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RE: [Zope-dev] Squid Proxy VS LVS+Apache+ZEO
by sean.upton＠uniontrib.com 05 Mar '02

05 Mar '02

I would suggest moving this to zope(a)zope.org, which I've cc'd. I would strongly suggest using Squid as an alternative to both Apache and LVS and kill two birds with one stone here, allowing you to get caching and load-balancing a ZEO cluster with one tool. Squid will load-balance a cluster of ZEO clients by talking directly to ZServer on each of those boxes. With Toby Dickenson's ICP patch to Zope, you can have ZServer handle ICP requests, which will allow your ZEO clients to becomre part of the cache hierarchy for Squid. This means that Squid will truly load-balance your ZEO servers, in the same fashion LVS would... Squid replaces Apache, mod_proxy, LVS, and provides caching too! Personally, I'm of the opinion that every production install of Zope needs ZEO, not just for performance, but also for the convenience factor. You absolutely need ZEO, though, if you have high-traffic, and low ability to cache most of it (i.e. lots of dynamic content). Also, if you need SSL, use Squid 2.5 with OpenSSL to accelerate all your backend non-SSL servers, including ZServer, Apache, etc... Oh, and if you need Apache for non-Zope stuff, Squid will proxy that too. Sean -----Original Message----- From: Eric Roby [mailto:Eric.Roby@noaa.gov] Sent: Tuesday, March 05, 2002 6:59 AM To: zope-dev(a)zope.org Subject: [Zope-dev] Squid Proxy VS LVS+Apache+ZEO I apologize (in advance) if this is on the wrong list but some of the previous discussions regarding these topics have been done here. I have read much of the documentation on Squid, the zope.org cluster configuration, and many of the excellent How-To's out there. However, my particular case requires ssl for authentication to the ZMI. It appears that ssl is best accomplished with Squid, however we have to be able to provide many of the services that the zope.org cluster leverages with LVS. It appears that the Apache+mod_proxy+ZEO configuration provides much of the functionality that Squid+ZServer would provide, alone. I guess my biggest problem is determining whether it makes sense to use Squid in conjunction with ZEO (which we want to pursue) or re-build Apache with mod_ssl in the LVS+Apache+mod_proxy+ZEO setup?? If any one has been down this road I would greatly appreciate any insight that you might have. Thanks in advance... Eric _______________________________________________ Zope-Dev maillist - Zope-Dev(a)zope.org http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )

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RE: Cron with an external method
by Loren Stafford 05 Mar '02

05 Mar '02

Hello > > i use your product Xron. > > i add a scheduled method > i would like start an external method from your product, but it doesn't > work. > > This my code : > > <dtml-with "manage_addProduct['Xron']"> > <dtml-call expr="manage_addXronDTMLMethod( > 'Borne '+REMOTE_ADDR+'', > title='Décompte du temps de connexion', > executeAt = _.DateTime()+0.000695, > periodDays = 0.0, > file = 'MExt_Ecrire_IP_Borne(REMOTE_ADDR)', > )"> > </dtml-with> > > > Xron is create in my folder, but the external methode is not execute. Is the scheduled method added to the Schedule? Are it's parameters set correctly? Is there an entry in the STUPID_LOG_FILE? What does it say? Does it work when you use the View tab of the scheduled method? Does it work when you use the Trigger tab? > Is it possible to execute an external method since xron ? > Can you explain me how to do this ? It's possible. I need more diagnostic information from you to see why it's not working. The usual problem is insufficient permissions. Remember, the scheduled method runs as Anonymous User. You have to give it proxy roles if you want it to call any priviledged methods. -- Loren

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How to disallow distribution of ZClass products?
by Lars Heber 05 Mar '02

05 Mar '02

I tried it several times: Distributed a ZClass product via Distribution tab, checked the radio button "Disallow..." and deselected all items in the box below. Then I took this file either to another computer or the same, both don't have this product installed (any more). But, both times, at least changing methods and ZClasses, mostly also redistributing of the product is possible. BTW: The icon of my product is the CLOSED box! BTW2: When testing it on the same machine, icon stays CLOSED after deleting the product from lib/python/Products, restarting Zope and reimporting the formerly backupped product.zexp. Why that? It should be OPEN again, shouldn't it? Running Zope 2.3.0 on Win NT / Zope 2.4.1 on Linux respectively. Bug, feature or my mistake? Any suggestions are appreciated. Thanks. -- Lars Heber, mailto:Lars.Heber@t-systems.com T-Systems, debis Systemhaus GEI GmbH, Geschaeftsstelle Sachsen

