mirror of
				https://github.com/xcat2/xcat-core.git
				synced 2025-10-31 11:22:27 +00:00 
			
		
		
		
	| @@ -52,7 +52,7 @@ Change the Management Hostname | ||||
|  | ||||
|     hostname <new_MN_name> | ||||
|  | ||||
| * Edit hostname configuration file | ||||
| * Update the hostname configuration files: | ||||
|  | ||||
|   |  Add hostname in ``/etc/hostname`` | ||||
|   |  Add HOSTNAME attribute in ``/etc/sysconfig/network`` (only for [RHEL]) | ||||
| @@ -60,29 +60,29 @@ Change the Management Hostname | ||||
| Update Database Files | ||||
| --------------------- | ||||
|  | ||||
| You need to update the new MN hostname or IP address in several database | ||||
| configuration files. | ||||
| You need to update the new MN hostname or IP address in several database configuration files. | ||||
|  | ||||
| SQLite | ||||
| ^^^^^^ | ||||
|  | ||||
| Nothing to do. | ||||
|  | ||||
| Postgresql | ||||
| PostgreSQL | ||||
| ^^^^^^^^^^ | ||||
|  | ||||
| - Edit ``/etc/xcat/cfgloc`` file, replace ``Pg:dbname=xcatdb;host=<old_MN_ip>|xcatadm|xcat20`` | ||||
|   with ``Pg:dbname=xcatdb;host=<new_MN_ip>|xcatadm|xcat20``. | ||||
| - Edit ``/etc/xcat/cfgloc`` file...  | ||||
|  | ||||
| - Edit config database config file ``/var/lib/pgsql/data/pg_hba.conf``, | ||||
|   replace ``host    all          all        <old_MN_ip>/32      md5`` | ||||
|   with ``host    all          all        <new_MN_ip>/32      md5``. | ||||
|    Replace ``Pg:dbname=xcatdb;host=<old_MN_ip>|xcatadm|xcat20`` with ``Pg:dbname=xcatdb;host=<new_MN_ip>|xcatadm|xcat20``. | ||||
|  | ||||
| Mysql | ||||
| - Edit config database config file ``/var/lib/pgsql/data/pg_hba.conf``... | ||||
|  | ||||
|   Replace ``host    all          all        <old_MN_ip>/32      md5`` with ``host    all          all        <new_MN_ip>/32      md5`` | ||||
|  | ||||
| MySQL | ||||
| ^^^^^ | ||||
|  | ||||
| Edit ``/etc/xcat/cfglooc``, replace ``mysql:dbname=xcatdb;host=<old_MN_ip>|xcatadmin|xcat20`` | ||||
| with ``mysql:dbname=xcatdb;host=<new_MN_ip>|xcatadmin|xcat20``. | ||||
| - Edit ``/etc/xcat/cfglooc``...  | ||||
|     Replace ``mysql:dbname=xcatdb;host=<old_MN_ip>|xcatadmin|xcat20`` with ``mysql:dbname=xcatdb;host=<new_MN_ip>|xcatadmin|xcat20`` | ||||
|  | ||||
| Start the database | ||||
| ------------------ | ||||
| @@ -116,12 +116,12 @@ Change the site table master attribute | ||||
| Change all IP address attribute relevant to the MN IP address | ||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ||||
|  | ||||
| For example, old address was "10.6.0.1" | ||||
| For example, the old IP address was "10.6.0.1" | ||||
|  | ||||
| * Query the attributes with old address :: | ||||
| * Query all the attributes with old address :: | ||||
|  | ||||
|     lsdef -t node -l | grep "10.6.0.1" | ||||
|     # the output may looks like | ||||
|       ... | ||||
|       conserver=10.6.0.1 | ||||
|       conserver=10.6.0.1 | ||||
|       conserver=10.6.0.1 | ||||
| @@ -138,26 +138,23 @@ For example, old address was "10.6.0.1" | ||||
|       servicenode=10.6.0.1 | ||||
|       xcatmaster=10.6.0.1 | ||||
|  | ||||
| * As the attribute with the old IP address is list above, take conserver as | ||||
|   a example, query the nodes with ``conserver=10.6.0.1``. | ||||
|  | ||||
|   :: | ||||
| * Looking at the list above, taking ``conserver`` as an example, query the nodes with ``conserver=10.6.0.1``: :: | ||||
|  | ||||
|     lsdef -t node -w conserver="10.6.0.1" | ||||
|     # the output looks like | ||||
|       ... | ||||
|       cn1  (node) | ||||
|       cn2  (node) | ||||
|       cn3  (node) | ||||
|       cn4  (node) | ||||
|  | ||||
| * Change the conserver address for cn1,cn2,cn3,cn4 :: | ||||
| * Change the conserver address for nodes ``cn1,cn2,cn3,cn4`` :: | ||||
|  | ||||
|     chdef -t node cn1-cn4 conserver=<new_ip_address> | ||||
|  | ||||
| Repeat the same process for the other attributes. | ||||
| * Repeat the same process for the other attributes containing the old IP address.  | ||||
|  | ||||
| Change networks table | ||||
| ^^^^^^^^^^^^^^^^^^^^^^ | ||||
| ^^^^^^^^^^^^^^^^^^^^^ | ||||
|  | ||||
| Check your networks table to see if the network definitions are still correct, | ||||
