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Clean up Kibana, remove Elasticsearch loading and 5.x version #10451

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merged 2 commits into from
Jan 31, 2019
Merged

Clean up Kibana, remove Elasticsearch loading and 5.x version #10451

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0d23a11
Clean up Kibana, remove Elasticsearch loading and 5.x version
ruflin Jan 31, 2019
50b437c
make hound happy
ruflin Jan 31, 2019
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7 changes: 1 addition & 6 deletions libbeat/cmd/instance/beat.go
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Original file line number Diff line number Diff line change
Expand Up @@ -705,13 +705,8 @@ func (b *Beat) loadDashboards(ctx context.Context, force bool) error {
}

if b.Config.Dashboards.Enabled() {
var esConfig *common.Config

if b.Config.Output.Name() == "elasticsearch" {
esConfig = b.Config.Output.Config()
}
err := dashboards.ImportDashboards(ctx, b.Info.Beat, b.Info.Hostname, paths.Resolve(paths.Home, ""),
b.Config.Kibana, esConfig, b.Config.Dashboards, nil)
b.Config.Kibana, b.Config.Dashboards, nil)
if err != nil {
return errw.Wrap(err, "Error importing Kibana dashboards")
}
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87 changes: 3 additions & 84 deletions libbeat/dashboards/dashboards.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,23 +28,11 @@ import (
"github.com/elastic/beats/libbeat/common"
)

type importMethod uint8

// check import route
const (
importNone importMethod = iota
importViaKibana
importViaES
)

// ImportDashboards tries to import the kibana dashboards.
// If the Elastic Stack is at version 6.0+, the dashboards should be installed
// via the kibana dashboard loader plugin. For older versions of the Elastic Stack
// we write the dashboards directly into the .kibana index.
func ImportDashboards(
ctx context.Context,
beatName, hostname, homePath string,
kibanaConfig, esConfig, dashboardsConfig *common.Config,
kibanaConfig, dashboardsConfig *common.Config,
msgOutputter MessageOutputter,
) error {
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Does it need an entry in the developers changelog?

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yes, will add one in my follow up PR.

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added here https://github.com/elastic/beats/pull/10450/files#diff-1fe0dd8effe994b42e3556845a93a32eR23

if dashboardsConfig == nil || !dashboardsConfig.Enabled() {
Expand All @@ -65,61 +53,12 @@ func ImportDashboards(
kibanaConfig = common.NewConfig()
}

if esConfig.Enabled() {
username, _ := esConfig.String("username", -1)
password, _ := esConfig.String("password", -1)

if !kibanaConfig.HasField("username") && username != "" {
kibanaConfig.SetString("username", -1, username)
}
if !kibanaConfig.HasField("password") && password != "" {
kibanaConfig.SetString("password", -1, password)
}
}

var esLoader *ElasticsearchLoader

importVia := importNone
useKibana := importViaKibana
if !kibanaConfig.Enabled() {
useKibana = importNone
return errors.New("kibana configuration missing for loading dashboards.")
}

requiresKibana := dashConfig.AlwaysKibana || !esConfig.Enabled()
if requiresKibana {
importVia = useKibana
} else {
// Check import route via elasticsearch version. If Elasticsearch major
// version is >6, we assume Kibana also being at versions >6.0. In this
// case dashboards will be imported using the new kibana dashboard loader
// plugin.
// XXX(urso): Why do we test the Elasticsearch version? If kibana is
// configured, why not test the kibana version and plugin
// availability first?
esLoader, err = NewElasticsearchLoader(esConfig, &dashConfig, msgOutputter)
if err != nil {
return fmt.Errorf("fail to create the Elasticsearch loader: %v", err)
}
defer esLoader.Close()

esLoader.statusMsg("Elasticsearch URL %v", esLoader.client.Connection.URL)

if esLoader.version.Major < 6 {
importVia = importViaES
} else {
importVia = useKibana
}
}
return setupAndImportDashboardsViaKibana(ctx, hostname, kibanaConfig, &dashConfig, msgOutputter)

// Try to import dashboards.
switch importVia {
case importViaES:
return ImportDashboardsViaElasticsearch(esLoader)
case importViaKibana:
return setupAndImportDashboardsViaKibana(ctx, hostname, kibanaConfig, &dashConfig, msgOutputter)
default:
return errors.New("Elasticsearch or Kibana configuration missing for loading dashboards.")
}
}

func setupAndImportDashboardsViaKibana(ctx context.Context, hostname string, kibanaConfig *common.Config,
Expand Down Expand Up @@ -159,26 +98,6 @@ func ImportDashboardsViaKibana(kibanaLoader *KibanaLoader) error {
return nil
}

func ImportDashboardsViaElasticsearch(esLoader *ElasticsearchLoader) error {

if err := esLoader.CreateKibanaIndex(); err != nil {
return fmt.Errorf("fail to create the kibana index: %v", err)
}

version, _ := common.NewVersion("5.0.0")

importer, err := NewImporter(*version, esLoader.config, esLoader)
if err != nil {
return fmt.Errorf("fail to create an Elasticsearch importer for loading the dashboards: %v", err)
}

if err := importer.Import(); err != nil {
return fmt.Errorf("fail to import the dashboards in Elasticsearch: %v", err)
}

return nil
}

func isKibanaAPIavailable(version common.Version) bool {
return (version.Major == 5 && version.Minor >= 6) || version.Major >= 6
}
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