Add dynamodb multikey kv

Signed-off-by: Daniel Deluiggi <[email protected]>

Author: danielblando

CHANGELOG.md

@@ -16,6 +16,7 @@
 * [FEATURE] Ingester: Enable snapshotting of In-memory TSDB on disk during shutdown via `-blocks-storage.tsdb.memory-snapshot-on-shutdown`. #5011
 * [FEATURE] Query Frontend/Scheduler: Add a new counter metric `cortex_request_queue_requests_total` for total requests going to queue. #5030
 * [FEATURE] Build ARM docker images. #5041
+* [FEATURE] Ring: Add new kv store option `dynamodb`. #5026
 * [BUGFIX] Updated `golang.org/x/net` dependency to fix CVE-2022-27664. #5008
 * [BUGFIX] Fix panic when otel and xray tracing is enabled. #5044
 * [BUGFIX] Fixed no compact block got grouped in shuffle sharding grouper. #5055

docs/blocks-storage/compactor.md

@@ -204,6 +204,19 @@ compactor:
       # CLI flag: -compactor.ring.prefix
       [prefix: <string> | default = "collectors/"]
 
+      dynamodb:
+        # Region to access dynamodb.
+        # CLI flag: -compactor.ring.dynamodb.region
+        [region: <string> | default = ""]
+
+        # Table name to use on dynamodb.
+        # CLI flag: -compactor.ring.dynamodb.table-name
+        [table_name: <string> | default = ""]
+
+        # Time to expire items on dynamodb.
+        # CLI flag: -compactor.ring.dynamodb.ttl-time
+        [ttl: <duration> | default = 0s]
+
       # The consul_config configures the consul client.
       # The CLI flags prefix for this block config is: compactor.ring
       [consul: <consul_config>]

docs/blocks-storage/store-gateway.md

@@ -205,6 +205,19 @@ store_gateway:
       # CLI flag: -store-gateway.sharding-ring.prefix
       [prefix: <string> | default = "collectors/"]
 
+      dynamodb:
+        # Region to access dynamodb.
+        # CLI flag: -store-gateway.sharding-ring.dynamodb.region
+        [region: <string> | default = ""]
+
+        # Table name to use on dynamodb.
+        # CLI flag: -store-gateway.sharding-ring.dynamodb.table-name
+        [table_name: <string> | default = ""]
+
+        # Time to expire items on dynamodb.
+        # CLI flag: -store-gateway.sharding-ring.dynamodb.ttl-time
+        [ttl: <duration> | default = 0s]
+
       # The consul_config configures the consul client.
       # The CLI flags prefix for this block config is:
       # store-gateway.sharding-ring

docs/configuration/config-file-reference.md

@@ -483,6 +483,19 @@ ha_tracker:
     # CLI flag: -distributor.ha-tracker.prefix
     [prefix: <string> | default = "ha-tracker/"]
 
+    dynamodb:
+      # Region to access dynamodb.
+      # CLI flag: -distributor.ha-tracker.dynamodb.region
+      [region: <string> | default = ""]
+
+      # Table name to use on dynamodb.
+      # CLI flag: -distributor.ha-tracker.dynamodb.table-name
+      [table_name: <string> | default = ""]
+
+      # Time to expire items on dynamodb.
+      # CLI flag: -distributor.ha-tracker.dynamodb.ttl-time
+      [ttl: <duration> | default = 0s]
+
     # The consul_config configures the consul client.
     # The CLI flags prefix for this block config is: distributor.ha-tracker
     [consul: <consul_config>]
@@ -547,6 +560,19 @@ ring:
     # CLI flag: -distributor.ring.prefix
     [prefix: <string> | default = "collectors/"]
 
+    dynamodb:
+      # Region to access dynamodb.
+      # CLI flag: -distributor.ring.dynamodb.region
+      [region: <string> | default = ""]
+
+      # Table name to use on dynamodb.
+      # CLI flag: -distributor.ring.dynamodb.table-name
+      [table_name: <string> | default = ""]
+
+      # Time to expire items on dynamodb.
+      # CLI flag: -distributor.ring.dynamodb.ttl-time
+      [ttl: <duration> | default = 0s]
+
     # The consul_config configures the consul client.
     # The CLI flags prefix for this block config is: distributor.ring
     [consul: <consul_config>]
@@ -617,6 +643,19 @@ lifecycler:
       # CLI flag: -ring.prefix
       [prefix: <string> | default = "collectors/"]
 
+      dynamodb:
+        # Region to access dynamodb.
+        # CLI flag: -dynamodb.region
+        [region: <string> | default = ""]
+
+        # Table name to use on dynamodb.
+        # CLI flag: -dynamodb.table-name
+        [table_name: <string> | default = ""]
+
+        # Time to expire items on dynamodb.
+        # CLI flag: -dynamodb.ttl-time
+        [ttl: <duration> | default = 0s]
+
       # The consul_config configures the consul client.
       [consul: <consul_config>]
 