| if not edit accordingly :: | ||||
| @@ -166,7 +163,7 @@ if not edit accordingly :: | ||||
|   chdef -t network <key=value> | ||||
|  | ||||
| Check Result | ||||
| ^^^^^^^^^^^^^ | ||||
| ^^^^^^^^^^^^ | ||||
|  | ||||
| You can check whether all the old address has been changed using :: | ||||
|  | ||||
| @@ -174,25 +171,24 @@ You can check whether all the old address has been changed using :: | ||||
|   cd <new database backup path> | ||||
|   fgrep "10.6.0.1" *.csv | ||||
|  | ||||
| If the old address still exists in the ``*.csv` file, you can edit this file, | ||||
| then use the following command to restore the records :: | ||||
| If the old address still exists in the ``*.csv`` file, you can edit this file, then use the following command to restore the records :: | ||||
|  | ||||
|   tabrestore <xxx.csv> | ||||
|  | ||||
| Generate SSL credentials(optional) | ||||
| ---------------------------------- | ||||
|  | ||||
| If you do not generate new credentials, skip this section. | ||||
| If you decide generate new credentials, then you will use the following | ||||
| command. | ||||
| Use the following command to generate new SSL credentials: ``xcatconfig -c``.  | ||||
|  | ||||
| * Generate new credentials :: | ||||
| Then update the following in xCAT: | ||||
|  | ||||
|     xcatconfig -c | ||||
| * Update the policy table with new management node name and replace: :: | ||||
|  | ||||
| * Update the policy table with new MN name, | ||||
|   replace ``"1.4","old_MN_name",,,,,,"trusted",,`` with | ||||
|   ``"1.4","new_MN_name",,,,,,"trusted",,`` | ||||
|      "1.4","old_MN_name",,,,,,"trusted",, | ||||
|  | ||||
|   with: :: | ||||
|  | ||||
|      "1.4","new_MN_name",,,,,,"trusted",,`` | ||||
|  | ||||
| * Setup up conserver with new credentials :: | ||||
|  | ||||
|   | ||||
| @@ -36,11 +36,7 @@ Database Connection Changes | ||||
|  | ||||
| Granting or revoking access privilege in the database for the service node. | ||||
|  | ||||
| * For mysql, refer to :ref:`grante_revoke_mysql_access_label`. | ||||
| .. There is no procedure in old document on sourceforge for postgress to | ||||
|    grant or revoke the access privilege for service node. | ||||
|  | ||||
| * For postgress, refer to `TODO <https://localhost/todo>`_. | ||||
| * For MySQL, refer to :ref:`grante_revoke_mysql_access_label`. | ||||
|  | ||||
| Update Provision Environment on Service Node | ||||
| -------------------------------------------- | ||||
|   | ||||
| @@ -56,7 +56,7 @@ The configuration procedure will be quite different based on the shared data mec | ||||
|     /<dbdirectory>  | ||||
|  | ||||
|  | ||||
| ``Note``:For mysql, the database directory is ``/var/lib/mysql``; for postgresql, the database directory is ``/var/lib/pgsql``; for DB2, the database directory is specified with the site attribute databaseloc; for sqlite, the database directory is /etc/xcat, already listed above.  | ||||
| ``Note``:For MySQL, the database directory is ``/var/lib/mysql``; for PostGreSQL, the database directory is ``/var/lib/pgsql``; for DB2, the database directory is specified with the site attribute databaseloc; for sqlite, the database directory is /etc/xcat, already listed above.  | ||||
|  | ||||
| Here is an example of how to make directories be shared data through NFS: :: | ||||
|  | ||||
| @@ -125,7 +125,7 @@ Setup xCAT on the Primary Management Node | ||||
|     service dhcpd stop | ||||
|     chkconfig --level 2345 dhcpd off | ||||
|  | ||||
| #. Stop Database and prevent the database from auto starting at boot time, use mysql as an example: :: | ||||
| #. Stop Database and prevent the database from auto starting at boot time, use MySQL as an example: :: | ||||
|  | ||||
|     service mysqld stop | ||||
|     chkconfig mysqld off | ||||
| @@ -180,7 +180,7 @@ Setup xCAT on the Standby Management Node | ||||
|     service dhcpd stop | ||||
|     chkconfig --level 2345 dhcpd off | ||||
|  | ||||
| #. Stop Database and prevent the database from auto starting at boot time. Use mysql as an example: :: | ||||
| #. Stop Database and prevent the database from auto starting at boot time. Use MySQL as an example: :: | ||||
