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EGEE-II INFSO-RI-031688 Enabling Grids for E-sciencE EGEE and gLite are registered trademarks Giuseppe La Rocca INFN – Catania

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Presentation on theme: "EGEE-II INFSO-RI-031688 Enabling Grids for E-sciencE EGEE and gLite are registered trademarks Giuseppe La Rocca INFN – Catania"— Presentation transcript:

1 EGEE-II INFSO-RI-031688 Enabling Grids for E-sciencE www.eu-egee.org EGEE and gLite are registered trademarks Giuseppe La Rocca INFN – Catania giuseppe.larocca@ct.infn.it EMBRACE-EGEE Tutorial MyProxy Server: installation, configuration & testing

2 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 2 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Outline Why MyProxy ? – Proxy Renewal mechanism MyProxy Server Installation. – Yaim profiles – Metapackage installation and configuration Testing MyProxy Server. – myproxy-init -s – myproxy-get-delegation –s

3 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 3 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Long term proxy Proxy has limited lifetime (default is 12 h) – Long jobs may outlive the validity of the initial proxy; if happens the job will die prematurely. – To solve this WMS allows proxies to be renewed automatically if user’s credentials are stored on a myproxy server (proxy renewal service). When a user’s proxy is going to expire, proxy renewal daemon contacts MyProxy server and performs credentials renew For proxy renewal service user has to store credential using the command: myproxy-init -s -t -d -n and specify which MyProxy server has to be contacted in jobs JDL: MyProxyServer = “grid001.ct.infn.it”;

4 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 4 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Installing the MyProxy Server

5 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 5 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Installation pre-requisites Start from the Virtual Machine Base that you can download from : https://gilda.ct.infn.it/GILDAVM/GILDAVM_Base.tar.bz2 Verify that these packages are installed and properly configured: – Java SDK 1.4.2 (or greater) – edg_VO_Gilda rpm (https://gilda.ct.infn.it/RPMS/) – glite-yaim-3.0.0 (http://glitesoft.cern.ch/EGEE/gLite/APT/R3.0/rhel30/R PMS.Release3.0/) – gilda_ig-yaim-3.0.0 (http://grid018.ct.infn.it/apt/gilda_app-i386/utils/)

6 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 6 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Request host certificates for the MyProxy Server to a CA – https://gilda.ct.infn.it/CA/mgt/restricted/srvreq.phphttps://gilda.ct.infn.it/CA/mgt/restricted/srvreq.php Copy host certificate (hostcert.pem and hostkey.pem) in /etc/grid-security Change the permisions – chmod 644 hostcert.pem – chmod 400 hostkey.pem Install host certificates

7 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 7 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Java SDK Installation Because of SUN licence used for Java SDK, it is not possible to redistribute it with the middleware. You have to download Java SDK 1.4.2 from Sun web site: http://java.sun.com/j2se/1.4.2/download.html Select ``Download J2SE SDK'', and download the ``RPM in self-extracting file''. Follow the instruction on the pages to extract the rpm.

8 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 8 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Node Configuration A general requirement for the gLite nodes is that they are synchronized. Configure the file /etc/ntp.conf by adding the lines dealing with your time server configuration such as, for instance: # Prohibit general access to this service. restrict default ignore restrict 193.206.144.10 mask 255.255.255.255 nomodify notrap noquery server 127.127.1.0 # local clock fudge 127.127.1.0 stratum 10 server ntp-1.infn.it

9 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 9 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Node Configuration Edit the file /etc/ntp/step-tickers adding a list of your time server(s) hostname(s) cat /etc/ntp/step-tickers 193.206.144.10 # If you are running a kernel firewall, you will have to allow inbound communication on the NTP port. If you are using iptables, you can add the following to /etc/sysconfig/iptables -A INPUT -s -p udp --dport 123 -j ACCEPT You can then reload the firewall : /etc/init.d/iptables restart

