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Only change expiration date if it is different (#38885)

* Only change expiration date if it is different

Modify user_info() method to also return the password expiration.
Compare current and desired expiration times and only change if they are different.

* Improve formatting on user tests

* Add integration test for expiration

* Add changelog fragment

* Improve integration test

Skip macOS and use getent module for validating expiration date.

* Fix expiration change for FreeBSD

* Don't use datetime since the total_seconds method isn't available on CentOS 6

* Use better name for expiration index field

Use separate tasks for verifying expiration date on BSD

* Use calendar.timegm() rather than time.mktime()

calendar.timegm() is the inverse of time.gmtime() and returns a timestamp in UTC not localtime
Add tests that change the system timezone away from UTC

* Mark tests as destructive and use test for change status

* Fix account expiration for FreeBSD

Use DATE_FORMAT when setting expiration date on FreeBSD. Previously the argument passed to -e was an integer of days since epoch when the account will expire which was inserted directly into master.passwd. This value is interpreted as seconds since epoch by the system, meaning the account expiration was actually set to a few hours past epoch.

Greatly simply comparing desired  and current expiration time by using the first three values of the struct_time tuple rather than doing a whole bunch of manipulations of the seconds since epoch.
This commit is contained in:
Sam Doran 2018-05-01 11:19:02 -04:00 committed by Brian Coca
parent b9f7f582d1
commit 5a6bdef76b
4 changed files with 185 additions and 76 deletions

View file

@ -0,0 +1,2 @@
bugfixes:
- user - only change the expiration time when necessary (https://github.com/ansible/ansible/issues/13235)

View file

@ -270,6 +270,7 @@ class User(object):
platform = 'Generic'
distribution = None
SHADOWFILE = '/etc/shadow'
SHADOWFILE_EXPIRE_INDEX = 7
DATE_FORMAT = '%Y-%m-%d'
def __new__(cls, *args, **kwargs):
@ -532,8 +533,16 @@ class User(object):
cmd.append(self.shell)
if self.expires:
cmd.append('-e')
cmd.append(time.strftime(self.DATE_FORMAT, self.expires))
current_expires = self.user_password()[1]
# Convert days since Epoch to seconds since Epoch as struct_time
total_seconds = int(current_expires) * 86400
current_expires = time.gmtime(total_seconds)
# Compare year, month, and day only
if current_expires[:3] != self.expires[:3]:
cmd.append('-e')
cmd.append(time.strftime(self.DATE_FORMAT, self.expires))
if self.password_lock:
cmd.append('-L')
@ -616,25 +625,30 @@ class User(object):
return False
info = self.get_pwd_info()
if len(info[1]) == 1 or len(info[1]) == 0:
info[1] = self.user_password()
info[1] = self.user_password()[0]
return info
def user_password(self):
passwd = ''
expires = ''
if HAVE_SPWD:
try:
passwd = spwd.getspnam(self.name)[1]
expires = spwd.getspnam(self.name)[7]
return passwd, expires
except KeyError:
return passwd
return passwd, expires
if not self.user_exists():
return passwd
return passwd, expires
elif self.SHADOWFILE:
# Read shadow file for user's encrypted password string
if os.path.exists(self.SHADOWFILE) and os.access(self.SHADOWFILE, os.R_OK):
for line in open(self.SHADOWFILE).readlines():
if line.startswith('%s:' % self.name):
passwd = line.split(':')[1]
return passwd
expires = line.split(':')[self.SHADOWFILE_EXPIRE_INDEX]
return passwd, expires
def get_ssh_key_path(self):
info = self.user_info()
@ -767,6 +781,8 @@ class FreeBsdUser(User):
platform = 'FreeBSD'
distribution = None
SHADOWFILE = '/etc/master.passwd'
SHADOWFILE_EXPIRE_INDEX = 6
DATE_FORMAT = '%d-%b-%Y'
def remove_user(self):
cmd = [
@ -830,9 +846,8 @@ class FreeBsdUser(User):
cmd.append(self.login_class)
if self.expires:
days = (time.mktime(self.expires) - time.time()) // 86400
cmd.append('-e')
cmd.append(str(int(days)))
cmd.append(time.strftime(self.DATE_FORMAT, self.expires))
# system cannot be handled currently - should we error if its requested?
# create the user
@ -932,8 +947,12 @@ class FreeBsdUser(User):
cmd.append(','.join(new_groups))
if self.expires:
cmd.append('-e')
cmd.append(str(int(time.mktime(self.expires))))
current_expires = time.gmtime(int(self.user_password()[1]))
# Compare year, month, and day only
if current_expires[:3] != self.expires[:3]:
cmd.append('-e')
cmd.append(time.strftime(self.DATE_FORMAT, self.expires))
# modify the user if cmd will do anything
if cmd_len != len(cmd):

