4363: Merge branch 'master' into 4363-less-filename-munging

[arvados.git] / sdk / cli / bin / arv-tag

diff --git a/sdk/cli/bin/arv-tag b/sdk/cli/bin/arv-tag
index 67def8412dace9210473ebadba0f9d4ce5882c5e..e400dab7dabdc656d6e552ed762194d0bc0b20fb 100755 (executable)
--- a/sdk/cli/bin/arv-tag
+++ b/sdk/cli/bin/arv-tag
@@ -5,56 +5,87 @@
 #   arv tag remove tag1 [tag2 ...] --object obj_uuid1 [--object obj_uuid2 ...]
 #   arv tag remove tag1 [tag2 ...] --all
 
-def usage
-  abort "Usage:\n" +
-    "arv tag add tag1 [tag2 ...] --objects object_uuid1 [object_uuid2...]\n" +
-    "arv tag remove tag1 [tag2 ...] --objects object_uuid1 [object_uuid2...]\n" +
+def usage_string
+  return "\nUsage:\n" +
+    "arv tag add tag1 [tag2 ...] --object object_uuid1 [object_uuid2...]\n" +
+    "arv tag remove tag1 [tag2 ...] --object object_uuid1 [object_uuid2...]\n" +
     "arv tag remove --all\n"
 end
 
-def tag_add(tag, obj_uuid)
-  request_body = {
-    :api_token => ENV['ARVADOS_API_TOKEN'],
-    :link => {
-      :name       => tag,
-      :link_class => :tag,
-      :head_uuid  => obj_uuid,
-    }
-  }
-
-  result = $client.execute(:api_method => $arvados.links.create,
-                           :body => request_body,
+def usage
+  abort usage_string
+end
+
+def api_call(method, parameters:{}, request_body:{})
+  request_body[:api_token] = ENV['ARVADOS_API_TOKEN']
+  result = $client.execute(:api_method => method,
+                           :parameters => parameters,
+                           :body_object => request_body,
                            :authenticated => false)
 
   begin
     results = JSON.parse result.body
   rescue JSON::ParserError => e
-    $stderr.puts "Failed to parse server response:\n" + e.to_s
-    return nil
+    abort "Failed to parse server response:\n" + e.to_s
   end
 
-  if results["errors"] then
-    $stderr.puts "Error: #{results["errors"][0]}"
-    return nil
+  if results["errors"]
+    abort "Error: #{results["errors"][0]}"
   end
 
   return results
 end
 
-def tag_remove(tag, obj_uuid=nil)
-  request_body = {
-    :api_token => ENV['ARVADOS_API_TOKEN'],
-    :link => {
-      :name       => tag,
-      :link_class => :tag,
-      :head_uuid  => obj_uuid,
-    }
-  }
+def tag_add(tag, obj_uuid)
+  return api_call($arvados.links.create,
+                  request_body: {
+                    :link => {
+                      :name       => tag,
+                      :link_class => :tag,
+                      :head_uuid  => obj_uuid,
+                    }
+                  })
+end
+
+def tag_remove(tag, obj_uuids=nil)
+  # If we got a list of objects to untag, look up the uuids for the
+  # links that need to be deleted.
+  link_uuids = []
+  if obj_uuids
+    obj_uuids.each do |uuid|
+      link = api_call($arvados.links.list,
+                      request_body: {
+                        :where => {
+                          :link_class => :tag,
+                          :name => tag,
+                          :head_uuid => uuid,
+                        }
+                      })
+      if link['items_available'] > 0
+        link_uuids.push link['items'][0]['uuid']
+      end
+    end
+  else
+    all_tag_links = api_call($arvados.links.list,
+                             request_body: {
+                               :where => {
+                                 :link_class => :tag,
+                                 :name => tag,
+                               }
+                             })
+    link_uuids = all_tag_links['items'].map { |obj| obj['uuid'] }
+  end
 
-  return $client.execute(:api_method => $arvados.links.destroy,
-                         :parameters => params,
-                         :body => request_body,
-                         :authenticated => false)
+  results = []
+  if link_uuids
+    link_uuids.each do |uuid|
+      results.push api_call($arvados.links.delete, parameters:{ :uuid => uuid })
+    end
+  else
+    $stderr.puts "no tags found to remove"
+  end
+
+  return results
 end
 
 if RUBY_VERSION < '1.9.3' then
@@ -75,6 +106,7 @@ begin
   require 'google/api_client'
   require 'json'
   require 'pp'
+  require 'oj'
   require 'trollop'
 rescue LoadError
   abort <<-EOS
@@ -119,7 +151,8 @@ class Google::APIClient
 end
 
 global_opts = Trollop::options do
-  banner "arvados cli client"
+  banner usage_string
+  banner ""
   opt :dry_run, "Don't actually do anything", :short => "-n"
   opt :verbose, "Print some things on stderr", :short => "-v"
   opt :uuid, "Return the UUIDs of the objects in the response, one per line (default)", :short => nil
@@ -129,7 +162,7 @@ global_opts = Trollop::options do
   opt :yaml, "Return the response received from the API server, in YAML format", :short => "-y"
   stop_on ['add', 'remove']
 end
-  
+
 p = Trollop::Parser.new do
   opt(:all,
       "Remove this tag from all objects under your ownership. Only valid with `tag remove'.",
@@ -159,6 +192,11 @@ $arvados = $client.discovered_api('arvados', $arvados_api_version)
 
 results = []
 cmd = ARGV.shift
+
+if ARGV.empty?
+  usage
+end
+
 case cmd
 when 'add'
   ARGV.each do |tag|
@@ -169,11 +207,9 @@ when 'add'
 when 'remove'
   ARGV.each do |tag|
     if $options[:all] then
-      results.push(tag_remove(tag))
+      results.concat tag_remove(tag)
     else
-      $options[:object].each do |obj|
-        results.push(tag_remove(tag, obj))
-      end
+      results.concat tag_remove(tag, $options[:object])
     end
   end
 else
@@ -188,10 +224,7 @@ elsif global_opts[:json] then
   puts Oj.dump(results)
 else
   results.each do |r|
-    next if r == nil
-    if r["items"] and r["kind"].match /list$/i
-      r['items'].each do |i| puts i['uuid'] end
-    elsif r['uuid'].nil?
+    if r['uuid'].nil?
       abort("Response did not include a uuid:\n" +
             Oj.dump(r, :indent => 1) +
             "\n")