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#cloud-config
---
coreos:
units:
- name: etcd3.service
command: start
enable: true
content: |
[Unit]
Description=etcd3 service
Wants=network-online.target
After=network-online.target
[Service]
Restart=on-failure
RestartSec=5s
TimeoutSec=3m
ExecStartPre=/usr/bin/docker build -t etcd3 /home/core/share/etcd3
ExecStartPre=/usr/bin/mkdir -p /opt/etcd/data
ExecStartPre=-/usr/bin/docker rm -f etcd
ExecStart=/usr/bin/docker run \
--net=host \
--name etcd \
--env ETCD_ADVERTISE_CLIENT_URLS=http://$private_ipv4:2379 \
--env ETCD_DISCOVERY=https://discovery.etcd.io/00a1c1f456d383dba1a2b542fa3c6866 \
--env ETCD_INITIAL_ADVERTISE_PEER_URLS=http://$private_ipv4:2380 \
--env ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379,http://0.0.0.0:4001 \
--env ETCD_LISTEN_PEER_URLS=http://$private_ipv4:2380,http://$private_ipv4:7001 \
--env ETCD_DATA_DIR=/opt/etcd/data \
--volume /opt/etcd/data:/opt/etcd/data \
etcd3
- name: generate-certificates.service
command: start
enable: true
content: |
[Unit]
Description=Generate kubernetes ceritificates service
[Service]
Type=forking
RemainAfterExit=yes
Restart=on-failure
RestartSec=5s
TimeoutSec=3m
ExecStartPre=/usr/bin/mkdir -p /opt/bin/
ExecStartPre=/usr/bin/cp /home/core/share/certificates/ca.pem /etc/kubernetes/ssl/ca.pem
ExecStartPre=/usr/bin/cp /home/core/share/certificates/ca-key.pem /etc/kubernetes/ssl/ca-key.pem
ExecStartPre=/usr/bin/cp /home/core/share/certificates/service-account.pem /etc/kubernetes/ssl/service-account.pem
ExecStartPre=/usr/bin/cp /home/core/share/certificates/service-account-key.pem /etc/kubernetes/ssl/service-account-key.pem
ExecStartPre=/usr/bin/cp /home/core/share/certificates/admin.pem /etc/kubernetes/ssl/admin.pem
ExecStart=/usr/bin/cp /home/core/share/certificates/admin-key.pem /etc/kubernetes/ssl/admin-key.pem
ExecStartPre=/usr/bin/openssl genrsa -out /etc/kubernetes/ssl/apiserver-key.pem 2048
ExecStartPre=/usr/bin/openssl req -new -key /etc/kubernetes/ssl/apiserver-key.pem -out /etc/kubernetes/ssl/apiserver.csr -subj "/CN=kube-apiserver" -config /etc/kubernetes/ssl/openssl.conf
ExecStartPre=/usr/bin/openssl x509 -req -in /etc/kubernetes/ssl/apiserver.csr -CA /etc/kubernetes/ssl/ca.pem -CAkey /etc/kubernetes/ssl/ca-key.pem -CAcreateserial -out /etc/kubernetes/ssl/apiserver.pem -days 365 -extensions v3_req -extfile /etc/kubernetes/ssl/openssl.conf
- name: openvswitch.service
command: start
enable: true
content: |
[Unit]
Description=OpenvSwitch Service
Wants=network.target docker.service
After=network.target docker.service generate-certificates.service
[Service]
RemainAfterExit=yes
Restart=on-failure
RestartSec=5s
TimeoutSec=3m
ExecStartPre=/opt/custom-env.sh
ExecStartPre=/sbin/modprobe openvswitch
ExecStartPre=/sbin/modprobe geneve
ExecStartPre=/usr/bin/docker build -t openvswitch /home/core/share/openvswitch/
ExecStart=/usr/bin/docker run \
--tty \
--name openvswitch \
--privileged \
--net=host \
--cap-add=NET_ADMIN \
--volume /opt/sdn/conf:/etc/openvswitch \
--volume /opt/sdn/run:/var/run/openvswitch \
--volume /opt/cni:/etc/cni/net.d \
openvswitch
ExecStop=-/usr/bin/docker stop openvswitch
[Install]
WantedBy=multi-user.target
- name: overlay.service
command: start
enable: true
content: |
[Unit]
Description=Overlay Service
Wants=network.target docker.service openvswitch.service
