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Orchestration
Overview
- Docker swarm / compose
- Kubernetes (k8s) / Minikube / Kubespray
- OpenShift (productized k8s) / OKD
- Nomad
- Mesos
- Rancher
Docker swarm
Mesos
Resource manager: Pool resources of data center, expose API for Frameworks with scheduling and job management logic.
Architecture: Zookeeper dependency
Frameworks on top: Aurora, Marathon
Nomad
General purpose: virtualized, containerized and standalone apps
Simpler architecture: Client and server binaries
Composing with Consul (service discovery) and Vault (secret management)
Scale: > 10.000 nodes (stated by HashiCorp)
Locations: multi-datacenter, multi-region
OpenShift
Requirements: RHEL, CoreOS, CentOS
Enhanced security: No root containers, RBAC, integration with AD
Additional components: Internal container registry, EFK logging stack, Prometheus Monitoring, Jenkins
Templates: No Helm
Ingress: Router instead of Ingress
Rancher
K8s distribution
Simplification of Kubernetes deployment / management