Kubernetes su K5 – Semplificato

2017-05-26

Kubernetes su K5 – Semplificato

Machine-translated from English. Read the English original

Quindi sono tornato dal Boston OpenStack Summit da quasi 2 settimane – che settimana divertente per un geek. Mangiare, bere e dormire tecnologia…mi piace. È stato un piacere incontrare così tanti colleghi geek ed è stato bello scoprire cosa stanno scoprendo i clienti nei loro vari percorsi nel cloud. Se qualcuno desidera rivedere la mia presentazione su Fujitsu Cloud Service K5 può controllarla su youtube qui – (ho decisamente bisogno di perdere qualche chilo)

Contenuto incorporato

Un tema prevalente a questo OpenStack Summit è stato come Kuberenetes e OpenStack siano ottimi compagni, proprio come la marmellata di fragole e la crema – qualcuno per un tè alla crema…è quasi estate.

Tuttavia il grande dibattito britannico sul tè alla crema continua…

straeberriesandcream

Alcuni vogliono usare Kubernetes per distribuire OpenStack come applicazione 'kube', mentre altri vedono Kubernetes come il livello di orchestrazione dei container sopra OpenStack. Vedo meriti in entrambi gli approcci, ma resterò in disparte finché la comunità non deciderà se ci sarà mai un vincitore definitivo. In ogni caso, queste saranno soluzioni complesse da eseguire il debug quando qualcosa va storto – secondo me, chi avrà gli strumenti di auto-riparazione più semplici vincerà questa gara.

Infrastructure as Code – Modelli Heat di OpenStack per distribuire Kubernetes

Nell'esempio seguente ho creato uno stack Heat che distribuisce Kubernetes sopra l'IaaS di Fujitsu Cloud Service K5. Lo stack Heat crea l'infrastruttura prerequisita in K5 e poi uno dei server distribuiti utilizza il Progetto Kubernetes Kargo che usa un ansible-playbook per installare e configurare il livello PaaS di Kubernetes.

Ti ho fornito una scelta di 2 modelli:

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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—–
MIIEoQIBAAKCAQEA4MBSCRr6XOdLBsVSF3x3X/Y+jSoCP4walw5x/8A9g+kF9vuC
lBU32TlQD/k1B4mxODhxTi1pzmw7Se/ccu3dlGivRgKuQzplVMeCJKAd15MxTr8i
9ZKlwEj02xxBIzl58pVlHGIGVLwzxyfKtzOSFkEVdUYmJUvifoTYM5R5aWPI2Rhh
hvkxtmz+WHC67dePcrzAaE0KizRWF4xRP/ZFUXUwcB/Z2fbF5RPocARBjbZgKDb4
ufC0v9eKdn6mDQDu/Vq7VY8058efitNcfqxhx5d+t0EpwZCha6J7/3KJa9rXABzH
WrVt1Tk/1F/Z8h/VNyo0k1KLMlBlsHZH5BSMgQIBIwKCAQBmvlFjP4hk/AUKaNUS
DQNfEXuuPxb4eo/QBpqDixTOlmkgcvndS4c+ux1JIXdT5yxxeONW8DBeXVzumYlZ
HEgJVG1h1Vb6KVLk7X1SklbI8tS2SL+GNGkHcc8FFDsIydFY89ZzYALk6FIvKCIn
3Q+VJREfqwofraleaJ1ZaHIESgPzzPHoVc9//51rtqc2pjmmCu3BsJkR8isAiiyL
LiegC9FIcXXGcgeMWqFBPqHUELcZXTaUYIu/Ie8FBvDXiZMWOQFbemQJczF8BS3j
YFoGXoY6c8y052ekh8FGziJgy35gHf3ygUMnaVLirJpG0i3SH3M0ZHkVeP8fcw5x
uFFLAoGBAPqx+ubMIM/tH4X+zUD7mgaX8+EByd8IUKLwVTXGS7XzuAnkVTBr58bC
AOCtKX9oLcR40J3Y5N0rzZRmzs7+YNXnK2VQTYbZFPWfD6giKuy+JFc+5Ej+Men/
dOviiF74V8dsHtSwjX/CStzLYdEy6+xyA3Q0USPeVAQKvXDlOe27AoGBAOWBzSmO
nKvhTk/+A+wqseq/kPdO0NyrofUWCNoJNZivo0y9UnfL9Y6gDMcEIcAlpAsn6nN8
eKXh77s0sKg3IydVkqMNJfM6Bq2seF/7HrAbhGHYf5D3pIS0RJlSBz8/xeshvFcn
rSsst/25JHdESCSJgfRcZZ51A7OQ7SdmF2zzAoGBAKS+Gegfvcp3QJnh9Jhq0u5j
2scPzc0UF7uH/Xsb6Jwj0LYLE2j2c70gZvoLZGmq3D9IFA/07irw5i5SMCGf2Twb
kYu4bXXfHGbk3mcsZVm+x2yIaiFWldRIyS1LuLNv/ytHDPIq4KRpvCqxiWw3Z9Xk
he1G8334gFptdSzuZ+VdAoGAVT7XLLFQIpWDfMwQFeP48MrPcczRPAU8J9T7+Tae
4PDHoCkQAJw2orB5xkNc/jnd2EIGn+xnU45u/GQHGeiYB0urfmP4JyQuXcO3rp8a
BuWmMvikaQuGP+svbCXILW91ZfaWaYPD+hfskXCnJPway74Lsoi4B6fOLMDNHUMt
RbkCgYAi4KlL+fT5xJ9X3EbYxQ4P2TAEUAwKh7yvpoFVH/OuKZedIi2sHNOkb895
qlcmVtbD96T0m4sZ2UVk0oDURsjp7tK8pIdCqXkxx+Y/cSEc+1R/3J0GcUHt2cbc
YmDPfr1iqizT0n9em0B51SQb3UH88Egf56GHXiVaEZYc7/o0DQ==
—–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 }
###########################################################################################################