After=network.target docker.service openvswitch.service
[Service]
EnvironmentFile=/opt/environment
RemainAfterExit=yes
Restart=on-failure
RestartSec=30s
TimeoutStartSec=3m
TimeoutStopSec=3s
ExecStartPre=/sbin/modprobe openvswitch
ExecStartPre=/sbin/modprobe geneve
ExecStartPre=/usr/bin/docker exec openvswitch ovs-vsctl set Open_vSwitch . external_ids:ovn-remote="tcp:$private_ipv4:6642" external_ids:ovn-nb="tcp:$private_ipv4:6641" external_ids:ovn-encap-ip=$private_ipv4 external_ids:ovn-encap-type="geneve"
ExecStartPre=/usr/bin/docker exec openvswitch ovs-vsctl set Open_vSwitch . external_ids:k8s-api-server="https://$private_ipv4"
ExecStartPre=/usr/bin/docker exec openvswitch ovs-vsctl set Open_vSwitch . external_ids:k8s-api-token="${API_TOKEN}"
ExecStartPre=/usr/bin/docker exec openvswitch /usr/share/openvswitch/scripts/ovn-ctl start_northd
ExecStartPre=/usr/bin/docker exec openvswitch /usr/share/openvswitch/scripts/ovn-ctl start_controller
ExecStartPre=/usr/bin/docker exec openvswitch ovn-k8s-overlay master-init --cluster-ip-subnet="${POD_NETWORK}" --master-switch-subnet="${POD_SUBNET}" --node-name="$private_ipv4"
ExecStartPre=/usr/bin/docker exec openvswitch ovn-k8s-overlay minion-init --cluster-ip-subnet="${POD_NETWORK}" --minion-switch-subnet="${POD_SUBNET}" --node-name="$private_ipv4"
ExecStartPre=/usr/bin/docker exec openvswitch ovs-vsctl add-br br-eth1
ExecStartPre=/usr/bin/docker exec openvswitch ovs-vsctl add-port br-eth1 eth1
ExecStartPre=/bin/ip addr flush dev eth1
ExecStartPre=/bin/ifconfig br-eth1 $private_ipv4/24 up
ExecStartPre=-/usr/bin/docker exec openvswitch ovn-k8s-overlay gateway-init --cluster-ip-subnet="${POD_SUBNET}" --bridge-interface br-eth1 --physical-ip $private_ipv4/24 --node-name="$private_ipv4" --default-gw ${ETH_GW}
ExecStartPre=-/usr/bin/docker exec openvswitch ovn-k8s-gateway-helper --physical-bridge=br-eth1 --physical-interface=eth1 --pidfile --detach
ExecStart=/usr/bin/docker exec openvswitch ovs-appctl vlog/set ANY:ANY:info
- name: kubectl.service
command: start
enable: true
content: |
[Unit]
Description=kubectl download service
[Service]
Type=forking
RemainAfterExit=yes
Restart=on-failure
RestartSec=5s
TimeoutSec=3m
Environment="USER=root"
ExecStartPre=/usr/bin/curl -O https://storage.googleapis.com/kubernetes-release/release/v1.6.0/bin/linux/amd64/kubectl
ExecStartPre=/usr/bin/chmod +x kubectl
ExecStart=/usr/bin/mv kubectl /opt/bin/kubectl
[Install]
RequiredBy=multi-user.target
- name: kubernetes.service
command: start
enable: true
content: |
[Unit]
Description=Kubernetes service
Wants=network-online.target
After=network-online.target
[Service]
Restart=on-failure
RestartSec=10
TimeoutStartSec=10m
TimeoutStopSec=10s
ExecStartPre=/usr/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/usr/bin/docker build -t kubernetes /home/core/share/kubernetes/
ExecStartPre=/bin/cp /home/core/share/certificates/ca.pem /opt/sdn/conf/k8s-ca.crt
ExecStartPre=-/usr/bin/docker rm -f kubernetes
ExecStart=/usr/bin/docker run \
--tty \
--net=host \
--pid=host \
--privileged \
--restart=unless-stopped \
--name kubernetes \
--volume /etc/kubernetes:/etc/kubernetes \
--volume /sys:/sys:rw \
--volume /var/run:/var/run:rw \
--volume /run:/run:rw \
--volume /var/lib/docker:/var/lib/docker:rw \
--volume /var/lib/kubelet:/var/lib/kubelet:shared \