@@ -1283,6 +1322,19 @@ ring:
     # CLI flag: -ruler.ring.prefix
     [prefix: <string> | default = "rulers/"]
 
+    dynamodb:
+      # Region to access dynamodb.
+      # CLI flag: -ruler.ring.dynamodb.region
+      [region: <string> | default = ""]
+
+      # Table name to use on dynamodb.
+      # CLI flag: -ruler.ring.dynamodb.table-name
+      [table_name: <string> | default = ""]
+
+      # Time to expire items on dynamodb.
+      # CLI flag: -ruler.ring.dynamodb.ttl-time
+      [ttl: <duration> | default = 0s]
+
     # The consul_config configures the consul client.
     # The CLI flags prefix for this block config is: ruler.ring
     [consul: <consul_config>]
@@ -1665,6 +1717,19 @@ sharding_ring:
     # CLI flag: -alertmanager.sharding-ring.prefix
     [prefix: <string> | default = "alertmanagers/"]
 
+    dynamodb:
+      # Region to access dynamodb.
+      # CLI flag: -alertmanager.sharding-ring.dynamodb.region
+      [region: <string> | default = ""]
+
+      # Table name to use on dynamodb.
+      # CLI flag: -alertmanager.sharding-ring.dynamodb.table-name
+      [table_name: <string> | default = ""]
+
+      # Time to expire items on dynamodb.
+      # CLI flag: -alertmanager.sharding-ring.dynamodb.ttl-time
+      [ttl: <duration> | default = 0s]
+
     # The consul_config configures the consul client.
     # The CLI flags prefix for this block config is: alertmanager.sharding-ring
     [consul: <consul_config>]
@@ -3852,6 +3917,19 @@ sharding_ring:
     # CLI flag: -compactor.ring.prefix
     [prefix: <string> | default = "collectors/"]
 
+    dynamodb:
+      # Region to access dynamodb.
+      # CLI flag: -compactor.ring.dynamodb.region
+      [region: <string> | default = ""]
+
+      # Table name to use on dynamodb.
+      # CLI flag: -compactor.ring.dynamodb.table-name
+      [table_name: <string> | default = ""]
+
+      # Time to expire items on dynamodb.
+      # CLI flag: -compactor.ring.dynamodb.ttl-time
+      [ttl: <duration> | default = 0s]
+
     # The consul_config configures the consul client.
     # The CLI flags prefix for this block config is: compactor.ring
     [consul: <consul_config>]
@@ -3939,6 +4017,19 @@ sharding_ring:
     # CLI flag: -store-gateway.sharding-ring.prefix
     [prefix: <string> | default = "collectors/"]
 
+    dynamodb:
+      # Region to access dynamodb.
+      # CLI flag: -store-gateway.sharding-ring.dynamodb.region
+      [region: <string> | default = ""]
+
+      # Table name to use on dynamodb.
+      # CLI flag: -store-gateway.sharding-ring.dynamodb.table-name
+      [table_name: <string> | default = ""]
+
+      # Time to expire items on dynamodb.
+      # CLI flag: -store-gateway.sharding-ring.dynamodb.ttl-time
+      [ttl: <duration> | default = 0s]
+
     # The consul_config configures the consul client.
     # The CLI flags prefix for this block config is: store-gateway.sharding-ring
     [consul: <consul_config>]

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137
 	github.com/alicebob/miniredis/v2 v2.23.1
 	github.com/armon/go-metrics v0.4.1
+	github.com/aws/aws-sdk-go v1.44.109
 	github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b
 	github.com/cespare/xxhash v1.1.0
 	github.com/dustin/go-humanize v1.0.0
@@ -85,7 +86,6 @@ require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a // indirect
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
-	github.com/aws/aws-sdk-go v1.44.109 // indirect
 	github.com/aws/aws-sdk-go-v2 v1.16.0 // indirect
 	github.com/aws/aws-sdk-go-v2/config v1.15.1 // indirect
 	github.com/aws/aws-sdk-go-v2/credentials v1.11.0 // indirect

integration/kv_test.go

@@ -229,6 +229,14 @@ func (c stringCodec) Decode(bb []byte) (interface{}, error) {
 func (c stringCodec) Encode(v interface{}) ([]byte, error) { return []byte(v.(string)), nil }
 func (c stringCodec) CodecID() string                      { return "stringCodec" }
 
