summaryrefslogtreecommitdiff
path: root/doc/development/architecture.md
diff options
context:
space:
mode:
authorGitLab Bot <gitlab-bot@gitlab.com>2021-02-18 10:34:06 +0000
committerGitLab Bot <gitlab-bot@gitlab.com>2021-02-18 10:34:06 +0000
commit859a6fb938bb9ee2a317c46dfa4fcc1af49608f0 (patch)
treed7f2700abe6b4ffcb2dcfc80631b2d87d0609239 /doc/development/architecture.md
parent446d496a6d000c73a304be52587cd9bbc7493136 (diff)
downloadgitlab-ce-859a6fb938bb9ee2a317c46dfa4fcc1af49608f0.tar.gz
Add latest changes from gitlab-org/gitlab@13-9-stable-eev13.9.0-rc42
Diffstat (limited to 'doc/development/architecture.md')
-rw-r--r--doc/development/architecture.md86
1 files changed, 45 insertions, 41 deletions
diff --git a/doc/development/architecture.md b/doc/development/architecture.md
index f8ab97de848..69055131ae8 100644
--- a/doc/development/architecture.md
+++ b/doc/development/architecture.md
@@ -91,6 +91,8 @@ The simplest way to ensure this, is to add support for your feature or service t
[the official GitLab Helm chart](https://docs.gitlab.com/charts/) or reach out to
[the Distribution team](https://about.gitlab.com/handbook/engineering/development/enablement/distribution/#how-to-work-with-distribution).
+Refer to the [process for adding new service components](adding_service_component.md) for more details.
+
### Simplified component overview
This is a simplified architecture diagram that can be used to
@@ -225,52 +227,54 @@ Component statuses are linked to configuration documentation for each component.
Table description links:
- [Omnibus GitLab](https://docs.gitlab.com/omnibus/)
+- [GitLab Environment Toolkit (GET)](https://gitlab.com/gitlab-org/quality/gitlab-environment-toolkit)
- [GitLab chart](https://docs.gitlab.com/charts/)
- [Minikube Minimal](https://docs.gitlab.com/charts/development/minikube/#deploying-gitlab-with-minimal-settings)
- [GitLab.com](https://gitlab.com)
- [Source](../install/installation.md)
- [GDK](https://gitlab.com/gitlab-org/gitlab-development-kit)
-| Component | Description | Omnibus GitLab | GitLab chart | Minikube Minimal | GitLab.com | Source | GDK | CE/EE |
-|-------------------------------------------------------|----------------------------------------------------------------------|:--------------:|:------------:|:----------------:|:----------:|:------:|:---:|:-------:|
-| [Certificate Management](#certificate-management) | TLS Settings, Let's Encrypt | ✅ | ✅ | ⚙ | ✅ | ⚙ | ⚙ | CE & EE |
-| [Consul](#consul) | Database node discovery, failover | ⚙ | ❌ | ❌ | ✅ | ❌ | ❌ | EE Only |
-| [Database Migrations](#database-migrations) | Database migrations | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
-| [Elasticsearch](#elasticsearch) | Improved search within GitLab | ⤓ | ⤓ | ⤓ | ✅ | ⤓ | ⤓ | EE Only |
-| [Gitaly](#gitaly) | Git RPC service for handling all Git calls made by GitLab | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
-| [GitLab Exporter](#gitlab-exporter) | Generates a variety of GitLab metrics | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | CE & EE |
-| [GitLab Geo Node](#gitlab-geo) | Geographically distributed GitLab nodes | ⚙ | ⚙ | ❌ | ✅ | ❌ | ⚙ | EE Only |