visualizza grezzo
K5-Kubernetes-Non-HA.yml
ospitato con ❤ da 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 }
###########################################################################################################

visualizza grezzo
K5_HA_Kubernetes.yml
ospitato con ❤ da GitHub

Note: Non sono un guru di Kubernetes – questi sono modelli Heat di esempio che ti permetteranno di far funzionare Kubernetes rapidamente su Fujitsu K5 per scopi di valutazione. Non sono stati progettati pensando a carichi di lavoro di produzione. Kubernetes è ancora un prodotto relativamente giovane che necessita di miglioramenti ai suoi componenti di multi-tenancy e sicurezza prima di essere pronto per il mercato enterprise di produzione generale – a meno che, naturalmente, tu non abbia un team di sviluppatori desiderosi di mettersi al lavoro – questa è la bellezza delle iniziative open source.

Il tipo LoadBalancer di Kubernetes è API compatibile con GCE, sorpresa sorpresa, e anche con AWS. Sebbene abbia tentato di inserire un K5 LoadBalancer davanti ai minion, sembra che abbia bisogno di più debug poiché ottengo solo restituzioni di pagina parziali e mi è mancato il tempo per eseguire ulteriori debug…al momento ho modo di giocare con Kubernetes solo la sera. Poiché non utilizziamo un LBaaS nativo OpenStack v1 o v2, questi non erano adatti allo scopo al momento della distribuzione di K5, purtroppo non ho potuto sfruttare neppure la loro soluzione Kubernetes LBaaS.

Se hai bisogno di una soluzione di grado produzione su K5, Kubernetes è stato deliberatamente architettato per facilitare i plugin, quindi non sarebbe così difficile 'creare da sé' un'API LBaaS. E grazie allo spirito della comunità, Concur, ha già fatto la maggior parte del lavoro duro per noi fornendo un modello di aiuto qui – https://github.com/concur/kubegowatcher.

Prerequisiti di distribuzione

Si prega di prestare molta attenzione ai parametri di input e assicurarsi di configurarli in modo che corrispondano al tuo ambiente prima della distribuzione.

Una volta distribuito, accedi al JumpBox e da lì puoi accedere a tutti i nodi kube.

Comandi utili:

Questo file contiene caratteri Unicode nascosti o bidirezionali che potrebbero essere interpretati o compilati in modo diverso da quanto appare di seguito. Per rivederli, apri il file in un editor che riveli i caratteri Unicode nascosti.
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Mostra caratteri nascosti

# 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"

visualizza grezzo
Kubectl.txt
ospitato con ❤ da GitHub

Buona distribuzione!

withk5youcan

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

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