feat: Tolerate collector failures (#1769)

Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>

internal/collector/mscluster/mscluster.go

@@ -42,6 +42,7 @@ type Config struct {
 	CollectorsEnabled []string `yaml:"collectors_enabled"`
 }
 
+//nolint:gochecknoglobals
 var ConfigDefaults = Config{
 	CollectorsEnabled: []string{
 		subCollectorCluster,

internal/collector/mscluster/mscluster_cluster.go

@@ -662,6 +662,11 @@ func (c *Collector) buildCluster() error {
 		nil,
 	)
 
+	var dst []msClusterCluster
+	if err := c.miSession.Query(&dst, mi.NamespaceRootMSCluster, c.clusterMIQuery); err != nil {
+		return fmt.Errorf("WMI query failed: %w", err)
+	}
+
 	return nil
 }
 

internal/collector/mscluster/mscluster_network.go

@@ -86,6 +86,12 @@ func (c *Collector) buildNetwork() error {
 		nil,
 	)
 
+	var dst []msClusterNetwork
+
+	if err := c.miSession.Query(&dst, mi.NamespaceRootMSCluster, c.networkMIQuery); err != nil {
+		return fmt.Errorf("WMI query failed: %w", err)
+	}
+
 	return nil
 }
 

internal/collector/mscluster/mscluster_node.go

@@ -158,6 +158,12 @@ func (c *Collector) buildNode() error {
 		nil,
 	)
 
+	var dst []msClusterNode
+
+	if err := c.miSession.Query(&dst, mi.NamespaceRootMSCluster, c.nodeMIQuery); err != nil {
+		return fmt.Errorf("WMI query failed: %w", err)
+	}
+
 	return nil
 }
 

internal/collector/mscluster/mscluster_resource.go

@@ -190,6 +190,12 @@ func (c *Collector) buildResource() error {
 		nil,
 	)
 
+	var dst []msClusterResource
+
+	if err := c.miSession.Query(&dst, mi.NamespaceRootMSCluster, c.resourceMIQuery); err != nil {
+		return fmt.Errorf("WMI query failed: %w", err)
+	}
+
 	return nil
 }
 

internal/collector/mscluster/mscluster_resourcegroup.go

@@ -164,6 +164,12 @@ func (c *Collector) buildResourceGroup() error {
 		nil,
 	)
 
+	var dst []msClusterResourceGroup
+
+	if err := c.miSession.Query(&dst, mi.NamespaceRootMSCluster, c.resourceGroupMIQuery); err != nil {
+		return fmt.Errorf("WMI query failed: %w", err)
+	}
+
 	return nil
 }