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Merged
diego-escobedo merged 1 commit into from
Mar 13, 2023
Merged

add posthog event tracking to guidance microservice #671

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6 changes: 5 additions & 1 deletion go/event-guidance/go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,11 @@ go 1.20

require github.com/twmb/franz-go v1.12.1

require golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8 // indirect
require (
github.com/posthog/posthog-go v0.0.0-20221221115252-24dfed35d71a // indirect
github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c // indirect
golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8 // indirect
)

require (
github.com/klauspost/compress v1.15.15 // indirect
Expand Down
12 changes: 12 additions & 0 deletions go/event-guidance/go.sum
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
github.com/klauspost/compress v1.15.15 h1:EF27CXIuDsYJ6mmvtBRlEuB2UVOqHG1tAXgZ7yIO+lw=
github.com/klauspost/compress v1.15.15/go.mod h1:ZcK2JAFqKOpnBlxcLsJzYfrS9X1akm9fHZNnD9+Vo/4=
Expand All @@ -6,10 +8,18 @@ github.com/lib/pq v1.10.7/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/pierrec/lz4/v4 v4.1.15/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
github.com/pierrec/lz4/v4 v4.1.17 h1:kV4Ip+/hUBC+8T6+2EgburRtkE9ef4nbY3f4dFhGjMc=
github.com/pierrec/lz4/v4 v4.1.17/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/posthog/posthog-go v0.0.0-20221221115252-24dfed35d71a h1:Ey0XWvrg6u6hyIn1Kd/jCCmL+bMv9El81tvuGBbxZGg=
github.com/posthog/posthog-go v0.0.0-20221221115252-24dfed35d71a/go.mod h1:oa2sAs9tGai3VldabTV0eWejt/O4/OOD7azP8GaikqU=
github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
github.com/twmb/franz-go v1.12.1 h1:8lWT8q0spL40Nfw6eonJ8OoPGLvF9arvadRRmcSiu9Y=
github.com/twmb/franz-go v1.12.1/go.mod h1:Ofc5tSSUJKLmpRNUYSejUsAZKYAHDHywTS322KWdChQ=
github.com/twmb/franz-go/pkg/kmsg v1.4.0 h1:tbp9hxU6m8qZhQTlpGiaIJOm4BXix5lsuEZ7K00dF0s=
github.com/twmb/franz-go/pkg/kmsg v1.4.0/go.mod h1:SxG/xJKhgPu25SamAq0rrucfp7lbzCpEXOC+vH/ELrY=
github.com/urfave/cli v1.22.5/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c h1:3lbZUMbMiGUW/LMkfsEABsc5zNT9+b1CvsJx47JzJ8g=
github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c/go.mod h1:UrdRz5enIKZ63MEE3IF9l2/ebyx59GyGgPi+tICQdmM=
golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8 h1:GIAS/yBem/gq2MUqgNIzUHW7cJMmx3TGZOrnyYaNQ6c=
golang.org/x/crypto v0.0.0-20220817201139-bc19a97f63c8/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
Expand All @@ -19,3 +29,5 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
49 changes: 42 additions & 7 deletions go/event-guidance/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import (
"time"

_ "github.com/lib/pq"
"github.com/posthog/posthog-go"
"github.com/twmb/franz-go/pkg/kgo"
"github.com/twmb/franz-go/pkg/sasl/scram"
)
Expand Down Expand Up @@ -102,10 +103,12 @@ func main() {
log.SetOutput(os.Stdout)
fmt.Printf("Starting event-guidance\n")

// setup kafkda envs
var kafkaURL string
if kafkaURL = os.Getenv("KAFKA_URL"); kafkaURL == "" {
kafkaURL = "localhost:9092"
}
fmt.Printf("Kafka URL: %s\n", kafkaURL)
var kafkaTopic string
if kafkaTopic = os.Getenv("EVENTS_TOPIC"); kafkaTopic == "" {
kafkaTopic = "test-topic"
Expand All @@ -132,13 +135,12 @@ func main() {
opts = append(opts, kgo.Dialer(tlsDialer.DialContext))
}
cl, err := kgo.NewClient(opts...)

if err != nil {
panic(err)
}

defer cl.Close()

// Setup postgres connection
var dbURL string
if dbURL = os.Getenv("DATABASE_URL"); dbURL == "" {
host := "localhost"
Expand Down Expand Up @@ -169,11 +171,32 @@ func main() {
}
defer db.Close()

// Setup prepared statement
insertStatement, err := db.Prepare("SELECT insert_metric($1, $2, $3, $4, $5, $6)")
if err != nil {
panic(err)
}
defer insertStatement.Close()

// setup posthog envs + client
phWorks := false
phKey := os.Getenv("POSTHOG_API_KEY")
phClient, phErr := posthog.NewWithConfig(
phKey,
posthog.Config{},
)
if phKey == "" {
log.Printf("No posthog key found. Skipping posthog events.")
} else {
if phErr == nil {
phWorks = true
defer phClient.Close()
log.Printf("Posthog client created successfully")
} else {
log.Printf("Error creating posthog client: %s", phErr)
}
}
// confirm
fmt.Printf("Starting event fetching\n")
for {
fetches := cl.PollFetches(ctx)
Expand Down Expand Up @@ -231,13 +254,25 @@ func main() {
//only thing that can go wrong in batch is either bugs in the code or a serious database failure/network partition of some kind. Because the usual referential integrity issues are already dealt with (on conflict do nothing), all that's left is bad stuff.
log.Printf("Error inserting event: %s\n", err)
panic(err)
} else if committed {
if err := cl.CommitUncommittedOffsets(context.Background()); err != nil {
// this is a fatal error
log.Printf("commit records failed: %v", err)
panic(fmt.Errorf("commit records failed: %w", err))
} else {
if phWorks {
phClient.Enqueue(posthog.Capture{
DistinctId: fmt.Sprintf("%d (API Key)", event.OrganizationID),
Event: "track_event",
Properties: posthog.NewProperties().
Set("customer", event.CustID),
})
}

if committed {
if err := cl.CommitUncommittedOffsets(context.Background()); err != nil {
// this is a fatal error
log.Printf("commit records failed: %v", err)
panic(fmt.Errorf("commit records failed: %w", err))
}
}
}

})

if batch.count > 0 {
Expand Down