-| [GitLab Managed Apps](#gitlab-managed-apps) | Deploy Helm, Ingress, Cert-Manager, Prometheus, GitLab Runner, JupyterHub, or Knative to a cluster | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | CE & EE |
-| [GitLab Pages](#gitlab-pages) | Hosts static websites | ⚙ | ❌ | ❌ | ✅ | ⚙ | ⚙ | CE & EE |
-| [GitLab Kubernetes Agent](#gitlab-kubernetes-agent) | Integrate Kubernetes clusters in a cloud-native way | ⚙ | ⚙ | ❌ | ❌ | ⤓ | ⚙ | EE Only |
-| [GitLab self-monitoring: Alertmanager](#alertmanager) | Deduplicates, groups, and routes alerts from Prometheus | ⚙ | ✅ | ⚙ | ✅ | ❌ | ❌ | CE & EE |
-| [GitLab self-monitoring: Grafana](#grafana) | Metrics dashboard | ✅ | ⚙ | ⤓ | ✅ | ❌ | ❌ | CE & EE |
-| [GitLab self-monitoring: Jaeger](#jaeger) | View traces generated by the GitLab instance | ❌ | ⚙ | ❌ | ❌ | ⤓ | ⚙ | CE & EE |
-| [GitLab self-monitoring: Prometheus](#prometheus) | Time-series database, metrics collection, and query service | ✅ | ✅ | ⚙ | ✅ | ❌ | ❌ | CE & EE |
-| [GitLab self-monitoring: Sentry](#sentry) | Track errors generated by the GitLab instance | ⤓ | ⤓ | ❌ | ✅ | ⤓ | ⤓ | CE & EE |
-| [GitLab Shell](#gitlab-shell) | Handles `git` over SSH sessions | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
-| [GitLab Workhorse](#gitlab-workhorse) | Smart reverse proxy, handles large HTTP requests | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
-| [Inbound email (SMTP)](#inbound-email) | Receive messages to update issues | ⤓ | ⚙ | ⤓ | ✅ | ⤓ | ⤓ | CE & EE |
-| [Jaeger integration](#jaeger) | Distributed tracing for deployed apps | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | EE Only |
-| [LDAP Authentication](#ldap-authentication) | Authenticate users against centralized LDAP directory | ⤓ | ⤓ | ⤓ | ❌ | ⤓ | ⤓ | CE & EE |
-| [Mattermost](#mattermost) | Open-source Slack alternative | ⚙ | ⤓ | ⤓ | ⤓ | ❌ | ❌ | CE & EE |
-| [MinIO](#minio) | Object storage service | ⤓ | ✅ | ✅ | ✅ | ❌ | ⚙ | CE & EE |
-| [NGINX](#nginx) | Routes requests to appropriate components, terminates SSL | ✅ | ✅ | ⚙ | ✅ | ⤓ | ❌ | CE & EE |
-| [Node Exporter](#node-exporter) | Prometheus endpoint with system metrics | ✅ | N/A | N/A | ✅ | ❌ | ❌ | CE & EE |
-| [Outbound email (SMTP)](#outbound-email) | Send email messages to users | ⤓ | ⚙ | ⤓ | ✅ | ⤓ | ⤓ | CE & EE |
-| [Patroni](#patroni) | Manage PostgreSQL HA cluster leader selection and replication | ⚙ | ❌ | ❌ | ✅ | ❌ | ❌ | EE Only |
-| [PgBouncer Exporter](#pgbouncer-exporter) | Prometheus endpoint with PgBouncer metrics | ⚙ | ❌ | ❌ | ✅ | ❌ | ❌ | CE & EE |
-| [PgBouncer](#pgbouncer) | Database connection pooling, failover | ⚙ | ❌ | ❌ | ✅ | ❌ | ❌ | EE Only |
-| [PostgreSQL Exporter](#postgresql-exporter) | Prometheus endpoint with PostgreSQL metrics | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | CE & EE |
-| [PostgreSQL](#postgresql) | Database | ✅ | ✅ | ✅ | ✅ | ⤓ | ✅ | CE & EE |
-| [Praefect](#praefect) | A transparent proxy between any Git client and Gitaly storage nodes. | ✅ | ⚙ | ❌ | ✅ | ⚙ | ✅ | CE & EE |
-| [Redis Exporter](#redis-exporter) | Prometheus endpoint with Redis metrics | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | CE & EE |
-| [Redis](#redis) | Caching service | ✅ | ✅ | ✅ | ✅ | ⤓ | ✅ | CE & EE |
