ClusterCockpit/cc-metric-store
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This commit is contained in:
Jan Eitzinger
2024-05-03 21:08:01 +02:00
parent 61e9191d4d
commit e1e6694656
14 changed files with 193 additions and 1330 deletions
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134
cc-metric-store.go → cmd/cc-metric-store/main.go
View File

@@ -3,9 +3,7 @@ package main
import (
"bufio"
"context"
"encoding/json"
"flag"
"fmt"
"io"
"log"
"os"
@@ -16,119 +14,22 @@ import (
"syscall"
"time"
"github.com/ClusterCockpit/cc-metric-store/internal/api"
"github.com/ClusterCockpit/cc-metric-store/internal/config"
"github.com/ClusterCockpit/cc-metric-store/internal/memstore"
"github.com/google/gops/agent"
)
// For aggregation over multiple values at different cpus/sockets/..., not time!
type AggregationStrategy int
const (
NoAggregation AggregationStrategy = iota
SumAggregation
AvgAggregation
var (
conf config.Config
memoryStore *memstore.MemoryStore = nil
lastCheckpoint time.Time
)
func (as *AggregationStrategy) UnmarshalJSON(data []byte) error {
var str string
if err := json.Unmarshal(data, &str); err != nil {
return err
}
switch str {
case "":
*as = NoAggregation
case "sum":
*as = SumAggregation
case "avg":
*as = AvgAggregation
default:
return fmt.Errorf("invalid aggregation strategy: %#v", str)
}
return nil
}
type MetricConfig struct {
// Interval in seconds at which measurements will arive.
Frequency int64 `json:"frequency"`
// Can be 'sum', 'avg' or null. Describes how to aggregate metrics from the same timestep over the hierarchy.
Aggregation AggregationStrategy `json:"aggregation"`
// Private, used internally...
offset int
}
type HttpConfig struct {
// Address to bind to, for example "0.0.0.0:8081"
Address string `json:"address"`
// If not the empty string, use https with this as the certificate file
CertFile string `json:"https-cert-file"`
// If not the empty string, use https with this as the key file
KeyFile string `json:"https-key-file"`
}
type NatsConfig struct {
// Address of the nats server
Address string `json:"address"`
// Username/Password, optional
Username string `json:"username"`
Password string `json:"password"`
Subscriptions []struct {
// Channel name
SubscribeTo string `json:"subscribe-to"`
// Allow lines without a cluster tag, use this as default, optional
ClusterTag string `json:"cluster-tag"`
} `json:"subscriptions"`
}
type Config struct {
Metrics map[string]MetricConfig `json:"metrics"`
RetentionInMemory string `json:"retention-in-memory"`
Nats []*NatsConfig `json:"nats"`
JwtPublicKey string `json:"jwt-public-key"`
HttpConfig *HttpConfig `json:"http-api"`
Checkpoints struct {
Interval string `json:"interval"`
RootDir string `json:"directory"`
Restore string `json:"restore"`
} `json:"checkpoints"`
Archive struct {
Interval string `json:"interval"`
RootDir string `json:"directory"`
DeleteInstead bool `json:"delete-instead"`
} `json:"archive"`
Debug struct {
EnableGops bool `json:"gops"`
DumpToFile string `json:"dump-to-file"`
} `json:"debug"`
}
var conf Config
var memoryStore *MemoryStore = nil
var lastCheckpoint time.Time
var debugDumpLock sync.Mutex
var debugDump io.Writer = io.Discard
func loadConfiguration(file string) Config {
var config Config
configFile, err := os.Open(file)
if err != nil {
log.Fatal(err)
}
defer configFile.Close()
dec := json.NewDecoder(configFile)
dec.DisallowUnknownFields()
if err := dec.Decode(&config); err != nil {
log.Fatal(err)
}
return config
}
var (
debugDumpLock sync.Mutex
debugDump io.Writer = io.Discard
)
func intervals(wg *sync.WaitGroup, ctx context.Context) {
wg.Add(3)
@@ -222,7 +123,7 @@ func intervals(wg *sync.WaitGroup, ctx context.Context) {
case <-ticks:
t := time.Now().Add(-d)
log.Printf("start archiving checkpoints (older than %s)...\n", t.Format(time.RFC3339))
n, err := ArchiveCheckpoints(conf.Checkpoints.RootDir, conf.Archive.RootDir, t.Unix(), conf.Archive.DeleteInstead)
n, err := memstore.ArchiveCheckpoints(conf.Checkpoints.RootDir, conf.Archive.RootDir, t.Unix(), conf.Archive.DeleteInstead)
if err != nil {
log.Printf("archiving failed: %s\n", err.Error())
} else {
@@ -241,8 +142,8 @@ func main() {
flag.Parse()
startupTime := time.Now()
conf = loadConfiguration(configFile)
memoryStore = NewMemoryStore(conf.Metrics)
conf = config.LoadConfiguration(configFile)
memoryStore = memstore.NewMemoryStore(conf.Metrics)
if enableGopsAgent || conf.Debug.EnableGops {
if err := agent.Listen(agent.Options{}); err != nil {
@@ -298,7 +199,7 @@ func main() {
continue
}
log.Println("Shuting down...")
log.Println("Shutting down...")
shutdown()
}
}()
@@ -308,7 +209,7 @@ func main() {
wg.Add(1)
go func() {
err := StartApiServer(ctx, conf.HttpConfig)
err := api.StartApiServer(ctx, conf.HttpConfig)
if err != nil {
log.Fatal(err)
}
@@ -322,8 +223,7 @@ func main() {
nc := natsConf
go func() {
// err := ReceiveNats(conf.Nats, decodeLine, runtime.NumCPU()-1, ctx)
err := ReceiveNats(nc, decodeLine, 1, ctx)
err := api.ReceiveNats(nc, decodeLine, 1, ctx)
if err != nil {
log.Fatal(err)
}

14
go.mod
View File

@@ -1,13 +1,21 @@
module github.com/ClusterCockpit/cc-metric-store
go 1.16
go 1.19
require (
github.com/golang-jwt/jwt/v4 v4.0.0
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/gops v0.3.22
github.com/gorilla/mux v1.8.0
github.com/influxdata/line-protocol/v2 v2.2.0
github.com/nats-io/nats-server/v2 v2.2.6 // indirect
github.com/nats-io/nats.go v1.11.0
)
require (
github.com/golang/protobuf v1.5.2 // indirect
github.com/nats-io/nats-server/v2 v2.2.6 // indirect
github.com/nats-io/nkeys v0.3.0 // indirect
github.com/nats-io/nuid v1.0.1 // indirect
golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b // indirect
golang.org/x/sys v0.0.0-20210902050250-f475640dd07b // indirect
google.golang.org/protobuf v1.26.0 // indirect
)

