3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
19 K8S_PACKAGE_VERSION
="$K8S_VERSION".1-1.1
20 K8S_METRICS_VERSION
="v0.7.1"
22 # installs kubernetes packages
23 function install_kube
() {
24 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
25 # Kubernetes releases can be found here: https://kubernetes.io/releases/
26 # To check other available versions, run the following command
27 # curl -s https://packages.cloud.google.com/apt/dists/kubernetes-xenial/main/binary-amd64/Packages | grep Version | awk '{print $2}'
28 sudo apt-get
-y update
&& sudo apt-get
install -y apt-transport-https ca-certificates curl
29 curl
-fsSL https
://pkgs.k8s.io
/core
:/stable
:/v
"$K8S_VERSION"/deb
/Release.key | sudo gpg
--dearmor -o /etc
/apt
/keyrings
/kubernetes-apt-keyring.gpg
30 echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v'$K8S_VERSION'/deb/ /' | sudo
tee /etc
/apt
/sources.list.d
/kubernetes.list
31 sudo apt-get
-y update
32 echo "Installing Kubernetes Packages ..."
33 sudo apt-get
install -y kubelet
=${K8S_PACKAGE_VERSION} kubeadm=${K8S_PACKAGE_VERSION} kubectl=${K8S_PACKAGE_VERSION}
34 sudo apt-mark hold kubelet kubeadm kubectl
35 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
38 # check and track kube packages installation
39 function check_and_track_kube_install
() {
40 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
41 kubelet_version
=$
(dpkg
-s kubelet|
grep Version|
awk '{print $2}')
42 [ -n "${kubelet_version}" ] || FATAL_TRACK k8scluster
"Kubelet was not installed."
43 kubeadm_version
=$
(dpkg
-s kubeadm|
grep Version|
awk '{print $2}')
44 [ -n "${kubeadm_version}" ] || FATAL_TRACK k8scluster
"Kubeadm was not installed."
45 kubectl_version
=$
(dpkg
-s kubectl|
grep Version|
awk '{print $2}')
46 [ -n "${kubectl_version}" ] || FATAL_TRACK k8scluster
"Kubectl was not installed."
47 track k8scluster install_k8s_ok none none none kubelet
${kubelet_version} none none kubeadm ${kubeadm_version} none none kubectl ${kubectl_version} none none
48 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
51 # initializes kubernetes control plane
52 function init_kubeadm
() {
53 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
55 sudo
sed -i.bak
'/.*none.*swap/s/^\(.*\)$/#\1/g' /etc
/fstab
56 sudo kubeadm init
--config $1 --dry-run || FATAL_TRACK k8scluster
"kubeadm init dry-run failed"
57 sudo kubeadm init
--config $1
59 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
62 # Initializes kubeconfig file
63 function kube_config_dir
() {
64 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
65 K8S_MANIFEST_DIR
="/etc/kubernetes/manifests"
66 [ ! -d $K8S_MANIFEST_DIR ] && FATAL_TRACK k8scluster
"Kubernetes folder $K8S_MANIFEST_DIR was not found"
68 sudo
cp /etc
/kubernetes
/admin.conf
$HOME/.kube
/config
69 sudo chown $
(id
-u):$
(id
-g) $HOME/.kube
/config
70 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
73 # test kubernetes installation
74 function check_and_track_init_k8s
() {
75 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
76 echo "Reading existing namespaces"
77 kubectl get ns || FATAL_TRACK k8scluster
"Failed getting namespaces"
78 track k8scluster init_k8s_ok
79 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
82 # deploys flannel as daemonsets
83 function deploy_cni_provider
() {
84 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
85 CNI_DIR
="$(mktemp -d -q --tmpdir "flannel.XXXXXX
")"
86 trap 'rm -rf "${CNI_DIR}"' EXIT
87 KUBE_FLANNEL_FILE_URL
="https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml"
88 wget
--retry-on-host-error --retry-on-http-error 404,429,503 --tries=5 "${KUBE_FLANNEL_FILE_URL}" -P $CNI_DIR
89 [ ! -f $CNI_DIR/kube-flannel.yml
] && FATAL_TRACK k8scluster
"Cannot Install Flannel because $CNI_DIR/kube-flannel.yml was not found. Maybe the file ${KUBE_FLANNEL_FILE_URL} is temporarily not accessible"
90 kubectl apply
-f $CNI_DIR
91 [ $?
-ne 0 ] && FATAL_TRACK k8scluster
"Cannot Install Flannel"
92 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
95 # taints K8s master node
96 function taint_master_node
() {
97 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
98 K8S_MASTER
=$
(kubectl get nodes |
awk '$3~/control-plane/'|
awk '{print $1; exit}')
99 kubectl taint node
$K8S_MASTER node-role.kubernetes.io
/control-plane
:NoSchedule-
101 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
104 # check and track kube packages installation
105 function check_and_track_k8s_ready_before_helm
() {
106 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
107 kubectl get events || FATAL_TRACK k8scluster
"Failed getting events"
108 track k8scluster k8s_ready_before_helm
109 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
112 # removes osm deployments and services
113 function install_k8s_metrics
() {
114 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
115 echo "Installing Kubernetes metrics"
116 kubectl apply
-f "https://github.com/kubernetes-sigs/metrics-server/releases/download/${K8S_METRICS_VERSION}/components.yaml"
117 kubectl
-n kube-system
patch deployment metrics-server
--type=json
-p '[{"op":"add","path":"/spec/template/spec/containers/0/args/-","value":"--kubelet-insecure-tls"}]'
118 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
121 # removes osm deployments and services
122 function remove_k8s_namespace
() {
123 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
124 echo "Deleting existing namespace $1: kubectl delete ns $1"
125 kubectl delete ns
$1 2>/dev
/null
126 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
129 while getopts ":D:d:i:-: " o
; do
132 DEFAULT_IP
="${OPTARG}"
135 OSM_CLUSTER_WORK_DIR
="${OPTARG}"
138 OSM_DEVOPS
="${OPTARG}"
141 [ "${OPTARG}" == "debug" ] && DEBUG_INSTALL
="y" && continue
142 echo -e "Invalid option: '--$OPTARG'\n" >&2
146 echo "Option -$OPTARG requires an argument" >&2
150 echo -e "Invalid option: '-$OPTARG'\n" >&2
159 source $OSM_DEVOPS/common
/logging
160 source $OSM_DEVOPS/common
/track
162 echo "DEBUG_INSTALL=$DEBUG_INSTALL"
163 echo "OSM_DEVOPS=$OSM_DEVOPS"
164 echo "OSM_CLUSTER_WORK_DIR=$OSM_CLUSTER_WORK_DIR"
167 echo "Creating folders for installation"
168 [ ! -d "$OSM_CLUSTER_WORK_DIR" ] && sudo mkdir
-p $OSM_CLUSTER_WORK_DIR
169 echo "Copying kubeadm-config from $OSM_DEVOPS/installers/kubeadm-config.yaml to $OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml"
170 sudo
cp -b $OSM_DEVOPS/installers
/kubeadm-config.yaml
$OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml
173 check_and_track_kube_install
175 init_kubeadm
$OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml
177 check_and_track_init_k8s
181 check_and_track_k8s_ready_before_helm
185 remove_k8s_namespace osm
187 # install_helm has been moved to install_helm_client.sh, run from full_install_osm.sh,
188 # but tracking is still here because the installation analytics still expects it
189 track k8scluster install_helm_ok
191 # Installation of storage class, metallb and cert-manager has been moved
192 # to install_cluster_addons.sh, run from full_install_osm.sh