add comments for refresh

wbrowne · wbrowne · commit f6f317a93be5 · 2025-07-24T18:46:25.000+01:00
diff --git a/backend/instancemgmt/intance_manager_ttl.go b/backend/instancemgmt/intance_manager_ttl.go
@@ -69,6 +69,7 @@ func (im *instanceManagerWithTTL) Get(ctx context.Context, pluginContext backend
 		needsUpdate := im.provider.NeedsUpdate(ctx, pluginContext, ci)
 
 		if !needsUpdate {
+			// SetDefault() creates a new cache entry with fresh TTL, effectively extending the instance's lifetime.
 			im.cache.SetDefault(cacheKey, ci)
 			return ci.instance, nil
 		}
@@ -82,6 +83,7 @@ func (im *instanceManagerWithTTL) Get(ctx context.Context, pluginContext backend
 		needsUpdate := im.provider.NeedsUpdate(ctx, pluginContext, ci)
 
 		if !needsUpdate {
+			// SetDefault() creates a new cache entry with fresh TTL, effectively extending the instance's lifetime.
 			im.cache.SetDefault(cacheKey, ci)
 			return ci.instance, nil
 		}

Original file line number	Diff line number	Diff line change
`@@ -69,6 +69,7 @@ func (im *instanceManagerWithTTL) Get(ctx context.Context, pluginContext backend`
`69`	`69`	`needsUpdate := im.provider.NeedsUpdate(ctx, pluginContext, ci)`
`70`	`70`
`71`	`71`	`if !needsUpdate {`
	`72`	`+ // SetDefault() creates a new cache entry with fresh TTL, effectively extending the instance's lifetime.`
`72`	`73`	`im.cache.SetDefault(cacheKey, ci)`
`73`	`74`	`return ci.instance, nil`
`74`	`75`	`}`
`@@ -82,6 +83,7 @@ func (im *instanceManagerWithTTL) Get(ctx context.Context, pluginContext backend`
`82`	`83`	`needsUpdate := im.provider.NeedsUpdate(ctx, pluginContext, ci)`
`83`	`84`
`84`	`85`	`if !needsUpdate {`
	`86`	`+ // SetDefault() creates a new cache entry with fresh TTL, effectively extending the instance's lifetime.`
`85`	`87`	`im.cache.SetDefault(cacheKey, ci)`
`86`	`88`	`return ci.instance, nil`
`87`	`89`	`}`