17
go.sum
View File

@@ -1,15 +1,12 @@
github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA=
github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/frankban/quicktest v1.11.0/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
github.com/frankban/quicktest v1.11.2/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
github.com/frankban/quicktest v1.13.0 h1:yNZif1OkDfNoDfb9zZa9aXIpejNR4F23Wely0c+Qdqk=
github.com/frankban/quicktest v1.13.0/go.mod h1:qLE0fzW0VuyUAJgPU19zByoIr0HtCHN/r/VLSOOIySU=
github.com/go-ole/go-ole v1.2.5/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
github.com/go-ole/go-ole v1.2.6-0.20210915003542-8b1f7f90f6b1 h1:4dntyT+x6QTOSCIrgczbQ+ockAEha0cfxD5Wi0iCzjY=
github.com/go-ole/go-ole v1.2.6-0.20210915003542-8b1f7f90f6b1/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY=
github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
github.com/golang-jwt/jwt/v4 v4.0.0 h1:RAqyYixv1p7uEnocuy8P1nru5wprCh/MH2BIlW5z5/o=
github.com/golang-jwt/jwt/v4 v4.0.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
@@ -25,24 +22,27 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/gops v0.3.22 h1:lyvhDxfPLHAOR2xIYwjPhN387qHxyU21Sk9sz/GhmhQ=
github.com/google/gops v0.3.22/go.mod h1:7diIdLsqpCihPSX3fQagksT/Ku/y4RL9LHTlKyEUDl8=
github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/influxdata/line-protocol-corpus v0.0.0-20210519164801-ca6fa5da0184/go.mod h1:03nmhxzZ7Xk2pdG+lmMd7mHDfeVOYFyhOgwO61qWU98=
github.com/influxdata/line-protocol-corpus v0.0.0-20210922080147-aa28ccfb8937 h1:MHJNQ+p99hFATQm6ORoLmpUCF7ovjwEFshs/NHzAbig=
github.com/influxdata/line-protocol-corpus v0.0.0-20210922080147-aa28ccfb8937/go.mod h1:BKR9c0uHSmRgM/se9JhFHtTT7JTO67X23MtKMHtZcpo=
github.com/influxdata/line-protocol/v2 v2.0.0-20210312151457-c52fdecb625a/go.mod h1:6+9Xt5Sq1rWx+glMgxhcg2c0DUaehK+5TDcPZ76GypY=
github.com/influxdata/line-protocol/v2 v2.1.0/go.mod h1:QKw43hdUBg3GTk2iC3iyCxksNj7PX9aUSeYOYE/ceHY=
github.com/influxdata/line-protocol/v2 v2.2.0 h1:UPmAqE15Hw5zu9E10SYhoXVLWnEJkWnuCbaCiRsA3c0=
github.com/influxdata/line-protocol/v2 v2.2.0/go.mod h1:DmB3Cnh+3oxmG6LOBIxce4oaL4CPj3OmMPgvauXh+tM=
github.com/keybase/go-ps v0.0.0-20190827175125-91aafc93ba19 h1:WjT3fLi9n8YWh/Ih8Q1LHAPsTqGddPcHqscN+PJ3i68=
github.com/keybase/go-ps v0.0.0-20190827175125-91aafc93ba19/go.mod h1:hY+WOq6m2FpbvyrI93sMaypsttvaIL5nhVR92dTMUcQ=
github.com/klauspost/compress v1.11.12 h1:famVnQVu7QwryBN4jNseQdUKES71ZAOnB6UQQJPZvqk=
github.com/klauspost/compress v1.11.12/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/minio/highwayhash v1.0.1 h1:dZ6IIu8Z14VlC0VpfKofAhCy74wu/Qb5gcn52yWoz/0=
github.com/minio/highwayhash v1.0.1/go.mod h1:BQskDq+xkJ12lmlUUi7U0M5Swg3EWR+dLTk+kldvVxY=
@@ -61,15 +61,11 @@ github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/shirou/gopsutil/v3 v3.21.9 h1:Vn4MUz2uXhqLSiCbGFRc0DILbMVLAY92DSkT8bsYrHg=
github.com/shirou/gopsutil/v3 v3.21.9/go.mod h1:YWp/H8Qs5fVmf17v7JNZzA0mPJ+mS2e9JdiUF9LlKzQ=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/tklauser/go-sysconf v0.3.9 h1:JeUVdAOWhhxVcU6Eqr/ATFHgXk/mmiItdKeJPev3vTo=
github.com/tklauser/go-sysconf v0.3.9/go.mod h1:11DU/5sG7UexIrp/O6g35hrWzu0JxlwQ3LSFUzyeuhs=
github.com/tklauser/numcpus v0.3.0 h1:ILuRUQBtssgnxw0XXIjKUC56fgnOrFoQQ/4+DeU2biQ=
github.com/tklauser/numcpus v0.3.0/go.mod h1:yFGUr7TUHQRAhyqBcEg0Ge34zDBAsIvJJcyE6boqnA8=
github.com/xlab/treeprint v1.1.0 h1:G/1DjNkPpfZCFt9CSh6b5/nY4VimlbHF3Rh4obvtzDk=
github.com/xlab/treeprint v1.1.0/go.mod h1:gj5Gd3gPdKtR1ikdDK6fnFLdmIS0X30kTTuNd/WEJu0=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -81,7 +77,6 @@ golang.org/x/sys v0.0.0-20190130150945-aca44879d564/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 h1:nxC68pudNYkKU6jWhgrqdreuFiOQWj1Fs7T3VrH4Pjw=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210816074244-15123e1e1f71/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210902050250-f475640dd07b h1:S7hKs0Flbq0bbc9xgYt4stIEG1zNDFqyrPwAX2Wj/sE=
@@ -92,6 +87,7 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 h1:NusfzzA6yGQ+ua51ck7E3omNUX/JuqbFSaRGqU8CcLI=
golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -106,5 +102,4 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
rsc.io/goversion v1.2.0 h1:SPn+NLTiAG7w30IRK/DKp1BjvpWabYgxlLp/+kx5J8w=
rsc.io/goversion v1.2.0/go.mod h1:Eih9y/uIBS3ulggl7KNJ09xGSLcuNaLgmvvqa07sgfo=

12
api.go → internal/api/api.go
View File

@@ -1,4 +1,4 @@
package main
package api
import (
"bufio"
@@ -262,15 +262,18 @@ func handleQuery(rw http.ResponseWriter, r *http.Request) {
if query.SubType != nil {
for _, subTypeId := range query.SubTypeIds {
sels = append(sels, Selector{
{String: req.Cluster}, {String: query.Hostname},
{String: req.Cluster},
{String: query.Hostname},
{String: *query.Type + typeId},
{String: *query.SubType + subTypeId}})
{String: *query.SubType + subTypeId},
})
}
} else {
sels = append(sels, Selector{
{String: req.Cluster},
{String: query.Hostname},
{String: *query.Type + typeId}})
{String: *query.Type + typeId},
})
}
}
}
@@ -347,7 +350,6 @@ func authentication(next http.Handler, publicKey ed25519.PublicKey) http.Handler
return publicKey, nil
})
if err != nil {
http.Error(rw, err.Error(), http.StatusUnauthorized)
return

