[Freeipa-users] Backend & UI plugin update for 4.4.x
Steve Huston
huston at astro.princeton.edu
Tue Jan 31 21:36:39 UTC 2017
What defines the contents of /var/lib/pki/pki-tomcat/conf/server.xml?
<!-- Define an AJP 1.3 Connector on port 8009 -->
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443"
address="::1" />
Doesn't work so well on a host without IPv6 turned on...
Jan 31 14:26:59 ipa server: PKIListener:
org.apache.catalina.core.StandardServer[before_init]
Jan 31 14:27:00 ipa server: SEVERE: Failed to initialize end point
associated with ProtocolHandler ["ajp-bio-0:0:0:0:0:0:0:1-8009"]
Jan 31 14:27:00 ipa server: java.net.SocketException: Protocol family
unavailable
On Fri, Jan 27, 2017 at 4:23 PM, Steve Huston
<huston at astro.princeton.edu> wrote:
> Stranger, I did an install on a different VM with the CentOS 7 minimal
> ISO, then installed ipa-server and enough things to get X11 and
> Firefox, ran ipa-server-install and it worked fine. I tested with
> Firefox (and Safari) against my failing installation and it still
> fails. So there's something else different that's causing it to
> break. Will continue investigating, but if someone knows why the UI
> would break this way it would be helpful to know where to look!
>
> On Thu, Jan 26, 2017 at 11:53 AM, Steve Huston
> <huston at astro.princeton.edu> wrote:
>> Just did it again with the same result. Reinstalled the machine, then
>> did a 'yum install ipa-server python2-ipaserver httpd' which pulled in
>> version 4.4.0-14.el7_3.4 and a bunch of other packages. Next was the
>> ipa-server-install as I used before, only without --mkhomedir this
>> time. After entering the passwords for directory administrator and
>> the admin user, I then logged in to the web interface, immediately
>> clicked "add" and added a user 'foobar'. When I clicked "add and
>> edit" and was brought to the user information page, it looks like this
>> at the bottom:
>>
>> https://www.dropbox.com/s/e67j8rdaq9wvkni/Screenshot%202017-01-26%2011.33.03.png?dl=0
>>
>> I then entered an employee number of '0001' just to give something to
>> save, and clicked save. The screen now shows this (I've clicked the
>> drop-down on the manager field so the choices are visible):
>>
>> https://www.dropbox.com/s/oxmqwf2rsz15grd/Screenshot%202017-01-26%2011.33.58.png?dl=0
>>
>> Holding shift and clicking reload, the page now looks like this (the
>> employee number field is also blank again):
>>
>> https://www.dropbox.com/s/f8ptycnetvsxjnb/Screenshot%202017-01-26%2011.35.03.png?dl=0
>>
>> Since we do run a repackaged distribution here (Springdale Linux), I
>> just unpacked ipa-server-common from our repository with the above
>> version, and http://mirror.centos.org/centos/7/updates/x86_64/Packages/ipa-server-common-4.4.0-14.el7.centos.4.noarch.rpm,
>> and 'diff' found zero differences between them. Unlikely, but I
>> wanted to rule out a packaging error causing the problem.
>>
>> On Wed, Jan 25, 2017 at 4:12 PM, Steve Huston
>> <huston at astro.princeton.edu> wrote:
>>> No, that should be all of the major changes; the puppet module that
>>> installs things only puts the two plugin files in their respective
>>> places. The client part of the IPA module makes changes to have the
>>> machine join the domain and whatnot, but those shouldn't affect the
>>> webui.
>>>
>>> I do modify the schema by adding some attribute types for Puppet,
>>> namely puppetClass, parentNode, environment, puppetVar, and the object
>>> class puppetClient. That's basically right from one of the Puppet
>>> webpages and also worked in the past - and is one of the things the
>>> python plugin does, add the appropriate objectclass to host entries if
>>> puppetVar is added to a host entry.
>>>
>>> My steps to install:
>>> * ipa-server-install --realm=<realm> --domain=<domain> --mkhomedir
>>> --hostname=<hostname> --no-host-dns
>>> * ldapmodify -ZZ -h localhost -x -D 'cn=Directory Manager' -W
>>> < paste puppet schema changes>
>>> < paste DN entry for uid=hostadder,cn=sysaccounts,cn=etc... - a
>>> service account used by puppet for adding hosts to IPA >
>>> * login to web UI
>>> * * Change home directory base, default shell, default SELinux user
>>> * * Add SELinux user map for staff/sysadmin users
>>> * * Add "user adder" permission/privilege/role for users who will be
>>> able to create stageusers
>>>
>>> That's about as far as I got before I realized some of the plugin
>>> pieces weren't working, and then fixed the python plugin followed by
>>> working on the UI plugin and finding this problem. I'll go wipe and
>>> reinstall the system again and walk through the steps, but test the UI
>>> first and in between to see if I can find which of the steps might be
>>> causing things to hiccup.
