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Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-cloudstack

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Pranav Saxena 2012-08-16 21:27:53 +05:30
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31
docs/en-US/hypervisor-host-install-flow.xml Normal file
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<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
%BOOK_ENTITIES;
]>
<!-- Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
<section id="hypervisor-host-install-flow">
<title>Hypervisor Host installation</title>
<xi:include href="hypervisor-host-install-overview.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
<xi:include href="hypervisor-host-install-prepare-os.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
<xi:include href="hypervisor-host-install-libvirt.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
<xi:include href="hypervisor-host-install-security-policies.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
</section>

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<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
%BOOK_ENTITIES;
]>
<!-- Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
<section id="hypervisor-host-install-libvirt">
<title>Install and Configure libvirt</title>
<para>&PRODUCT; uses libvirt for managing virtual machines. Therefor it is vital that libvirt is configured correctly.</para>
<orderedlist>
<listitem>
<para>Install libvirt</para>
<para>On RHEL or CentOS:</para>
<programlisting># yum install libvirt</programlisting>
<para>On Ubuntu:</para>
<programlisting># apt-get install libvirt-bin</programlisting>
</listitem>
<listitem>
<para>In order to have live migration working libvirt has to listen for unsecured TCP connections.</para>
<programlisting># vi /etc/libvirt/libvirtd.conf</programlisting>
<para>Set the following paramaters:</para>
<programlisting>listen_tls = 0</programlisting>
<programlisting>listen_tcp = 1</programlisting>
<programlisting>tcp_port = 16059</programlisting>
<programlisting>auth_tcp none</programlisting>
</listitem>
<listitem>
<para>In order to have libvirt listening on TCP we have to change the execution arguments.</para>
<para>On RHEL or CentOS:</para>
<programlisting># vi /etc/sysconfig/libvirtd</programlisting>
<para>Uncomment the following line:</para>
<programlisting>#LIBVIRTD_ARGS="--listen"</programlisting>
<para>On Ubuntu:</para>
<programlisting># vi /etc/init/libvirt-bin.conf</programlisting>
<para>Change the following line:</para>
<programlisting>exec /usr/sbin/libvirtd -d</programlisting>
<para>to (just add -l)</para>
<programlisting>exec /usr/sbin/libvirtd -d -l</programlisting>
</listitem>
</orderedlist>
</section>

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docs/en-US/hypervisor-host-install-overview.xml Normal file
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<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
%BOOK_ENTITIES;
]>
<!-- Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
<section id="hypervisor-host-install-overview">
<title>Hypervisor Host Installation Overview</title>
<para>This section describes installing a Hypervisor host. This is targeted towards hosts running Linux Kernel Virtual Machine (KVM)</para>
<warning><para>Before continuing, make sure that you have applied the latest updates to your host.</para></warning>
<para>The procedure for installing the Hypervisor Host is:</para>
<orderedlist>
<listitem><para>Prepare the Operating System</para></listitem>
<listitem><para>Install and configure libvirt</para></listitem>
<listitem><para>Configure Security Policies (AppArmor and SELinux)</para></listitem>
<listitem><para>Install and configure the Agent</para></listitem>
</orderedlist>
</section>

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docs/en-US/hypervisor-host-install-prepare-os.xml Normal file
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<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
%BOOK_ENTITIES;
]>
<!-- Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
<section id="hypervisor-host-install-prepare-os">
<title>Prepare the Operating System</title>
<para>The OS of the Host must be prepared to host the &PRODUCT; Agent and run KVM instances.</para>
<orderedlist>
<listitem><para>Log in to your OS as root.</para></listitem>
<listitem>
<para>Check for a fully qualified hostname.</para>
<programlisting># hostname --fqdn</programlisting>
<para>This should return a fully qualified hostname such as "kvm1.lab.example.org". If it does not, edit /etc/hosts so that it does.</para>
</listitem>
<listitem>
<para>Make sure that the machine can reach the Internet.</para>
<programlisting># ping www.cloudstack.org</programlisting>
</listitem>
<listitem>
<para>Turn on NTP for time synchronization.</para>
<note><para>NTP is required to synchronize the clocks of the servers in your cloud.</para></note>
<orderedlist numeration="loweralpha">
<listitem><para>Install NTP</para>
<para condition="community">On RHEL or CentOS:</para>
<programlisting># yum install ntp</programlisting>
<para condition="community">On Ubuntu:</para>
<programlisting condition="community"># apt-get install openntpd</programlisting>
</listitem>
</orderedlist>
</listitem>
<listitem><para>Repeat all of these steps on every hypervisor host.</para></listitem>
</orderedlist>
</section>

