Added a stubbed out logs command

cmd/helm/logs.go

@@ -0,0 +1,134 @@
+/*
+Copyright 2016 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"fmt"
+	"io"
+	"regexp"
+	"text/tabwriter"
+
+	"github.com/gosuri/uitable"
+	"github.com/gosuri/uitable/util/strutil"
+	"github.com/spf13/cobra"
+
+	"k8s.io/helm/pkg/helm"
+	"k8s.io/helm/pkg/proto/hapi/release"
+	"k8s.io/helm/pkg/proto/hapi/services"
+	"k8s.io/helm/pkg/timeconv"
+)
+
+var statusHelp = `
+This command shows the status of a named release.
+The status consists of:
+- last deployment time
+- k8s namespace in which the release lives
+- state of the release (can be: UNKNOWN, DEPLOYED, DELETED, SUPERSEDED, FAILED or DELETING)
+- list of resources that this release consists of, sorted by kind
+- details on last test suite run, if applicable
+- additional notes provided by the chart
+`
+
+type statusCmd struct {
+	release string
+	out     io.Writer
+	client  helm.Interface
+	version int32
+}
+
+func newStatusCmd(client helm.Interface, out io.Writer) *cobra.Command {
+	status := &statusCmd{
+		out:    out,
+		client: client,
+	}
+
+	cmd := &cobra.Command{
+		Use:               "status [flags] RELEASE_NAME",
+		Short:             "displays the status of the named release",
+		Long:              statusHelp,
+		PersistentPreRunE: setupConnection,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if len(args) == 0 {
+				return errReleaseRequired
+			}
+			status.release = args[0]
+			if status.client == nil {
+				status.client = helm.NewClient(helm.Host(settings.TillerHost))
+			}
+			return status.run()
+		},
+	}
+
+	cmd.PersistentFlags().Int32Var(&status.version, "revision", 0, "if set, display the status of the named release with revision")
+
+	return cmd
+}
+
+func (s *statusCmd) run() error {
+	res, err := s.client.ReleaseStatus(s.release, helm.StatusReleaseVersion(s.version))
+	if err != nil {
+		return prettyError(err)
+	}
+
+	PrintStatus(s.out, res)
+	return nil
+}
+
+// PrintStatus prints out the status of a release. Shared because also used by
+// install / upgrade
+func PrintStatus(out io.Writer, res *services.GetReleaseStatusResponse) {
+	if res.Info.LastDeployed != nil {
+		fmt.Fprintf(out, "LAST DEPLOYED: %s\n", timeconv.String(res.Info.LastDeployed))
+	}
+	fmt.Fprintf(out, "NAMESPACE: %s\n", res.Namespace)
+	fmt.Fprintf(out, "STATUS: %s\n", res.Info.Status.Code)
+	fmt.Fprintf(out, "\n")
+	if len(res.Info.Status.Resources) > 0 {
+		re := regexp.MustCompile("  +")
+
+		w := tabwriter.NewWriter(out, 0, 0, 2, ' ', tabwriter.TabIndent)
+		fmt.Fprintf(w, "RESOURCES:\n%s\n", re.ReplaceAllString(res.Info.Status.Resources, "\t"))
+		w.Flush()
+	}
+	if res.Info.Status.LastTestSuiteRun != nil {
+		lastRun := res.Info.Status.LastTestSuiteRun
+		fmt.Fprintf(out, "TEST SUITE:\n%s\n%s\n\n%s\n",
+			fmt.Sprintf("Last Started: %s", timeconv.String(lastRun.StartedAt)),
+			fmt.Sprintf("Last Completed: %s", timeconv.String(lastRun.CompletedAt)),
+			formatTestResults(lastRun.Results))
+	}
+
+	if len(res.Info.Status.Notes) > 0 {
+		fmt.Fprintf(out, "NOTES:\n%s\n", res.Info.Status.Notes)
+	}
+}
+
+func formatTestResults(results []*release.TestRun) string {
+	tbl := uitable.New()
+	tbl.MaxColWidth = 50
+	tbl.AddRow("TEST", "STATUS", "INFO", "STARTED", "COMPLETED")
+	for i := 0; i < len(results); i++ {
+		r := results[i]
+		n := r.Name
+		s := strutil.PadRight(r.Status.String(), 10, ' ')
+		i := r.Info
+		ts := timeconv.String(r.StartedAt)
+		tc := timeconv.String(r.CompletedAt)
+		tbl.AddRow(n, s, i, ts, tc)
+	}
+	return tbl.String()
+}