scanner.sysctl_a``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
for d in data:
if d["parameter"] == "kernel.sysrq":
return d.get("value", '0') == '1'
return False
def is_root_login_enabled(workdir, runlevel=3,
input="etc/ssh/sshd_config.json"):
"""
:see: ``sos_analyzer.scanner.etc_ssh_sshd_config``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
for d in data:
if d.get("config", None) == "PermitRootLogin":
if d.get("value", None) == "yes":
return True
return False
def is_root_login_enabled(workdir,
runlevel=3,
input="etc/ssh/sshd_config.json"):
"""
:see: ``sos_analyzer.scanner.etc_ssh_sshd_config``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
for d in data:
if d.get("config", None) == "PermitRootLogin":
if d.get("value", None) == "yes":
return True
return False
def list_installed_kernels(workdir, input="installed-rpms.json"):
"""
:see: ``sos_analyzer.scanner.installed_rpms``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
def pick_kernels(data):
for d in data:
rpm = d.get("rpm", None)
if not rpm.startswith("kernel-"):
continue
m = KERNEL_RE.match(rpm)
if m:
yield m.groups()[0]
# TODO: Check this works (ordered from the later ones).
return sorted(pick_kernels(data), reverse=True)
def list_installed_kernels(workdir, input="installed-rpms.json"):
"""
:see: ``sos_analyzer.scanner.installed_rpms``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
def pick_kernels(data):
for d in data:
rpm = d.get("rpm", None)
if not rpm.startswith("kernel-"):
continue
m = KERNEL_RE.match(rpm)
if m:
yield m.groups()[0]
# TODO: Check this works (ordered from the later ones).
return sorted(pick_kernels(data), reverse=True)
def find_kdump_partition(workdir, input="etc/kdump.conf.json"):
"""
FIXME: Implement the logic to check kdump partition is large enough.
:see: ``sos_analyzer.scanner.etc_kdump_conf``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
path = "/var/crash" # @see kdump.conf(5)
partition = None
for d in data:
if d.get("path", False):
path = d["path"] # noqa: not implemented yet.
if d.get("partition", False):
partition = d["partition"]
if partition: # e.g. /dev/sda3, LABEL=/boot, UUID=...
fss = SAF.list_normal_filesystems(workdir) # noqa: likewise.
pass
def find_kdump_partition(workdir, input="etc/kdump.conf.json"):
"""
FIXME: Implement the logic to check kdump partition is large enough.
:see: ``sos_analyzer.scanner.etc_kdump_conf``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
path = "/var/crash" # @see kdump.conf(5)
partition = None
for d in data:
if d.get("path", False):
path = d["path"] # noqa: not implemented yet.
if d.get("partition", False):
partition = d["partition"]
if partition: # e.g. /dev/sda3, LABEL=/boot, UUID=...
fss = SAF.list_normal_filesystems(workdir) # noqa: likewise.
pass
def list_services_on_cur_runlevel(workdir, runlevel=3, input="chkconfig.json"):
"""
:see: ``sos_analyzer.scanner.chkconfig``
"""
data = Base.load_scanned_data(workdir, input)
if not data:
return None
runlevel = get_cur_runlevel(workdir, runlevel)
enabled_svcs = [s["service"] for s in data
if "service" in s and s["status"][runlevel] == "on"]
disabled_svcs = [s["service"] for s in data
if "service" in s and s["status"][runlevel] == "off"]
fully_disabled_svcs = [s["service"] for s in data if _is_fully_disabled(s)]
enabled_xinetd_svcs = [s["xinetd_service"] for s in data
if s["status"] == "on"]
return dict(enabled_services=enabled_svcs,
disabled_services=disabled_svcs,
fully_disabled_services=fully_disabled_svcs,
enabled_xinetd_services=enabled_xinetd_svcs)