|  | ||||
|     service mysqld stop | ||||
|     chkconfig mysqld off | ||||
| @@ -303,7 +303,7 @@ If the management node is still available and running the cluster, perform the f | ||||
|  | ||||
| #. Stop database | ||||
|  | ||||
|    Use mysql as an example: :: | ||||
|    Use MySQL as an example: :: | ||||
|  | ||||
|     service mysqld stop | ||||
|  | ||||
| @@ -346,7 +346,7 @@ On the new primary management node: | ||||
|     mount /.xcat | ||||
|     mount /db2database | ||||
|  | ||||
| #. Start database, use mysql as an example: :: | ||||
| #. Start database, use MySQL as an example: :: | ||||
|  | ||||
|     service mysql start | ||||
|  | ||||
|   | ||||
| @@ -8,34 +8,28 @@ Pre-requirement | ||||
|  | ||||
| In order to do switch-based switch discovery, the admin  | ||||
|  | ||||
| 1.  Needs to manually setup and configure core-switch, SNMP v3 needs to be enabled in order for xCAT access to it. **username** and **userpassword** attributes are for the remote login. It can be for **ssh** or **telnet**. If it is for **telnet**, set protocol to “telnet”. If the **username** is blank, the **username** and **password** will be retrieved from the passwd table with “switch” as the key. SNMP attributes will used for SNMPv3 communication.  **nodetype** has to be set to "switch" to differentiate between switch-based node discovery or switch-based switch discovery. Refer to switches table attributes.  Example of core-switch definition:    | ||||
| 1.  Needs to manually setup and configure core-switch, SNMP v3 needs to be enabled in order for xCAT access to it. **username** and **userpassword** attributes are for the remote login. It can be for **ssh** or **telnet**. If it is for **telnet**, set protocol to “telnet”. If the **username** is blank, the **username** and **password** will be retrieved from the passwd table with “switch” as the key. SNMP attributes will used for SNMPv3 communication.  **nodetype** has to be set to "switch" to differentiate between switch-based node discovery or switch-based switch discovery. Refer to switches table attributes.  Example of core-switch definition:  :: | ||||
|  | ||||
| :: | ||||
|       lsdef switch-10-5-23-1 | ||||
|         Object name: switch-10-5-23-1 | ||||
|         groups=switch | ||||
|         ip=10.5.23.1 | ||||
|         mac=ab:cd:ef:gh:dc | ||||
|         mgt=switch | ||||
|         nodetype=switch | ||||
|         password=admin | ||||
|         postbootscripts=otherpkgs | ||||
|         postscripts=syslog,remoteshell,syncfiles | ||||
|         protocol=telnet | ||||
|         snmpauth=sha | ||||
|         snmppassword=userpassword | ||||
|         snmpusername=snmpadmin | ||||
|         snmpversion=3 | ||||
|         switchtype=BNT | ||||
|         usercomment=IBM | ||||
|         username=root | ||||
|  | ||||
|     lsdef switch-10-5-23-1 | ||||
|       Object name: switch-10-5-23-1 | ||||
|       groups=switch | ||||
|       ip=10.5.23.1 | ||||
|       mac=ab:cd:ef:gh:dc | ||||
|       mgt=switch | ||||
|       nodetype=switch | ||||
|       password=admin | ||||
|       postbootscripts=otherpkgs | ||||
|       postscripts=syslog,remoteshell,syncfiles | ||||
|       protocol=telnet | ||||
|       snmpauth=sha | ||||
|       snmppassword=userpassword | ||||
|       snmpusername=snmpadmin | ||||
|       snmpversion=3 | ||||
|       switchtype=BNT | ||||
|       usercomment=IBM | ||||
|       username=root | ||||
|  | ||||
|  | ||||
|  | ||||
| 2. Predefine all top-rack switches which connect to core-switch.  The attribute **ip** is static ip address for the switch.  When ``switchdiscover --setup`` command is issued, this ip address will replace dhcp IP address on the switch. **nodetype=switch** needs to be set to differentiate between switch-based node discovery or switch-based switch discovery during discovery process.  the attribute **switch** is hostname of core-switch and **switchport** is the port number in the core-switch that top-rack switch is connected to.     | ||||
|  | ||||
| :: | ||||
