Kubernetes en K5 – Hecho Fácil

2017-05-26

Kubernetes en K5 – Hecho Fácil

Machine-translated from English. Read the English original

Así que ya he vuelto de la Cumbre OpenStack de Boston hace casi 2 semanas… qué semana tan divertida para un geek. Comiendo, bebiendo y durmiendo tecnología… me encanta. Fue genial conocer a tantos geeks afines y saber qué están descubriendo los clientes en sus diversos viajes por la nube. Si alguien desea ver una repetición de mi presentación sobre Fujitsu Cloud Service K5, puede verla en YouTube aquí – (definitivamente necesito bajar unos pocos kilos)

Contenido incrustado

Un tema predominante en esta Cumbre OpenStack fue cómo Kubernetes y OpenStack son buenos compañeros, al igual que la mermelada de fresas y la nata… ¿quién se apunta a un té con nata…? casi es verano.

Sin embargo, el gran debate británico sobre el té con nata continúa…

straeberriesandcream

Algunas personas quieren usar Kubernetes para desplegar OpenStack como una aplicación 'kube', mientras que otras ven Kubernetes como la capa de orquestación de contenedores sobre OpenStack. Veo mérito en ambas rutas, pero me mantendré al margen hasta que la comunidad decida si habrá algún ganador definitivo. De cualquier manera, estas serán soluciones complejas de depurar cuando algo salga mal – en mi opinión, quien tenga la herramienta de autocuración más sencilla ganará esta carrera.

Infraestructura como Código – Plantillas Heat de OpenStack para Desplegar Kubernetes

En el siguiente ejemplo, he creado una pila Heat que despliega Kubernetes sobre la infraestructura como servicio (IaaS) de Fujitsu Cloud Service K5. La pila Heat construye la infraestructura prerequisito en K5 y luego uno de los servidores desplegados utiliza el Proyecto Kubernetes Kargo, que emplea un ansible-playbook para instalar y configurar la capa PaaS de Kubernetes.

Te he proporcionado una elección de 2 plantillas:

