[ARVADOS] created: 2.1.0-1314-g7fe353659

[Git user]

        at  7fe3536599bf260b3451eb94539021110640ab73 (commit)


commit 7fe3536599bf260b3451eb94539021110640ab73
Author: Peter Amstutz <peter.amstutz at curii.com>
Date:   Wed Sep 8 17:32:35 2021 -0400

    17960: Update arv-copy documentation about copying projects
    
    Arvados-DCO-1.1-Signed-off-by: Peter Amstutz <peter.amstutz at curii.com>

diff --git a/doc/user/topics/arv-copy.html.textile.liquid b/doc/user/topics/arv-copy.html.textile.liquid
index 6e41a4f23..1c09e4caf 100644
--- a/doc/user/topics/arv-copy.html.textile.liquid
+++ b/doc/user/topics/arv-copy.html.textile.liquid
@@ -15,7 +15,11 @@ This tutorial describes how to copy Arvados objects from one cluster to another
 
 h2. arv-copy
 
- at arv-copy@ allows users to copy collections and workflows from one cluster to another. By default, @arv-copy@ will recursively go through the workflow and copy all dependencies associated with the object.
+ at arv-copy@ allows users to copy collections, workflow definitions and projects from one cluster to another.
+
+For projects, @arv-copy@ will copy all the collections workflow definitions owned by the project, and recursively copy subprojects.
+
+For workflow definitions, @arv-copy@ will recursively go through the workflow and copy all associated dependencies (input collections and Docker images).
 
 For example, let's copy from the <a href="https://playground.arvados.org/">Arvados playground</a>, also known as *pirca*, to *dstcl*. The names *pirca* and *dstcl* are interchangable with any cluster id. You can find the cluster name from the prefix of the uuid of the object you want to copy. For example, in *zzzzz*-4zz18-tci4vn4fa95w0zx, the cluster name is *zzzzz* .
 
@@ -82,3 +86,18 @@ jutro-4zz18-vvvqlops0a0kpdl: 94M / 94M 100.0%
 The name, description, and workflow definition from the original workflow will be used for the destination copy. In addition, any *collections* and *docker images* referenced in the source workflow definition will also be copied to the destination.
 
 If you would like to copy the object without dependencies, you can use the @--no-recursive@ flag.
+
+h3. How to copy a project
+
+We will use the uuid @jutro-7fd4e-mkmmq53m1ze6apx@ as an example project.
+
+<notextile>
+<pre><code>~$ <span class="userinput">peteramstutz at shell:~$ arv-copy --project-uuid pirca-j7d0g-lr8sq3tx3ovn68k jutro-j7d0g-xj19djofle3aryq
+2021-09-08 21:29:32 arvados.arv-copy[6377] INFO:
+2021-09-08 21:29:32 arvados.arv-copy[6377] INFO: Success: created copy with uuid pirca-j7d0g-ig9gvu5piznducp
+</code></pre>
+</notextile>
+
+The name and description of the original project will be used for the destination copy.  If a project already exists with the same name, collections and workflow definitions will be copied into the project with the same name.
+
+If you would like to copy the project but not its subproject, you can use the @--no-recursive@ flag.
diff --git a/sdk/python/arvados/commands/arv_copy.py b/sdk/python/arvados/commands/arv_copy.py
index 79dabd38b..d10234ca6 100755
--- a/sdk/python/arvados/commands/arv_copy.py
+++ b/sdk/python/arvados/commands/arv_copy.py
@@ -89,10 +89,10 @@ def main():
         help='Perform copy even if the object appears to exist at the remote destination.')
     copy_opts.add_argument(
         '--src', dest='source_arvados',
-        help='The name of the source Arvados instance (required) - points at an Arvados config file. May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.')
+        help='The cluster id of the source Arvados instance. May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.  If not provided, will be inferred from the UUID of the object being copied.')
     copy_opts.add_argument(
         '--dst', dest='destination_arvados',
-        help='The name of the destination Arvados instance (required) - points at an Arvados config file. May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.')
+        help='The name of the destination Arvados instance (required). May be either a pathname to a config file, or (for example) "foo" as shorthand for $HOME/.config/arvados/foo.conf.  If not provided, will use ARVADOS_API_HOST from environment.')
     copy_opts.add_argument(
         '--recursive', dest='recursive', action='store_true',
         help='Recursively copy any dependencies for this object, and subprojects. (default)')
@@ -113,7 +113,7 @@ def main():
     copy_opts.set_defaults(recursive=True)
 
     parser = argparse.ArgumentParser(
-        description='Copy a workflow or collection from one Arvados instance to another.',
+        description='Copy a workflow, collection or project from one Arvados instance to another.',
         parents=[copy_opts, arv_cmd.retry_opt])
     args = parser.parse_args()
 

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