10 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 10 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Node Configuration Activate the ntpd service with the following commands: # ntpdate # service ntpd start # chkconfig ntpd on You can check ntpd's status by running the following command : # ntpq -p

11 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 11 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Install glite-yaim and gilda_ig-yaim Download and install latest version of glite-yaim-3.0.0 -* on your machine http://glitesoft.cern.ch/EGEE/gLite/APT/R3.0/rhel30/RPMS.Release3.0/glite-yaim-3.0.0-11.noarch.rpm Download and install the latest version of gilda_ig-yaim-3.0.0 -* on your machine http://grid018.ct.infn.it/apt/gilda_app-i386/utils/gilda_ig-yaim-latest glite-yaim and gilda_ig-yaim provide a set of bash ``mini-scripts''. Each ``mini-script'' implements one bash function and it is stored in file with the same name of the function. Each function configures a specific middleware module. The functions are stored in the two directories: /opt/glite/yaim/functions (glite-yaim functions) /opt/glite/yaim/functions/local (gilda_ig-yaim functions)

12 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 12 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Customize gilda_ig-site-info.def Copy the yaim configuration template file into the root dir: cp /opt/glite/yaim/examples/gilda_ig-site-info.def /root/my-site-info.def Open /root/my-site-info.def file using a text editor and set the following values according to your grid environment: MY_DOMAIN= PX_HOST=grid001.ct.infn.it MON_HOST=rgmasrv.ct.infn.it REG_HOST=rgmasrv.ct.infn.it NTP_HOSTS=“193.206.144.10”

13 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 13 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Set the repositories: OS_REPOSITORY="rpm http://grid018.ct.infn.it/rep slc306-i386 os updates extras" LCG_REPOSITORY="rpm http://grid018.ct.infn.it/rep glite_sl3-i386 3_0_0 3_0_0_externals 3_0_0_updates" IG_REPOSITORY="rpm http://grid018.ct.infn.it/rep ig_sl3-i386 3_0_0 utils" GILDA_REPOSITORY="rpm http://grid018.ct.infn.it/rep gilda_app-i386 app 3_0_0" CA_REPOSITORY="rpm http://grid018.ct.infn.it/rep glite_sl3-i386 security" Customize gilda_ig-site-info.def For this tutorial substitute grid018.ct.infn.it/rep with 192.168.0.50

14 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 14 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Check/Modify VO and VOMS specific configurations: VOS=“gilda..” ALL_VOMS=“gilda..” Customize gilda_ig-site-info.def

15 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 15 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 #Specific VO settings VO_GILDA_SW_DIR=$VO_SW_DIR/gilda VO_GILDA_DEFAULT_SE=$DPM_HOST VO_GILDA_STORAGE_DIR=$CLASSIC_STORAGE_DIR//gilda VO_GILDA_QUEUES="short long infinite" VO_GILDA_VOMS_SERVERS="vomss://voms.ct.infn.it:8443/voms /gilda?/gilda"VO_GILDA_VOMSES="'gilda voms.ct.infn.it 15001 /C=IT/O=GILDA/OU=Host/L=INFN Catania/CN=voms.ct.infn.it/Email=emidio.giorgio@ct.infn. it gilda'“ JAVA_LOCATION=“/usr/java/j2sdk1.4.2_12/” Customize gilda_ig-site-info.def

16 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 16 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 MyProxy Installation We are ready to install the MyProxy Server: /opt/glite/bin/gilda_ig_install_node /root/my-site-info.def GILDA_ig_PX This command will download and install all the needed packages Now we can configure the node: /opt/glite/bin/gilda_ig_configure_node /root/my-site-info.def GILDA_ig_PX

17 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 17 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 MyProxy Settings Because of a bug in the gLte Middleware we have to fix the myproxy exec script – Edit /etc/init.d/myproxy – Comment the following lines  {GLOBUS_LOCATION}/libexec/globus-script-initializer  {libexecdir}/globus-sh-tools.sh  MKCONFIG="/etc/rc.d/init.d/myproxy-generate-config.pl $CERTDIR $X509_USER_CERT … – Change the MYPROXY variable with  MYPROXY=/opt/globus/sbin/myproxy-server

