Bug with Elasticsearch receiver #30140
Description
Component(s)
Elasticsearch Receiver
What happened?
Description
I tried running the Elasticsearch receiver with the OpenTelemetry Collector but it kept returning errors.
Steps to Reproduce
I followed the exact steps and used the sample for the Elasticsearch receiver in the receiver repo.
Expected Result
To successfully scrape metrics from my running Elasticsearch cluster
Actual Result
Users-MacBook-Pro-2:otelcol-contrib deimos$ ./otelcol-contrib --config ./config.yml
2023-12-17T22:54:15.523+0100 info [email protected]/telemetry.go:86 Setting up own telemetry...
2023-12-17T22:54:15.525+0100 info [email protected]/telemetry.go:203 Serving Prometheus metrics {"address": "localhost:8888", "level": "Basic"}
2023-12-17T22:54:15.527+0100 info [email protected]/service.go:145 Starting otelcol-contrib... {"Version": "0.91.0", "NumCPU": 12}
2023-12-17T22:54:15.527+0100 info extensions/extensions.go:34 Starting extensions...
2023-12-17T22:54:15.536+0100 info [email protected]/service.go:171 Everything is ready. Begin running and processing data.
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x4a4b641]
goroutine 63 [running]:
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/elasticsearchreceiver.(*elasticsearchScraper).scrapeNodeMetrics(0xc00284c880, {0x9734dc0, 0xc001f13830}, 0xc002b87cd8?, 0xc002bf7cd8)
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/[email protected]/scraper.go:138 +0x6c1
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/elasticsearchreceiver.(*elasticsearchScraper).scrape(0xc00284c880, {0x9734dc0, 0xc001f13830})
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/[email protected]/scraper.go:76 +0x105
go.opentelemetry.io/collector/receiver/scraperhelper.ScrapeFunc.Scrape(...)
go.opentelemetry.io/collector/[email protected]/scraperhelper/scraper.go:20
go.opentelemetry.io/collector/receiver/scraperhelper.(*controller).scrapeMetricsAndReport(0xc002122b40)
go.opentelemetry.io/collector/[email protected]/scraperhelper/scrapercontroller.go:197 +0x16b
go.opentelemetry.io/collector/receiver/scraperhelper.(*controller).startScraping.func1()
go.opentelemetry.io/collector/[email protected]/scraperhelper/scrapercontroller.go:172 +0xd1
created by go.opentelemetry.io/collector/receiver/scraperhelper.(*controller).startScraping in goroutine 1
go.opentelemetry.io/collector/[email protected]
I also used a later version, 0.89 but it was the same thing.
Collector version
v0.91 and v0.89
Environment information
Environment
OS: mac
OpenTelemetry Collector configuration
receivers:
elasticsearch:
metrics:
elasticsearch.node.fs.disk.available:
enabled: false
nodes: ["Users-MacBook-Pro-2.local"]
skip_cluster_metrics: true
indices: [".geoip_databases"]
endpoint: http://localhost:9200
username: xxxxxx
password: xxxxxx
collection_interval: 10s
processors:
batch:
send_batch_size: 1000
timeout: 10s
exporters:
otlp:
endpoint: "ingest.{region}.signoz.cloud:443"
tls:
insecure: false
timeout: 20s
headers:
"signoz-access-token": "xxxxx"
service:
telemetry:
metrics:
address: localhost:8888
pipelines:
metrics:
receivers: [elasticsearch]
processors: [batch]
exporters: [otlp]Log output
Users-MacBook-Pro-2:otelcol-contrib deimos$ ./otelcol-contrib --config ./config.yml
2023-12-17T22:54:15.523+0100 info [email protected]/telemetry.go:86 Setting up own telemetry...
2023-12-17T22:54:15.525+0100 info [email protected]/telemetry.go:203 Serving Prometheus metrics {"address": "localhost:8888", "level": "Basic"}
2023-12-17T22:54:15.527+0100 info [email protected]/service.go:145 Starting otelcol-contrib... {"Version": "0.91.0", "NumCPU": 12}
2023-12-17T22:54:15.527+0100 info extensions/extensions.go:34 Starting extensions...
2023-12-17T22:54:15.536+0100 info [email protected]/service.go:171 Everything is ready. Begin running and processing data.
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x4a4b641]
goroutine 63 [running]:
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/elasticsearchreceiver.(*elasticsearchScraper).scrapeNodeMetrics(0xc00284c880, {0x9734dc0, 0xc001f13830}, 0xc002b87cd8?, 0xc002bf7cd8)
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/[email protected]/scraper.go:138 +0x6c1
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/elasticsearchreceiver.(*elasticsearchScraper).scrape(0xc00284c880, {0x9734dc0, 0xc001f13830})
github.com/open-telemetry/opentelemetry-collector-contrib/receiver/[email protected]/scraper.go:76 +0x105
go.opentelemetry.io/collector/receiver/scraperhelper.ScrapeFunc.Scrape(...)
go.opentelemetry.io/collector/[email protected]/scraperhelper/scraper.go:20
go.opentelemetry.io/collector/receiver/scraperhelper.(*controller).scrapeMetricsAndReport(0xc002122b40)
go.opentelemetry.io/collector/[email protected]/scraperhelper/scrapercontroller.go:197 +0x16b
go.opentelemetry.io/collector/receiver/scraperhelper.(*controller).startScraping.func1()
go.opentelemetry.io/collector/[email protected]/scraperhelper/scrapercontroller.go:172 +0xd1
created by go.opentelemetry.io/collector/receiver/scraperhelper.(*controller).startScraping in goroutine 1
go.opentelemetry.io/collector/[email protected]Additional context
Before changing the node section to this:
nodes: ["Users-MacBook-Pro-2.local"]
I used what was already in the repo.