--volume /var/run/docker.sock:/var/run/docker.sock \
--volume /var/log/containers:/var/log/containers:rw \
--volume /opt/cni:/etc/cni/net.d \
--volume /opt/sdn/conf:/etc/openvswitch \
--volume /opt/sdn/run:/var/run/openvswitch \
kubernetes \
/hyperkube kubelet \
--allow-privileged \
--node-ip=$private_ipv4 \
--kubeconfig=/var/lib/kubelet/kubeconfig \
--require-kubeconfig \
--cni-bin-dir /opt/cni/bin \
--pod-manifest-path=/etc/kubernetes/manifests \
--cluster-dns=10.3.0.10 \
--cluster-domain=cluster.local \
--network-plugin=cni \
--network-plugin-dir=/etc/cni/net.d \
--hostname-override=$private_ipv4 \
--v=2
- name: watcher.service
command: start
enable: true
content: |
[Unit]
Description=Watcher Service
Wants=network.target docker.service
After=network.target docker.service generate-certificates.service
[Service]
RemainAfterExit=yes
Restart=on-failure
RestartSec=5s
TimeoutSec=3m
ExecStartPre=/usr/bin/docker build -t watcher /home/core/share/watcher/
ExecStartPre=-/usr/bin/docker rm -f watcher
ExecStart=/usr/bin/docker run \
--tty \
--name watcher \
--privileged \
--net=host \
--cap-add=NET_ADMIN \
--volume /opt/sdn/conf:/etc/openvswitch \
--volume /opt/sdn/run:/var/run/openvswitch \
watcher
ExecStop=-/usr/bin/docker stop watcher
[Install]
WantedBy=multi-user.target
write_files:
- path: "/var/lib/kubelet/kubeconfig"
permissions: '0644'
owner: root
content: |
apiVersion: v1
clusters:
- cluster:
certificate-authority: /etc/kubernetes/ssl/ca.pem
server: https://$private_ipv4
name: default-cluster
contexts:
- context:
cluster: default-cluster
user: default-admin
name: default-system
current-context: default-system
kind: Config
preferences: {}
users:
- name: default-admin
user:
client-certificate: /etc/kubernetes/ssl/admin.pem
client-key: /etc/kubernetes/ssl/admin-key.pem
- path: "/etc/kubernetes/manifests/kube-apiserver.yml"
permissions: '0644'
owner: root
content: |
apiVersion: v1
clusters:
- cluster:
certificate-authority: /etc/kubernetes/ssl/ca.pem
server: https://$private_ipv4
name: default-cluster
contexts:
- context:
cluster: default-cluster
user: default-admin
name: default-system
current-context: default-system
kind: Config
preferences: {}
users:
- name: default-admin
user:
client-certificate: /etc/kubernetes/ssl/admin.pem
client-key: /etc/kubernetes/ssl/admin-key.pem
- path: "/etc/kubernetes/manifests/kube-apiserver.yml"
permissions: '0644'
owner: root
content: |
apiVersion: v1
kind: Pod
metadata:
name: kube-apiserver
namespace: kube-system
spec:
hostNetwork: true
containers:
- name: kube-apiserver
image: kubernetes
imagePullPolicy: Never
command:
- /hyperkube
- apiserver
- --bind-address=0.0.0.0
- --etcd-servers=http://$private_ipv4:2379
- --allow-privileged=true
- --service-cluster-ip-range=10.3.0.0/16
- --secure-port=443
- --advertise-address=$private_ipv4
- --admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,ResourceQuota
- --tls-cert-file=/etc/kubernetes/ssl/apiserver.pem
- --tls-private-key-file=/etc/kubernetes/ssl/apiserver-key.pem
- --client-ca-file=/etc/kubernetes/ssl/ca.pem
- --service-account-key-file=/etc/kubernetes/ssl/service-account.pem
- --token-auth-file=/etc/kubernetes/auth/token.csv
- --apiserver-count=5
- --runtime-config=extensions/v1beta1=true,extensions/v1beta1/networkpolicies=true
ports:
- name: https
containerPort: 443
hostPort: 443
- name: local
containerPort: 8080
hostPort: 8080