-| [Registry](#registry) | Container registry, allows pushing and pulling of images | ⚙ | ✅ | ✅ | ✅ | ⤓ | ⚙ | CE & EE |
-| [Runner](#gitlab-runner) | Executes GitLab CI/CD jobs | ⤓ | ✅ | ⚙ | ✅ | ⚙ | ⚙ | CE & EE |
-| [Sentry integration](#sentry) | Error tracking for deployed apps | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | CE & EE |
-| [Sidekiq](#sidekiq) | Background jobs processor | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | CE & EE |
-| [Puma (GitLab Rails)](#puma) | Handles requests for the web interface and API | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
+| Component | Description | Omnibus GitLab | GitLab Environment Toolkit (GET) | GitLab chart | Minikube Minimal | GitLab.com | Source | GDK | CE/EE |
+|-------------------------------------------------------|----------------------------------------------------------------------|:--------------:|:--------------:|:------------:|:----------------:|:----------:|:------:|:---:|:-------:|
+| [Certificate Management](#certificate-management) | TLS Settings, Let's Encrypt | ✅ | ✅ | ✅ | ⚙ | ✅ | ⚙ | ⚙ | CE & EE |
+| [Consul](#consul) | Database node discovery, failover | ⚙ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | EE Only |
+| [Database Migrations](#database-migrations) | Database migrations | ✅ | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
+| [Elasticsearch](#elasticsearch) | Improved search within GitLab | ⤓ | ⚙ | ⤓ | ⤓ | ✅ | ⤓ | ⤓ | EE Only |
+| [Gitaly](#gitaly) | Git RPC service for handling all Git calls made by GitLab | ✅ | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
+| [GitLab Exporter](#gitlab-exporter) | Generates a variety of GitLab metrics | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | CE & EE |
+| [GitLab Geo Node](#gitlab-geo) | Geographically distributed GitLab nodes | ⚙ | ⚙ | ❌ | ❌ | ✅ | ❌ | ⚙ | EE Only |
+| [GitLab Kubernetes Agent](#gitlab-kubernetes-agent) | Integrate Kubernetes clusters in a cloud-native way | ⚙ | ⚙ | ⚙ | ❌ | ❌ | ⤓ | ⚙ | EE Only |
+| [GitLab Managed Apps](#gitlab-managed-apps) | Deploy Helm, Ingress, Cert-Manager, Prometheus, GitLab Runner, JupyterHub, or Knative to a cluster | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | CE & EE |
+| [GitLab Pages](#gitlab-pages) | Hosts static websites | ⚙ | ⚙ | ❌ | ❌ | ✅ | ⚙ | ⚙ | CE & EE |
+| [GitLab Kubernetes Agent](#gitlab-kubernetes-agent) | Integrate Kubernetes clusters in a cloud-native way | ⚙ | ⚙ | ⚙ | ❌ | ❌ | ⤓ | ⚙ | EE Only |
+| [GitLab self-monitoring: Alertmanager](#alertmanager) | Deduplicates, groups, and routes alerts from Prometheus | ⚙ | ⚙ | ✅ | ⚙ | ✅ | ❌ | ❌ | CE & EE |
+| [GitLab self-monitoring: Grafana](#grafana) | Metrics dashboard | ✅ | ✅ | ⚙ | ⤓ | ✅ | ❌ | ❌ | CE & EE |
+| [GitLab self-monitoring: Jaeger](#jaeger) | View traces generated by the GitLab instance | ❌ | ⚙ | ⚙ | ❌ | ❌ | ⤓ | ⚙ | CE & EE |
+| [GitLab self-monitoring: Prometheus](#prometheus) | Time-series database, metrics collection, and query service | ✅ | ✅ | ✅ | ⚙ | ✅ | ❌ | ❌ | CE & EE |
+| [GitLab self-monitoring: Sentry](#sentry) | Track errors generated by the GitLab instance | ⤓ | ⤓ | ⤓ | ❌ | ✅ | ⤓ | ⤓ | CE & EE |
+| [GitLab Shell](#gitlab-shell) | Handles `git` over SSH sessions | ✅ | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
