Fix process type parsing (#912)

* Use the last part of the path when trying to find matching process. (#903) * Use the last part of the path when trying to find matching process. The process was comparing the base path minus the extension, which was blocking types with a `.` in them from ever matching. Fixes #895 Signed-off-by: Jesse Brown <[email protected]> * fixup! Use the last part of the path when trying to find matching process. Signed-off-by: Jesse Brown <[email protected]> * fixup! Use the last part of the path when trying to find matching process. Signed-off-by: Jesse Brown <[email protected]> * fixup! Use the last part of the path when trying to find matching process. Signed-off-by: Jesse Brown <[email protected]> * fixup! Use the last part of the path when trying to find matching process. Signed-off-by: Jesse Brown <[email protected]> * fixup! Use the last part of the path when trying to find matching process. Signed-off-by: Jesse Brown <[email protected]> * fixup! Use the last part of the path when trying to find matching process. Signed-off-by: Jesse Brown <[email protected]> * Upgrade go to 1.18 (#907) * Use go 1.18 in CI * Bump deps (except toml) Signed-off-by: Natalie Arellano <[email protected]> * Test path lookup (#909) Signed-off-by: Natalie Arellano <[email protected]> Signed-off-by: Natalie Arellano <[email protected]> * Revert "Merge branch 'release/0.14.2' into jab/fix-process-type-parsing" This reverts commit 6f56a31, reversing changes made to e544937. Signed-off-by: Jesse Brown <[email protected]> Signed-off-by: Natalie Arellano <[email protected]> Co-authored-by: Natalie Arellano <[email protected]> * Bump imgutil Signed-off-by: Natalie Arellano <[email protected]> Signed-off-by: Jesse Brown <[email protected]> Signed-off-by: Natalie Arellano <[email protected]> Co-authored-by: Jesse Brown <[email protected]>
buildpacks · Sep 14, 2022 · 8241b13 · 8241b13
1 parent df06171
commit 8241b13
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Showing 11 changed files with 70 additions and 6 deletions.
diff --git a/acceptance/launcher_test.go b/acceptance/launcher_test.go
@@ -76,6 +76,16 @@ func testLauncher(t *testing.T, when spec.G, it spec.S) {
 				assertOutput(t, cmd, "Executing web process-type")
 			})
 
+			when("process contains a period", func() {
+				it("launches that process", func() {
+					cmd := exec.Command("docker", "run", "--rm",
+						"--entrypoint=process.with.period"+exe,
+						"--env=CNB_PLATFORM_API="+latestPlatformAPI,
+						launchImage)
+					assertOutput(t, cmd, "Executing process.with.period process-type")
+				})
+			})
+
 			it("appends any args to the process args", func() {
 				cmd := exec.Command("docker", "run", "--rm",
 					"--entrypoint=web",

diff --git a/acceptance/testdata/launcher/linux/container/cnb/process/process.with.period b/acceptance/testdata/launcher/linux/container/cnb/process/process.with.period
@@ -0,0 +1 @@
+../lifecycle/launcher
diff --git a/acceptance/testdata/launcher/linux/container/layers/config/metadata.toml b/acceptance/testdata/launcher/linux/container/layers/config/metadata.toml
@@ -74,3 +74,10 @@
   args = ["$WORKER_VAR"]
   direct = false
   buildpack-id = "0.4/buildpack"
+
+[[processes]]
+  type = "process.with.period"
+  command = "echo"
+  args = ["Executing process.with.period process-type"]
+  direct = false
+  buildpack-id = "0.4/buildpack"
diff --git a/acceptance/testdata/launcher/windows/container/cnb/process/process.with.period.exe b/acceptance/testdata/launcher/windows/container/cnb/process/process.with.period.exe
@@ -0,0 +1 @@
+../lifecycle/launcher.exe
diff --git a/acceptance/testdata/launcher/windows/container/layers/config/metadata.toml b/acceptance/testdata/launcher/windows/container/layers/config/metadata.toml
@@ -49,3 +49,10 @@
   args = ["/c", "echo VAR_FROM_EXEC_D: %VAR_FROM_EXEC_D%"]
   direct = false
   buildpack-id = "0.5/buildpack"
+
+[[processes]]
+  type = "process.with.period"
+  command = "echo"
+  direct = false
+  args = ["Executing", "process.with.period", "process-type"]
+  buildpack-id = "some/buildpack"
diff --git a/cmd/launcher/cli/launcher.go b/cmd/launcher/cli/launcher.go
@@ -62,9 +62,11 @@ func defaultProcessType(platformAPI *api.Version, launchMD launch.Metadata) stri
 		cmd.DefaultLogger.Warnf("CNB_PROCESS_TYPE is not supported in Platform API %s", platformAPI)
 		cmd.DefaultLogger.Warnf("Run with ENTRYPOINT '%s' to invoke the '%s' process type", pType, pType)
 	}
-	process := strings.TrimSuffix(filepath.Base(os.Args[0]), filepath.Ext(os.Args[0]))
-	if _, ok := launchMD.FindProcessType(process); ok {
-		return process
+
+	_, process := filepath.Split(os.Args[0])
+	processType := strings.TrimSuffix(process, platform.DefaultExecExt)
+	if _, ok := launchMD.FindProcessType(processType); ok {
+		return processType
 	}
 	return ""
 }

