exec/engine: log to journal only when available

Alpine Linux does not include systemd’s journal, which causes Ignition to emit warnings when attempting to log. This PR introduces a check to determine if the journal is available on the current distribution, and skips logging to the journal when it is not present. Signed-off-by: Kevin Cui <[email protected]>
coreos · Oct 24, 2024 · f98f1ef · f98f1ef
1 parent 9871e7c
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diff --git a/docs/release-notes.md b/docs/release-notes.md
@@ -22,6 +22,7 @@ nav_order: 9
 - Fix network race when phoning home on Equinix Metal
 - Fix Akamai Ignition base64 decoding on padded payloads
 - Fix Makefile GOARCH for loongarch64 ([#1942](https://github.com/coreos/ignition/pull/1942))
+- Fix Alpine distro print journal not beging available warn ([#1955](https://github.com/coreos/ignition/pull/1955))
 
 ## Ignition 2.19.0 (2024-06-05)
 

diff --git a/internal/exec/engine.go b/internal/exec/engine.go
@@ -179,7 +179,7 @@ func (e *Engine) acquireConfig(stageName string) (cfg types.Config, err error) {
 		cfg, err = e.acquireProviderConfig()
 
 		// if we've successfully fetched and cached the configs, log about them
-		if err == nil {
+		if err == nil && journal.Enabled() {
 			for _, cfgInfo := range e.State.FetchedConfigs {
 				if logerr := logStructuredJournalEntry(cfgInfo); logerr != nil {
 					e.Logger.Info("failed to log systemd journal entry: %v", logerr)