| 2. Predefine all top-rack switches which connect to core-switch.  The attribute **ip** is static IP address for the switch.  When ``switchdiscover --setup`` command is issued, this IP address will replace dhcp IP address on the switch. **nodetype=switch** needs to be set to differentiate between switch-based node discovery or switch-based switch discovery during discovery process.  the attribute **switch** is hostname of core-switch and **switchport** is the port number in the core-switch that top-rack switch is connected to.  :: | ||||
|  | ||||
|     lsdef switch-192-168-5-22 | ||||
|       objtype=node | ||||
| @@ -50,13 +44,13 @@ In order to do switch-based switch discovery, the admin | ||||
|  | ||||
| 3.  Add switches to /etc/hosts for hostname lookup and xdsh command.  :: | ||||
|  | ||||
|     makehosts switch-192-168-5-23 | ||||
|     makehosts switch-192-168-5-22 | ||||
|        makehosts switch-192-168-5-23 | ||||
|        makehosts switch-192-168-5-22 | ||||
|  | ||||
|  | ||||
| 4.  Setup Dynamic IP range in network table for discovered switches to use. :: | ||||
|  | ||||
|      # tabdump networks | ||||
|       # tabdump networks | ||||
|       #netname,net,mask,mgtifname,gateway,dhcpserver,tftpserver,nameservers,ntpservers,logservers,dynamicrange,staticrange,staticrangeincrement,nodehostname,ddnsdomain,vlanid,domain,mtu,comments,disable | ||||
|       "192_168_0_0-255_255_0_0","192.168.0.0","255.255.0.0","enP4p1s0f2","<xcatmaster>",,"192.168.3.29",,,,"192.168.5.150-192.168.5.170",,,,,,,,, | ||||
|  | ||||
| @@ -67,7 +61,7 @@ dhcp should be restarted after seting up dynamic IP range. | ||||
| Discover Switches | ||||
| ~~~~~~~~~~~~~~~~~ | ||||
|  | ||||
| xCAT supports **switchdiscover** command to discover the switches that are attached to the subnets on xCAT management node.  Refer to http://xcat-docs.readthedocs.io/en/latest/advanced/networks/switchdiscover/switches_discovery.html for more info.   | ||||
| xCAT supports **switchdiscover** command to discover the switches that are attached to the subnets on xCAT management node.  Refer to :doc:`/advanced/networks/switchdiscover/switches_discovery` for more info. | ||||
|  | ||||
| For the switch-based switch discovery, we add **–setup** flag:  :: | ||||
|  | ||||
| @@ -125,13 +119,11 @@ if **--setup** flag is specified, the command will perform following steps: | ||||
| Configure switches | ||||
| ~~~~~~~~~~~~~~~~~~ | ||||
|  | ||||
| The **switchdiscover** command with ``--setup`` flag will set up switches with static ip address, change the hostname from predefine switches and enable snmpv3 configuration.  For other switches configuration, Refer to http://xcat-docs.readthedocs.io/en/latest/advanced/networks/ethernet_switches/ethernet_switches.html and http://xcat-docs.readthedocs.io/en/latest/advanced/networks/infiniband/switch_configuration.html | ||||
| The **switchdiscover** command with ``--setup`` flag will set up switches with static IP address, change the hostname from predefine switches and enable snmpv3 configuration.  For other switches configuration, refer to :doc:`/advanced/networks/ethernet_switches/ethernet_switches` and :doc:`/advanced/networks/infiniband/switch_configuration`.  | ||||
|  | ||||
| These two config files are located in the **/opt/xcat/share/xcat/scripts**.  The **switchdiscover** process will call the config files with ``--all`` option.  User can call these scripts to setup one of options manually.  | ||||
| These two config files are located in the **/opt/xcat/share/xcat/scripts** directory.  The **switchdiscover** process will call the config files with ``--all`` option.  User can call these scripts to setup one of options manually.  | ||||
|  | ||||
| 1.  **configBNT** is for configure BNT switches.  | ||||
|  | ||||
| :: | ||||
| 1.  **configBNT** is for configure BNT switches.  :: | ||||
|  | ||||
|      ./configBNT --help | ||||
|      Usage: | ||||
| @@ -142,21 +134,22 @@ These two config files are located in the **/opt/xcat/share/xcat/scripts**.  The | ||||
|        configBNT [--switches switchnames] [--snmp] [--user snmp_user] [--password snmp_password] [--group snmp_group] | ||||
|        configBNT [--switches switchnames] [--port port] [--vlan vlan] | ||||
|  | ||||