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Re: [Zope] ZOPE,UNIX Installation help
by Doug McNaught 05 Mar '02

05 Mar '02

Julian Baker <CCX251(a)coventry.ac.uk> writes: > Hi all > > I'm having problems with installing Zope 2.5.0 src on a UNIX platform > (python 2.1) 2.5.0 requires Python 2.1.2. -Doug -- Let us cross over the river, and rest under the shade of the trees. --T. J. Jackson, 1863

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Re: Problems with absolute_url in my product
by Paul Tiemann 05 Mar '02

05 Mar '02

Good news! I solved the problem; it's amazing what one night of sleep can do for a problem. To make the absolute_url work I needed to inherit from OFS.SimpleItem.Item as well as from ObjectManager. After I added Item in the mix things automatically started working fine. _________________________________________________________________ Chat with friends online, try MSN Messenger: http://messenger.msn.com

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.htaccess like password in Zope?
by Preben Mikael Bohn 05 Mar '02

05 Mar '02

Hi all, I'm relatively new to Zope, so I hope this is not a FAQ. Is it possible to make some folders password protected like in Apaches .htaccess way? I do not want to let users *manage* content (as in a user folder), just to let them access the content as usual... Best regards Preben Bohn ===== Radioactive cats have 18 half-lives __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com

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Virtual Hosts with apache rewriterule module and siteroot
by Hervé Richard 05 Mar '02

05 Mar '02

Hi, Since a long time i try to install apache with 2 independant zope servers on the same machine (solaris 5.7) by using virtual hosting ans siteroot zope object, i scan hows-to and mail archives but i can't solve my pb : i want to have two zope servers on my sun: http://www.mysite.fr:9080 and http://www.another.org:6080 (virtual) in the second i create a folder "another" which contain a siteroot object : /another/siteroot base = http://www.another.org path = /another I want to use apache with *rewriterule module*, so i add some directives in my httpd.conf (see bottom) When i restart Apache and i try it (with netscape), to the request : http://www.mysite.fr i see the right web page http://www.another.org i see the apache server response : Proxy Error The proxy server could not handle the request GET/ Reason : Host not found When i try with the www.another.org zope server down, (i.e. like a classic directory) it's right: i see the welcome pages. I think that the matter come from my siteroot object please, have you any idea, experience ? Greats ------------------------------------------------------------- # piece of http.conf LoadModule proxy_module libexec/libproxy.so AddModule mod_proxy.c NameVirtualHost x.x.0.2 <VirtualHost x.x.0.2> ServerName www.mysite.fr ServerAdmin Herve.Richard(a)mysite.fr DocumentRoot /usr/local/apache/htdocs/www.mysite.fr RewriteEngine on RewriteLog logs/rewrite.log RewriteLogLevel 1 RewriteCond %{REQUEST_URI} !^/stcmysite/ RewriteCond %{HTTP:Authorization} ^(.*) RewriteRule ^(.*) http://www.mysite.fr:9080/$1 [P] ErrorLog logs/mysite_error.log CustomLog logs/mysite_access.log common <Directory "/usr/local/apache/cgi-bin"> AllowOverride None Options None Order allow,deny Allow from all </Directory> </VirtualHost> <VirtualHost x.x.0.2> ServerName www.another.org ServerAdmin hr(a)another.org DocumentRoot /usr/local/apache/htdocs/www.another.org ErrorLog logs/EuFireLab_error.log RewriteEngine on RewriteLog logs/rewrite.log RewriteLogLevel 1 RewriteCond %{REQUEST_URI} !^/stcanother/ RewriteCond %{HTTP:Authorization} ^(.*) RewriteRule ^/(.*) http://www.another.org:6080/another/$1 [P] </VirtualHost> -- _____________________________________________________________________________ Herve RICHARD Tel: 04 32 72 21 79 Herve.Richard(a)avignon.inra.fr INRA - Biometrie - AVIGNON Fax: 04 32 72 21 82 rv.richard(a)oreka.com _____________________________________________________________________________

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KeyError: aq_base
by Shriek＠gmx.co.uk 05 Mar '02

