SQL: new SQL CLI logo (#35261)

Added new SQL CLI logo representing the Elastic logo "painted" with
"Elastic" words, "SQL" under the logo and version on the last line

Author: astefan

x-pack/plugin/sql/qa/src/main/java/org/elasticsearch/xpack/sql/qa/cli/EmbeddedCli.java

@@ -11,7 +11,6 @@
 import org.elasticsearch.cli.Terminal;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Strings;
-
 import org.elasticsearch.core.internal.io.IOUtils;
 import org.elasticsearch.xpack.sql.cli.Cli;
 import org.elasticsearch.xpack.sql.cli.CliTerminal;
@@ -151,10 +150,21 @@ protected boolean addShutdownHook() {
                 assertEquals("", readLine());
             }
 
-            // Throw out the logo
-            while (false == readLine().contains("SQL")) {
-                ;
+            // Read until the first "good" line (skip the logo or read until an exception)
+            boolean isLogoOrException = false;
+            while (!isLogoOrException) {
+                String line = readLine();
+                if ("SQL".equals(line.trim())) {
+                    // it's almost the bottom of the logo, so read the next line (the version) and break out of the loop
+                    readLine();
+                    isLogoOrException = true;
+                } else if (line.contains("Exception")) {
+                    // if it's an exception, just break out of the loop and don't read the next line
+                    // as it will swallow the exception and IT tests won't catch it
+                    isLogoOrException = true;
+                }
             }
+            
             assertConnectionTest();
         } catch (IOException e) {
             try {

x-pack/plugin/sql/sql-cli/src/main/java/org/elasticsearch/xpack/sql/cli/command/PrintLogoCommand.java

@@ -8,12 +8,14 @@
 import org.elasticsearch.xpack.sql.cli.Cli;
 import org.elasticsearch.xpack.sql.cli.CliTerminal;
 import org.elasticsearch.xpack.sql.cli.FatalCliException;
+import org.elasticsearch.xpack.sql.client.Version;
 
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -34,20 +36,26 @@ protected boolean doHandle(CliTerminal terminal, CliSession cliSession, Matcher
 
     public void printLogo(CliTerminal terminal) {
         terminal.clear();
+        int lineLength = 0;
         try (InputStream in = Cli.class.getResourceAsStream("/logo.txt")) {
             if (in == null) {
                 throw new FatalCliException("Could not find logo!");
             }
             try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, StandardCharsets.UTF_8))) {
                 String line;
                 while ((line = reader.readLine()) != null) {
+                    lineLength = Math.max(lineLength, line.length());
                     terminal.println(line);
                 }
             }
         } catch (IOException e) {
             throw new FatalCliException("Could not load logo!", e);
         }
 
+        // print the version centered on the last line
+        char[] whitespaces = new char[(lineLength - Version.CURRENT.version.length()) / 2];
+        Arrays.fill(whitespaces, ' ');
+        terminal.println(new StringBuilder().append(whitespaces).append(Version.CURRENT.version).toString());
         terminal.println();
     }
 

x-pack/plugin/sql/sql-cli/src/main/resources/logo.txt

@@ -1 +1,27 @@
-                 Elasticsearch SQL
+                       asticElasticE              
+                     ElasticE  sticEla            
+          sticEl  ticEl            Elast          
+        lasti Elasti                   tic        
+      cEl       ast                     icE       
+     icE        as                       cEl      
+     icE        as                       cEl      
+     icEla     las                        El      
+   sticElasticElast                     icElas    
+ las           last                    ticElast   
+El              asti                 asti    stic 
+El              asticEla           Elas        icE
+El            Elas  cElasticE   ticEl           cE
+Ela        ticEl         ticElasti              cE
+ las     astic               last              icE
+   sticElas                   asti           stic 
+     icEl                      sticElasticElast   
+     icE                       sticE   ticEla     
+     icE                       sti       cEla     
+     icEl                      sti        Ela     
+      cEl                      sti       cEl      
+       Ela                    astic    ticE       
+         asti               ElasticElasti         
+           ticElasti  lasticElas                  
+              ElasticElast                        
+
+                       SQL

x-pack/plugin/sql/sql-cli/src/test/java/org/elasticsearch/xpack/sql/cli/command/BuiltinCommandTests.java

@@ -8,6 +8,7 @@
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.xpack.sql.cli.TestTerminal;
 import org.elasticsearch.xpack.sql.client.HttpClient;
+import org.elasticsearch.xpack.sql.client.Version;
 
 import static org.hamcrest.Matchers.containsString;
 import static org.mockito.Mockito.mock;
@@ -93,6 +94,7 @@ public void testPrintLogo() throws Exception {
         testTerminal.print("not clean");
         assertTrue(new PrintLogoCommand().handle(testTerminal, cliSession, "logo"));
         assertThat(testTerminal.toString(), containsString("SQL"));
+        assertThat(testTerminal.toString(), containsString(Version.CURRENT.version));
         verifyNoMoreInteractions(httpClient);
     }