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heat_template_version: 2013-05-23
# Author: Graham Land
# Date: 26/05/2017
# Purpose: Deploy Kubernetes on Fujitsu's K5 IaaS Platform
#
# Twitter: @allthingsclowd
# Blog: https://allthingscloud.eu
# Gist: https://gist.github.com/allthingsclowd/4814fb3895ef5842befbb90cdf93244e
#
description: Simple Kubernetes Non HA Deployment
# Input parameters
parameters:
k5_image:
type: string
label: Image name or ID
description: Image to be used for compute instance
default: "CentOS 7.2 64bit (English) 02"
flavor:
type: string
label: Flavor
description: Type of instance (flavor) to be used
default: "S-1"
key_az_1:
type: string
label: Key name
description: Name of key-pair to be used for compute instance
default: "KUBE-KP-AZ1"
public_net_az1:
type: string
label: external network ID
description: Public network
default: "73598426-3678-4eb6-8131-9007770d3ccd"
az1:
type: string
label: Availability Zone
description: Region AZ to use
default: "de-1a"
az1_dns:
type: string
label: Availability Zone DNS Servers
description: Availability Zone DNS Servers to use
default: ["185.149.225.9", "185.149.225.10"]
my_ip:
type: string
label: External management IP
description: IP address allowed for access to jump server on SSH
default: "165.120.203.180/32"
kube_router:
type: string
label: Kubernetes Router Used to Provide External Access to VMs
description: Kubernetes Router Used to Provide External Access to VMs
default: "020d1ecc-0fd5-40ec-aa69-cc49e7eb98b1"
default_security_group:
type: string
label: Kubernetes Router Used to Provide External Access to VMs
description: Kubernetes Router Used to Provide External Access to VMs
default: "0b816413-cba5-4163-b809-73faf8d598c7"
kube_service_network:
type: string
label: Kube services network
description: Kubernetes Services Network
default: "10.233.0.0/18"
kube_pod_network:
type: string
label: Kube pods network
description: Kubernetes Pods Network
default: "10.233.64.0/18"
# K5 Infrastructure resources to be built
resources:
# Create a private network in availability zone 1
kube_private_net_az1:
type: OS::Neutron::Net
properties:
availability_zone: { get_param: az1 }
name: "kube_private_net1"
# Create a new subnet on the private network
kube_private_subnet_az1:
type: OS::Neutron::Subnet
depends_on: kube_private_net_az1
properties:
availability_zone: { get_param: az1 }
name: "Kube_private_subnet_az1"
network_id: { get_resource: kube_private_net_az1 }
cidr: "192.168.200.0/24"
gateway_ip: "192.168.200.254"
allocation_pools:
– start: "192.168.200.100"
end: "192.168.200.150"
dns_nameservers: ["185.149.225.9", "185.149.225.10"]
# Connect an interface on the web tier network's subnet to the router
az1_router_interface:
type: OS::Neutron::RouterInterface
depends_on: [kube_private_subnet_az1]
properties:
router_id: { get_param: kube_router }
subnet_id: { get_resource: kube_private_subnet_az1 }
# Create jump server security group
jump_security_group:
type: OS::Neutron::SecurityGroup
properties:
description: kube stack jump server security group
name: kube-jumpbox
rules:
# allow inbound ssh from my ip
– remote_ip_prefix: { get_param: my_ip }
protocol: tcp
port_range_min: 22
port_range_max: 22
– remote_ip_prefix: { get_param: my_ip }
protocol: icmp
# Create lbaas server security group
app_frontend_security_group:
type: OS::Neutron::SecurityGroup
properties:
description: kube stack network connector security group
name: sock-shop-frontend
rules:
# allow http traffic to etcd sock-shop service
– remote_ip_prefix: "0.0.0.0/0"
protocol: tcp
port_range_min: 30001
port_range_max: 30001
################### JumpBox – AZ 1 ######################################################################
# Create a new port for the server interface, assign an ip address and security group
jump-server-port:
type: OS::Neutron::Port
depends_on: [ jump_security_group ]
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
security_groups: [{ get_resource: jump_security_group }, { get_param: default_security_group }]
# Allocate a floating/global ip address
jump-server-floating-ip:
type: OS::Neutron::FloatingIP
properties:
availability_zone: { get_param: az1 }
floating_network_id: { get_param: public_net_az1 }
# Assign a floating/global ip address to the fixed server ip address
jump-server-floating-ip-association:
type: OS::Neutron::FloatingIPAssociation
depends_on: jump-server-floating-ip
properties:
floatingip_id: { get_resource: jump-server-floating-ip }
port_id: { get_resource: jump-server-port }
# Create a system volume for use with the server
jump-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "jump-box-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
jump-server:
type: OS::Nova::Server
depends_on: [ etcd1-server, worker1-server, worker2-server, jump-server-port ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: jump-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
