Annotee: Export Coordinator link generator.

logdog/client/annotee/link_generator.go

+// Copyright 2017 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package annotee
+
+import (
+        "github.com/luci/luci-go/logdog/common/types"
+        "github.com/luci/luci-go/logdog/common/viewer"
+        "github.com/luci/luci-go/luci_config/common/cfgtypes"
+)
+
+// LinkGenerator generates links for a given log stream.
+type LinkGenerator interface {
+        // GetLink returns a link for the specified aggregate streams.

[nodir, 2017/02/28 00:22:38]

typo

[dnj, 2017/02/28 00:24:43]

Acknowledged.

+        //
+        // If no link could be generated, GetLink may return an empty string.
+        GetLink(name ...types.StreamName) string
+}
+
+// CoordinatorLinkGenerator is a LinkGenerator implementation
+type CoordinatorLinkGenerator struct {
+        Host    string
+        Project cfgtypes.ProjectName
+        Prefix  types.StreamName
+}
+
+// CanGenerateLinks returns true if g is sufficiently configured to generate
+// LogDog Coordinator links.
+func (g *CoordinatorLinkGenerator) CanGenerateLinks() bool {
+        return (g.Host != "" && g.Prefix != "")
+}
+
+// GetLink implements LinkGenerator.
+func (g *CoordinatorLinkGenerator) GetLink(names ...types.StreamName) string {
+        paths := make([]types.StreamPath, len(names))
+        for i, name := range names {
+                paths[i] = g.Prefix.AsPathPrefix(name)
+        }
+        return viewer.GetURL(g.Host, g.Project, paths...)
+}