[Elastic Agent] Ensure shell wrapper path exists on install. (#22144)

* Ensure wrapper path on install. * Add changelog.
elastic · Oct 27, 2020 · 5f83f60 · 5f83f60
1 parent f0da681
commit 5f83f60
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diff --git a/x-pack/elastic-agent/CHANGELOG.next.asciidoc b/x-pack/elastic-agent/CHANGELOG.next.asciidoc
@@ -23,6 +23,7 @@
 - Rename monitoring index from `elastic.agent` to `elastic_agent` {pull}21932[21932]
 - Fix issue with named pipes on Windows 7 {pull}21931[21931]
 - Fix missing elastic_agent event data {pull}21994[21994]
+- Ensure shell wrapper path exists before writing wrapper on install {pull}22144[22144]
 
 ==== New features
 

diff --git a/x-pack/elastic-agent/pkg/agent/install/install.go b/x-pack/elastic-agent/pkg/agent/install/install.go
@@ -53,7 +53,10 @@ func Install() error {
 
 	// place shell wrapper, if present on platform
 	if ShellWrapperPath != "" {
-		err = ioutil.WriteFile(ShellWrapperPath, []byte(ShellWrapper), 0755)
+		err = os.MkdirAll(filepath.Dir(ShellWrapperPath), 0755)
+		if err == nil {
+			err = ioutil.WriteFile(ShellWrapperPath, []byte(ShellWrapper), 0755)
+		}
 		if err != nil {
 			return errors.New(
 				err,