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DBeaver

Flatpak io.dbeaver.DBeaverCommunity with MariaDB, local socket and Kerberos

MariaDB Configuration

Fedora

Create AD managed Service Account and Kerberos keytab for MariaDB.

$ sudo sh -c 'umask 0077; mkdir /var/lib/user/mysql' $ sudo chown mysql:mysql /var/lib/user/mysql

$ adcli create-msa --domain=<DOMAIN> --host-keytab=/var/lib/user/mysql/mysql.keytab --login-user=<AD Administrator>

or if MSA should be created in a separate OU

$ adcli create-msa --domain=<DOMAIN> --domain-OU='CN=Users,OU=Unix,DC=XXX,DC=XXX,DC=XXX' --host-keytab=/var/lib/user/mysql/mysql.keytab --login-user=<AD Administrator>

Follow GSSAPI configuration instructions from https://mariadb.com/kb/en/authentication-plugin-gssapi/

$ cat /etc/my.cnf.d/auth_gssapi.cnf [mariadb] plugin-load-add = auth_gssapi.so gssapi = FORCE gssapi_principal_name = <principal created with adcli above> gssapi_keytab_path = /var/lib/user/mysql/mysql.keytab $

Configure DBeaver

On Fedora use Gnome Software tool, search for "Dbeaver" and install (tested using the Flathub [User] install choice). Follow this by searching for "MariaDB Client" and install.

  • Launch DBeaver and create a new connection.

  • Database --> New Database Connection --> MariaDB --> Next

  • Connect by URL

  • URL: jdbc:mariadb:///?connectTimeout=1000&localSocket=/var/lib/mysql/mysql.sock&servicePrincipalName=<service_principal_name>

  • Username: [clear]

  • Uncheck "Save password locally"

  • Click on "Finish"

Edit the new connection ...

  • Connection Settings --> Shell Commands
  • Select "Before Connect", add /usr/bin/kinit -ki to "Command:" and check "Wait for process to finish"
  • Select "After Disconnect", add /usr/bin/kdestroy to "Command:"
  • Click on "OK"

Edit driver to remove prompting for a password ...

  • Database --> Driver Manager
  • Select "MariaDB" and click on "Edit..."
  • Check "No authentication"
  • Click on "OK"
  • Click in "Close"
Run from command line

$ flatpak run --env="KRB5_CONFIG=/run/user/${UID}/krb5.conf" --env="KRB5_CLIENT_KTNAME=/run/user/${UID}/krb5.keytab" --env="KRB5CCNAME=FILE:/tmp/krb5cc_${UID}" --filesystem="xdg-run/krb5.conf" --filesystem="xdg-run/krb5.keytab" --filesystem="/var/lib/mysql/mysql.sock" --user io.dbeaver.DBeaverCommunity

Run from Gnome launcher

Copy DBeaver script to local binaries directory, modify desktop launcher to point to script.

$ cp DBeaver ~/.local/bin/ $ chmod +x ~/.local/bin/DBeaver $ sed --in-place "s|^\(Exec=.*\)\$|#\1\nExec=$HOME/.local/bin/DBeaver|" ~/.local/share/flatpak/exports/share/applications/io.dbeaver.DBeaverCommunity.desktop $ update-desktop-database ~/.local/share/flatpak/exports/share/applications

Extras

Awk snippit (recursive) to expand Kerberos configuration "#includedir" directives.

$ awk -f expand-conf.awk /etc/krb5.conf >$XDG_RUNTIME_DIR/krb5.conf