20
lineprotocol.go → internal/api/lineprotocol.go
View File

@@ -1,4 +1,4 @@
package main
package api
import (
"context"
@@ -9,15 +9,17 @@ import (
"sync"
"time"
"github.com/ClusterCockpit/cc-metric-store/internal/config"
"github.com/ClusterCockpit/cc-metric-store/internal/memstore"
"github.com/ClusterCockpit/cc-metric-store/internal/util"
"github.com/influxdata/line-protocol/v2/lineprotocol"
"github.com/nats-io/nats.go"
)
type Metric struct {
Name string
Value Float
mc MetricConfig
Value util.Float
mc config.MetricConfig
}
// Currently unused, could be used to send messages via raw TCP.
@@ -84,7 +86,7 @@ func ReceiveRaw(ctx context.Context, listener net.Listener, handleLine func(*lin
// Connect to a nats server and subscribe to "updates". This is a blocking
// function. handleLine will be called for each line recieved via nats.
// Send `true` through the done channel for gracefull termination.
func ReceiveNats(conf *NatsConfig, handleLine func(*lineprotocol.Decoder, string) error, workers int, ctx context.Context) error {
func ReceiveNats(conf *config.NatsConfig, handleLine func(*lineprotocol.Decoder, string) error, workers int, ctx context.Context) error {
var opts []nats.Option
if conf.Username != "" && conf.Password != "" {
opts = append(opts, nats.UserInfo(conf.Username, conf.Password))
@@ -175,7 +177,7 @@ func reorder(buf, prefix []byte) []byte {
// Decode lines using dec and make write calls to the MemoryStore.
// If a line is missing its cluster tag, use clusterDefault as default.
func decodeLine(dec *lineprotocol.Decoder, clusterDefault string) error {
func decodeLine(dec *lineprotocol.Decoder, memoryStore *memstore.MemoryStore, clusterDefault string) error {
// Reduce allocations in loop:
t := time.Now()
metric, metricBuf := Metric{}, make([]byte, 0, 16)
@@ -292,11 +294,11 @@ func decodeLine(dec *lineprotocol.Decoder, clusterDefault string) error {
}
if val.Kind() == lineprotocol.Float {
metric.Value = Float(val.FloatV())
metric.Value = util.Float(val.FloatV())
} else if val.Kind() == lineprotocol.Int {
metric.Value = Float(val.IntV())
metric.Value = util.Float(val.IntV())
} else if val.Kind() == lineprotocol.Uint {
metric.Value = Float(val.UintV())
metric.Value = util.Float(val.UintV())
} else {
return fmt.Errorf("unsupported value type in message: %s", val.Kind().String())
}

112
internal/config/config.go Normal file
View File

@@ -0,0 +1,112 @@
package config
import (
"encoding/json"
"fmt"
"log"
"os"
)
// For aggregation over multiple values at different cpus/sockets/..., not time!
type AggregationStrategy int
const (
NoAggregation AggregationStrategy = iota
SumAggregation
AvgAggregation
)
func (as *AggregationStrategy) UnmarshalJSON(data []byte) error {
var str string
if err := json.Unmarshal(data, &str); err != nil {
return err
}
switch str {
case "":
*as = NoAggregation
case "sum":
*as = SumAggregation
case "avg":
*as = AvgAggregation
default:
return fmt.Errorf("invalid aggregation strategy: %#v", str)
}
return nil
}
type MetricConfig struct {
// Interval in seconds at which measurements will arive.
Frequency int64 `json:"frequency"`
// Can be 'sum', 'avg' or null. Describes how to aggregate metrics from the same timestep over the hierarchy.
Aggregation AggregationStrategy `json:"aggregation"`
// Private, used internally...
offset int
}
type HttpConfig struct {
// Address to bind to, for example "0.0.0.0:8081"
Address string `json:"address"`
// If not the empty string, use https with this as the certificate file
CertFile string `json:"https-cert-file"`
// If not the empty string, use https with this as the key file
KeyFile string `json:"https-key-file"`
}
type NatsConfig struct {
// Address of the nats server
Address string `json:"address"`
// Username/Password, optional
Username string `json:"username"`
Password string `json:"password"`
Subscriptions []struct {
// Channel name
SubscribeTo string `json:"subscribe-to"`
// Allow lines without a cluster tag, use this as default, optional
ClusterTag string `json:"cluster-tag"`
} `json:"subscriptions"`
}
type Config struct {
Metrics map[string]MetricConfig `json:"metrics"`
HttpConfig *HttpConfig `json:"http-api"`
Checkpoints struct {
Interval string `json:"interval"`
RootDir string `json:"directory"`
Restore string `json:"restore"`
} `json:"checkpoints"`
Debug struct {
DumpToFile string `json:"dump-to-file"`
EnableGops bool `json:"gops"`
} `json:"debug"`
RetentionInMemory string `json:"retention-in-memory"`
JwtPublicKey string `json:"jwt-public-key"`
Archive struct {
Interval string `json:"interval"`
RootDir string `json:"directory"`
DeleteInstead bool `json:"delete-instead"`
} `json:"archive"`
Nats []*NatsConfig `json:"nats"`
}
func LoadConfiguration(file string) Config {
var config Config
configFile, err := os.Open(file)
if err != nil {
log.Fatal(err)
}
defer configFile.Close()
dec := json.NewDecoder(configFile)
dec.DisallowUnknownFields()
if err := dec.Decode(&config); err != nil {
log.Fatal(err)
}
return config
}

2
archive.go → internal/memstore/archive.go
View File

@@ -1,4 +1,4 @@
package main
package memstore
import (
"archive/zip"