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@ -1 +1,2 @@
destructive
posix/ci/group1

View file

@ -20,142 +20,229 @@
shell: python -c 'import jinja2; print(jinja2.__version__)'
register: jinja2_version
delegate_to: localhost
- debug: var=jinja2_version
changed_when: no
- debug:
msg: "Jinja version: {{ jinja2_version.stdout }}, Python version: {{ ansible_python_version }}"
##
## user add
##
#
- name: remove the test user
user:
name: ansibulluser
state: absent
name: ansibulluser
state: absent
- name: try to create a user
user:
name: ansibulluser
state: present
name: ansibulluser
state: present
register: user_test0
- debug: var=user_test0
- debug:
var: user_test0
verbosity: 2
- name: make a list of users
script: userlist.sh "{{ ansible_distribution }}"
script: userlist.sh {{ ansible_distribution }}
register: user_names
- debug: var=user_names
- debug:
var: user_names
verbosity: 2
- name: validate results for testcase 0
assert:
that:
- 'user_test0.changed is defined'
- 'user_test0.changed'
- '"ansibulluser" in user_names.stdout_lines'
that:
- user_test0 is changed
- '"ansibulluser" in user_names.stdout_lines'
##
## user check
##
- name: run existing user check tests
user:
name: "{{ user_names.stdout_lines|random }}"
state: present
create_home: no
name: "{{ user_names.stdout_lines | random }}"
state: present
create_home: no
with_sequence: start=1 end=5
register: user_test1
- debug: var=user_test1
- debug:
var: user_test1
verbosity: 2
- name: validate results for testcase 1
assert:
that:
- 'user_test1.results is defined'
- 'user_test1.results|length == 5'
that:
- user_test1.results is defined
- user_test1.results | length == 5
- name: validate changed results for testcase 1 (jinja >= 2.6)
assert:
that:
- "user_test1.results|map(attribute='changed')|unique|list == [False]"
- "user_test1.results|map(attribute='state')|unique|list == ['present']"
when: "jinja2_version.stdout is version('2.6', '>=')"
that:
- user_test1.results | map(attribute='changed') | unique | list == [False]
- user_test1.results | map(attribute='state') | unique | list == ['present']
when: jinja2_version.stdout is version('2.6', '>=')
- name: validate changed results for testcase 1 (jinja >= 2.6)
- name: validate changed results for testcase 1 (jinja < 2.6)
assert:
that:
- "not user_test1.results[0]['changed']"
- "not user_test1.results[1]['changed']"
- "not user_test1.results[2]['changed']"
- "not user_test1.results[3]['changed']"
- "not user_test1.results[4]['changed']"
- "user_test1.results[0]['state'] == 'present'"
- "user_test1.results[1]['state'] == 'present'"
- "user_test1.results[2]['state'] == 'present'"
- "user_test1.results[3]['state'] == 'present'"
- "user_test1.results[4]['state'] == 'present'"
when: "jinja2_version.stdout is version('2.6', '<')"
that:
- "user_test1.results[0] is not changed"
- "user_test1.results[1] is not changed"
- "user_test1.results[2] is not changed"
- "user_test1.results[3] is not changed"
- "user_test1.results[4] is not changed"
- "user_test1.results[0]['state'] == 'present'"
- "user_test1.results[1]['state'] == 'present'"
- "user_test1.results[2]['state'] == 'present'"
- "user_test1.results[3]['state'] == 'present'"
- "user_test1.results[4]['state'] == 'present'"
when: jinja2_version.stdout is version('2.6', '<')
##
## user remove
##
- name: try to delete the user
user:
name: ansibulluser
state: absent
force: true
name: ansibulluser
state: absent
force: true
register: user_test2
- name: make a new list of users