+| [GitLab Workhorse](#gitlab-workhorse) | Smart reverse proxy, handles large HTTP requests | ✅ | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
+| [Inbound email (SMTP)](#inbound-email) | Receive messages to update issues | ⤓ | ⤓ | ⚙ | ⤓ | ✅ | ⤓ | ⤓ | CE & EE |
+| [Jaeger integration](#jaeger) | Distributed tracing for deployed apps | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | EE Only |
+| [LDAP Authentication](#ldap-authentication) | Authenticate users against centralized LDAP directory | ⤓ | ⤓ | ⤓ | ⤓ | ❌ | ⤓ | ⤓ | CE & EE |
+| [Mattermost](#mattermost) | Open-source Slack alternative | ⚙ | ⚙ | ⤓ | ⤓ | ⤓ | ❌ | ❌ | CE & EE |
+| [MinIO](#minio) | Object storage service | ⤓ | ⤓ | ✅ | ✅ | ✅ | ❌ | ⚙ | CE & EE |
+| [NGINX](#nginx) | Routes requests to appropriate components, terminates SSL | ✅ | ✅ | ✅ | ⚙ | ✅ | ⤓ | ❌ | CE & EE |
+| [Node Exporter](#node-exporter) | Prometheus endpoint with system metrics | ✅ | ✅ | N/A | N/A | ✅ | ❌ | ❌ | CE & EE |
+| [Outbound email (SMTP)](#outbound-email) | Send email messages to users | ⤓ | ⤓ | ⚙ | ⤓ | ✅ | ⤓ | ⤓ | CE & EE |
+| [Patroni](#patroni) | Manage PostgreSQL HA cluster leader selection and replication | ⚙ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | EE Only |
+| [PgBouncer Exporter](#pgbouncer-exporter) | Prometheus endpoint with PgBouncer metrics | ⚙ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | CE & EE |
+| [PgBouncer](#pgbouncer) | Database connection pooling, failover | ⚙ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ | EE Only |
+| [PostgreSQL Exporter](#postgresql-exporter) | Prometheus endpoint with PostgreSQL metrics | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | CE & EE |
+| [PostgreSQL](#postgresql) | Database | ✅ | ✅ | ✅ | ✅ | ✅ | ⤓ | ✅ | CE & EE |
+| [Praefect](#praefect) | A transparent proxy between any Git client and Gitaly storage nodes. | ✅ | ✅ | ⚙ | ❌ | ✅ | ⚙ | ✅ | CE & EE |
+| [Puma (GitLab Rails)](#puma) | Handles requests for the web interface and API | ✅ | ✅ | ✅ | ✅ | ✅ | ⚙ | ✅ | CE & EE |
+| [Redis Exporter](#redis-exporter) | Prometheus endpoint with Redis metrics | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | CE & EE |
+| [Redis](#redis) | Caching service | ✅ | ✅ | ✅ | ✅ | ✅ | ⤓ | ✅ | CE & EE |
+| [Registry](#registry) | Container registry, allows pushing and pulling of images | ⚙ | ⚙ | ✅ | ✅ | ✅ | ⤓ | ⚙ | CE & EE |
+| [Runner](#gitlab-runner) | Executes GitLab CI/CD jobs | ⤓ | ⤓ | ✅ | ⚙ | ✅ | ⚙ | ⚙ | CE & EE |
+| [Sentry integration](#sentry) | Error tracking for deployed apps | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | ⤓ | CE & EE |
+| [Sidekiq](#sidekiq) | Background jobs processor | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | CE & EE |
### Component details
@@ -934,7 +938,7 @@ ps aux | grep '^git'
```
GitLab has several components to operate. It requires a persistent database
-(PostgreSQL) and Redis database, and uses Apache `httpd` or NGINX to proxypass
+(PostgreSQL) and Redis database, and uses Apache `httpd` or NGINX to `proxypass`
Puma. All these components should run as different system users to GitLab
(for example, `postgres`, `redis`, and `www-data`, instead of `git`).