38
memstore.go → internal/memstore/memstore.go
View File

@@ -1,9 +1,13 @@
package main
package memstore
import (
"errors"
"sync"
"unsafe"
"github.com/ClusterCockpit/cc-metric-store/internal/api"
"github.com/ClusterCockpit/cc-metric-store/internal/config"
"github.com/ClusterCockpit/cc-metric-store/internal/util"
)
// Default buffer capacity.
@@ -18,7 +22,7 @@ const (
var bufferPool sync.Pool = sync.Pool{
New: func() interface{} {
return &buffer{
data: make([]Float, 0, BUFFER_CAP),
data: make([]util.Float, 0, BUFFER_CAP),
}
},
}
@@ -33,11 +37,11 @@ var (
// If `cap(data)` is reached, a new buffer is created and
// becomes the new head of a buffer list.
type buffer struct {
frequency int64 // Time between two "slots"
start int64 // Timestamp of when `data[0]` was written.
data []Float // The slice should never reallocacte as `cap(data)` is respected.
prev, next *buffer // `prev` contains older data, `next` newer data.
archived bool // If true, this buffer is already archived
frequency int64 // Time between two "slots"
start int64 // Timestamp of when `data[0]` was written.
data []util.Float // The slice should never reallocacte as `cap(data)` is respected.
prev, next *buffer // `prev` contains older data, `next` newer data.
archived bool // If true, this buffer is already archived
closed bool
/*
@@ -66,7 +70,7 @@ func newBuffer(ts, freq int64) *buffer {
// Otherwise, the existing buffer is returnd.
// Normaly, only "newer" data should be written, but if the value would
// end up in the same buffer anyways it is allowed.
func (b *buffer) write(ts int64, value Float) (*buffer, error) {
func (b *buffer) write(ts int64, value util.Float) (*buffer, error) {
if ts < b.start {
return nil, errors.New("cannot write value to buffer from past")
}
@@ -90,7 +94,7 @@ func (b *buffer) write(ts int64, value Float) (*buffer, error) {
// Fill up unwritten slots with NaN
for i := len(b.data); i < idx; i++ {
b.data = append(b.data, NaN)
b.data = append(b.data, util.NaN)
}
b.data = append(b.data, value)
@@ -154,7 +158,7 @@ func (b *buffer) close() {
// This function goes back the buffer chain if `from` is older than the currents buffer start.
// The loaded values are added to `data` and `data` is returned, possibly with a shorter length.
// If `data` is not long enough to hold all values, this function will panic!
func (b *buffer) read(from, to int64, data []Float) ([]Float, int64, int64, error) {
func (b *buffer) read(from, to int64, data []util.Float) ([]util.Float, int64, int64, error) {
if from < b.firstWrite() {
if b.prev != nil {
return b.prev.read(from, to, data)
@@ -178,9 +182,9 @@ func (b *buffer) read(from, to int64, data []Float) ([]Float, int64, int64, erro
if b.next == nil || to <= b.next.start {
break
}
data[i] += NaN
data[i] += util.NaN
} else if t < b.start {
data[i] += NaN
data[i] += util.NaN
// } else if b.data[idx].IsNaN() {
// data[i] += interpolate(idx, b.data)
} else {
@@ -335,7 +339,7 @@ func (l *level) sizeInBytes() int64 {
for _, b := range l.metrics {
if b != nil {
size += b.count() * int64(unsafe.Sizeof(Float(0)))
size += b.count() * int64(unsafe.Sizeof(util.Float(0)))
}
}
@@ -348,12 +352,12 @@ func (l *level) sizeInBytes() int64 {
type MemoryStore struct {
root level // root of the tree structure
metrics map[string]MetricConfig
metrics map[string]config.MetricConfig
}
// Return a new, initialized instance of a MemoryStore.
// Will panic if values in the metric configurations are invalid.
func NewMemoryStore(metrics map[string]MetricConfig) *MemoryStore {
func NewMemoryStore(metrics map[string]config.MetricConfig) *MemoryStore {
offset := 0
for key, config := range metrics {
if config.Frequency == 0 {
@@ -379,7 +383,7 @@ func NewMemoryStore(metrics map[string]MetricConfig) *MemoryStore {
// Write all values in `metrics` to the level specified by `selector` for time `ts`.
// Look at `findLevelOrCreate` for how selectors work.
func (m *MemoryStore) Write(selector []string, ts int64, metrics []Metric) error {
func (m *MemoryStore) Write(selector []string, ts int64, metrics []api.Metric) error {
var ok bool
for i, metric := range metrics {
if metric.mc.Frequency == 0 {
@@ -399,7 +403,7 @@ func (m *MemoryStore) GetLevel(selector []string) *level {
}
// Assumes that `minfo` in `metrics` is filled in!
func (m *MemoryStore) WriteToLevel(l *level, selector []string, ts int64, metrics []Metric) error {
func (m *MemoryStore) WriteToLevel(l *level, selector []string, ts int64, metrics []api.Metric) error {
l = l.findLevelOrCreate(selector, len(m.metrics))
l.lock.Lock()
defer l.lock.Unlock()

2
selector.go → internal/memstore/selector.go
View File

@@ -1,4 +1,4 @@
package main
package memstore
import (
"encoding/json"

9
float.go → internal/util/float.go
View File

@@ -1,4 +1,4 @@
package main
package util
import (
"math"
@@ -11,8 +11,10 @@ import (
// we have to use our own type which implements encoding/json.Marshaler itself.
type Float float64
var NaN Float = Float(math.NaN())
var nullAsBytes []byte = []byte("null")
var (
NaN Float = Float(math.NaN())
nullAsBytes []byte = []byte("null")
)
func (f Float) IsNaN() bool {
return math.IsNaN(float64(f))
@@ -55,7 +57,6 @@ func (fa FloatArray) MarshalJSON() ([]byte, error) {
buf = append(buf, `null`...)
} else {
buf = strconv.AppendFloat(buf, float64(fa[i]), 'f', 3, 64)
}
}
buf = append(buf, ']')

3
stats.go → internal/util/stats.go
View File

@@ -1,4 +1,4 @@
package main
package util
import (
"errors"
@@ -94,7 +94,6 @@ func (m *MemoryStore) Stats(selector Selector, metric string, from, to int64) (*
n += 1
return nil
})
if err != nil {
return nil, 0, 0, err
}