script: userlist.sh "{{ ansible_distribution }}"
script: userlist.sh {{ ansible_distribution }}
register: user_names2
- debug: var=user_names2
- debug:
var: user_names2
verbosity: 2
- name: validate results for testcase 2
assert:
that:
- '"ansibulluser" not in user_names2.stdout_lines'
that:
- '"ansibulluser" not in user_names2.stdout_lines'
- block:
- name: create non-system user on OSX to test the shell is set to /bin/bash
- name: create non-system user on macOS to test the shell is set to /bin/bash
user:
name: osxuser
register: osxuser_output
name: macosuser
register: macosuser_output
- name: validate the shell is set to /bin/bash
assert:
that:
- 'osxuser_output.shell == "/bin/bash"'
- 'macosuser_output.shell == "/bin/bash"'
- name: cleanup
user:
name: osxuser
name: macosuser
state: absent
- name: create system user on OSX to test the shell is set to /usr/bin/false
- name: create system user on macos to test the shell is set to /usr/bin/false
user:
name: osxuser
name: macosuser
system: yes
register: osxuser_output
register: macosuser_output
- name: validate the shell is set to /usr/bin/false
assert:
that:
- 'osxuser_output.shell == "/usr/bin/false"'
- 'macosuser_output.shell == "/usr/bin/false"'
- name: cleanup
user:
name: osxuser
name: macosuser
state: absent
- name: create non-system user on OSX and set the shell to /bin/sh
- name: create non-system user on macos and set the shell to /bin/sh
user:
name: osxuser
name: macosuser
shell: /bin/sh
register: osxuser_output
register: macosuser_output
- name: validate the shell is set to /bin/sh
assert:
that:
- 'osxuser_output.shell == "/bin/sh"'
- 'macosuser_output.shell == "/bin/sh"'
- name: cleanup
user:
name: osxuser
name: macosuser
state: absent
when: ansible_distribution == "MacOSX"
## user expires
# Date is March 3, 2050
- name: Create user with expiration
user:
name: ansibulluser
state: present
expires: 2529881062
register: user_test_expires1
- name: Create user with expiration again to ensure no change is made
user:
name: ansibulluser
state: present
expires: 2529881062
register: user_test_expires2
- name: Ensure that account with expiration was created and did not change on subsequent run
assert:
that:
- user_test_expires1 is changed
- user_test_expires2 is not changed
- name: Verify expiration date for Linux
block:
- name: LINUX | Get expiration date for ansibulluser
getent:
database: shadow
key: ansibulluser
- name: LINUX | Ensure proper expiration date was set
assert:
that:
- getent_shadow['ansibulluser'][6] == '29281'
when: ansible_os_family in ['RedHat', 'Debian', 'Suse']
- name: Verify expiration date for BSD
block:
- name: BSD | Get expiration date for ansibulluser
shell: 'grep ansibulluser /etc/master.passwd | cut -d: -f 7'
changed_when: no
register: bsd_account_expiration
- name: BSD | Ensure proper expiration date was set
assert:
that:
- bsd_account_expiration.stdout == '2529878400'
when: ansible_os_family == 'FreeBSD'
- name: Change timezone
timezone:
name: America/Denver
register: original_timezone
- name: Change system timezone to make sure expiration comparison works properly
block:
- name: Create user with expiration again to ensure no change is made in a new timezone
user:
name: ansibulluser
state: present
expires: 2529881062
register: user_test_different_tz
- name: Ensure that no change was reported
assert:
that:
- user_test_different_tz is not changed
always:
- name: Restore original timezone - {{ original_timezone.diff.before.name }}
timezone:
name: "{{ original_timezone.diff.before.name }}"