>>>
>>> On Wed, Jan 25, 2017 at 1:42 PM, Pavel Vomacka <pvomacka at redhat.com> wrote:
>>>> Hello Steve,
>>>>
>>>> I tried to reproduce what you described on the very same version of
>>>> ipa-server and I was not successful. Actually I was not used your back-end
>>>> plugin. I tried it with no plugin and then with your UI plugin and both
>>>> worked correctly. Did you do any other changes somewhere in your
>>>> installation?
>>>>
>>>> I will try it again also with your Python plugin and we'll see.
>>>>
>>>>
>>>> On 01/24/2017 08:59 PM, Steve Huston wrote:
>>>>>
>>>>> And now I'm convinced this has nothing to do with my plugin and
>>>>> instead is a bug somewhere in FreeIPA.
>>>>>
>>>>> I removed the entirety of the "astrocustom" plugin that I wrote,
>>>>> restarted httpd, and force reloaded the page in chrome. I clicked to
>>>>> add a new user, gave the basic information, and clicked "add and
>>>>> edit". The bottom of the page shows the "Employee information" on the
>>>>> left side bottom, and the manager drop-down is empty. I entered '1'
>>>>> in the "employee type" field and clicked save, and now "Employee
>>>>> Information" is on the right side directly under "Contact settings",
>>>>> and the manager drop-down is populated with the list of UIDs on the
>>>>> system.
>>>>>
>>>>> When the UI is in the failed state, the "email address" field is also
>>>>> blank, but when things switch to how they should be (after submitting
>>>>> a change) it is populated with the email address in the record. I
>>>>> just tested by adding a telephone number to the record, and that also
>>>>> made the contact information and employee information facets refresh
>>>>> with the proper data. Pressing shift-reload again makes all the
>>>>> information disappear (including the telephone number I just entered).
>>>>>
>>>>> This is with ipa-server-4.4.0-14.el7_3.4
>>>>>
>>>>>
>>>>> On Mon, Jan 23, 2017 at 1:55 PM, Steve Huston
>>>>> <huston at astro.princeton.edu> wrote:
>>>>>>
>>>>>> Just tested again, and this is still baffling:
>>>>>>
>>>>>> * Create a stage user with the right data, works fine, can be edited.
>>>>>> * Enable that user, and now the two fields ('manager' and
>>>>>> 'employeeType') appear to have bogus data in the UI, and I cannot save
>>>>>> the page without changing them to something else.
>>>>>> * Once that user is saved, the "Employee Information" facet moves to
>>>>>> the right side of the page, and now shows not only the current data in
>>>>>> the manager drop down but also the other choices (uids). Change the
>>>>>> value of manager and employeetype back to what they were previously
>>>>>> and it saves.
>>>>>> * An ldapsearch run when the user is first created (as the directory
>>>>>> manager), and after having two edits (one to change the values to
>>>>>> something else to let the webui save them, and one to change them back
>>>>>> to what they should be and were the first time) produce completely
>>>>>> identical results.
>>>>>> * The output of "ipa user-show <uid> --all --raw" is also identical at
>>>>>> those same steps.
>>>>>>
>>>>>> So something, somewhere, is being saved in a way that prevents the
>>>>>> webui from displaying them properly, that gets fixed when those values
>>>>>> are manually changed via the webui.
>>>>>>
>>>>>> On Thu, Jan 19, 2017 at 2:44 PM, Steve Huston
>>>>>> <huston at astro.princeton.edu> wrote:
>>>>>>>
>>>>>>> Even more interesting...
>>>>>>>
>>>>>>> I tried to modify one of the records that was not displaying properly
>>>>>>> in the "active users" group, and sure enough the webui complained that
>>>>>>> the "Requested By" (relabeled "manager") field was not filled in since
>>>>>>> it was blank. It also, however, complained that the "User tier"
>>>>>>> (relabeled "employeetype") was incorrect, even though it showed the
>>>>>>> label associated with the value 1. I clicked the search drop-down for
>>>>>>> manager, typed in my own uid, and even though everything had been
>>>>>>> blank in the drop down before now my uid showed up. I clicked on it,
>>>>>>> and my uid was now in the manager field. I then clicked the drop down
>>>>>>> for employeetype, and chose one of the other options. I was now able
>>>>>>> to save the changes to the record.
>>>>>>>
>>>>>>> Upon reloading the page, the "Employee Information" facet now shoed up
>>>>>>> on the right side bottom, instead of the left side bottom where it was
>>>>>>> appearing. I was also now able to change the drop-down fields for
>>>>>>> manager and employeetype to another value, and save them, and they
>>>>>>> worked fine even filling in all the data that should have been there.
>>>>>>> This almost seemed like the data being returned by the server was
>>>>>>> flawed somehow, and confusing the webui, but once it was forced to
>>>>>>> have the right data and re-saved it worked fine subsequently.
>>>>>>>
>>>>>>> I looked at the output of "ipa user-show <uid> --all --raw" both
>>>>>>> before and after making such changes on a user, and can detect no
>>>>>>> difference between them.
