$ show prometheus/alertmanager

[account ↗] [repo ↗] APPLICATION ★ 8643 2482 ● active (last update 1 week ago)

── AI DEEP ANALYSIS ──

reviewed by: deepseek/deepseek-v4-flash

Prometheus Alertmanager is a production-grade Go service that receives alert notifications from Prometheus or any HTTP client, deduplicates and groups them by routing rules, applies silences and inhibition rules, and dispatches notifications through 20+ integrations (Slack, PagerDuty, email, webhook, Telegram, Jira, etc.). It runs as a single binary with an embedded web UI, a REST API v2, an experimental Connect/gRPC API, and an amtool CLI. The architecture is a modular monolith: the app package wires together config loading, cluster membership, HTTP listeners, and a pipeline of notification stages (mute, dedup, retry, fanout).

── METRICS ──

RATING9.5/10

QUALITY8.5/10

MAINTENANCEactive

DRIFTlow

CONTRIBUTORS467

VELOCITY0.92

OPEN ISSUES402

CLOSED ISSUES1753

LAST COMMIT1 week ago

── TAGS ──

#alert-management #notification-routing #prometheus-ecosystem #golang #high-availability #monitoring #silence-management #webhook-integrations #alertmanager #pagerduty #email #notifications #opsgenie #slack #deduplication #hacktoberfest

── GITHUB TOPICS ──

monitoring alertmanager pagerduty email notifications opsgenie slack deduplication hacktoberfest