# Create private key file to enable SSH to remaining servers in the environment
user_data_format: RAW
user_data:
str_replace:
template:
#cloud-config
write_files:
– path: /root/.ssh/id_rsa
content:
—–BEGIN RSA PRIVATE KEY—–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—–END RSA PRIVATE KEY—–
– path: /home/k5user/kubernetes.cfg
content:
[etcd]
$etcd1_az1_ip
[kube-master]
$etcd1_az1_ip
[kube-node]
$worker1_az1_ip
$worker2_az1_ip
[k8s-cluster:children]
kube-node
kube-master
runcmd:
– chmod 0600 /root/.ssh/id_rsa
– yum makecache fast
– yum install -y git
– yum install -y epel-release
– yum install -y ansible
– yum install -y python-netaddr
– yum install -y python-pip
– pip install –upgrade pip
– pip install –upgrade jinja2
– mkdir -p /home/k5user/kubernetes/kargo
– git clone https://github.com/kubernetes-incubator/kargo.git /home/k5user/kubernetes/kargo
– cd /home/k5user/kubernetes/kargo
– git reset –hard 9e64267
– cp /home/k5user/kubernetes.cfg /home/k5user/kubernetes/kargo/inventory/inventory.cfg
– ansible-playbook -u k5user -b -i inventory/inventory.cfg cluster.yml
– ssh k5user@$etcd1_az1_ip 'kubectl create -f "https://github.com/microservices-demo/microservices-demo/blob/master/deploy/kubernetes/complete-demo.yaml?raw=true"'
– ssh k5user@$etcd1_az1_ip 'kubectl version && kubectl get nodes && kubectl get pods –all-namespaces && sudo docker ps'
params:
$etcd1_az1_ip: { get_attr: [ etcd1-server, first_address ] }
$worker1_az1_ip: { get_attr: [ worker1-server, first_address ] }
$worker2_az1_ip: { get_attr: [ worker2-server, first_address ] }
message: "Installation Complete"
name: "kube-jumpbox-az1"
networks:
– port: { get_resource: jump-server-port }
##########################################################################################################
################### Kube etcd master 1 – Net 1 – AZ 1 ##############################################################################
# Create a new port for the server interface, assign an ip address and security group
etcd1-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
security_groups: [{ get_resource: app_frontend_security_group }, { get_param: default_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Allocate a floating/global ip address
etcd1-server-floating-ip:
type: OS::Neutron::FloatingIP
properties:
availability_zone: { get_param: az1 }
floating_network_id: { get_param: public_net_az1 }
# Assign a floating/global ip address to the fixed server ip address
etcd1-server-floating-ip-association:
type: OS::Neutron::FloatingIPAssociation
depends_on: jump-server-floating-ip
properties:
floatingip_id: { get_resource: etcd1-server-floating-ip }
port_id: { get_resource: etcd1-server-port }
# Create a system volume for use with the server
etcd1-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "etcd1-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
etcd1-server:
type: OS::Nova::Server
# depends_on: [ jump-server,etcd3-server,etcd1-server-port,etcd1-sys-vol ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: etcd1-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "etcd1_az1"
networks:
– port: { get_resource: etcd1-server-port }
###########################################################################################################
################### worker 1 – Net 1 – AZ 1 ##############################################################################
# Create a new port for the server interface, assign an ip address and security group
worker1-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
# security_groups: [{ get_resource: web_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
worker1-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "worker1-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
worker1-server:
type: OS::Nova::Server
# depends_on: [ jump-server ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: worker1-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "worker1_az1"
networks:
– port: { get_resource: worker1-server-port }
###########################################################################################################
################### worker 2 – Net 1 – AZ 1 ##############################################################################
# Create a new port for the server interface, assign an ip address and security group
worker2-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
# security_groups: [{ get_resource: web_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
worker2-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "worker2-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
worker2-server:
type: OS::Nova::Server
# depends_on: [ jump-server ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: worker2-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "worker2_az1"
networks:
– port: { get_resource: worker2-server-port }
###########################################################################################################

ver raw
K5-Kubernetes-Non-HA.yml
alojado con ❤ por GitHub

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heat_template_version: 2013-05-23
# Author: Graham Land
# Date: 26/05/2017
# Purpose: Deploy Kubernetes on Fujitsu's K5 IaaS Platform
#
# Twitter: @allthingsclowd
# Blog: https://allthingscloud.eu
#
#
description: Highly Available (multiple etcd & minions across AZs) Kubernetes Cluster
# Input parameters
parameters:
k5_image:
type: string
label: Image name or ID
description: Image to be used for compute instance
default: "CentOS 7.2 64bit (English) 02"
flavor:
type: string
label: Flavor
description: Type of instance (flavor) to be used
default: "S-1"
key_az_1:
type: string
label: Key name
description: Name of key-pair to be used for compute instance
default: "KUBE-KP-AZ1"
key_az_2:
type: string
label: Key name
description: Name of key-pair to be used for compute instance
default: "KUBE-KP-AZ2"
public_net_az1:
type: string
label: external network ID
description: Public network
default: "73598426-3678-4eb6-8131-9007770d3ccd"
public_net_az2:
type: string
label: external network ID
description: Public network
default: "58e863e5-7d31-4f32-9178-370a3288db42"
az1:
type: string
label: Availability Zone
description: Region AZ to use
default: "de-1a"
az2:
type: string
label: Availability Zone
description: Region AZ to use
default: "de-1b"
my_ip:
type: string
label: External management IP
description: IP address allowed for access to jump server on SSH
default: "86.187.115.18/32"
kube_router:
type: string
label: Kubernetes Router Used to Provide External Access to VMs
description: Kubernetes Router Used to Provide External Access to VMs
default: "020d1ecc-0fd5-40ec-aa69-cc49e7eb98b1"
kube_router_az2:
type: string
label: Kubernetes Router Used to Provide External Access to VMs
description: Kubernetes Router Used to Provide External Access to VMs
default: "b48771b7-3fcc-4da1-b925-d3cbfe641381"
default_security_group:
type: string
label: Kubernetes Router Used to Provide External Access to VMs
description: Kubernetes Router Used to Provide External Access to VMs
default: "0b816413-cba5-4163-b809-73faf8d598c7"
kube_service_network:
type: string
label: Kube services network
description: Kubernetes Services Network
default: "10.233.0.0/18"
kube_pod_network:
type: string
label: Kube pods network
description: Kubernetes Pods Network
default: "10.233.64.0/18"
# K5 Infrastructure resources to be built
resources:
# Create a private network in availability zone 1
kube_private_net_az1:
type: OS::Neutron::Net
properties:
availability_zone: { get_param: az1 }
name: "kube_private_net1"
# Create a new subnet on the private network
kube_private_subnet_az1:
type: OS::Neutron::Subnet
depends_on: kube_private_net_az1
properties:
availability_zone: { get_param: az1 }
name: "Kube_private_subnet_az1"
network_id: { get_resource: kube_private_net_az1 }
cidr: "192.168.200.0/24"
gateway_ip: "192.168.200.254"
allocation_pools:
– start: "192.168.200.100"
end: "192.168.200.150"
dns_nameservers: ["185.149.225.9", "185.149.225.10"]
host_routes: [{"nexthop": "192.168.200.253", "destination": "10.11.200.0/24"}]
# Connect an interface on the web tier network's subnet to the router
az1_router_interface:
type: OS::Neutron::RouterInterface
depends_on: [kube_private_subnet_az1]
properties:
router_id: { get_param: kube_router }
subnet_id: { get_resource: kube_private_subnet_az1 }
# Create another private network in availability zone 1
kube_private_net_az2:
type: OS::Neutron::Net
properties:
availability_zone: { get_param: az2 }
name: "kube_private_net2"
# Create a new subnet on the private network
kube_private_subnet_az2:
type: OS::Neutron::Subnet
depends_on: kube_private_net_az2
properties:
availability_zone: { get_param: az2 }
name: "kube_private_subnet_az2"
network_id: { get_resource: kube_private_net_az2 }
cidr: "10.11.200.0/24"
gateway_ip: "10.11.200.254"
allocation_pools:
– start: "10.11.200.100"
end: "10.11.200.150"
dns_nameservers: ["185.149.227.9", "185.149.227.10"]
host_routes: [{"nexthop": "10.11.200.253", "destination": "192.168.200.0/24"}]
# Connect an interface on the web tier network's subnet to the router
az2_router_interface:
type: OS::Neutron::RouterInterface
depends_on: [kube_private_subnet_az2]
properties:
router_id: { get_param: kube_router_az2 }
subnet_id: { get_resource: kube_private_subnet_az2 }
# Create jump server security group
jump_security_group:
type: OS::Neutron::SecurityGroup
properties:
description: kube stack jump server security group
name: kube-jumpbox
rules:
# allow inbound ssh from my ip
– remote_ip_prefix: { get_param: my_ip }
protocol: tcp
port_range_min: 22
port_range_max: 22
– remote_ip_prefix: { get_param: my_ip }
protocol: icmp
# Create network connector server security group
nc_security_group:
type: OS::Neutron::SecurityGroup
properties:
description: kube stack network connector security group
name: kube-network-connector
rules:
# allow full tcp and udp communication internally
– remote_ip_prefix: "0.0.0.0/0"
protocol: tcp
– remote_ip_prefix: "0.0.0.0/0"
protocol: udp
– remote_ip_prefix: "0.0.0.0/0"
protocol: icmp
# Create lbaas server security group
lbaas_security_group:
type: OS::Neutron::SecurityGroup
properties:
description: kube stack network connector security group
name: kube-load-balancer
rules:
# allow http traffic to etcd sock-shop service
– remote_ip_prefix: "0.0.0.0/0"
protocol: tcp
port_range_min: 30001
port_range_max: 30001
– remote_ip_prefix: "0.0.0.0/0"
protocol: tcp
port_range_min: 80
port_range_max: 80
############################### AZ Interconnect ###########################################################
az1_nc_port:
type: OS::Neutron::Port
depends_on: [ nc_security_group ]
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
security_groups: [{ get_param: default_security_group }]
fixed_ips:
– subnet_id: { get_resource: kube_private_subnet_az1 }
ip_address: '192.168.200.253'
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
az2_nc_port:
type: OS::Neutron::Port
depends_on: [ nc_security_group ]
properties:
availability_zone: { get_param: az2 }
network_id: { get_resource: kube_private_net_az2 }
security_groups: [{ get_param: default_security_group }]
fixed_ips:
– subnet_id: { get_resource: kube_private_subnet_az2 }
ip_address: '10.11.200.253'
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
az1_network_connector:
type: FCX::Neutron::NetworkConnector
depends_on: [ az1_nc_port,az2_nc_port ]
properties:
name: "kube_connector"
az1_nc_endpoint:
type: FCX::Neutron::NetworkConnectorEndpoint
depends_on: [ az1_nc_port,az2_nc_port ]
properties:
endpoint_type: "availability_zone"
name: "kube_ep_az1"
network_connector_id: { get_resource: az1_network_connector }
location: { get_param: az1 }
az2_nc_endpoint:
type: FCX::Neutron::NetworkConnectorEndpoint
depends_on: [ az1_nc_port,az2_nc_port ]
properties:
endpoint_type: "availability_zone"
name: "kube_ep_az2"
network_connector_id: { get_resource: az1_network_connector }
location: { get_param: az2 }
az1_endpoint_connection:
type: FCX::Neutron::NetworkConnectorEndpointConnection
depends_on: [ az1_nc_port,az2_nc_port ]
properties:
port_id: { get_resource: az1_nc_port }
network_connector_endpoint_id: { get_resource: az1_nc_endpoint }
az2_endpoint_connection:
type: FCX::Neutron::NetworkConnectorEndpointConnection
depends_on: [ az1_nc_port,az2_nc_port ]
properties:
port_id: { get_resource: az2_nc_port }
network_connector_endpoint_id: { get_resource: az2_nc_endpoint }
#########################################################################################################
# AZ Load Balancer
Kube_LBaaS:
type: FCX::ExpandableLoadBalancer::LoadBalancer
depends_on: [ worker1-server, worker2-server, worker3-server ]
properties:
Subnets: [{get_resource: kube_private_subnet_az1}, {get_resource: kube_private_subnet_az2}]
Instances: [{get_resource: worker1-server}, {get_resource: worker2-server}, {get_resource: worker3-server}]
Listeners:
– {LoadBalancerPort: '80',
InstancePort: '30001',
Protocol: 'HTTP',
InstanceProtocol: 'HTTP' }
HealthCheck: {Target: 'HTTP:30001/index.html',
HealthyThreshold: '3',
UnhealthyThreshold: '5',
Interval: '30',
Timeout: '5'}
Version: 2014-09-30
Scheme: public
LoadBalancerName: kubelbaas
SecurityGroups: [ {get_resource: lbaas_security_group} ]
# ################### JumpBox – AZ 1 ######################################################################
################### JumpBox – AZ 1 ######################################################################
# Create a new port for the server interface, assign an ip address and security group
jump-server-port:
type: OS::Neutron::Port
depends_on: [ jump_security_group ]
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
security_groups: [{ get_resource: jump_security_group }, { get_param: default_security_group }]
# Allocate a floating/global ip address
jump-server-floating-ip:
type: OS::Neutron::FloatingIP
properties:
availability_zone: { get_param: az1 }
floating_network_id: { get_param: public_net_az1 }
# Assign a floating/global ip address to the fixed server ip address
jump-server-floating-ip-association:
type: OS::Neutron::FloatingIPAssociation
depends_on: jump-server-floating-ip
properties:
floatingip_id: { get_resource: jump-server-floating-ip }
port_id: { get_resource: jump-server-port }
# Create a system volume for use with the server
jump-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "Kube-JumpBox"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
jump-server:
type: OS::Nova::Server
depends_on: [ etcd1-server, etcd2-server, etcd3-server, worker1-server, worker2-server, worker3-server, jump-server-port ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: jump-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
# Create private key file to enable SSH to remaining servers in the environment
user_data_format: RAW
user_data:
str_replace:
template:
#cloud-config
write_files:
– path: /root/.ssh/id_rsa
content:
—–BEGIN RSA PRIVATE KEY—–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—–END RSA PRIVATE KEY—–
– path: /home/k5user/kubernetes.cfg
content:
[etcd]
$etcd1_az1_ip
$etcd2_az1_ip
$etcd3_az2_ip
[kube-master]
$etcd1_az1_ip
[kube-node]
$worker1_az1_ip
$worker2_az1_ip
$worker3_az2_ip
[k8s-cluster:children]
kube-node
kube-master
runcmd:
– chmod 0600 /root/.ssh/id_rsa
– yum makecache fast
– yum install -y git
– yum install -y epel-release
– yum install -y ansible
– yum install -y python-netaddr
– yum install -y python-pip
– pip install –upgrade pip
– pip install –upgrade jinja2
– mkdir -p /home/k5user/kubernetes/kargo
– git clone https://github.com/kubernetes-incubator/kargo.git /home/k5user/kubernetes/kargo
– cp /home/k5user/kubernetes.cfg /home/k5user/kubernetes/kargo/inventory/inventory.cfg
– cd /home/k5user/kubernetes/kargo
– ansible-playbook -u k5user -b -i inventory/inventory.cfg cluster.yml
– sleep 180
– ssh k5user@$etcd1_az1_ip 'kubectl create -f "https://github.com/microservices-demo/microservices-demo/blob/master/deploy/kubernetes/complete-demo.yaml?raw=true"'
– sleep 180
– ssh k5user@$etcd1_az1_ip 'kubectl get cs && kubectl cluster-info dump && kubectl version && kubectl get nodes && kubectl get pods –all-namespaces && sudo docker ps'
– ssh k5user@$etcd3_az2_ip 'kubectl get cs && kubectl cluster-info dump && kubectl version && kubectl get nodes && kubectl get pods –all-namespaces && sudo docker ps'
– ssh k5user@$etcd2_az1_ip 'kubectl get cs && kubectl cluster-info dump && kubectl version && kubectl get nodes && kubectl get pods –all-namespaces && sudo docker ps'
params:
$etcd1_az1_ip: { get_attr: [ etcd1-server, first_address ] }
$etcd2_az1_ip: { get_attr: [ etcd2-server, first_address ] }
$etcd3_az2_ip: { get_attr: [ etcd3-server, first_address ] }
$worker1_az1_ip: { get_attr: [ worker1-server, first_address ] }
$worker2_az1_ip: { get_attr: [ worker2-server, first_address ] }
$worker3_az2_ip: { get_attr: [ worker3-server, first_address ] }
message: "Installation Complete"
name: "kube-jumpbox-az1"
networks:
– port: { get_resource: jump-server-port }