volumeMounts:
- name: ssl-certs-kubernetes
mountPath: /etc/kubernetes/ssl
readOnly: true
- name: ssl-certs-host
mountPath: /etc/ssl/certs
readOnly: true
- name: auth-tokens
mountPath: /etc/kubernetes/auth
readOnly: true
- name: hosts
mountPath: /etc/hosts
readOnly: true
volumes:
- name: ssl-certs-kubernetes
hostPath:
path: /etc/kubernetes/ssl
- name: ssl-certs-host
hostPath:
path: /usr/share/ca-certificates
- name: auth-tokens
hostPath:
path: /etc/kubernetes/auth
- name: hosts
hostPath:
path: /etc/hosts
- path: "/etc/kubernetes/manifests/kube-controller-manager.yml"
permissions: '0644'
owner: root
content: |
apiVersion: v1
kind: Pod
metadata:
name: kube-controller-manager
namespace: kube-system
spec:
hostNetwork: true
containers:
- name: kube-controller-manager
image: kubernetes
imagePullPolicy: Never
command:
- /hyperkube
- controller-manager
- --master=http://127.0.0.1:8080
- --leader-elect=true
- --leader-elect-lease-duration=15s
- --leader-elect-renew-deadline=10s
- --leader-elect-retry-period=2s
- --node-monitor-grace-period=40s
- --node-monitor-period=5s
- --service-account-private-key-file=/etc/kubernetes/ssl/service-account-key.pem
- --root-ca-file=/etc/kubernetes/ssl/ca.pem
- --leader-elect=true
- --leader-elect-lease-duration=15s
- --leader-elect-renew-deadline=10s
- --leader-elect-retry-period=2s
- --node-monitor-grace-period=40s
- --node-monitor-period=5s
livenessProbe:
httpGet:
host: 127.0.0.1
path: /healthz
port: 10252
initialDelaySeconds: 15
timeoutSeconds: 1
volumeMounts:
- name: ssl-certs-kubernetes
mountPath: /etc/kubernetes/ssl
readOnly: true
- name: ssl-certs-host
mountPath: /etc/ssl/certs
readOnly: true
volumes:
- name: ssl-certs-kubernetes
hostPath:
path: /etc/kubernetes/ssl
- name: ssl-certs-host
hostPath:
path: /usr/share/ca-certificates
- path: "/etc/kubernetes/manifests/kube-proxy.yml"
permissions: '0644'
owner: root
content: |
apiVersion: v1
kind: Pod
metadata:
name: kube-proxy
namespace: kube-system
spec:
hostNetwork: true
containers:
- name: kube-proxy
image: kubernetes
imagePullPolicy: Never
command:
- /hyperkube
- proxy
- --master=http://127.0.0.1:8080
- --proxy-mode=iptables
securityContext:
privileged: true
volumeMounts:
- name: ssl-certs-host
mountPath: /etc/ssl/certs
readOnly: true
volumes:
- name: ssl-certs-host
hostPath:
path: /usr/share/ca-certificates
- path: "/etc/kubernetes/manifests/kube-scheduler.yml"
permissions: '0644'
owner: root
content: |
apiVersion: v1
kind: Pod
metadata:
name: kube-scheduler
namespace: kube-system
spec:
hostNetwork: true
containers:
- name: kube-scheduler
image: kubernetes
imagePullPolicy: Never
command:
- /hyperkube
- scheduler
- --master=http://127.0.0.1:8080
- --leader-elect=true
- --leader-elect-lease-duration=15s
- --leader-elect-renew-deadline=10s
- --leader-elect-retry-period=2s
livenessProbe:
httpGet:
host: 127.0.0.1
path: /healthz
port: 10251
initialDelaySeconds: 15
timeoutSeconds: 1
- path: "/etc/kubernetes/ssl/openssl.conf"
permissions: '0644'
owner: root
content: |
[req]
req_extensions = v3_req
distinguished_name = req_distinguished_name
[req_distinguished_name]
[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment
subjectAltName = @alt_names
[alt_names]
DNS.1 = kubernetes
DNS.2 = kubernetes.default
DNS.3 = kubernetes.default.svc
DNS.4 = kubernetes.default.svc.cluster.local
IP.1 = 10.3.0.1