| 2.   **configMellanox** is for configuring Mellanox switch.   The script will configure ntp service on the switch with xCAT MN  and will use rspconfig command to | ||||
|     * enable ssh | ||||
|     * enable snmp function on the switch | ||||
|     * enable the snmp trap | ||||
|     * set logging destination to xCAT MN | ||||
| 2.   **configMellanox** is for configuring Mellanox switch.  The script will configure ntp service on the switch with xCAT MN  and will use rspconfig command to | ||||
|  | ||||
| :: | ||||
|        * enable ssh | ||||
|        * enable snmp function on the switch | ||||
|        * enable the snmp trap | ||||
|        * set logging destination to xCAT MN | ||||
|  | ||||
|     ./configMellanox --help | ||||
|     Usage: | ||||
|         configMellonax [-?│-h│--help] | ||||
|         configMellonax [--switches switchnames] [--all] | ||||
|         configMellonax [--switches switchnames] [--ip] | ||||
|         configMellonax [--switches switchnames] [--name] | ||||
|         configMellonax [--switches switchnames] [--config] | ||||
|     :: | ||||
|   | ||||
|       ./configMellanox --help | ||||
|       Usage: | ||||
|           configMellonax [-?│-h│--help] | ||||
|           configMellonax [--switches switchnames] [--all] | ||||
|           configMellonax [--switches switchnames] [--ip] | ||||
|           configMellonax [--switches switchnames] [--name] | ||||
|           configMellonax [--switches switchnames] [--config] | ||||
|  | ||||
|  | ||||
| Switch Status | ||||
| @@ -166,7 +159,7 @@ During the switch-based switch discovery process, there are four states displaye | ||||
|  | ||||
| **Matched** --- Discovered switch is matched to predefine switch, **otherinterfaces** attribute is updated to dhcp IP address, and mac address, **switch type** and **usercomment** also updated with vendor information for the predefined switch. | ||||
|  | ||||
| **ip_configed** --- switch is set up to static ip address based on predefine switch IP address.  If failure to set up IP address, the status will stay as **Matched**. | ||||
| **ip_configed** --- switch is set up to static IP address based on predefine switch IP address.  If failure to set up IP address, the status will stay as **Matched**. | ||||
|  | ||||
| **hostname_configed** -- switch host name is changed based on predefine switch hostname. If failure to change hostname on the switch, the status will stay as **ip_configed**. | ||||
|  | ||||
|   | ||||
| @@ -32,5 +32,8 @@ Compute nodes can access the internet | ||||
| Compute nodes can not access the internet | ||||
| ------------------------------------------ | ||||
|  | ||||
| If compute nodes cannot access the internet, there are two ways to install additional packages:use apt proxy or use local mirror according to :ref:`ubuntu-install-non-internet` | ||||
| If compute nodes cannot access the internet, there are two ways to install additional packages | ||||
|  | ||||
|    * use apt proxy  | ||||
|    * use local mirror  | ||||
|  | ||||
|   | ||||
| @@ -69,7 +69,7 @@ In order to describe the hierarchy scenarios we can use , ``P`` to denote parent | ||||
| +--------------+-----------------------------------------------------+-------------------------------------------------+ | ||||
| | P: link C:   | "ALL","/root/testlinkpers/","link",,                | Both parent and child are created in tmpfs      | | ||||
| | link,        | "ALL","/root/testlink/testlinkchild",,              | on the booted node following their respective   | | ||||
| | persistent   |                "link,persistent"                    | options; there's only one symbolic link of      | | ||||
| | persistent   | "link,persistent"                                   | options; there's only one symbolic link of      | | ||||
| |              |                                                     | the parent is created in the local file system. | | ||||
| +--------------+-----------------------------------------------------+-------------------------------------------------+ | ||||
| | P:link,      | "ALL","/root/testlinkpers/","link,persistent",,     | NOT permitted                                   | | ||||
|   | ||||
							
