Add "tags" field to configuration and registration request (#443)

* Add "tags" field to configuration and registration request

* Add tags to example config file

Author: thll

api/graylog.go

@@ -145,6 +145,8 @@ func UpdateRegistration(httpClient *http.Client, checksum string, ctx *context.C
 
 	registration.NodeName = ctx.UserConfig.NodeName
 	registration.NodeDetails.OperatingSystem = common.GetSystemName()
+	registration.NodeDetails.Tags = ctx.UserConfig.Tags
+
 	if ctx.UserConfig.SendStatus {
 		metrics := &graylog.MetricsRequest{
 			Disks75: common.GetFileSystemList75(),

api/graylog/requests.go

@@ -30,6 +30,7 @@ type NodeDetailsRequest struct {
 	LogFileList     []common.File   `json:"log_file_list,omitempty"`
 	Metrics         *MetricsRequest `json:"metrics,omitempty"`
 	Status          *StatusRequest  `json:"status,omitempty"`
+	Tags            []string        `json:"tags,omitempty"`
 }
 
 type StatusRequestBackend struct {

cfgfile/schema.go

@@ -36,6 +36,7 @@ type SidecarConfig struct {
 	ListLogFiles                     []string      `config:"list_log_files"`
 	CollectorBinariesWhitelist       []string      `config:"collector_binaries_whitelist"`
 	CollectorBinariesAccesslist      []string      `config:"collector_binaries_accesslist"`
+	Tags                             []string      `config:"tags"`
 }
 
 // Default Sidecar configuration
@@ -68,6 +69,7 @@ collector_binaries_accesslist:
   - "/usr/share/journalbeat/bin/journalbeat"
   - "/usr/bin/nxlog"
   - "/opt/nxlog/bin/nxlog"
+tags: []
 `
 
 // Windows specific options. Gets merged over `CommonDefaults`

sidecar-example.yml

@@ -62,6 +62,13 @@ server_api_token: ""
 # Directory where the sidecar generates configurations for collectors.
 #collector_configuration_directory: "/var/lib/graylog-sidecar/generated"
 
+# A list of tags to assign to this sidecar. Collector configuration matching any of these tags will automatically be
+# applied to the sidecar.
+# Example:
+#    tags:
+#    - apache-logs
+#    - dns-logs
+
 # A list of binaries which are allowed to be executed by the Sidecar. An empty list disables the access list feature.
 # Wildcards can be used, for a full pattern description see https://golang.org/pkg/path/filepath/#Match
 # Example: