Make entrypoint and command keys to be array of strings

lib/gitlab/ci/config/entry/image.rb

@@ -15,7 +15,7 @@ module Gitlab
             validates :config, allowed_keys: ALLOWED_KEYS
 
             validates :name, type: String, presence: true
-            validates :entrypoint, type: String, allow_nil: true
+            validates :entrypoint, array_of_strings: true, allow_nil: true
           end
 
           def hash?

lib/gitlab/ci/config/entry/service.rb

@@ -15,8 +15,8 @@ module Gitlab
             validates :config, allowed_keys: ALLOWED_KEYS
 
             validates :name, type: String, presence: true
-            validates :entrypoint, type: String, allow_nil: true
+            validates :entrypoint, array_of_strings: true, allow_nil: true
-            validates :command, type: String, allow_nil: true
+            validates :command, array_of_strings: true, allow_nil: true
             validates :alias, type: String, allow_nil: true
           end
 

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -598,8 +598,10 @@ module Ci
     describe "Image and service handling" do
       context "when extended docker configuration is used" do
         it "returns image and service when defined" do
-          config = YAML.dump({ image: { name: "ruby:2.1" },
+          config = YAML.dump({ image: { name: "ruby:2.1", entrypoint: ["/usr/local/bin/init", "run"] },
-                               services: ["mysql", { name: "docker:dind", alias: "docker" }],
+                               services: ["mysql", { name: "docker:dind", alias: "docker",
+                                                     entrypoint: ["/usr/local/bin/init", "run"],
+                                                     command: ["/usr/local/bin/init", "run"] }],
                                before_script: ["pwd"],
                                rspec: { script: "rspec" } })
 
@@ -614,8 +616,10 @@ module Ci
             coverage_regex: nil,
             tag_list: [],
             options: {
-                image: { name: "ruby:2.1" },
+                image: { name: "ruby:2.1", entrypoint: ["/usr/local/bin/init", "run"] },
-                services: [{ name: "mysql" }, { name: "docker:dind", alias: "docker" }]
+                services: [{ name: "mysql" },
+                           { name: "docker:dind", alias: "docker", entrypoint: ["/usr/local/bin/init", "run"],
+                             command: ["/usr/local/bin/init", "run"] }]
             },
             allow_failure: false,
             when: "on_success",
@@ -628,8 +632,11 @@ module Ci
           config = YAML.dump({ image: "ruby:2.1",
                                services: ["mysql"],
                                before_script: ["pwd"],
-                               rspec: { image: { name: "ruby:2.5" },
+                               rspec: { image: { name: "ruby:2.5", entrypoint: ["/usr/local/bin/init", "run"] },
-                                        services: [{ name: "postgresql", alias: "db-pg" }, "docker:dind"], script: "rspec" } })
+                                        services: [{ name: "postgresql", alias: "db-pg",
+                                                     entrypoint: ["/usr/local/bin/init", "run"],
+                                                     command: ["/usr/local/bin/init", "run"] }, "docker:dind"],
+                                        script: "rspec" } })
 
           config_processor = GitlabCiYamlProcessor.new(config, path)
 
@@ -642,8 +649,10 @@ module Ci
             coverage_regex: nil,
             tag_list: [],
             options: {
-                image: { name: "ruby:2.5" },
+                image: { name: "ruby:2.5", entrypoint: ["/usr/local/bin/init", "run"] },
-                services: [{ name: "postgresql", alias: "db-pg" }, { name: "docker:dind" }]
+                services: [{ name: "postgresql", alias: "db-pg", entrypoint: ["/usr/local/bin/init", "run"],
+                             command: ["/usr/local/bin/init", "run"]},
+                           { name: "docker:dind" }]
             },
             allow_failure: false,
             when: "on_success",

spec/lib/gitlab/ci/config/entry/image_spec.rb

@@ -38,7 +38,7 @@ describe Gitlab::Ci::Config::Entry::Image do
   end
 
   context 'when configuration is a hash' do
-    let(:config) { { name: 'ruby:2.2', entrypoint: '/bin/sh' } }
+    let(:config) { { name: 'ruby:2.2', entrypoint: ['/bin/sh', 'run'] } }
 
     describe '#value' do
       it 'returns image hash' do
@@ -66,7 +66,7 @@ describe Gitlab::Ci::Config::Entry::Image do
 
     describe '#entrypoint' do
       it "returns image's entrypoint" do
-        expect(entry.entrypoint).to eq '/bin/sh'
+        expect(entry.entrypoint).to eq ['/bin/sh', 'run']
       end
     end
   end

spec/lib/gitlab/ci/config/entry/service_spec.rb

@@ -43,7 +43,7 @@ describe Gitlab::Ci::Config::Entry::Service do
 
   context 'when configuration is a hash' do
     let(:config) do
-      { name: 'postgresql:9.5', alias: 'db', command: 'cmd', entrypoint: '/bin/sh' }
+      { name: 'postgresql:9.5', alias: 'db', command: ['cmd', 'run'], entrypoint: ['/bin/sh', 'run'] }
     end
 
     describe '#valid?' do
@@ -72,13 +72,13 @@ describe Gitlab::Ci::Config::Entry::Service do
 
     describe '#command' do
       it "returns service's command" do
-        expect(entry.command).to eq 'cmd'
+        expect(entry.command).to eq ['cmd', 'run']
       end
     end
 
     describe '#entrypoint' do
       it "returns service's entrypoint" do
-        expect(entry.entrypoint).to eq '/bin/sh'
+        expect(entry.entrypoint).to eq ['/bin/sh', 'run']
       end
     end
   end