								
								
									
										27
									
								
								docs/source/security/2017/20170126_openssl.rst
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										27
									
								
								docs/source/security/2017/20170126_openssl.rst
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,27 @@ | ||||
| 2017-01-27 - OpenSSL Vulnerabilities | ||||
| ==================================== | ||||
|  | ||||
| *Jan 26, 2017*, OpenSSL announced the following security advisories: https://www.openssl.org/news/secadv/20170126.txt | ||||
|  | ||||
|  | ||||
| Advisory CVEs | ||||
| ------------- | ||||
|  | ||||
| * CVE-2017-3731 - **Truncated packet could crash via OOB read** (Severity:Moderate) | ||||
|  | ||||
| * CVE-2017-3730 - **Bad (EC)DHE parameters cause a client crash** (Severity: Moderate) | ||||
|  | ||||
| * CVE-2017-3732 - **BN_mod_exp may produce incorrect results on x86_64** (Severity: Moderate) | ||||
|  | ||||
| * CVE-2016-7055 - **Montgomery multiplication may produce incorrect results** (Severity: Low) | ||||
|  | ||||
| Please see the security bulletin above for patch, upgrade, or suggested work around information. | ||||
|  | ||||
| Action | ||||
| ------ | ||||
|  | ||||
| xCAT uses OpenSSL for client-server communication but **does not** ship it.   | ||||
|  | ||||
| It is highly recommended to keep your OpenSSL levels up-to-date with the indicated versions in the security bulletins to prevent any potential security threats. Obtain the updated software packages from your Operating system distribution channels.  | ||||
|  | ||||
|  | ||||
							
								
								
									
										7
									
								
								docs/source/security/2017/index.rst
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										7
									
								
								docs/source/security/2017/index.rst
									
									
									
									
									
										Normal file
									
								
							| @@ -0,0 +1,7 @@ | ||||
| 2017 Notices  | ||||
| ============ | ||||
|  | ||||
| .. toctree:: | ||||
|    :maxdepth: 1 | ||||
|  | ||||
|    20170126_openssl.rst | ||||
| @@ -4,5 +4,6 @@ Security Notices | ||||
| .. toctree:: | ||||
|    :maxdepth: 2 | ||||
|  | ||||
|    2017/index.rst | ||||
|    2016/index.rst | ||||
|    2015/index.rst | ||||
|   | ||||
		Reference in New Issue
	
	Block a user