Chef-13 knife search exit 1 when no resultslcg/knife-search-no-results

Signed-off-by: Lamont Granquist <lamont@scriptkiddie.org>

3 files changed, 44 insertions, 2 deletions

diff --git a/lib/chef/knife/search.rb b/lib/chef/knife/search.rb
index 654f9ad498..c4c3380734 100644
--- a/lib/chef/knife/search.rb
+++ b/lib/chef/knife/search.rb
@@ -108,7 +108,7 @@ class Chef
         rescue Net::HTTPServerException => e
           msg = Chef::JSONCompat.from_json(e.response.body)["error"].first
           ui.error("knife search failed: #{msg}")
-          exit 1
+          exit 99
         end
 
         if ui.interchange?
@@ -123,6 +123,9 @@ class Chef
             end
           end
         end
+
+        # return a "failure" code to the shell so that knife search can be used in pipes similar to grep
+        exit 1 if result_count == 0
       end
 
       def read_cli_args
diff --git a/spec/integration/knife/search_node_spec.rb b/spec/integration/knife/search_node_spec.rb
new file mode 100644
index 0000000000..e3cda1a138
--- /dev/null
+++ b/spec/integration/knife/search_node_spec.rb
@@ -0,0 +1,39 @@
+#
+# Copyright:: Copyright 2013-2017, Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require "support/shared/integration/integration_helper"
+require "support/shared/context/config"
+
+describe "knife node show", :workstation do
+  include IntegrationSupport
+  include KnifeSupport
+
+  include_context "default config options"
+
+  when_the_chef_server "has a node with a run_list" do
+    before do
+      node "cons", { run_list: ["recipe[bar]", "recipe[foo]"] }
+    end
+
+    it "finds the node" do
+      knife("search node name:cons").should_succeed(/Node Name:\s*cons/, stderr: "1 items found\n\n")
+    end
+
+    it "does not find a node" do
+      knife("search node name:snoc").should_fail("", stderr: "0 items found\n\n", exit_code: 1)
+    end
+  end
+end
diff --git a/spec/support/shared/integration/knife_support.rb b/spec/support/shared/integration/knife_support.rb
index 4efa30a003..d873723784 100644
--- a/spec/support/shared/integration/knife_support.rb
+++ b/spec/support/shared/integration/knife_support.rb
@@ -1,6 +1,6 @@
 #
 # Author:: John Keiser (<jkeiser@chef.io>)
-# Copyright:: Copyright 2013-2016, Chef Software Inc.
+# Copyright:: Copyright 2013-2017, Chef Software Inc.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");