144
lineprotocol_test.go
View File

@@ -1,144 +0,0 @@
package main
import (
"bytes"
"log"
"strconv"
"testing"
"github.com/influxdata/line-protocol/v2/lineprotocol"
)
const TestDataClassicFormat string = `
m1,cluster=ctest,hostname=htest1,type=node value=1 123456789
m2,cluster=ctest,hostname=htest1,type=node value=2 123456789
m3,hostname=htest2,type=node value=3 123456789
m4,cluster=ctest,hostname=htest2,type=core,type-id=1 value=4 123456789
m4,cluster=ctest,hostname=htest2,type-id=2,type=core value=5 123456789
`
const BenchmarkLineBatch string = `
nm1,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm2,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm3,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm4,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm5,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm6,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm7,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm8,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
nm9,cluster=ctest,hostname=htest1,type=node value=123.0 123456789
cm1,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm2,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm3,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm4,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm5,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm6,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm7,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm8,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm9,cluster=ctest,hostname=htest1,type=core,type-id=1 value=234.0 123456789
cm1,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm2,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm3,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm4,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm5,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm6,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm7,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm8,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm9,cluster=ctest,hostname=htest1,type=core,type-id=2 value=345.0 123456789
cm1,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm2,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm3,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm4,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm5,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm6,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm7,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm8,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm9,cluster=ctest,hostname=htest1,type=core,type-id=3 value=456.0 123456789
cm1,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm2,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm3,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm4,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm5,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm6,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm7,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm8,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
cm9,cluster=ctest,hostname=htest1,type=core,type-id=4 value=567.0 123456789
`
func TestLineprotocolDecoder(t *testing.T) {
prevMemoryStore := memoryStore
t.Cleanup(func() {
memoryStore = prevMemoryStore
})
memoryStore = NewMemoryStore(map[string]MetricConfig{
"m1": {Frequency: 1},
"m2": {Frequency: 1},
"m3": {Frequency: 1},
"m4": {Frequency: 1},
})
dec := lineprotocol.NewDecoderWithBytes([]byte(TestDataClassicFormat))
if err := decodeLine(dec, "ctest"); err != nil {
log.Fatal(err)
}
// memoryStore.DebugDump(bufio.NewWriter(os.Stderr))
h1 := memoryStore.GetLevel([]string{"ctest", "htest1"})
h1b1 := h1.metrics[memoryStore.metrics["m1"].offset]
h1b2 := h1.metrics[memoryStore.metrics["m2"].offset]
if h1b1.data[0] != 1.0 || h1b2.data[0] != 2.0 {
log.Fatal()
}
h2 := memoryStore.GetLevel([]string{"ctest", "htest2"})
h2b3 := h2.metrics[memoryStore.metrics["m3"].offset]
if h2b3.data[0] != 3.0 {
log.Fatal()
}
h2c1 := memoryStore.GetLevel([]string{"ctest", "htest2", "core1"})
h2c1b4 := h2c1.metrics[memoryStore.metrics["m4"].offset]
h2c2 := memoryStore.GetLevel([]string{"ctest", "htest2", "core2"})
h2c2b4 := h2c2.metrics[memoryStore.metrics["m4"].offset]
if h2c1b4.data[0] != 4.0 || h2c2b4.data[0] != 5.0 {
log.Fatal()
}
}
func BenchmarkLineprotocolDecoder(b *testing.B) {
b.StopTimer()
memoryStore = NewMemoryStore(map[string]MetricConfig{
"nm1": {Frequency: 1},
"nm2": {Frequency: 1},
"nm3": {Frequency: 1},
"nm4": {Frequency: 1},
"nm5": {Frequency: 1},
"nm6": {Frequency: 1},
"nm7": {Frequency: 1},
"nm8": {Frequency: 1},
"nm9": {Frequency: 1},
"cm1": {Frequency: 1},
"cm2": {Frequency: 1},
"cm3": {Frequency: 1},
"cm4": {Frequency: 1},
"cm5": {Frequency: 1},
"cm6": {Frequency: 1},
"cm7": {Frequency: 1},
"cm8": {Frequency: 1},
"cm9": {Frequency: 1},
})
for i := 0; i < b.N; i++ {
data := []byte(BenchmarkLineBatch)
data = bytes.ReplaceAll(data, []byte("123456789"), []byte(strconv.Itoa(i+123456789)))
dec := lineprotocol.NewDecoderWithBytes(data)
b.StartTimer()
if err := decodeLine(dec, "ctest"); err != nil {
b.Fatal(err)
}
b.StopTimer()
}
}

