[ARVADOS] updated: 370036888e75b509ebf84ba8337273f7b9146f37

Git user git at public.curoverse.com
Thu May 18 13:27:18 EDT 2017


Summary of changes:
 services/keepstore/handlers.go    | 58 +++++++++++++++++++--------------------
 services/keepstore/mounts_test.go |  4 +--
 services/keepstore/volume.go      | 11 ++++----
 3 files changed, 35 insertions(+), 38 deletions(-)

       via  370036888e75b509ebf84ba8337273f7b9146f37 (commit)
       via  d77b362ffa44f0fd48cb7127ca34d6d676fad8ca (commit)
      from  42f5f3a29761ac9a943530157da376c798a4ac6d (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.


commit 370036888e75b509ebf84ba8337273f7b9146f37
Author: Tom Clegg <tom at curoverse.com>
Date:   Thu May 18 13:26:36 2017 -0400

    11644: Add DeviceID() to Volume interface.

diff --git a/services/keepstore/volume.go b/services/keepstore/volume.go
index 07b497c..86b3da6 100644
--- a/services/keepstore/volume.go
+++ b/services/keepstore/volume.go
@@ -232,6 +232,10 @@ type Volume interface {
 	// EmptyTrash looks for trashed blocks that exceeded TrashLifetime
 	// and deletes them from the volume.
 	EmptyTrash()
+
+	// Return a globally unique ID of the underlying storage
+	// device if possible, otherwise "".
+	DeviceID() string
 }
 
 // A VolumeWithExamples provides example configs to display in the
@@ -320,17 +324,12 @@ func MakeRRVolumeManager(volumes []Volume) *RRVolumeManager {
 	for _, v := range volumes {
 		mnt := &VolumeMount{
 			UUID:        (*VolumeMount)(nil).generateUUID(),
-			DeviceID:    "",
+			DeviceID:    v.DeviceID(),
 			ReadOnly:    !v.Writable(),
 			Replication: v.Replication(),
 			Tier:        1,
 			volume:      v,
 		}
-		if v, ok := v.(interface {
-			DeviceID() string
-		}); ok {
-			mnt.DeviceID = v.DeviceID()
-		}
 		vm.iostats[v] = &ioStats{}
 		vm.mounts = append(vm.mounts, mnt)
 		vm.mountMap[mnt.UUID] = mnt

commit d77b362ffa44f0fd48cb7127ca34d6d676fad8ca
Author: Tom Clegg <tom at curoverse.com>
Date:   Thu May 18 13:22:54 2017 -0400

    11644: Unify block-index handlers. Move prefix arg to query string.

diff --git a/services/keepstore/handlers.go b/services/keepstore/handlers.go
index 3356142..bd88acb 100644
--- a/services/keepstore/handlers.go
+++ b/services/keepstore/handlers.go
@@ -49,10 +49,10 @@ func MakeRESTRouter() *router {
 	rest.HandleFunc(`/{hash:[0-9a-f]{32}}`, PutBlockHandler).Methods("PUT")
 	rest.HandleFunc(`/{hash:[0-9a-f]{32}}`, DeleteHandler).Methods("DELETE")
 	// List all blocks stored here. Privileged client only.
-	rest.HandleFunc(`/index`, IndexHandler).Methods("GET", "HEAD")
+	rest.HandleFunc(`/index`, rtr.IndexHandler).Methods("GET", "HEAD")
 	// List blocks stored here whose hash has the given prefix.
 	// Privileged client only.
-	rest.HandleFunc(`/index/{prefix:[0-9a-f]{0,32}}`, IndexHandler).Methods("GET", "HEAD")
+	rest.HandleFunc(`/index/{prefix:[0-9a-f]{0,32}}`, rtr.IndexHandler).Methods("GET", "HEAD")
 
 	// Internals/debugging info (runtime.MemStats)
 	rest.HandleFunc(`/debug.json`, rtr.DebugHandler).Methods("GET", "HEAD")
@@ -61,9 +61,9 @@ func MakeRESTRouter() *router {
 	rest.HandleFunc(`/status.json`, rtr.StatusHandler).Methods("GET", "HEAD")
 
 	// List mounts: UUID, readonly, tier, device ID, ...
-	rest.HandleFunc(`/mounts`, rtr.Mounts).Methods("GET")
-	rest.HandleFunc(`/mounts/{uuid}/blocks`, rtr.MountBlocks).Methods("GET")
-	rest.HandleFunc(`/mounts/{uuid}/blocks/{prefix:[0-9a-f]{0,32}}`, rtr.MountBlocks).Methods("GET")
+	rest.HandleFunc(`/mounts`, rtr.MountsHandler).Methods("GET")
+	rest.HandleFunc(`/mounts/{uuid}/blocks`, rtr.IndexHandler).Methods("GET")
+	rest.HandleFunc(`/mounts/{uuid}/blocks/`, rtr.IndexHandler).Methods("GET")
 