18 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 18 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Before to start… Listening port, storing directory for credentials and configuration file could be changed setting the appropriate variables (PORT, STORE, CONFIG) on init script. – PORT=“-p 7512” – STORE=“-s /var/myproxy” – CONFIG=“-c $CONFIG” Pay attention to ownerships/permissions for $STORE ! (root / 700).

19 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 19 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Iptables /1 # Firewall configuration wirtten by redhat- config-securitylevel # Manual customization of this file is not recommeded. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :RH-Firewall-1-INPUT – [0:0] -A INPUT –j RH-Firewall-1-INPUT -A FORWARD –j RH-Firewall-1-INPUT -A RH-Firewall-1-INPUT –i lo –j ACCEPT -A RH-Firewall-1-INPUT –s 193.206.144.10 –p udp –-dport 123 –j ACCEPT

20 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 20 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Iptables /2 -A RH-Firewall-1-INPUT –p icmp -–icmp-type any – j ACCEPT -A RH-Firewall-1-INPUT –m state –-state ESTABLISHED,RELATED –j ACCEPT # Enable incoming connection to 7512 port. -A RH-Firewall-1-INPUT –m state –-state NEW –m tcp –p tcp -–dport 7512 –j ACCEPT # REJECT all traffic not allowed. -A RH-Firewall-1-INPUT –j REJECT –-reject-with icmp-host-prohibited COMMIT

21 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 21 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Edit /etc/myproxy-server.config and define your access policies By default you will find all the EGEE policies accepted_credentials "/C=IT/O=INFN/*" accepted_credentials "/C=it/O=GILDA/*" accepted_credentials "/C=IT/O=GILDA/*" proxy certificate subjects accepted to be stored authorized_retrievers "*" certificate subject allowed torequest credentials delegation authorized_renewers "*" certificate subject allowed torequest credentials renew Before to start… /2

22 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 22 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006..and finally Start the service running the command /etc/init.d/myproxy start

23 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 23 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 MyProxy Testing

24 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 24 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 – myproxy-init -s -s: specifies the hostname of the myproxy server – myproxy-info -s  Get information about stored long living proxy – myproxy-get-delegation -s  Get a new proxy from the MyProxy server – myproxy-destroy -s  Destroy the credential into the server MyProxy commands

25 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 25 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Howto access to training240v.healthgrid.org Login : clermontXX@training240v.healthgrid.org where XX=01,..15 Password : GridCLEXX XX=01,..,15 PEM PASSPHRASE : CLERMONT

26 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 26 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Store credentials on MyProxy Server %myproxy-init -s... Enter GRID pass phrase for this identity:... Enter MyProxy pass phrase:... A proxy valid for 168 hours (7.0 days) for user xxx now exists on ui-test.trigrid.it. Now your credentials are stored on MyProxy server, and are available for delegation or renewal by RB

27 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 27 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Get delegation %myproxy-get-delegation -s Enter MyProxy pass phrase: A proxy has been received for user XXX in /tmp/x509up_u5XX

28 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 28 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Log file & init script

29 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 29 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Log messages can be found in /var/log/messages Init script can be found in /etc/init.d /etc/init.d/myproxy

30 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 30 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Troubleshooting