504
memoryStore_test.go.orig
View File

@@ -1,504 +0,0 @@
package main
import (
"fmt"
"log"
"math"
"testing"
"github.com/ClusterCockpit/cc-metric-store/lineprotocol"
)
var testMetrics [][]lineprotocol.Metric = [][]lineprotocol.Metric{
{{"flops", 100.5}, {"mem_bw", 2088.67}},
{{"flops", 180.5}, {"mem_bw", 4078.32}, {"mem_capacity", 1020}},
{{"flops", 980.5}, {"mem_bw", 9078.32}, {"mem_capacity", 5010}},
{{"flops", 940.5}, {"mem_bw", 9278.32}, {"mem_capacity", 6010}},
{{"flops", 930.5}, {"mem_bw", 9378.32}, {"mem_capacity", 7010}},
{{"flops", 980.5}, {"mem_bw", 9478.32}, {"mem_capacity", 8010}},
{{"flops", 980.5}, {"mem_bw", 9478.32}, {"mem_capacity", 8010}},
{{"flops", 980.5}, {"mem_bw", 9478.32}, {"mem_capacity", 8010}},
{{"flops", 970.5}, {"mem_bw", 9178.32}, {"mem_capacity", 2010}},
{{"flops", 970.5}, {"mem_bw", 9178.32}, {"mem_capacity", 2010}}}
var testMetricsAlt [][]lineprotocol.Metric = [][]lineprotocol.Metric{
{{"flops", 120.5}, {"mem_bw", 2080.67}},
{{"flops", 130.5}, {"mem_bw", 4071.32}, {"mem_capacity", 1120}},
{{"flops", 940.5}, {"mem_bw", 9072.32}, {"mem_capacity", 5210}},
{{"flops", 950.5}, {"mem_bw", 9273.32}, {"mem_capacity", 6310}},
{{"flops", 960.5}, {"mem_bw", 9374.32}, {"mem_capacity", 7410}},
{{"flops", 970.5}, {"mem_bw", 9475.32}, {"mem_capacity", 8510}},
{{"flops", 990.5}, {"mem_bw", 9476.32}, {"mem_capacity", 8610}},
{{"flops", 910.5}, {"mem_bw", 9477.32}, {"mem_capacity", 8710}},
{{"flops", 920.5}, {"mem_bw", 9178.32}, {"mem_capacity", 2810}},
{{"flops", 930.5}, {"mem_bw", 9179.32}, {"mem_capacity", 2910}}}
func dumpStoreBuffer(s *storeBuffer) {
log.Printf("Start TS %d\n", s.start)
ctr := 0
for _, val := range s.store {
fmt.Printf("%f\t", val)
ctr++
if ctr == 10 {
fmt.Printf("\n")
ctr = 0
}
}
}
func printMemStore(m *MemoryStore) {
log.Println("########################")
log.Printf("Frequency %d, Metrics %d Slots %d\n",
m.frequency, m.numMetrics, m.numSlots)
log.Println("##Offsets")
for key, val := range m.offsets {
log.Printf("\t%s = %d\n", key, val)
}
log.Println("##Containers")
for key, c := range m.containers {
log.Printf("ID %s\n", key)
log.Println("###current")
dumpStoreBuffer(c.current)
log.Println("###next")
dumpStoreBuffer(c.next)
}
log.Println("########################")
}
//############################
//#### Whitebox tests ########
//############################
func TestAddMetricSimple(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
// printMemStore(m)
m.AddMetrics(key, 1584022800, testMetrics[0])
m.AddMetrics(key, 1584022890, testMetrics[1])
want := testMetrics[0][0].Value
got := m.containers[key].current.store[0]
if got != want {
t.Errorf("Want %f got %f\n", want, got)
}
want = testMetrics[1][2].Value
got = m.containers[key].current.store[21]
if got != want {
t.Errorf("Want %f got %f\n", want, got)
}
// printMemStore(m)
}
func TestAddMetricReplace(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
// printMemStore(m)
m.AddMetrics(key, 1584022800, testMetrics[0])
m.AddMetrics(key, 1584022800, testMetrics[1])
want := testMetrics[1][0].Value
got := m.containers[key].current.store[0]
if got != want {
t.Errorf("Want %f got %f\n", want, got)
}
m.AddMetrics(key, 1584022850, testMetrics[0])
want = testMetrics[0][0].Value
got = m.containers[key].current.store[0]
if got != want {
t.Errorf("Want %f got %f\n", want, got)
}
m.AddMetrics(key, 1584022860, testMetrics[1])
want = testMetrics[0][0].Value
got = m.containers[key].current.store[0]
if got != want {
t.Errorf("Want %f got %f\n", want, got)
}
// printMemStore(m)
}
func TestAddMetricSwitch(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
// printMemStore(m)
m.AddMetrics(key, 1584023000, testMetrics[0])
m.AddMetrics(key, 1584023580, testMetrics[1])
want := testMetrics[1][2].Value
got := m.containers[key].current.store[29]
if got != want {
t.Errorf("Want %f got %f\n", want, got)
}
m.AddMetrics(key, 1584023600, testMetrics[2])
want = testMetrics[2][2].Value
got = m.containers[key].current.store[20]
if got != want {
t.Errorf("Want %f got %f\n", want, got)
}
// printMemStore(m)
}
//############################
//#### Blackbox tests ########
//############################
func TestAddMetricOutOfBounds(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 30, 60)
err := m.AddMetrics(key, 1584023000, testMetrics[0])
if err != nil {
t.Errorf("Got error 1584023000\n")
}
err = m.AddMetrics(key, 1584026600, testMetrics[0])
if err == nil {
t.Errorf("Got no error 1584026600\n")
}
err = m.AddMetrics(key, 1584021580, testMetrics[1])
if err == nil {
t.Errorf("Got no error 1584021580\n")
}
err = m.AddMetrics(key, 1584024580, testMetrics[1])
if err != nil {
t.Errorf("Got error 1584024580\n")
}
err = m.AddMetrics(key, 1584091580, testMetrics[1])
if err == nil {
t.Errorf("Got no error 1584091580\n")
}
err = m.AddMetrics(key, 1584024780, testMetrics[0])
if err != nil {
t.Errorf("Got error 1584024780\n")
}
}
func TestGetMetricPlainCurrent(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584023000, 1584023560)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023000 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 9 {
t.Errorf("Want 9. Got %d\n", len(val))
}
if val[0] != 100.5 {
t.Errorf("Want 100.5 Got %f\n", val[0])
}
if val[8] != 970.5 {
t.Errorf("Want 970.5 Got %f\n", val[9])
}
}
func TestGetMetricPlainNext(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584023000, 1584023560)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023000 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 9 {
t.Errorf("Want 9. Got %d\n", len(val))
}
if val[0] != 100.5 {
t.Errorf("Want 100.5 Got %f\n", val[0])
}
if val[8] != 970.5 {
t.Errorf("Want 970.5 Got %f\n", val[9])
}
}
func TestGetMetricGap(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*120), testMetrics[i])
}
val, tsFrom, err := m.GetMetric(key, "flops", 1584023000, 1584023600)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023000 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 10 {
t.Errorf("Want 10. Got %d\n", len(val))
}
if val[0] != 100.5 {
t.Errorf("Want 100.5 Got %f\n", val[0])
}
if !math.IsNaN(float64(val[1])) {
t.Errorf("Want NaN Got %f\n", val[1])
}
if val[0] != 100.5 {
t.Errorf("Want 100.5 Got %f\n", val[0])
}
// fmt.Println(val)
}
func TestGetMetricSplit(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584023200, 1584023860)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023200 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 11 {
t.Errorf("Want 11. Got %d\n", len(val))
}
if val[0] != 940.5 {
t.Errorf("Want 940.5 Got %f\n", val[0])
}
if val[10] != 950.5 {
t.Errorf("Want 950.5 Got %f\n", val[0])
}
}
func TestGetMetricExceedNext(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584022800, 1584023400)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023000 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 6 {
t.Errorf("Want 6. Got %d\n", len(val))
}
if val[0] != 100.5 {
t.Errorf("Want 100.5 Got %f\n", val[0])
}
if val[5] != 980.5 {
t.Errorf("Want 980.5 Got %f\n", val[5])
}
}
func TestGetMetricExceedNextSplit(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584022800, 1584023900)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023000 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 15 {
t.Errorf("Want 14. Got %d\n", len(val))
}
if val[0] != 100.5 {
t.Errorf("Want 100.5 Got %f\n", val[0])
}
if val[14] != 960.5 {
t.Errorf("Want 960.5 Got %f\n", val[13])
}
}
func TestGetMetricExceedCurrent(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584023800, 1584027900)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023800 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 7 {
t.Errorf("Want 6. Got %d\n", len(val))
}
if val[0] != 950.5 {
t.Errorf("Want 950.5 Got %f\n", val[0])
}
if val[6] != 930.5 {
t.Errorf("Want 930.5 Got %f\n", val[5])
}
}
func TestGetMetricExceedCurrentSplit(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584023120, 1584027900)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023120 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 18 {
t.Errorf("Want 18. Got %d\n", len(val))
}
if val[0] != 980.5 {
t.Errorf("Want 950.5 Got %f\n", val[0])
}
if val[17] != 930.5 {
t.Errorf("Want 930.5 Got %f\n", val[17])
}
}
func TestGetMetricExceedBoth(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
val, tsFrom, err := m.GetMetric(key, "flops", 1584022800, 1584027900)
if err != nil {
t.Errorf("Got error\n")
}
if tsFrom != 1584023000 {
t.Errorf("Start ts differs: %d\n", tsFrom)
}
if len(val) != 20 {
t.Errorf("Want 20. Got %d\n", len(val))
}
if val[0] != 100.5 {
t.Errorf("Want 950.5 Got %f\n", val[0])
}
if val[19] != 930.5 {
t.Errorf("Want 930.5 Got %f\n", val[17])
}
}
func TestGetMetricOutUpper(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
_, _, err := m.GetMetric(key, "flops", 1584032800, 1584037900)
if err == nil {
t.Errorf("Got no error\n")
}
}
func TestGetMetricOutLower(t *testing.T) {
key := "m1220"
m := newMemoryStore([]string{"flops", "mem_bw", "mem_capacity"}, 10, 60)
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023000+i*60), testMetrics[i])
}
for i := 0; i < len(testMetrics); i++ {
m.AddMetrics(key, int64(1584023600+i*60), testMetricsAlt[i])
}
// printMemStore(m)
_, _, err := m.GetMetric(key, "flops", 1584002800, 1584007900)
if err == nil {
t.Errorf("Got no error\n")
}
}