 	// Replace the current pull queue.
 	rest.HandleFunc(`/pull`, PullHandler).Methods("PUT")
@@ -228,18 +228,34 @@ func PutBlockHandler(resp http.ResponseWriter, req *http.Request) {
 	resp.Write([]byte(returnHash + "\n"))
 }
 
-// IndexHandler is a HandleFunc to address /index and /index/{prefix} requests.
-func IndexHandler(resp http.ResponseWriter, req *http.Request) {
-	// Reject unauthorized requests.
+// IndexHandler responds to "/index", "/index/{prefix}", and
+// "/mounts/{uuid}/blocks" requests.
+func (rtr *router) IndexHandler(resp http.ResponseWriter, req *http.Request) {
 	if !IsSystemAuth(GetAPIToken(req)) {
 		http.Error(resp, UnauthorizedError.Error(), UnauthorizedError.HTTPCode)
 		return
 	}
 
 	prefix := mux.Vars(req)["prefix"]
+	if prefix == "" {
+		req.ParseForm()
+		prefix = req.Form.Get("prefix")
+	}
 
-	for _, vol := range KeepVM.AllReadable() {
-		if err := vol.IndexTo(prefix, resp); err != nil {
+	uuid := mux.Vars(req)["uuid"]
+
+	var vols []Volume
+	if uuid == "" {
+		vols = KeepVM.AllReadable()
+	} else if v := KeepVM.Lookup(uuid, false); v == nil {
+		http.Error(resp, "mount not found", http.StatusNotFound)
+		return
+	} else {
+		vols = []Volume{v}
+	}
+
+	for _, v := range vols {
+		if err := v.IndexTo(prefix, resp); err != nil {
 			// The only errors returned by IndexTo are
 			// write errors returned by resp.Write(),
 			// which probably means the client has
@@ -255,32 +271,14 @@ func IndexHandler(resp http.ResponseWriter, req *http.Request) {
 	resp.Write([]byte{'\n'})
 }
 
-// Mounts responds to "GET /mounts" requests.
-func (rtr *router) Mounts(resp http.ResponseWriter, req *http.Request) {
+// MountsHandler responds to "GET /mounts" requests.
+func (rtr *router) MountsHandler(resp http.ResponseWriter, req *http.Request) {
 	err := json.NewEncoder(resp).Encode(KeepVM.Mounts())
 	if err != nil {
 		http.Error(resp, err.Error(), http.StatusInternalServerError)
 	}
 }
 
-// MountBlocks responds to "GET /mounts/{uuid}/blocks" requests.
-func (rtr *router) MountBlocks(resp http.ResponseWriter, req *http.Request) {
-	if !IsSystemAuth(GetAPIToken(req)) {
-		http.Error(resp, UnauthorizedError.Error(), UnauthorizedError.HTTPCode)
-		return
-	}
-
-	uuid := mux.Vars(req)["uuid"]
-	prefix := mux.Vars(req)["prefix"]
-	if v := KeepVM.Lookup(uuid, false); v == nil {
-		http.Error(resp, "mount not found", http.StatusNotFound)
-	} else if err := v.IndexTo(prefix, resp); err != nil {
-		http.Error(resp, err.Error(), http.StatusInternalServerError)
-	} else {
-		resp.Write([]byte{'\n'})
-	}
-}
-
 // PoolStatus struct
 type PoolStatus struct {
 	Alloc uint64 `json:"BytesAllocated"`
diff --git a/services/keepstore/mounts_test.go b/services/keepstore/mounts_test.go
index b44a08f..5659bcf 100644
--- a/services/keepstore/mounts_test.go
+++ b/services/keepstore/mounts_test.go
@@ -78,7 +78,7 @@ func (s *MountsSuite) TestMounts(c *check.C) {
 	c.Check(resp.Body.String(), check.Matches, TestHash+`\+[0-9]+ [0-9]+\n\n`)
 
 	// Partial index of first mount (one block matches prefix)
-	resp = s.call("GET", "/mounts/"+mntList[0].UUID+"/blocks/"+TestHash[:2], tok)
+	resp = s.call("GET", "/mounts/"+mntList[0].UUID+"/blocks?prefix="+TestHash[:2], tok)
 	c.Check(resp.Code, check.Equals, http.StatusOK)
 	c.Check(resp.Body.String(), check.Matches, TestHash+`\+[0-9]+ [0-9]+\n\n`)
 
@@ -88,7 +88,7 @@ func (s *MountsSuite) TestMounts(c *check.C) {
 	c.Check(resp.Body.String(), check.Matches, TestHash2+`\+[0-9]+ [0-9]+\n\n`)
 
 	// Partial index of second mount (no blocks match prefix)
-	resp = s.call("GET", "/mounts/"+mntList[1].UUID+"/blocks/"+TestHash[:2], tok)
+	resp = s.call("GET", "/mounts/"+mntList[1].UUID+"/blocks/?prefix="+TestHash[:2], tok)
 	c.Check(resp.Code, check.Equals, http.StatusOK)
 	c.Check(resp.Body.String(), check.Equals, "\n")
 }

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