The easiest way to configure a Red Hat Cluster is via luci (and ricci), especially for a RHEL Cluster noob like me. I couldn't argue with that statement. It is easier, although I would love to go a little deeper and understand the command line equivalents of the web based configurations done. So I got to install luci after configuring ricci.
To initialize the luci configuration, I ran this command:
[root@vhost ~]# /usr/bin/paster make-config luci /var/lib/luci/etc/luci.ini --no-default-sysconfig --no-install
However, the result was not as expected. And a configuration file was not created. The errors are below:
[root@vhost ~]# /usr/bin/paster make-config luci /var/lib/luci/etc/luci.ini --no-default-sysconfig --no-install Distribution already installed: luci 0.26.0 from /usr/lib/python2.6/site-packages Traceback (most recent call last): File "/usr/bin/paster", line 9, inload_entry_point('PasteScript==1.7.3', 'console_scripts', 'paster')() File "/usr/lib/python2.6/site-packages/paste/script/command.py", line 84, in run invoke(command, command_name, options, args[1:]) File "/usr/lib/python2.6/site-packages/paste/script/command.py", line 123, in invoke exit_code = runner.run(args) File "/usr/lib/python2.6/site-packages/paste/script/appinstall.py", line 68, in run return super(AbstractInstallCommand, self).run(new_args) File "/usr/lib/python2.6/site-packages/paste/script/command.py", line 218, in run result = self.command() File "/usr/lib/python2.6/site-packages/paste/script/appinstall.py", line 295, in command self.distro, self.options.ep_group, self.options.ep_name) File "/usr/lib/python2.6/site-packages/paste/script/appinstall.py", line 234, in get_installer 'paste.app_install', ep_name) File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 2229, in load_entry_point return ep.load() File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 1947, in load if require: self.require(env, installer) File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 1960, in require working_set.resolve(self.dist.requires(self.extras),env,installer)) File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 550, in resolve raise VersionConflict(dist,req) # XXX put more info here pkg_resources.VersionConflict: (WebOb 0.9.6.1 (/usr/lib/python2.6/site-packages), Requirement.parse('WebOb>=0.9.7'))
The "python-webob-0.9.6.1-3.el6.noarch" RPM was properly installed but it looks like the package it is looking for is versions higher. As checked, the python-webob package available is already installed.
I also tried several versions of python-webob packages from several known repositories. Only to fail with the same errors above.
It turns out the "python-repoze-who-friendlyform.noarch" package is in conflict with other repositories. When installing luci, install from the base repository only. Disable EPEL and other enabled repositories.
[root@vhost ~]# yum -y install luci Loaded plugins: fastestmirror, security Loading mirror speeds from cached hostfile Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package luci.i686 0:0.26.0-37.el6.centos will be installed --> Processing Dependency: python-repoze-who-friendlyform for package: luci-0.26.0-37.el6.centos.i686 --> Running transaction check ---> Package python-repoze-who-friendlyform.noarch 0:1.0-0.3.b3.el6 will be installed --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================ Package Arch Version Repository Size ============================================================================================================ Installing: luci i686 0.26.0-37.el6.centos base 553 k Installing for dependencies: python-repoze-who-friendlyform noarch 1.0-0.3.b3.el6 base 13 k Transaction Summary ============================================================================================================ Install 2 Package(s) Total download size: 566 k Installed size: 2.2 M Downloading Packages: (1/2): luci-0.26.0-37.el6.centos.i686.rpm | 553 kB 00:00 ... (2/2): python-repoze-who-friendlyform-1.0-0.3.b3.el6.noarch.rpm | 13 kB 00:00 ... ------------------------------------------------------------------------------------------------------------ Total 4.9 MB/s | 566 kB 00:00 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : python-repoze-who-friendlyform-1.0-0.3.b3. [ ] 1/2 Installing : python-repoze-who-friendlyform-1.0-0.3.b3. [## ] 1/2 ... Installing : python-repoze-who-friendlyform-1.0-0.3.b3. [########################################## ] 1/2 Installing : python-repoze-who-friendlyform-1.0-0.3.b3.el6.noarch 1/2 Installing : luci-0.26.0-37.el6.centos.i686 [ ] 2/2 Installing : luci-0.26.0-37.el6.centos.i686 [# ] 2/2 ... Installing : luci-0.26.0-37.el6.centos.i686 [###################################################### ] 2/2 Installing : luci-0.26.0-37.el6.centos.i686 2/2 Verifying : luci-0.26.0-37.el6.centos.i686 1/2 Verifying : python-repoze-who-friendlyform-1.0-0.3.b3.el6.noarch 2/2 Installed: luci.i686 0:0.26.0-37.el6.centos Dependency Installed: python-repoze-who-friendlyform.noarch 0:1.0-0.3.b3.el6 Complete! [root@vhost ~]# /usr/bin/paster make-config luci /var/lib/luci/etc/luci.ini --no-default-sysconfig --no-install Distribution already installed: luci 0.26.0 from /usr/lib/python2.6/site-packages /usr/lib/python2.6/site-packages/tw/core/view.py:223: DeprecationWarning: object.__new__() takes no parameters obj = object.__new__(cls, *args, **kw) Creating /var/lib/luci/etc/luci.ini Now you should edit the config files /var/lib/luci/etc/luci.ini [root@vhost ~]# service luci start Adding following auto-detected host IDs (IP addresses/domain names), corresponding to `host.localdomain' address, to the configuration of self-managed certificate `/var/lib/luci/etc/cacert.config' (you can change them by editing `/var/lib/luci/etc/cacert.config', removing the generated certificate `/var/lib/luci/certs/host.pem' and restarting luci): (none suitable found, you can still do it manually as mentioned above) Generating a 2048 bit RSA private key writing new private key to '/var/lib/luci/certs/host.pem' [ OK ] Start luci... Point your web browser to https://host.localdomain:8084 (or equivalent) to access luci
So after reinstalling the luci package from the base repo (from the ISO itself), I was able to successfully initialize luci and continue with the cluster configuration.