512
memstore_test.go
View File

@@ -1,512 +0,0 @@
package main
import (
"fmt"
"math"
"math/rand"
"sync"
"testing"
)
func TestMemoryStoreBasics(t *testing.T) {
frequency := int64(10)
start, count := int64(100), int64(5000)
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: frequency},
"b": {Frequency: frequency * 2},
})
for i := int64(0); i < count; i++ {
err := store.Write([]string{"testhost"}, start+i*frequency, []Metric{
{Name: "a", Value: Float(i)},
{Name: "b", Value: Float(i / 2)},
})
if err != nil {
t.Error(err)
return
}
}
sel := Selector{{String: "testhost"}}
adata, from, to, err := store.Read(sel, "a", start, start+count*frequency)
if err != nil || from != start || to != start+count*frequency {
t.Error(err)
return
}
bdata, _, _, err := store.Read(sel, "b", start, start+count*frequency)
if err != nil {
t.Error(err)
return
}
if len(adata) != int(count) || len(bdata) != int(count/2) {
t.Error("unexpected count of returned values")
return
}
for i := 0; i < int(count); i++ {
if adata[i] != Float(i) {
t.Errorf("incorrect value for metric a (%f vs. %f)", adata[i], Float(i))
return
}
}
for i := 0; i < int(count/2); i++ {
if bdata[i] != Float(i) && bdata[i] != Float(i-1) {
t.Errorf("incorrect value for metric b (%f) at index %d", bdata[i], i)
return
}
}
}
func TestMemoryStoreTooMuchWrites(t *testing.T) {
frequency := int64(10)
count := BUFFER_CAP*3 + 10
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: frequency},
"b": {Frequency: frequency * 2},
"c": {Frequency: frequency / 2},
"d": {Frequency: frequency * 3},
})
start := int64(100)
for i := 0; i < count; i++ {
if err := store.Write([]string{"test"}, start+int64(i)*frequency, []Metric{
{Name: "a", Value: Float(i)},
{Name: "b", Value: Float(i / 2)},
{Name: "c", Value: Float(i * 2)},
{Name: "d", Value: Float(i / 3)},
}); err != nil {
t.Fatal(err)
}
}
end := start + int64(count)*frequency
data, from, to, err := store.Read(Selector{{String: "test"}}, "a", start, end)
if len(data) != count || from != start || to != end || err != nil {
t.Fatalf("a: err=%#v, from=%d, to=%d, data=%#v\n", err, from, to, data)
}
data, from, to, err = store.Read(Selector{{String: "test"}}, "b", start, end)
if len(data) != count/2 || from != start || to != end || err != nil {
t.Fatalf("b: err=%#v, from=%d, to=%d, data=%#v\n", err, from, to, data)
}
data, from, to, err = store.Read(Selector{{String: "test"}}, "c", start, end)
if len(data) != count*2-1 || from != start || to != end-frequency/2 || err != nil {
t.Fatalf("c: err=%#v, from=%d, to=%d, data=%#v\n", err, from, to, data)
}
data, from, to, err = store.Read(Selector{{String: "test"}}, "d", start, end)
if len(data) != count/3+1 || from != start || to != end+frequency*2 || err != nil {
t.Errorf("expected: err=nil, from=%d, to=%d, len(data)=%d\n", start, end+frequency*2, count/3)
t.Fatalf("d: err=%#v, from=%d, to=%d, data=%#v\n", err, from, to, data)
}
}
func TestMemoryStoreOutOfBounds(t *testing.T) {
count := 2000
toffset := 1000
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: 60},
})
for i := 0; i < count; i++ {
if err := store.Write([]string{"cluster", "host", "cpu"}, int64(toffset+i*60), []Metric{
{Name: "a", Value: Float(i)},
}); err != nil {
t.Fatal(err)
}
}
sel := Selector{{String: "cluster"}, {String: "host"}, {String: "cpu"}}
data, from, to, err := store.Read(sel, "a", 500, int64(toffset+count*60+500))
if err != nil {
t.Fatal(err)
}
if from/60 != int64(toffset)/60 || to/60 != int64(toffset+count*60)/60 {
t.Fatalf("Got %d-%d, expected %d-%d", from, to, toffset, toffset+count*60)
}
if len(data) != count || data[0] != 0 || data[len(data)-1] != Float((count-1)) {
t.Fatalf("Wrong data (got: %d, %f, %f, expected: %d, %f, %f)",
len(data), data[0], data[len(data)-1], count, 0., Float(count-1))
}
testfrom, testlen := int64(100000000), int64(10000)
data, from, to, err = store.Read(sel, "a", testfrom, testfrom+testlen)
if len(data) != 0 || from != testfrom || to != testfrom || err != nil {
t.Fatal("Unexpected data returned when reading range after valid data")
}
testfrom, testlen = 0, 10
data, from, to, err = store.Read(sel, "a", testfrom, testfrom+testlen)
if len(data) != 0 || from/60 != int64(toffset)/60 || to/60 != int64(toffset)/60 || err != nil {
t.Fatal("Unexpected data returned when reading range before valid data")
}
}
func TestMemoryStoreMissingDatapoints(t *testing.T) {
count := 3000
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: 1},
})
for i := 0; i < count; i++ {
if i%3 != 0 {
continue
}
err := store.Write([]string{"testhost"}, int64(i), []Metric{
{Name: "a", Value: Float(i)},
})
if err != nil {
t.Error(err)
return
}
}
sel := Selector{{String: "testhost"}}
adata, _, _, err := store.Read(sel, "a", 0, int64(count))
if err != nil {
t.Error(err)
return
}
if len(adata) != count-2 {
t.Error("unexpected len")
return
}
for i := 0; i < count-2; i++ {
if i%3 == 0 {
if adata[i] != Float(i) {
t.Error("unexpected value")
return
}
} else {
if !math.IsNaN(float64(adata[i])) {
t.Errorf("NaN expected (i = %d, value = %f)\n", i, adata[i])
return
}
}
}
}
func TestMemoryStoreAggregation(t *testing.T) {
count := 3000
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: 1, Aggregation: SumAggregation},
})
for i := 0; i < count; i++ {
err := store.Write([]string{"host0", "cpu0"}, int64(i), []Metric{
{Name: "a", Value: Float(i) / 2.},
})
if err != nil {
t.Error(err)
return
}
err = store.Write([]string{"host0", "cpu1"}, int64(i), []Metric{
{Name: "a", Value: Float(i) * 2.},
})
if err != nil {
t.Error(err)
return
}
}
adata, from, to, err := store.Read(Selector{{String: "host0"}}, "a", int64(0), int64(count))
if err != nil {
t.Error(err)
return
}
if len(adata) != count || from != 0 || to != int64(count) {
t.Error("unexpected length or time range of returned data")
return
}
for i := 0; i < count; i++ {
expected := Float(i)/2. + Float(i)*2.
if adata[i] != expected {
t.Errorf("expected: %f, got: %f", expected, adata[i])
return
}
}
}
func TestMemoryStoreStats(t *testing.T) {
count := 3000
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: 1},
"b": {Frequency: 1, Aggregation: AvgAggregation},
})
sel1 := []string{"cluster", "host1"}
sel2 := []string{"cluster", "host2", "left"}
