test(stapel): importing of symlink file and directory

Signed-off-by: Alexey Igrychev <alexey.igrychev@flant.com>

go.sum

@@ -2053,8 +2053,6 @@ github.com/werf/copy-recurse v0.2.4 h1:kEyGUKhgS8WdEOjInNQKgk4lqPWzP2AgR27F3dcGs
 github.com/werf/copy-recurse v0.2.4/go.mod h1:KVHSQ90p19xflWW0B7BJhLBwmSbEtuxIaBnjlUYRPhk=
 github.com/werf/helm v0.0.0-20210202111118-81e74d46da0f h1:81YscYTF9mmTf0ULOsCmm42YWQp+qWDzWi1HjWniZrg=
 github.com/werf/helm v0.0.0-20210202111118-81e74d46da0f/go.mod h1:OMONwLWU9zEENgaVjWEX+M+xik2QakejzKHG1+6mnUo=
-github.com/werf/kubedog v0.9.1 h1:TLXttYA2Doiu0ehPqV0nPNc+LkLnC7SpgX6Nhq4zGAw=
-github.com/werf/kubedog v0.9.1/go.mod h1:MIvQv19uLxcZMwATRE4sOtfUy36o99oBqmlXPk30U+A=
 github.com/werf/kubedog v0.9.3 h1:+m7SIuLuYvvo1RW1Ap9N5vWZkUKkBS5TscTo8I2p/2k=
 github.com/werf/kubedog v0.9.3/go.mod h1:MIvQv19uLxcZMwATRE4sOtfUy36o99oBqmlXPk30U+A=
 github.com/werf/lockgate v0.0.0-20200729113342-ec2c142f71ea h1:R5tJUhL5a3YfHTrHWyuAdJW3h//fmONrpHJjjAZ79e4=

integration/suites/build/stapel_image/imports/_fixtures/imports_app_3/001/werf.yaml

@@ -0,0 +1,18 @@
+project: none
+configVersion: 1
+---
+artifact: artifact
+from: ubuntu:18.04
+shell:
+  setup:
+    - mkdir -p /app
+    - echo VERSION_1 > /app/file
+    - ln -s /app /link_dir
+---
+image: app
+from: alpine
+import:
+  - artifact: artifact
+    add: /link_dir
+    to: /dir
+    after: install

integration/suites/build/stapel_image/imports/_fixtures/imports_app_3/002/werf.yaml

@@ -0,0 +1,18 @@
+project: none
+configVersion: 1
+---
+artifact: artifact
+from: ubuntu:18.04
+shell:
+  setup:
+    - mkdir -p /app
+    - echo VERSION_2 > /app/file
+    - ln -s /app /link_dir
+---
+image: app
+from: alpine
+import:
+  - artifact: artifact
+    add: /link_dir
+    to: /dir
+    after: install

integration/suites/build/stapel_image/imports/_fixtures/imports_app_4/001/werf.yaml

@@ -0,0 +1,18 @@
+project: none
+configVersion: 1
+---
+artifact: artifact
+from: ubuntu:18.04
+shell:
+  setup:
+    - mkdir -p /app
+    - echo VERSION_1 > /app/file
+    - ln -s /app/file /link_file
+---
+image: app
+from: alpine
+import:
+  - artifact: artifact
+    add: /link_file
+    to: /file
+    before: install

integration/suites/build/stapel_image/imports/_fixtures/imports_app_4/002/werf.yaml

@@ -0,0 +1,18 @@
+project: none
+configVersion: 1
+---
+artifact: artifact
+from: ubuntu:18.04
+shell:
+  setup:
+    - mkdir -p /app
+    - echo VERSION_2 > /app/file
+    - ln -s /app/file /link_file
+---
+image: app
+from: alpine
+import:
+  - artifact: artifact
+    add: /link_file
+    to: /file
+    before: install

integration/suites/build/stapel_image/imports/imports_test.go

@@ -106,6 +106,38 @@ var _ = Describe("Stapel imports", func() {
 				}
 			}
 		})
+
+		It("should import artifacts from directory to which the symlink points", func() {
+			for stepInd := 1; stepInd <= 2; stepInd++ {
+				stepID := fmt.Sprintf("00%d", stepInd)
+				stepDir := utils.FixturePath("imports_app_3", stepID)
+				SuiteData.CommitProjectWorktree(SuiteData.ProjectName, stepDir, stepID)
+
+				Expect(werfBuild(SuiteData.GetProjectWorktree(SuiteData.ProjectName), liveexec.ExecCommandOptions{})).To(Succeed())
+
+				expectedStepFileContent := fmt.Sprintf("VERSION_%d\n", stepInd)
+				destFilePath := "/dir/file"
+				Expect(werfRunOutput(SuiteData.GetProjectWorktree(SuiteData.ProjectName), "cat", destFilePath)).To(ContainSubstring(expectedStepFileContent))
+			}
+		})
+
+		It("should import symlink file", func() {
+			By("Check the symlink is added")
+			var lastStageImageNameAfterFirstBuild string
+			{
+				SuiteData.CommitProjectWorktree(SuiteData.ProjectName, utils.FixturePath("imports_app_4", "001"), "001")
+				Expect(werfBuild(SuiteData.GetProjectWorktree(SuiteData.ProjectName), liveexec.ExecCommandOptions{})).To(Succeed())
+				Expect(werfRunOutput(SuiteData.GetProjectWorktree(SuiteData.ProjectName), "readlink", "/file")).To(ContainSubstring("/app/file"))
+				lastStageImageNameAfterFirstBuild = utils.GetBuiltImageLastStageImageName(SuiteData.GetProjectWorktree(SuiteData.ProjectName), SuiteData.WerfBinPath, "app")
+			}
+
+			By("Check nothing happens when the file to which the symlink points is changed")
+			{
+				Expect(werfBuild(SuiteData.GetProjectWorktree(SuiteData.ProjectName), liveexec.ExecCommandOptions{})).To(Succeed())
+				lastStageImageNameAfterSecondBuild := utils.GetBuiltImageLastStageImageName(SuiteData.GetProjectWorktree(SuiteData.ProjectName), SuiteData.WerfBinPath, "app")
+				Expect(lastStageImageNameAfterFirstBuild).To(BeEquivalentTo(lastStageImageNameAfterSecondBuild))
+			}
+		})
 	})
 
 	Context("caching by import source checksum", func() {