diff --git a/go.mod b/go.mod
@@ -4,7 +4,7 @@ require (
 	github.com/BurntSushi/toml v1.1.0
 	github.com/apex/log v1.9.0
 	github.com/awslabs/amazon-ecr-credential-helper/ecr-login v0.0.0-20220906183739-a13b39e9d86d
-	github.com/buildpacks/imgutil v0.0.0-20220805205524-56137f75e24d
+	github.com/buildpacks/imgutil v0.0.0-20220913203928-6accc39f0cf9
 	github.com/chrismellard/docker-credential-acr-env v0.0.0-20220327082430-c57b701bfc08
 	github.com/docker/docker v20.10.18+incompatible
 	github.com/golang/mock v1.6.0

diff --git a/go.sum b/go.sum
@@ -164,8 +164,8 @@ github.com/bkielbasa/cyclop v1.2.0/go.mod h1:qOI0yy6A7dYC4Zgsa72Ppm9kONl0RoIlPbz
 github.com/blizzy78/varnamelen v0.3.0/go.mod h1:hbwRdBvoBqxk34XyQ6HA0UH3G0/1TKuv5AC4eaBT0Ec=
 github.com/bombsimon/wsl/v3 v3.3.0/go.mod h1:st10JtZYLE4D5sC7b8xV4zTKZwAQjCH/Hy2Pm1FNZIc=
 github.com/breml/bidichk v0.1.1/go.mod h1:zbfeitpevDUGI7V91Uzzuwrn4Vls8MoBMrwtt78jmso=
-github.com/buildpacks/imgutil v0.0.0-20220805205524-56137f75e24d h1:06r2+NQ34WRTcqshXDvaQqOSeFDa8QPlxmClEYPdYCY=
-github.com/buildpacks/imgutil v0.0.0-20220805205524-56137f75e24d/go.mod h1:S2RQzj190M80SV4VbpoCxeyoVYKjRN8qcIPLXEWNuF0=
+github.com/buildpacks/imgutil v0.0.0-20220913203928-6accc39f0cf9 h1:44evShMGyqmWmuy/w6mD2wsuHsIMldOcptV4LjC2MjM=
+github.com/buildpacks/imgutil v0.0.0-20220913203928-6accc39f0cf9/go.mod h1:YeEEHF5p5VpTAoVbf8pZ5peFuz50TrElzsNpeNELqgA=
 github.com/butuzov/ireturn v0.1.1/go.mod h1:Wh6Zl3IMtTpaIKbmwzqi6olnM9ptYQxxVacMsOEFPoc=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=

diff --git a/platform/launch/defaults.go b/platform/launch/defaults.go
@@ -0,0 +1,21 @@
+package launch
+
+import "path/filepath"
+
+const (
+	EnvAppDir      = "CNB_APP_DIR"
+	EnvLayersDir   = "CNB_LAYERS_DIR"
+	EnvNoColor     = "CNB_NO_COLOR" // defaults to false
+	EnvPlatformAPI = "CNB_PLATFORM_API"
+	EnvProcessType = "CNB_PROCESS_TYPE"
+
+	DefaultPlatformAPI = "0.3"
+	DefaultProcessType = "web"
+
+	DefaultExecExt = execExt
+)
+
+var (
+	DefaultAppDir    = filepath.Join(rootDir, "workspace")
+	DefaultLayersDir = filepath.Join(rootDir, "layers")
+)
diff --git a/platform/launch/defaults_unix.go b/platform/launch/defaults_unix.go
@@ -0,0 +1,9 @@
+//go:build linux || darwin
+// +build linux darwin
+
+package launch
+
+const (
+	execExt = ""
+	rootDir = "/"
+)
diff --git a/platform/launch/defaults_windows.go b/platform/launch/defaults_windows.go
@@ -0,0 +1,6 @@
+package launch
+
+const (
+	execExt = ".exe"
+	rootDir = `c:\`
+)