sel3 := []string{"cluster", "host2", "right"}
samples := 0
asum, amin, amax := 0., math.MaxFloat32, -math.MaxFloat32
bsum, bmin, bmax := 0., math.MaxFloat32, -math.MaxFloat32
for i := 0; i < count; i++ {
if i%5 == 0 {
// Skip some writes, test if samples is calculated correctly
continue
}
samples += 1
a := float64(rand.Int()%100 - 50)
asum += a
amin = math.Min(amin, a)
amax = math.Max(amax, a)
b := float64(rand.Int()%100 - 50)
bsum += b * 2
bmin = math.Min(bmin, b)
bmax = math.Max(bmax, b)
store.Write(sel1, int64(i), []Metric{
{Name: "a", Value: Float(a)},
})
store.Write(sel2, int64(i), []Metric{
{Name: "b", Value: Float(b)},
})
store.Write(sel3, int64(i), []Metric{
{Name: "b", Value: Float(b)},
})
}
stats, from, to, err := store.Stats(Selector{{String: "cluster"}, {String: "host1"}}, "a", 0, int64(count))
if err != nil {
t.Fatal(err)
}
if from != 1 || to != int64(count) || stats.Samples != samples {
t.Fatalf("unexpected: from=%d, to=%d, stats.Samples=%d (expected samples=%d)\n", from, to, stats.Samples, samples)
}
if stats.Avg != Float(asum/float64(samples)) || stats.Min != Float(amin) || stats.Max != Float(amax) {
t.Fatalf("wrong stats: %#v\n", stats)
}
stats, from, to, err = store.Stats(Selector{{String: "cluster"}, {String: "host2"}}, "b", 0, int64(count))
if err != nil {
t.Fatal(err)
}
if from != 1 || to != int64(count) || stats.Samples != samples*2 {
t.Fatalf("unexpected: from=%d, to=%d, stats.Samples=%d (expected samples=%d)\n", from, to, stats.Samples, samples*2)
}
if stats.Avg != Float(bsum/float64(samples*2)) || stats.Min != Float(bmin) || stats.Max != Float(bmax) {
t.Fatalf("wrong stats: %#v (expected: avg=%f, min=%f, max=%f)\n", stats, bsum/float64(samples*2), bmin, bmax)
}
}
func TestMemoryStoreArchive(t *testing.T) {
store1 := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: 1},
"b": {Frequency: 1},
})
count := 2000
for i := 0; i < count; i++ {
err := store1.Write([]string{"cluster", "host", "cpu0"}, 100+int64(i), []Metric{
{Name: "a", Value: Float(i)},
{Name: "b", Value: Float(i * 2)},
})
if err != nil {
t.Error(err)
return
}
}
// store1.DebugDump(bufio.NewWriter(os.Stdout))
archiveRoot := t.TempDir()
_, err := store1.ToCheckpoint(archiveRoot, 100, 100+int64(count/2))
if err != nil {
t.Error(err)
return
}
_, err = store1.ToCheckpoint(archiveRoot, 100+int64(count/2), 100+int64(count))
if err != nil {
t.Error(err)
return
}
store2 := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: 1},
"b": {Frequency: 1},
})
n, err := store2.FromCheckpoint(archiveRoot, 100)
if err != nil {
t.Error(err)
return
}
sel := Selector{{String: "cluster"}, {String: "host"}, {String: "cpu0"}}
adata, from, to, err := store2.Read(sel, "a", 100, int64(100+count))
if err != nil {
t.Error(err)
return
}
if n != 2 || len(adata) != count || from != 100 || to != int64(100+count) {
t.Errorf("unexpected: n=%d, len=%d, from=%d, to=%d\n", n, len(adata), from, to)
return
}
for i := 0; i < count; i++ {
expected := Float(i)
if adata[i] != expected {
t.Errorf("expected: %f, got: %f", expected, adata[i])
}
}
}
func TestMemoryStoreFree(t *testing.T) {
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: 1},
"b": {Frequency: 2},
})
count := 3000
sel := []string{"cluster", "host", "1"}
for i := 0; i < count; i++ {
err := store.Write(sel, int64(i), []Metric{
{Name: "a", Value: Float(i)},
{Name: "b", Value: Float(i)},
})
if err != nil {
t.Fatal(err)
}
}
n, err := store.Free([]string{"cluster", "host"}, int64(BUFFER_CAP*2)+100)
if err != nil {
t.Fatal(err)
}
if n != 3 {
t.Fatal("two buffers expected to be released")
}
adata, from, to, err := store.Read(Selector{{String: "cluster"}, {String: "host"}, {String: "1"}}, "a", 0, int64(count))
if err != nil {
t.Fatal(err)
}
if from != int64(BUFFER_CAP*2) || to != int64(count) || len(adata) != count-2*BUFFER_CAP {
t.Fatalf("unexpected values from call to `Read`: from=%d, to=%d, len=%d", from, to, len(adata))
}
// bdata, from, to, err := store.Read(Selector{{String: "cluster"}, {String: "host"}, {String: "1"}}, "b", 0, int64(count))
// if err != nil {
// t.Fatal(err)
// }
// if from != int64(BUFFER_CAP*2) || to != int64(count) || len(bdata) != (count-2*BUFFER_CAP)/2 {
// t.Fatalf("unexpected values from call to `Read`: from=%d (expected: %d), to=%d (expected: %d), len=%d (expected: %d)",
// from, BUFFER_CAP*2, to, count, len(bdata), (count-2*BUFFER_CAP)/2)
// }
if adata[0] != Float(BUFFER_CAP*2) || adata[len(adata)-1] != Float(count-1) {
t.Fatal("wrong values")
}
}
func BenchmarkMemoryStoreConcurrentWrites(b *testing.B) {
frequency := int64(5)
count := b.N
goroutines := 4
store := NewMemoryStore(map[string]MetricConfig{
"a": {Frequency: frequency},
})
var wg sync.WaitGroup
wg.Add(goroutines)
for g := 0; g < goroutines; g++ {
go func(g int) {
host := fmt.Sprintf("host%d", g)
for i := 0; i < count; i++ {
store.Write([]string{"cluster", host, "cpu0"}, int64(i)*frequency, []Metric{
{Name: "a", Value: Float(i)},
})
}
wg.Done()
}(g)
}
wg.Wait()
b.StopTimer()
for g := 0; g < goroutines; g++ {
host := fmt.Sprintf("host%d", g)
sel := Selector{{String: "cluster"}, {String: host}, {String: "cpu0"}}
adata, _, _, err := store.Read(sel, "a", 0, int64(count)*frequency)
if err != nil {
b.Error(err)
return
}
if len(adata) != count {
b.Error("unexpected count")
return
}
for i := 0; i < count; i++ {
expected := Float(i)
if adata[i] != expected {
b.Error("incorrect value for metric a")
return
}
}
}
}
func BenchmarkMemoryStoreAggregation(b *testing.B) {
b.StopTimer()
count := 2000
store := NewMemoryStore(map[string]MetricConfig{
"flops_any": {Frequency: 1, Aggregation: AvgAggregation},
})
sel := []string{"testcluster", "host123", "cpu0"}
for i := 0; i < count; i++ {
sel[2] = "cpu0"
err := store.Write(sel, int64(i), []Metric{
{Name: "flops_any", Value: Float(i)},
})
if err != nil {
b.Fatal(err)
}
sel[2] = "cpu1"
err = store.Write(sel, int64(i), []Metric{
{Name: "flops_any", Value: Float(i)},
})
if err != nil {
b.Fatal(err)
}
}
b.StartTimer()
for n := 0; n < b.N; n++ {
data, from, to, err := store.Read(Selector{{String: "testcluster"}, {String: "host123"}}, "flops_any", 0, int64(count))
if err != nil {
b.Fatal(err)
}
if len(data) != count || from != 0 || to != int64(count) {
b.Fatal()
}
}
}