Allow the operator to be configured from a file

NOTICE.txt

@@ -305,6 +305,44 @@ Contents of probable licence file $GOMODCACHE/github.com/elastic/go-ucfg@v0.8.3/
    limitations under the License.
 
 
+--------------------------------------------------------------------------------
+Module  : github.com/fsnotify/fsnotify
+Version : v1.4.9
+Time    : 2020-03-11T17:35:18Z
+Licence : BSD-3-Clause
+
+Contents of probable licence file $GOMODCACHE/github.com/fsnotify/fsnotify@v1.4.9/LICENSE:
+
+Copyright (c) 2012 The Go Authors. All rights reserved.
+Copyright (c) 2012-2019 fsnotify Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
 --------------------------------------------------------------------------------
 Module  : github.com/ghodss/yaml
 Version : v1.0.0
@@ -12000,44 +12038,6 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 
---------------------------------------------------------------------------------
-Module  : github.com/fsnotify/fsnotify
-Version : v1.4.9
-Time    : 2020-03-11T17:35:18Z
-Licence : BSD-3-Clause
-
-Contents of probable licence file $GOMODCACHE/github.com/fsnotify/fsnotify@v1.4.9/LICENSE:
-
-Copyright (c) 2012 The Go Authors. All rights reserved.
-Copyright (c) 2012-2019 fsnotify Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
 --------------------------------------------------------------------------------
 Module  : github.com/globalsign/mgo
 Version : v0.0.0-20181015135952-eeefdecb41b8

cmd/main.go

@@ -6,25 +6,26 @@ package main
 
 import (
 	"github.com/elastic/cloud-on-k8s/cmd/manager"
+	"github.com/elastic/cloud-on-k8s/pkg/about"
 	"github.com/elastic/cloud-on-k8s/pkg/dev"
-	"github.com/elastic/cloud-on-k8s/pkg/utils/log"
 	"github.com/spf13/cobra"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
-	logf "sigs.k8s.io/controller-runtime/pkg/log"
 )
 
 func main() {
-	var rootCmd = &cobra.Command{Use: "elastic-operator"}
-	rootCmd.AddCommand(manager.Cmd)
+	buildInfo := about.GetBuildInfo()
+
+	rootCmd := &cobra.Command{
+		Use:          "elastic-operator",
+		Short:        "Elastic Cloud on Kubernetes (ECK) operator",
+		Version:      buildInfo.VersionString(),
+		SilenceUsage: true,
+	}
+	rootCmd.AddCommand(manager.Command())
+
 	// development mode is only available as a command line flag to avoid accidentally enabling it
 	rootCmd.PersistentFlags().BoolVar(&dev.Enabled, "development", false, "turns on development mode")
-	log.BindFlags(rootCmd.PersistentFlags())
+	_ = rootCmd.PersistentFlags().MarkHidden("development")
 
-	cobra.OnInitialize(func() {
-		log.InitLogger()
-	})
-
-	if err := rootCmd.Execute(); err != nil {
-		logf.Log.WithName("main").Error(err, "Unexpected error while executing command")
-	}
+	_ = rootCmd.Execute()
 }