31 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 31 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 $_ myproxy-init -s giular.trigrid.it --voms bio init.c:266: globus_gss_assist_init_sec_context: Error during context initialization init_sec_context.c:171: gss_init_sec_context: SSLv3 handshake problemsglobus_i_gsi_gss_utils.c:881: globus_i_gsi_gss_handshake: Unable to verify remote side's credentials globus_i_gsi_gss_utils.c:854: globus_i_gsi_gss_handshake: SSLv3 handshakeproblems: Couldn't do ssl handshake OpenSSL Error: s3_clnt.c:840: in library: SSL routines, function SSL3_GET_SERVER_CERTIFICATE: certificate verify failed globus_gsi_callback.c:351: globus_i_gsi_callback_handshake_callback: Could not verify credential globus_gsi_callback.c:443: globus_i_gsi_callback_cred_verify: Could not verify credential: self signed certificate in certificate chain Clock skew between the node /1

32 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 32 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Sep 7 16:00:01 giular myproxy-server: Connection from 193.206.208.141 Sep 7 16:00:01 giular myproxy-server: Error authenticating client: GSS Major Status: Authentication Failed GSS Minor Status Error Chain: accept_sec_context.c:170: gss_accept_sec_context: SSLv3 handshake problems globus_i_gsi_gss_utils.c:881: globus_i_gsi_gss_handshake: Unable to verify remote side's credentials globus_i_gsi_gss_utils.c:854: globus_i_gsi_gss_handshake: SSLv3 handshake problems: Couldn't do ssl handshake OpenSSL Error: s3_srvr.c:1816: in library: SSL routines, function SSL3_GET_CLIENT_CERTIFICATE: no certificate returned globus_gsi_callback.c:351: globus_i_gsi_callback_handshake_callback: Could not verify credential globus_gsi_callback.c:420: globus_i_gsi_callback_cred_verify: The certificate is not yet valid: Cert with subject: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN Catania/CN=Giuseppe La Rocca/Email=giuseppe.larocca@ct.infn.it/CN=proxy is not yet valid- check clock skew between hosts. Sep 7 16:00:01 giular myproxy-server: Exiting: authentication failed Clock skew between the node /2

33 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 33 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 $_ myproxy-init -s giular.trigrid.it --voms gilda Cannot find file or dir: /home/larocca/.glite/vomsesYour identity: /C=IT/O=GILDA/OU=Personal Certificate/L=INFN Catania/CN=Giuseppe La Rocca/Email=giuseppe.larocca@ct.infn.it Enter GRID pass phrase: verify OK Creating temporary proxy....................................................... Done Contacting voms.ct.infn.it:15001 [/C=IT/O=GILDA/OU=Host/L=INFN Catania/CN=voms.ct.infn.it/Email=emidio.giorgio@ct.infn.it] "gilda" Done Creating proxy.................................... Done Your proxy is valid until Thu Sep 14 16:44:02 2006 Enter MyProxy pass phrase: Verifying password - Enter MyProxy pass phrase: ERROR from server: "/C=IT/O=GILDA/OU=Personal Certificate/L=INFN Catania/CN=Giuseppe La Rocca/Email=giuseppe.larocca@ct.infn.it" not authorized to store credentials on this server Not authorized to store cred. Check if myproxy- server.conf of the server contain: accepted_credentials "/C=IT/O=GILDA/*"

34 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 34 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 References gLite v3.0 Advanced Installation and Configuration Guide – http://glite.web.cern.ch/glite/packages/R3.0/R200 60502/doc/installation_guide_3.0-2.html http://glite.web.cern.ch/glite/packages/R3.0/R200 60502/doc/installation_guide_3.0-2.html GILDA gLite 3.0 installation notes wiki – https://grid.ct.infn.it/twiki/bin/view/GILDA/GliteEle mentsInstallation https://grid.ct.infn.it/twiki/bin/view/GILDA/GliteEle mentsInstallation GILDA gLite-3.0 installation instructions – https://gilda.ct.infn.it/docs/GILDAsiteinstall- 3_0_0.html https://gilda.ct.infn.it/docs/GILDAsiteinstall- 3_0_0.html

35 Enabling Grids for E-sciencE EGEE-II INFSO-RI-031688 35 Giuseppe La Rocca, INFN Catania  EMBRACE Tutorial , 09-13.10.2006 Questions…

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