>>>>>>>
>>>>>>> On Thu, Jan 19, 2017 at 1:14 PM, Alexander Bokovoy <abokovoy at redhat.com>
>>>>>>> wrote:
>>>>>>>>
>>>>>>>> On to, 19 tammi 2017, Steve Huston wrote:
>>>>>>>>>
>>>>>>>>> On Thu, Jan 19, 2017 at 11:16 AM, Alexander Bokovoy
>>>>>>>>> <abokovoy at redhat.com>
>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>> In short, FreeIPA 4.2 -> 4.4 change was by splitting server and
>>>>>>>>>> client
>>>>>>>>>> side plugins into different paths (ipaserver/plugins and
>>>>>>>>>> ipaclient/plugins instead of being common in ipalib/plugins). The
>>>>>>>>>> client
>>>>>>>>>> code was also changed to always read metadata about API from the
>>>>>>>>>> server
>>>>>>>>>> side. This means the client can adopt to any server version that
>>>>>>>>>> supports API metadata.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Right, and I think that the most of the plugin I had belongs
>>>>>>>>> server-side; in fact, that's where I migrated it to, and things work
>>>>>>>>> fine. I haven't tested if I can change those values with the cli, but
>>>>>>>>> I'm less concerned about that at the moment.
>>>>>>>>>
>>>>>>>>>> In my sample external plugin you referenced above you can see that I
>>>>>>>>>> have client-side change that replaces an input string by a file
>>>>>>>>>> reference so that a file can supplied instead of typing the content
>>>>>>>>>> of
>>>>>>>>>> the file on the command line. This is one of most used patterns for
>>>>>>>>>> client side plugins.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> In this case, my biggest problem is with the web UI. The 'manager'
>>>>>>>>> drop down (which I have renamed through the UI plugins to "Requested
>>>>>>>>> By" to show what user requested and is responsible for this account)
>>>>>>>>> works fine in the 'add/modify stageuser' context, but not at all in
>>>>>>>>> the adduser/moduser context, and I can't seem to find out why.
>>>>>>>>
>>>>>>>> I'll defer answer for this to our web UI wizards but they would need to
>>>>>>>> see your code to help, I'd guess.
>>>>>>>>
>>>>>>>> --
>>>>>>>> / Alexander Bokovoy
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Steve Huston - W2SRH - Unix Sysadmin, PICSciE/CSES & Astrophysical Sci
>>>>>>> Princeton University | ICBM Address: 40.346344 -74.652242
>>>>>>> 345 Lewis Library |"On my ship, the Rocinante, wheeling through
>>>>>>> Princeton, NJ 08544 | the galaxies; headed for the heart of Cygnus,
>>>>>>> (267) 793-0852 | headlong into mystery." -Rush, 'Cygnus X-1'
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Steve Huston - W2SRH - Unix Sysadmin, PICSciE/CSES & Astrophysical Sci
>>>>>> Princeton University | ICBM Address: 40.346344 -74.652242
>>>>>> 345 Lewis Library |"On my ship, the Rocinante, wheeling through
>>>>>> Princeton, NJ 08544 | the galaxies; headed for the heart of Cygnus,
>>>>>> (267) 793-0852 | headlong into mystery." -Rush, 'Cygnus X-1'
>>>>>
>>>>>
>>>>>
>>>>
>>>> --
>>>> Pavel^3 Vomacka
>>>>
>>>
>>>
>>>
>>> --
>>> Steve Huston - W2SRH - Unix Sysadmin, PICSciE/CSES & Astrophysical Sci
>>> Princeton University | ICBM Address: 40.346344 -74.652242
>>> 345 Lewis Library |"On my ship, the Rocinante, wheeling through
>>> Princeton, NJ 08544 | the galaxies; headed for the heart of Cygnus,
>>> (267) 793-0852 | headlong into mystery." -Rush, 'Cygnus X-1'
>>
>>
>>
>> --
>> Steve Huston - W2SRH - Unix Sysadmin, PICSciE/CSES & Astrophysical Sci
>> Princeton University | ICBM Address: 40.346344 -74.652242
>> 345 Lewis Library |"On my ship, the Rocinante, wheeling through
>> Princeton, NJ 08544 | the galaxies; headed for the heart of Cygnus,
>> (267) 793-0852 | headlong into mystery." -Rush, 'Cygnus X-1'
>
>
>
> --
> Steve Huston - W2SRH - Unix Sysadmin, PICSciE/CSES & Astrophysical Sci
> Princeton University | ICBM Address: 40.346344 -74.652242
> 345 Lewis Library |"On my ship, the Rocinante, wheeling through
> Princeton, NJ 08544 | the galaxies; headed for the heart of Cygnus,
> (267) 793-0852 | headlong into mystery." -Rush, 'Cygnus X-1'
--
Steve Huston - W2SRH - Unix Sysadmin, PICSciE/CSES & Astrophysical Sci
Princeton University | ICBM Address: 40.346344 -74.652242
345 Lewis Library |"On my ship, the Rocinante, wheeling through
Princeton, NJ 08544 | the galaxies; headed for the heart of Cygnus,
(267) 793-0852 | headlong into mystery." -Rush, 'Cygnus X-1'
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