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[HUDI-4718] Add Kerberos kdestroy command support #6810

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Merged
yihua merged 1 commit into from
Sep 30, 2022
Merged

[HUDI-4718] Add Kerberos kdestroy command support #6810

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23 changes: 23 additions & 0 deletions hudi-cli/src/main/java/org/apache/hudi/cli/commands/KerberosAuthenticationCommand.java
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Original file line number Diff line number Diff line change
Expand Up @@ -57,4 +57,27 @@ public String performKerberosAuthentication(

return "Kerberos authentication success";
}

@ShellMethod(key = "kerberos kdestroy", value = "Destroy Kerberos authentication")
public String destroyKerberosAuthentication(
@ShellOption(value = "--krb5conf", help = "Path to krb5.conf", defaultValue = "/etc/krb5.conf") String krb5ConfPath) throws IOException {

System.out.println("Destroy Kerberos authentication");
System.out.println("Parameters:");
System.out.println("--krb5conf: " + krb5ConfPath);

System.setProperty("java.security.krb5.conf", krb5ConfPath);
UserGroupInformation loginUser = UserGroupInformation.getLoginUser();
if (loginUser.hasKerberosCredentials()) {
loginUser.logoutUserFromKeytab();
UserGroupInformation.reset();
} else {
System.out.println("Currently, no user login with kerberos, do nothing");
}

System.out.println("Current user: " + UserGroupInformation.getCurrentUser());
System.out.println("Login user: " + UserGroupInformation.getLoginUser());

return "Destroy Kerberos authentication success";
}
}