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Allow `command` to be an array of arguments in ShellCommandAgent

With this, you can safely pass a string contained in an incoming event
as an argument to a command without worrying about meta-characters.

Akinori MUSHA 10 年之前
父節點
4ca6504314
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d9d5fbf824
共有 2 個文件被更改，包括 30 次插入 和 7 次删除
顯示文件統計
  1. 6 2
      app/models/agents/shell_command_agent.rb
  2. 24 5
      spec/models/agents/shell_command_agent_spec.rb

+ 6 - 2
app/models/agents/shell_command_agent.rb
查看文件 

@@ -11,7 +11,7 @@ module Agents
11 11 
     description <<-MD
12 12 
       The Shell Command Agent will execute commands on your local system, returning the output.
13 13
14 
-      `command` specifies the command to be executed, and `path` will tell ShellCommandAgent in what directory to run this command.
14 
+      `command` specifies the command (either a shell command line string or an array of command line arguments) to be executed, and `path` will tell ShellCommandAgent in what directory to run this command.
15 15
16 16 
       `expected_update_period_in_days` is used to determine if the Agent is working.
17 17 
 
@@ -50,6 +50,10 @@ module Agents
50 50 
         errors.add(:base, "The path, command, and expected_update_period_in_days fields are all required.")
51 51 
       end
52 52
53 
+      unless Array(options['command']).all? { |o| o.is_a?(String) }
54 
+        errors.add(:base, "command must be a shell command line string or an array of command line arguments.")
55 
+      end
56 
+
53 57 
       unless File.directory?(options['path'])
54 58 
         errors.add(:base, "#{options['path']} is not a real directory.")
55 59 
       end
 
@@ -92,7 +96,7 @@ module Agents
92 96 
         rout, wout = IO.pipe
93 97 
         rerr, werr = IO.pipe
94 98
95 
-        pid = spawn(command, chdir: path, out: wout, err: werr)
99 
+        pid = spawn(*command, chdir: path, out: wout, err: werr)
96 100
97 101 
         wout.close
98 102 
         werr.close

+ 24 - 5
spec/models/agents/shell_command_agent_spec.rb
查看文件 

@@ -5,15 +5,25 @@ describe Agents::ShellCommandAgent do
5 5 
     @valid_path = Dir.pwd
6 6
7 7 
     @valid_params = {
8 
-        :path  => @valid_path,
9 
-        :command  => "pwd",
10 
-        :expected_update_period_in_days => "1",
11 
-      }
8 
+      path: @valid_path,
9 
+      command: 'pwd',
10 
+      expected_update_period_in_days: '1',
11 
+    }
12 
+
13 
+    @valid_params2 = {
14 
+      path: @valid_path,
15 
+      command: [RbConfig.ruby, '-e', 'puts "hello, world."; STDERR.puts "warning!"'],
16 
+      expected_update_period_in_days: '1',
17 
+    }
12 18
13 
-    @checker = Agents::ShellCommandAgent.new(:name => "somename", :options => @valid_params)
19 
+    @checker = Agents::ShellCommandAgent.new(name: 'somename', options: @valid_params)
14 20 
     @checker.user = users(:jane)
15 21 
     @checker.save!
16 22
23 
+    @checker2 = Agents::ShellCommandAgent.new(name: 'somename2', options: @valid_params2)
24 
+    @checker2.user = users(:jane)
25 
+    @checker2.save!
26 
+
17 27 
     @event = Event.new
18 28 
     @event.agent = agents(:jane_weather_agent)
19 29 
     @event.payload = {
 
@@ -27,6 +37,7 @@ describe Agents::ShellCommandAgent do
27 37 
   describe "validation" do
28 38 
     before do
29 39 
       expect(@checker).to be_valid
40 
+      expect(@checker2).to be_valid
30 41 
     end
31 42
32 43 
     it "should validate presence of necessary fields" do
 
@@ -70,6 +81,14 @@ describe Agents::ShellCommandAgent do
70 81 
       expect(Event.last.payload[:output]).to eq("fake pwd output")
71 82 
     end
72 83
84 
+    it "should create an event when checking (unstubbed)" do
85 
+      expect { @checker2.check }.to change { Event.count }.by(1)
86 
+      expect(Event.last.payload[:path]).to eq(@valid_path)
87 
+      expect(Event.last.payload[:command]).to eq([RbConfig.ruby, '-e', 'puts "hello, world."; STDERR.puts "warning!"'])
88 
+      expect(Event.last.payload[:output]).to eq('hello, world.')
89 
+      expect(Event.last.payload[:errors]).to eq('warning!')
90 
+    end
91 
+
73 92 
     it "does not run when should_run? is false" do
74 93 
       stub(Agents::ShellCommandAgent).should_run? { false }
75 94 
       expect { @checker.check }.not_to change { Event.count }