05 Mar '02

Have moved one of my sites over from Zope 2.1.6 to 2.4.3. Everything imported OK but viewing the site causes an error. What does the following mean ? Traceback (innermost last): File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 223, in publish_module File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 187, in publish File /usr/local/Zope-2.4.3/lib/python/Zope/__init__.py, line 226, in zpublisher_exception_hook (Object: CorporateInfo) File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 171, in publish File /usr/local/Zope-2.4.3/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: index_html) File /usr/local/Zope-2.4.3/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: index_html) File /usr/local/Zope-2.4.3/lib/python/OFS/DTMLMethod.py, line 199, in __call__ (Object: index_html) File /usr/local/Zope-2.4.3/lib/python/DocumentTemplate/DT_String.py, line 546, in __call__ (Object: index_html) File /usr/local/Zope-2.4.3/lib/python/OFS/DTMLMethod.py, line 192, in __call__ (Object: standard_html_header) File /usr/local/Zope-2.4.3/lib/python/DocumentTemplate/DT_String.py, line 546, in __call__ (Object: standard_html_header) File /usr/local/Zope-2.4.3/lib/python/DocumentTemplate/DT_Util.py, line 231, in eval (Object: REQUEST.has_key('lc')) (Info: REQUEST) File <string>, line 2, in f (Object: guarded_getattr) File /usr/local/Zope-2.4.3/lib/python/AccessControl/DTML.py, line 101, in guarded_getattr (Object: index_html) File /usr/local/Zope-2.4.3/lib/python/AccessControl/ZopeGuards.py, line 122, in guarded_getattr File /usr/local/Zope-2.4.3/lib/python/AccessControl/SecurityManager.py, line 149, in validate File /usr/local/Zope-2.4.3/lib/python/AccessControl/ZopeSecurityPolicy.py, line 119, in validate File /usr/local/Zope-2.4.3/lib/python/ZPublisher/HTTPRequest.py, line 897, in __getitem__ KeyError: aq_base -- GMX - Die Kommunikationsplattform im Internet. http://www.gmx.net

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using content_html to auto call content_html of a particular folder
by Hamzal Kamal 05 Mar '02

05 Mar '02

Hello Steve, I want visitors my site to see the content_html inside news folder as they typed my url into the address of their browsers, at the same time i did not want to include the name of the folder (news) in that my url. There4 i have to define the root content_html like this; <dtml-in "news.objectItems(['DTML Method'])"> <dtml-let content=id> <dtml-if expr="content=='content_html'"> <dtml-var expr="_.getitem(content,1)"> </dtml-if> </dtml-let> </dtml-in> And i defined the content_html inside the news folder as follows; <table> <tr> <td width=300> <dtml-in "objectItems(['Folder'])"> <dtml-var title> <dtml-try> <dtml-call "REQUEST.set('mm', ZopeTime().strftime('%d%m%y'))"> <dtml-var expr="_.getitem(mm,1)[0:500]"> <a href="&dtml-URL1;/&dtml-id;/"> More... </a><br> <dtml-except> </dtml-try> </dtml-in> </td> <td> <ul> <dtml-in "others.objectValues(['DTML Document'])" sort=title> <dtml-call "REQUEST.set('mm', ZopeTime().strftime('%d%m%y'))"> <dtml-call "REQUEST.set('today', id)"> <dtml-if expr="mm==today()[0:6]"> <li> <a href="&dtml-URL0;/&dtml-id;"> &dtml-title; </a> </li> </dtml-if> </dtml-in> </ul> </td> </tr> </table> Then my problem here is that when i run the content_html in the news folder it gives me the expected result i.e it displays the content in the table col 1 and table col2 accurately but when i run the content_html in the root it displayes only the content in the table col2 . Kindly help me out. Regards kamal ===== Hamzat kamaldeen Ishola Dnet Systems Limited 223 Ikorodu Road, Lagos. 234 1 7749381, 234 08033011305 __________________________________________________ Do You Yahoo!? Try FREE Yahoo! Mail - the world's greatest free email! http://mail.yahoo.com/

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Creating instances of products - finding id for them - example
by Heimo Laukkanen 05 Mar '02

05 Mar '02

Here is a small example how I create in one PythonScript new instances of products - and manage to get new ids for them. Ideas I got from discussions on zope-mailing list. Comments appreciated # # idtsrat = id which we are trying to crete, this is the base for new id # First we check wether the id exists, if it exists # If it exists we start to add a counting number after it and checking # wether that exists if hasattr(context, idstart): while hasattr(context, (idstart + str (start +1 ))): start = start + 1 id = idstart + str(start +1) else: id = idstart # # And then we try to create the instance. If it fails - for example # another thread created instance with same id. Add one to the id and # try again while 1: try: ****Create the instance here with id****; break; except: start= start + 1 id = idstart + str(start +1)

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