##########################################################################################################
################### Kube etcd master 1 – Net 1 – AZ 1 ##############################################################################
# Create a new port for the server interface, assign an ip address and security group
etcd1-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
# security_groups: [{ get_param: default_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
etcd1-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "etcd1-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
etcd1-server:
type: OS::Nova::Server
# depends_on: [ jump-server,etcd3-server,etcd1-server-port,etcd1-sys-vol ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: etcd1-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "etcd1_az1"
networks:
– port: { get_resource: etcd1-server-port }
###########################################################################################################
################### Kube etcd master 2 – Net 1 – AZ 1 ##############################################################################
# Create a new port for the server interface, assign an ip address and security group
etcd2-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
# security_groups: [{ get_resource: web_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
etcd2-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "etcd2-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
etcd2-server:
type: OS::Nova::Server
# depends_on: [ jump-server,etcd3-server,etcd1-server-port,etcd1-sys-vol ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: etcd2-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "etcd2_az1"
networks:
– port: { get_resource: etcd2-server-port }
###########################################################################################################
################### Kube etcd master 3 – Net 1 – AZ2 #####################################################
etcd3-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az2 }
network_id: { get_resource: kube_private_net_az2 }
#security_groups: [{ get_param: default_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
etcd3-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az2 }
name: "etcd3-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
etcd3-server:
type: OS::Nova::Server
# depends_on: [ jump-server ]
properties:
key_name: { get_param: key_az_2 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: etcd3-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "etcd3_az2"
networks:
– port: { get_resource: etcd3-server-port }
###########################################################################################################
################### worker 1 – Net 1 – AZ 1 ##############################################################################
# Create a new port for the server interface, assign an ip address and security group
worker1-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
security_groups: [{ get_resource: lbaas_security_group }, { get_param: default_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
worker1-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "worker1-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
worker1-server:
type: OS::Nova::Server
# depends_on: [ jump-server ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: worker1-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "worker1_az1"
networks:
– port: { get_resource: worker1-server-port }
###########################################################################################################
################### worker 2 – Net 1 – AZ 1 ##############################################################################
# Create a new port for the server interface, assign an ip address and security group
worker2-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az1 }
network_id: { get_resource: kube_private_net_az1 }
security_groups: [{ get_resource: lbaas_security_group }, { get_param: default_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
worker2-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az1 }
name: "worker2-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
worker2-server:
type: OS::Nova::Server
# depends_on: [ jump-server ]
properties:
key_name: { get_param: key_az_1 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: worker2-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "worker2_az1"
networks:
– port: { get_resource: worker2-server-port }
##########################################################################################################
################### worker 3 – Net 1 – AZ 2 ################################################################
# Create a new port for the server interface, assign an ip address and security group
worker3-server-port:
type: OS::Neutron::Port
properties:
availability_zone: { get_param: az2 }
network_id: { get_resource: kube_private_net_az2 }
security_groups: [{ get_resource: lbaas_security_group }, { get_param: default_security_group }]
allowed_address_pairs:
– ip_address: { get_param: kube_service_network }
– ip_address: { get_param: kube_pod_network }
# Create a system volume for use with the server
worker3-sys-vol:
type: OS::Cinder::Volume
properties:
availability_zone: { get_param: az2 }
name: "worker3-boot-vol"
size: 30
volume_type: "M1"
image : { get_param: k5_image }
# Build a server using the system volume defined above
worker3-server:
type: OS::Nova::Server
# depends_on: [ jump-server ]
properties:
key_name: { get_param: key_az_2 }
image: { get_param: k5_image }
flavor: { get_param: flavor }
admin_user: k5user
metadata: { "fcx.autofailover": True }
block_device_mapping: [{"volume_size": "30", "volume_id": {get_resource: worker3-sys-vol}, "delete_on_termination": True, "device_name": "/dev/vda"}]
name: "worker3_az2"
networks:
– port: { get_resource: worker3-server-port }
###########################################################################################################