IP.2 = $private_ipv4
- path: "/etc/kubernetes/manifests/kube-dashboard.yml"
permissions: '0644'
owner: root
content: |
kind: Deployment
apiVersion: extensions/v1beta1
metadata:
labels:
app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: kube-system
spec:
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
app: kubernetes-dashboard
template:
metadata:
labels:
app: kubernetes-dashboard
# Comment the following annotation if Dashboard must not be deployed on master
annotations:
scheduler.alpha.kubernetes.io/tolerations: |
[
{
"key": "dedicated",
"operator": "Equal",
"value": "master",
"effect": "NoSchedule"
}
]
spec:
containers:
- name: kubernetes-dashboard
image: gcr.io/google_containers/kubernetes-dashboard-amd64:v1.6.0
imagePullPolicy: Always
ports:
- containerPort: 9090
protocol: TCP
args:
# Uncomment the following line to manually specify Kubernetes API server Host
# If not specified, Dashboard will attempt to auto discover the API server and connect
# to it. Uncomment only if the default does not work.
# - --apiserver-host=http://my-address:port
livenessProbe:
httpGet:
path: /
port: 9090
initialDelaySeconds: 30
timeoutSeconds: 30
---
kind: Service
apiVersion: v1
metadata:
labels:
app: kubernetes-dashboard
name: kubernetes-dashboard
namespace: kube-system
spec:
type: NodePort
ports:
- port: 80
targetPort: 9090
selector:
app: kubernetes-dashboard
- path: "/etc/kubernetes/manifests/kube-dns.yml"
permissions: '0644'
owner: root
content: |
apiVersion: v1
kind: ServiceAccount
metadata:
name: kube-dns
namespace: kube-system
labels:
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
---
apiVersion: v1
kind: ConfigMap
metadata:
name: kube-dns
namespace: kube-system
labels:
addonmanager.kubernetes.io/mode: EnsureExists
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: kube-dns
namespace: kube-system
labels:
k8s-app: kube-dns
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
spec:
# replicas: not specified here:
# 1. In order to make Addon Manager do not reconcile this replicas parameter.
# 2. Default is 1.
# 3. Will be tuned in real time if DNS horizontal auto-scaling is turned on.
strategy:
rollingUpdate:
maxSurge: 10%
maxUnavailable: 0
selector:
matchLabels:
k8s-app: kube-dns
template:
metadata:
labels:
k8s-app: kube-dns
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
spec:
imagePullSecrets:
- name: quay.io-kube
tolerations:
- key: "CriticalAddonsOnly"
operator: "Exists"
volumes:
- name: kube-dns-config
configMap:
name: kube-dns
optional: true
containers:
- name: kubedns
image: gcr.io/google_containers/k8s-dns-kube-dns-amd64:1.14.1
resources:
# TODO: Set memory limits when we've profiled the container for large
# clusters, then set request = limit to keep this container in
# guaranteed class. Currently, this container falls into the
# "burstable" category so the kubelet doesn't backoff from restarting it.
limits:
memory: 170Mi
requests:
cpu: 100m
memory: 70Mi
livenessProbe:
httpGet:
path: /healthcheck/kubedns
port: 10054
scheme: HTTP
initialDelaySeconds: 60
timeoutSeconds: 5
successThreshold: 1
failureThreshold: 5
readinessProbe:
httpGet:
path: /readiness
port: 8081
scheme: HTTP
# we poll on pod startup for the Kubernetes master service and
# only setup the /readiness HTTP server once that's available.
initialDelaySeconds: 3
timeoutSeconds: 5
args:
- --domain=cluster.local.
