Add support for creating a symbolic link

2 files changed, 17 insertions, 0 deletions

diff --git a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPath.java b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPath.java
index e2b19e73fa3..98944e32d8b 100644
--- a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPath.java
+++ b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPath.java
@@ -207,6 +207,11 @@ public class UnixPath {
         }
     }
 
+    public UnixPath createSymbolicLink(Path link) {
+        uncheck(() -> Files.createSymbolicLink(link, path));
+        return new UnixPath(link);
+    }
+
     @Override
     public String toString() {
         return path.toString();
diff --git a/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPathTest.java b/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPathTest.java
index 9b80b9a9ca2..6dfbc258474 100644
--- a/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPathTest.java
+++ b/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/task/util/file/UnixPathTest.java
@@ -75,4 +75,16 @@ public class UnixPathTest {
         assertTrue(unixPath.isDirectory());
         assertEquals(permissions, unixPath.getPermissions());
     }
+
+    @Test
+    public void createSymbolicLink() {
+        String original = "foo\nbar\n";
+        UnixPath path = new UnixPath(fs.getPath("example.txt"));
+        path.writeUtf8File(original);
+        String fromFile = path.readUtf8File();
+        assertEquals(original, fromFile);
+
+        UnixPath link = path.createSymbolicLink(fs.getPath("link-to-example.txt"));
+        assertEquals(original, link.readUtf8File());
+    }
 }