Coverage Report - com.thindeck.agents.RemoveImages
 
Classes in this File Line Coverage Branch Coverage Complexity
RemoveImages
0%
0/17
0%
0/2
1.25
 
 1  0
 /**
 2  
  * Copyright (c) 2014-2015, Thindeck.com
 3  
  * All rights reserved.
 4  
  *
 5  
  * Redistribution and use in source and binary forms, with or without
 6  
  * modification, are permitted provided that the following conditions
 7  
  * are met: 1) Redistributions of source code must retain the above
 8  
  * copyright notice, this list of conditions and the following
 9  
  * disclaimer. 2) Redistributions in binary form must reproduce the above
 10  
  * copyright notice, this list of conditions and the following
 11  
  * disclaimer in the documentation and/or other materials provided
 12  
  * with the distribution. 3) Neither the name of the thindeck.com nor
 13  
  * the names of its contributors may be used to endorse or promote
 14  
  * products derived from this software without specific prior written
 15  
  * permission.
 16  
  *
 17  
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 18  
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 19  
  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 20  
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 21  
  * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 22  
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 23  
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 24  
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 25  
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 26  
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 27  
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 28  
  * OF THE POSSIBILITY OF SUCH DAMAGE.
 29  
  */
 30  
 package com.thindeck.agents;
 31  
 
 32  
 import com.jcabi.aspects.Immutable;
 33  
 import com.jcabi.immutable.ArrayMap;
 34  
 import com.jcabi.log.Logger;
 35  
 import com.jcabi.xml.XML;
 36  
 import com.thindeck.api.Agent;
 37  
 import java.io.IOException;
 38  
 import java.util.Collection;
 39  
 import org.xembly.Directive;
 40  
 import org.xembly.Directives;
 41  
 
 42  
 /**
 43  
  * Remove all waste images.
 44  
  *
 45  
  * @author Yegor Bugayenko (yegor@teamed.io)
 46  
  * @version $Id$
 47  
  * @since 0.5
 48  
  */
 49  
 @Immutable
 50  
 public final class RemoveImages implements Agent {
 51  
 
 52  
     /**
 53  
      * Script to use.
 54  
      */
 55  
     private final transient Script script;
 56  
 
 57  
     /**
 58  
      * Ctor.
 59  
      * @throws IOException If fails
 60  
      */
 61  
     public RemoveImages() throws IOException {
 62  0
         this(
 63  
             new Script.Default(
 64  
                 RemoveImages.class.getResource("remove-image.sh")
 65  
             )
 66  
         );
 67  0
     }
 68  
 
 69  
     /**
 70  
      * Ctor.
 71  
      * @param spt Script.
 72  
      */
 73  0
     public RemoveImages(final Script spt) {
 74  0
         this.script = spt;
 75  0
     }
 76  
 
 77  
     @Override
 78  
     public Iterable<Directive> exec(final XML deck) throws IOException {
 79  0
         final Collection<String> images = deck.xpath(
 80  
             // @checkstyle LineLength (1 line)
 81  
             "/deck/images/image[@waste and not(name=/deck/containers/container/image)]/name/text()"
 82  
         );
 83  0
         final Directives dirs = new Directives();
 84  0
         for (final String image : images) {
 85  0
             Logger.info(
 86  
                 this, "Docker image %s is waste, has to be removed",
 87  
                 image
 88  
             );
 89  0
             this.remove(image);
 90  0
             dirs.xpath(
 91  
                 String.format(
 92  
                     "/deck/images/image[name='%s']",
 93  
                     image
 94  
                 )
 95  
             ).remove();
 96  0
         }
 97  0
         return dirs;
 98  
     }
 99  
 
 100  
     /**
 101  
      * Remove image.
 102  
      * @param name Name of image
 103  
      * @throws IOException If fails
 104  
      */
 105  
     private void remove(final String name) throws IOException {
 106  0
         this.script.exec(
 107  
             "t1.thindeck.com",
 108  
             new ArrayMap<String, String>().with("image", name)
 109  
         );
 110  0
         Logger.info(
 111  
             StartDocker.class,
 112  
             "Docker image %s removed", name
 113  
         );
 114  0
     }
 115  
 
 116  
 }