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docs/en-US/hypervisor-host-install-security-policies.xml Normal file
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<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
%BOOK_ENTITIES;
]>
<!-- Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
<section id="hypervisor-host-install-security-policies">
<title>Configure the Security Policies</title>
<orderedlist>
<listitem>
<para>Configure SELinux (RHEL and CentOS)</para>
<orderedlist numeration="loweralpha">
<listitem>
<para>Check to see whether SELinux is installed on your machine. If not, you can skip this section.</para>
<para>In RHEL or CentOS, SELinux is installed and enabled by default. You can verify this with:</para>
<programlisting># rpm -qa | grep selinux</programlisting>
</listitem>
<listitem>
<para>Set the SELINUX variable in /etc/selinux/config to "permissive". This ensures that the permissive setting will be maintained after a system reboot.</para>
<para>In RHEL or CentOS:</para>
<programlisting># vi /etc/selinux/config</programlisting>
<para>Change the following line</para>
<programlisting>SELINUX=enforcing</programlisting>
<para>to this</para>
<programlisting>SELINUX=permissive</programlisting>
</listitem>
<listitem>
<para>Then set SELinux to permissive starting immediately, without requiring a system reboot.</para>
<programlisting># setenforce permissive</programlisting>
</listitem>
</orderedlist>
</listitem>
<listitem>
<para>Configure Apparmor (Ubuntu)</para>
<orderedlist numeration="loweralpha">
<listitem>
<para>Check to see whether AppArmor is installed on your machine. If not, you can skip this section.</para>
<para>In Ubuntu AppArmor is installed and enabled by default. You can verify this with:</para>
<programlisting># dpkg --list 'apparmor'</programlisting>
</listitem>
<listitem>
<para>Disable the AppArmor profiles for libvirt</para>
<programlisting>ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/</programlisting>
<programlisting>ln -s /etc/apparmor.d/usr.lib.libvirt.virt-aa-helper /etc/apparmor.d/disable/</programlisting>
<programlisting>apparmor_parser -R /etc/apparmor.d/usr.sbin.libvirtd</programlisting>
<programlisting>apparmor_parser -R /etc/apparmor.d/usr.lib.libvirt.virt-aa-helper</programlisting>
</listitem>
</orderedlist>
</listitem>
</orderedlist>
</section>

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docs/en-US/installation.xml
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<xi:include href="who-should-read-installation.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<xi:include href="installation-steps-overview.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<xi:include href="minimum-system-requirements.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<xi:include href="management-server-install-flow.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<xi:include href="management-server-install-flow.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<xi:include href="hypervisor-host-install-flow.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
</chapter>

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docs/en-US/minimum-system-requirements.xml
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</listitem>
<listitem><para>64-bit x86 CPU (more cores results in better performance)</para></listitem>
<listitem><para>4 GB of memory</para></listitem>
<listitem><para>250 GB of local disk (more results in better capability; 500 GB recommended)</para></listitem>
<listitem><para>50 GB of local disk (When running secondary storage on the management server 500GB is recommended)</para></listitem>
<listitem><para>At least 1 NIC</para></listitem>
<listitem><para>Statically allocated IP address</para></listitem>
<listitem><para>Fully qualified domain name as returned by the hostname command</para></listitem>
@ -78,8 +78,8 @@
</itemizedlist>
<para>The main requirement for KVM hypervisors is the libvirt and Qemu version. If you whish to run on a different distribution, make sure you meet the following requirements:</para>
<itemizedlist>
<listitem><para>libvirt: 0.9.4 and higher</para></listitem>
<listitem><para>Qemu/KVM: 1.0 and higher</para></listitem>
<listitem><para>libvirt: 0.9.4 or higher</para></listitem>
<listitem><para>Qemu/KVM: 1.0 or higher</para></listitem>
</itemizedlist>
</section>
<section id="hypervisor-requirements-ovm">