── DEPENDENCY GRAPH ──

connectrpc.com/connect (go) v1.21.0

connectrpc.com/grpchealth (go) v1.5.0

connectrpc.com/grpcreflect (go) v1.3.1

github.com/KimMachineGun/automemlimit (go) v0.7.5

github.com/alecthomas/kingpin/v2 (go) v2.4.0

github.com/alecthomas/units (go) v0.0.0-20240927000941-0f3dac36c52b

github.com/aws/aws-sdk-go-v2 (go) v1.47.1

github.com/aws/aws-sdk-go-v2/config (go) v1.33.6

github.com/aws/aws-sdk-go-v2/credentials (go) v1.20.6

github.com/aws/aws-sdk-go-v2/service/sns (go) v1.47.2

github.com/aws/aws-sdk-go-v2/service/sts (go) v1.51.1

github.com/aws/smithy-go (go) v1.28.2

github.com/cenkalti/backoff/v5 (go) v5.0.3

github.com/cespare/xxhash/v2 (go) v2.3.0

github.com/coreos/go-systemd/v22 (go) v22.7.0

github.com/emersion/go-smtp (go) v0.25.0

github.com/fsnotify/fsnotify (go) v1.10.1

github.com/go-openapi/analysis (go) v1.0.0

github.com/go-openapi/errors (go) v0.22.9

github.com/go-openapi/loads (go) v0.25.3

github.com/go-openapi/runtime (go) v0.33.2

github.com/go-openapi/runtime/server-middleware (go) v0.33.2

github.com/go-openapi/spec (go) v1.0.1

github.com/go-openapi/strfmt (go) v0.27.2

github.com/go-openapi/swag (go) v0.29.2

github.com/go-openapi/validate (go) v1.0.0

github.com/google/uuid (go) v1.6.0

github.com/hashicorp/go-sockaddr (go) v1.0.7

github.com/hashicorp/golang-lru/v2 (go) v2.0.7

github.com/hashicorp/memberlist (go) v0.5.4

github.com/jessevdk/go-flags (go) v1.6.1

github.com/mdlayher/vsock (go) v1.3.0

github.com/oklog/run (go) v1.2.0

github.com/oklog/ulid/v2 (go) v2.1.2

github.com/prometheus/client_golang (go) v1.24.1

github.com/prometheus/client_model (go) v0.6.3

github.com/prometheus/common (go) v0.72.0

github.com/prometheus/exporter-toolkit (go) v0.20.0

github.com/prometheus/sigv4 (go) v0.5.0

github.com/rs/cors (go) v1.11.1

github.com/stretchr/testify (go) v1.12.1

github.com/twmb/franz-go (go) v1.22.1

github.com/twmb/franz-go/pkg/kfake (go) v0.0.0-20260515175617-8268a5d078c0

github.com/twmb/franz-go/plugin/kslog (go) v1.0.0

github.com/xlab/treeprint (go) v1.2.0

go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace (go) v0.72.0

go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp (go) v0.72.0

go.opentelemetry.io/otel (go) v1.47.0

go.opentelemetry.io/otel/exporters/otlp/otlptrace (go) v1.47.0

go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc (go) v1.47.0

go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp (go) v1.47.0

go.opentelemetry.io/otel/sdk (go) v1.47.0

go.opentelemetry.io/otel/trace (go) v1.47.0

golang.org/x/mod (go) v0.41.0

golang.org/x/net (go) v0.59.0

golang.org/x/text (go) v0.42.0

google.golang.org/grpc (go) v1.84.0

google.golang.org/protobuf (go) v1.36.12

gopkg.in/telebot.v3 (go) v3.3.8

gopkg.in/yaml.v2 (go) v2.4.0

github.com/armon/go-metrics (go) v0.4.1

github.com/aws/aws-sdk-go-v2/feature/ec2/imds (go) v1.20.1

github.com/aws/aws-sdk-go-v2/internal/configsources (go) v1.5.4

github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 (go) v2.8.4

github.com/aws/aws-sdk-go-v2/internal/v4a (go) v1.5.4

github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding (go) v1.13.19

github.com/aws/aws-sdk-go-v2/service/internal/presigned-url (go) v1.14.4

github.com/aws/aws-sdk-go-v2/service/signin (go) v1.10.1

github.com/aws/aws-sdk-go-v2/service/sso (go) v1.38.1

github.com/aws/aws-sdk-go-v2/service/ssooidc (go) v1.43.1

github.com/beorn7/perks (go) v1.0.1

github.com/docker/go-units (go) v0.5.0

github.com/emersion/go-sasl (go) v0.0.0-20241020182733-b788ff22d5a6

github.com/felixge/httpsnoop (go) v1.1.0

github.com/go-logr/logr (go) v1.4.4

github.com/go-logr/stdr (go) v1.2.2

github.com/go-openapi/jsonpointer (go) v1.0.1

github.com/go-openapi/jsonreference (go) v1.0.2

github.com/go-openapi/swag/cmdutils (go) v0.29.2

github.com/go-openapi/swag/conv (go) v0.29.2

github.com/go-openapi/swag/fileutils (go) v0.29.2

github.com/go-openapi/swag/jsonutils (go) v0.29.2

github.com/go-openapi/swag/loading (go) v0.29.2

github.com/go-openapi/swag/mangling (go) v0.29.2

github.com/go-openapi/swag/netutils (go) v0.29.2

github.com/go-openapi/swag/pools (go) v0.29.2

github.com/go-openapi/swag/stringutils (go) v0.29.2

github.com/go-openapi/swag/typeutils (go) v0.29.2

github.com/go-openapi/swag/yamlutils (go) v0.29.2

github.com/go-viper/mapstructure/v2 (go) v2.5.0

github.com/golang-jwt/jwt/v5 (go) v5.3.1

github.com/google/btree (go) v1.1.3

github.com/grpc-ecosystem/grpc-gateway/v2 (go) v2.30.0

github.com/hashicorp/errwrap (go) v1.1.0

github.com/hashicorp/go-immutable-radix (go) v1.3.1

github.com/hashicorp/go-metrics (go) v0.5.4

github.com/hashicorp/go-msgpack/v2 (go) v2.1.5

github.com/hashicorp/go-multierror (go) v1.1.1

github.com/hashicorp/golang-lru (go) v1.0.2

github.com/jpillora/backoff (go) v1.0.0

── FILE BREAKDOWN ──

Files by Type (count)

383

YAML

Elm

Markdown

JSON

TSX

Other (.pem)

TypeScript

Other (no ext)

Makefile

Other (.csr)

Git Ignore

Files by Type (size)

2MB

JSON

268KB

Markdown

251KB

Elm

242KB

Other (.sum)

137KB

YAML

73KB

Other (.svg)

41KB

Other (.tmpl)

26KB

Other (.pem)

24KB

TSX

21KB

Other (.libsonnet)

19KB

TypeScript

19KB

── KEY FINDINGS: REUSABLE CODE ──

The LLM identified 4 files worth highlighting for reuse:

Hand-written lexer and recursive-descent parser for Prometheus label matcher expressions (e.g. `{foo=~'bar.*'}`). Produces typed matcher ASTs with precise error positions. Isolated from Alertmanager internals, fuzz-tested, and benchmarked; can be extracted as a standalone expression parser for any label-based filtering system.

file: matcher/parse/parse.go ↗ | tags: #lexer #parser #dsl

Generic bounded cache with priority-ordered eviction and expiry-based staleness. Uses type parameters to store arbitrary values, supports concurrent Upsert and IsStale checks. A self-contained data structure that can be reused in any Go service needing a size-limited, time-expiring cache.

file: limit/bucket.go ↗ | tags: #generic-cache #eviction #concurrency

Models time intervals (weekday/month/day-of-month ranges) with YAML/JSON marshaling, validation, and location handling. Handles edge cases like negative day-of-month and wrap-around weekdays. Standalone package suitable for scheduling or maintenance-window logic in other tools.

file: timeinterval/timeinterval.go ↗ | tags: #time-intervals #scheduling #configuration

Full silence store with matcher indexing, incremental version queries, garbage collection, and protobuf snapshot persistence. Implements a fingerprint-based mute cache for fast alert filtering. Although it uses Alertmanager's cluster for mesh sync, the core store logic is separable and demonstrates advanced indexing and concurrency patterns.

file: silence/silence.go ↗ | tags: #indexing #state-management #expiry

── HISTORY ──

Last analyzed: 2026-10-11 00:51:30.404907

Next check: 2026-10-18 00:51:30.399735