ver raw
K5_HA_Kubernetes.yml
alojado con ❤ por GitHub

Notas: No soy un gurú de Kubernetes; estas son plantillas Heat de ejemplo que te permitirán poner Kubernetes en funcionamiento rápidamente en Fujitsu K5 con fines de evaluación. No han sido diseñadas pensando en cargas de trabajo de producción. Kubernetes sigue siendo un producto relativamente joven que necesita mejoras en sus componentes de multi-tenencia y seguridad antes de estar listo para el mercado empresarial de producción general – a menos, por supuesto, que tengas un equipo de desarrolladores ansiosos por empezar a programar; esa es la belleza de las iniciativas de código abierto.

El TIPO LoadBalancer de Kubernetes es API compatible con GCE, sorpresa, sorpresa, y también con AWS. Aunque he intentado colocar un LoadBalancer de K5 delante de los minions, parece que necesita más depuración ya que solo obtengo devoluciones parciales de página y se me ha acabado el tiempo para depurar más… actualmente solo puedo jugar con Kubernetes por las noches. Como no utilizamos un LBaaS nativo de OpenStack v1 o v2, estos no eran adecuados para el propósito en el momento del despliegue de K5, desafortunadamente tampoco pude aprovechar su solución LBaaS de Kubernetes.

Si necesitas una solución de grado de producción en K5, Kubernetes ha sido deliberadamente arquitecturado para facilitar plugins, por lo que no sería tan difícil 'crear tu propio' API LBaaS. Y gracias al espíritu de la comunidad, Concur, ya ha hecho la mayor parte del trabajo duro para nosotros proporcionando una plantilla de ayuda aquí – https://github.com/concur/kubegowatcher.

Requisitos Previos del Despliegue

Por favor, presta mucha atención a los parámetros de entrada y asegúrate de configurarlos para que coincidan con tu entorno antes del despliegue.

Una vez desplegado, inicia sesión en el JumpBox y desde allí podrás acceder a todos los nodos kube.

Comandos Útiles:

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# check version
kubectl version
# list kube nodes
kubectl get nodes
# list pods
kubectl get pods –all-namespaces
# check docker
sudo docker ps
# deploy demo application
kubectl create -f "https://github.com/microservices-demo/microservices-demo/blob/master/deploy/kubernetes/complete-demo.yaml?raw=true"
# check application status
kubectl get pod –namespace=sock-shop
# view the application service
kubectl describe svc front-end -n sock-shop
# delete demo application
kubectl delete -f "https://github.com/microservices-demo/microservices-demo/blob/master/deploy/kubernetes/complete-demo.yaml?raw=true"

ver raw
Kubectl.txt
alojado con ❤ por GitHub

¡Feliz Apilamiento!

conk5puedes

Originally published on allthingscloud.eu (2017-05-26).

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