+func (stringCodec) EncodeMultiKey(msg interface{}) (map[string][]byte, error) {
+	return nil, errors.New("String codec does not support EncodeMultiKey")
+}
+
+func (stringCodec) DecodeMultiKey(map[string][]byte) (interface{}, error) {
+	return nil, errors.New("String codec does not support DecodeMultiKey")
+}
+
 type watcher struct {
 	values map[string][]interface{}
 }

pkg/ring/http.go

@@ -24,6 +24,7 @@ const pageContent = `
 	<body>
 		<h1>Ring Status</h1>
 		<p>Current time: {{ .Now }}</p>
+        <p>Storage updated: {{ .StorageLastUpdated }}</p>
 		<form action="" method="POST">
 			<input type="hidden" name="csrf_token" value="$__CSRF_TOKEN_PLACEHOLDER__">
 			<table width="100%" border="1">
@@ -116,9 +117,10 @@ type ingesterDesc struct {
 }
 
 type httpResponse struct {
-	Ingesters  []ingesterDesc `json:"shards"`
-	Now        time.Time      `json:"now"`
-	ShowTokens bool           `json:"-"`
+	Ingesters          []ingesterDesc `json:"shards"`
+	Now                time.Time      `json:"now"`
+	StorageLastUpdated time.Time      `json:"storageLastUpdated"`
+	ShowTokens         bool           `json:"-"`
 }
 
 func (r *Ring) ServeHTTP(w http.ResponseWriter, req *http.Request) {
@@ -149,14 +151,14 @@ func (r *Ring) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	}
 	sort.Strings(ingesterIDs)
 
-	now := time.Now()
+	storageLastUpdate := r.KVClient.LastUpdateTime(r.key)
 	var ingesters []ingesterDesc
 	_, owned := r.countTokens()
 	for _, id := range ingesterIDs {
 		ing := r.ringDesc.Ingesters[id]
 		heartbeatTimestamp := time.Unix(ing.Timestamp, 0)
 		state := ing.State.String()
-		if !r.IsHealthy(&ing, Reporting, now) {
+		if !r.IsHealthy(&ing, Reporting, storageLastUpdate) {
 			state = unhealthy
 		}
 
@@ -182,9 +184,10 @@ func (r *Ring) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	tokensParam := req.URL.Query().Get("tokens")
 
 	renderHTTPResponse(w, httpResponse{
-		Ingesters:  ingesters,
-		Now:        now,
-		ShowTokens: tokensParam == "true",
+		Ingesters:          ingesters,
+		Now:                time.Now(),
+		StorageLastUpdated: storageLastUpdate,
+		ShowTokens:         tokensParam == "true",
 	}, pageTemplate, req)
 }
 

pkg/ring/kv/client.go

@@ -5,6 +5,9 @@ import (
 	"flag"
 	"fmt"
 	"sync"
+	"time"
+
+	"github.com/cortexproject/cortex/pkg/ring/kv/dynamodb"
 
 	"github.com/go-kit/log"
 	"github.com/prometheus/client_golang/prometheus"
@@ -40,9 +43,10 @@ var inmemoryStore Client
 // Consul, Etcd, Memberlist or MultiClient. It was extracted from Config to keep
 // single-client config separate from final client-config (with all the wrappers)
 type StoreConfig struct {
-	Consul consul.Config `yaml:"consul"`
-	Etcd   etcd.Config   `yaml:"etcd"`
-	Multi  MultiConfig   `yaml:"multi"`
+	DynamoDB dynamodb.Config `yaml:"dynamodb"`
+	Consul   consul.Config   `yaml:"consul"`
+	Etcd     etcd.Config     `yaml:"etcd"`
+	Multi    MultiConfig     `yaml:"multi"`
 
 	// Function that returns memberlist.KV store to use. By using a function, we can delay
 	// initialization of memberlist.KV until it is actually required.
@@ -69,6 +73,7 @@ func (cfg *Config) RegisterFlagsWithPrefix(flagsPrefix, defaultPrefix string, f
 	// This needs to be fixed in the future (1.0 release maybe?) when we normalize flags.
 	// At the moment we have consul.<flag-name>, and ring.store, going forward it would
 	// be easier to have everything under ring, so ring.consul.<flag-name>
+	cfg.DynamoDB.RegisterFlags(f, flagsPrefix)
 	cfg.Consul.RegisterFlags(f, flagsPrefix)
 	cfg.Etcd.RegisterFlagsWithPrefix(f, flagsPrefix)
 	cfg.Multi.RegisterFlagsWithPrefix(f, flagsPrefix)
@@ -111,6 +116,9 @@ type Client interface {
 
 	// WatchPrefix calls f whenever any value stored under prefix changes.
 	WatchPrefix(ctx context.Context, prefix string, f func(string, interface{}) bool)
+
+	// LastUpdateTime returns the time a key was last sync by the kv store
+	LastUpdateTime(key string) time.Time
 }
 
 // NewClient creates a new Client (consul, etcd or inmemory) based on the config,
@@ -128,6 +136,9 @@ func createClient(backend string, prefix string, cfg StoreConfig, codec codec.Co
 	var err error
 
 	switch backend {
+	case "dynamodb":
+		client, err = dynamodb.NewClient(cfg.DynamoDB, codec, logger, reg)
+
 	case "consul":
 		client, err = consul.NewClient(cfg.Consul, codec, logger, reg)
 

pkg/ring/kv/codec/clonable.go

@@ -0,0 +1,6 @@
+package codec
+
+type Clonable interface {
+	// Clone should return a deep copy of the state.
+	Clone() interface{}
+}