- --dns-port=10053
- --config-dir=/kube-dns-config
- --v=2
env:
- name: PROMETHEUS_PORT
value: "10055"
ports:
- containerPort: 10053
name: dns-local
protocol: UDP
- containerPort: 10053
name: dns-tcp-local
protocol: TCP
- containerPort: 10055
name: metrics
protocol: TCP
volumeMounts:
- name: kube-dns-config
mountPath: /kube-dns-config
- name: dnsmasq
image: gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64:1.14.1
livenessProbe:
httpGet:
path: /healthcheck/dnsmasq
port: 10054
scheme: HTTP
initialDelaySeconds: 60
timeoutSeconds: 5
successThreshold: 1
failureThreshold: 5
args:
- -v=2
- -logtostderr
- -configDir=/etc/k8s/dns/dnsmasq-nanny
- -restartDnsmasq=true
- --
- -k
- --cache-size=1000
- --log-facility=-
- --server=/cluster.local/127.0.0.1#10053
- --server=/in-addr.arpa/127.0.0.1#10053
- --server=/ip6.arpa/127.0.0.1#10053
ports:
- containerPort: 53
name: dns
protocol: UDP
- containerPort: 53
name: dns-tcp
protocol: TCP
# see: https://github.com/kubernetes/kubernetes/issues/29055 for details
resources:
requests:
cpu: 150m
memory: 20Mi
volumeMounts:
- name: kube-dns-config
mountPath: /etc/k8s/dns/dnsmasq-nanny
- name: sidecar
image: gcr.io/google_containers/k8s-dns-sidecar-amd64:1.14.1
livenessProbe:
httpGet:
path: /metrics
port: 10054
scheme: HTTP
initialDelaySeconds: 60
timeoutSeconds: 5
successThreshold: 1
failureThreshold: 5
args:
- --v=2
- --logtostderr
- --probe=kubedns,127.0.0.1:10053,kubernetes.default.svc.cluster.local,5,A
- --probe=dnsmasq,127.0.0.1:53,kubernetes.default.svc.cluster.local,5,A
ports:
- containerPort: 10054
name: metrics
protocol: TCP
resources:
requests:
memory: 20Mi
cpu: 10m
dnsPolicy: Default # Don't use cluster DNS.
serviceAccountName: kube-dns
---
apiVersion: v1
kind: Service
metadata:
name: kube-dns
namespace: kube-system
labels:
k8s-app: kube-dns
kubernetes.io/cluster-service: "true"
addonmanager.kubernetes.io/mode: Reconcile
kubernetes.io/name: "KubeDNS"
spec:
selector:
k8s-app: kube-dns
clusterIP: 10.3.0.10
ports:
- name: dns
port: 53
protocol: UDP
- name: dns-tcp
port: 53
protocol: TCP
- path: "/etc/kubernetes/auth/token.csv"
permissions: '0644'
owner: root
content: |
MXhAQm29G3TLu5NBcumwQvKHyNkZ6XWmw7eehLdxzzkR3HHZmBreqJGLJrVw3Bbb,kubeapi,kubeapi
- path: "/opt/custom-env.sh"
permissions: '0755'
owner: root
content: |
#!/bin/bash
echo "MASTER_IP=$private_ipv4" > /opt/environment
echo "NODE_NUM=$(echo $private_ipv4 | awk -F '.' '{print $4}')" >> /opt/environment
echo "POD_NETWORK=10.1.0.0/16" >> /opt/environment
echo "POD_SUBNET=10.1.$(echo $private_ipv4 | awk -F '.' '{print $4}').0/24" >> /opt/environment
echo "MGMT_IP=10.1.$(echo $private_ipv4 | awk -F '.' '{print $4}').2" >> /opt/environment
echo "API_TOKEN=MXhAQm29G3TLu5NBcumwQvKHyNkZ6XWmw7eehLdxzzkR3HHZmBreqJGLJrVw3Bbb" >> /opt/environment
echo "ETH_GW=$($private_ipv4/24 | sed -E s%[0-9]+/[0-9]+$%%g)1" >> /opt/environment