SIGSEGV with mimir.alerts.kubernetes and AlertmanagerConfigs with slack config #4975
Description
Component(s)
mimir.alerts.kubernetes
What's wrong?
When adding an AlertmanagerConfig with <slack_config>, alloy crashes:
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x30 pc=0x7427aab]
goroutine 1277 [running]:
github.com/prometheus-operator/prometheus-operator/pkg/assets.(*StoreBuilder).GetSecretKey(0x0, {0xec23268, 0xc000b1f1f0}, {0xc0055042a0, 0xb}, {{{0xc005803800, 0x1c}}, {0xc005504346, 0x6}, 0x0})
/go/pkg/mod/github.com/prometheus-operator/[email protected]/pkg/assets/store.go:326 +0xcb
github.com/prometheus-operator/prometheus-operator/pkg/alertmanager.(*ConfigBuilder).getValidURLFromSecret(0xa?, {0xec23268?, 0xc000b1f1f0?}, {0xc0055042a0?, 0x4b2235?}, {{{0xc005803800, 0x1c}}, {0xc005504346, 0x6}, 0x0})
/go/pkg/mod/github.com/prometheus-operator/[email protected]/pkg/alertmanager/amcfg.go:412 +0x65
github.com/prometheus-operator/prometheus-operator/pkg/alertmanager.(*ConfigBuilder).convertSlackConfig(_, {_, _}, {0xc005504358, 0xc0170ddad0, {0xc0102fb638, 0x13}, {0xc005803880, 0x20}, {0xc005803820, ...}, ...}, ...)
/go/pkg/mod/github.com/prometheus-operator/[email protected]/pkg/alertmanager/amcfg.go:918 +0x447
github.com/prometheus-operator/prometheus-operator/pkg/alertmanager.(*ConfigBuilder).convertReceiver(0xc000b1f5e0, {0xec23268, 0xc000b1f1f0}, 0xc01bbab168, {{0xc0055042a0?, 0x429636?}, {0xc01544b620?, 0xc01bbab148?}})
/go/pkg/mod/github.com/prometheus-operator/[email protected]/pkg/alertmanager/amcfg.go:615 +0x72a
github.com/prometheus-operator/prometheus-operator/pkg/alertmanager.(*ConfigBuilder).AddAlertmanagerConfigs(0xc000b1f5e0, {0xec23268, 0xc000b1f1f0}, 0xc01bbabd38)
/go/pkg/mod/github.com/prometheus-operator/[email protected]/pkg/alertmanager/amcfg.go:386 +0x7d5
github.com/grafana/alloy/internal/component/mimir/alerts/kubernetes.(*eventProcessor).provisionAlertmanagerConfiguration(0xc002ab9040, {0xec23268, 0xc000b1f1f0}, 0xc01bbabd38, 0x0)
/src/alloy/internal/component/mimir/alerts/kubernetes/events.go:192 +0x365
github.com/grafana/alloy/internal/component/mimir/alerts/kubernetes.(*eventProcessor).desiredStateFromKubernetes(0xc002ab9040, {0xec23268, 0xc000b1f1f0})
/src/alloy/internal/component/mimir/alerts/kubernetes/events.go:256 +0x18e
github.com/grafana/alloy/internal/component/mimir/alerts/kubernetes.(*eventProcessor).reconcileState(0xc002ab9040, {0xec231f8?, 0xc001e06280?})
/src/alloy/internal/component/mimir/alerts/kubernetes/events.go:213 +0x6c
github.com/grafana/alloy/internal/component/mimir/alerts/kubernetes.(*eventProcessor).processEvent(0xc0014e9408?, {0xec231f8?, 0xc001e06280?}, {{0xd5acce5?, 0x656b672d30312e36?}, {0xc014fdb8c0?, 0x0?}})
/src/alloy/internal/component/mimir/alerts/kubernetes/events.go:163 +0xa5
github.com/grafana/alloy/internal/component/mimir/alerts/kubernetes.(*eventProcessor).run(0xc002ab9040, {0xec231f8, 0xc001e06280})
/src/alloy/internal/component/mimir/alerts/kubernetes/events.go:120 +0xe5
created by github.com/grafana/alloy/internal/component/mimir/alerts/kubernetes.(*Component).Startup in goroutine 416
/src/alloy/internal/component/mimir/alerts/kubernetes/alerts.go:239 +0x78d
The serviceaccount running alloy has get,list,watch on secrets.
Prometheus Operator handles the same AlertmanagerConfig fine.
Steps to reproduce
Add an AlertmanagerConfig for sending alerts to slack
System information
No response
Software version
Grafana alloy v1.12.0
Configuration
Logs
Tip
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