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3.server

  1. 1. mTangoREST.servermTangoREST.server
  2. 2. ingvord/mtangorest.serveringvord/mtangorest.server
  3. 3. 4.07.18 Igor Khokhriakov & Olga Merkulova 3 .zip(.war) VS .jar
  4. 4. 4.07.18 Igor Khokhriakov & Olga Merkulova 4 .war VS .jar ● For production deployment: – Allows fine Tomcat tuning – High load (1K-10K users) – Standard enterprise infrastructure ● Embedded Tango device – configuration in WEB-INF/web.xml ● For development/small production deployment ● Standalone Tango device ● Integration with standard Tango tools (Astor) – Using launch script ● Dokerized
  5. 5. Tango device (TangoRestServer) propertiesTango device (TangoRestServer) properties TANGO_DB [optional: default=tango://localhost:10000/sys/database/2] defines which tango_host(database) will be exported through this server. NOTE deprecated since rc4-x TANGO_ACCESS [optional: default=tango://localhost:10000/sys/access_control/1] defines which TangoAccessControl device will be used for authentication. Maybe set to none this disables TangoAccessControl integration TOMCAT_PORT [optional:default=10001] a port on which embedded tomcat will run TOMCAT_AUTH_METHOD [optional:default=plain] defines which type of authentication mechanism will be used [plain|kerberos].
  6. 6. mTangoREST.server project overviewmTangoREST.server project overview
  7. 7. 4.07.18 Igor Khokhriakov & Olga Merkulova 7 Clone from GitHub → Apache Maven* project – pom.xml – project description: ● Dependencies, maven central ● Build steps ● Profile based configuration ● IMPORTANT: entry point for IDE – Konsole commands e.g. mvn clean package [­ Dmaven.test.skip=true] – More info: https://maven.apache.org/ *auto build tool for Java projects
  8. 8. 4.07.18 Igor Khokhriakov & Olga Merkulova 8 Open and setup in intelliJ IDEA* 1) Open pom.xml 2) Run→Edit configurations... *similar for Eclipse or Netbeans
  9. 9. 4.07.18 Igor Khokhriakov & Olga Merkulova 9 mTangoREST.server request pipeline *org.tango.web.server.filters **org.tango.web.server.providers ***org.tango.web.server.resolvers, .interceptors
  10. 10. 4.07.18 Igor Khokhriakov & Olga Merkulova 10 Tango JAX-RS resources = Tango entities (aka device, attribute, commands etc) in mTangoREST.server.
  11. 11. DebuggerDebugger
  12. 12. DeploymentDeployment
  13. 13. 4.07.18 Igor Khokhriakov & Olga Merkulova 13
  14. 14. 4.07.18 Igor Khokhriakov & Olga Merkulova 14
  15. 15. 4.07.18 Igor Khokhriakov & Olga Merkulova 15 Security – Plain aka text security: ● Configure via Tango device properties: TOMCAT_USERS – comma separated usernames TOMCAT_PASSWORDS – comma separated passwords – Kerberos integration: ● Uses /etc/krb5.conf – LDAP – to be implemented – TangoAccessControl validates each request
  16. 16. Questions?Questions?
  17. 17. Exercise:Exercise: I. mTangoREST.server installation guide*I. mTangoREST.server installation guide* * https://github.com/tango-controls/tango-webapp/wiki/TangoWebapp-Workshop@SOLARIS

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