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
="$K8S_VERSION".1-1.1
21 # installs kubernetes packages
22 function install_kube
() {
23 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
24 # Kubernetes releases can be found here: https://kubernetes.io/releases/
25 # To check other available versions, run the following command
26 # curl -s https://packages.cloud.google.com/apt/dists/kubernetes-xenial/main/binary-amd64/Packages | grep Version | awk '{print $2}'
27 sudo apt-get
-y update
&& sudo apt-get
install -y apt-transport-https ca-certificates curl
28 curl
-fsSL https
://pkgs.k8s.io
/core
:/stable
:/v
"$K8S_VERSION"/deb
/Release.key | sudo gpg
--dearmor -o /etc
/apt
/keyrings
/kubernetes-apt-keyring.gpg
29 echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v'$K8S_VERSION'/deb/ /' | sudo
tee /etc
/apt
/sources.list.d
/kubernetes.list
30 sudo apt-get
-y update
31 echo "Installing Kubernetes Packages ..."
32 sudo apt-get
install -y kubelet
=${K8S_PACKAGE_VERSION} kubeadm=${K8S_PACKAGE_VERSION} kubectl=${K8S_PACKAGE_VERSION}
33 sudo apt-mark hold kubelet kubeadm kubectl
34 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
37 # check and track kube packages installation
38 function check_and_track_kube_install
() {
39 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
40 kubelet_version
=$
(dpkg
-s kubelet|
grep Version|
awk '{print $2}')
41 [ -n "${kubelet_version}" ] || FATAL_TRACK k8scluster
"Kubelet was not installed."
42 kubeadm_version
=$
(dpkg
-s kubeadm|
grep Version|
awk '{print $2}')
43 [ -n "${kubeadm_version}" ] || FATAL_TRACK k8scluster
"Kubeadm was not installed."
44 kubectl_version
=$
(dpkg
-s kubectl|
grep Version|
awk '{print $2}')
45 [ -n "${kubectl_version}" ] || FATAL_TRACK k8scluster
"Kubectl was not installed."
46 track k8scluster install_k8s_ok none none none kubelet
${kubelet_version} none none kubeadm ${kubeadm_version} none none kubectl ${kubectl_version} none none
47 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
50 # initializes kubernetes control plane
51 function init_kubeadm
() {
52 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
54 sudo
sed -i.bak
'/.*none.*swap/s/^\(.*\)$/#\1/g' /etc
/fstab
55 sudo kubeadm init
--config $1 --dry-run || FATAL_TRACK k8scluster
"kubeadm init dry-run failed"
56 sudo kubeadm init
--config $1
58 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
61 # Initializes kubeconfig file
62 function kube_config_dir
() {
63 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
64 K8S_MANIFEST_DIR
="/etc/kubernetes/manifests"
65 [ ! -d $K8S_MANIFEST_DIR ] && FATAL_TRACK k8scluster
"Kubernetes folder $K8S_MANIFEST_DIR was not found"
67 sudo
cp /etc
/kubernetes
/admin.conf
$HOME/.kube
/config
68 sudo chown $
(id
-u):$
(id
-g) $HOME/.kube
/config
69 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
72 # test kubernetes installation
73 function check_and_track_init_k8s
() {
74 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
75 echo "Reading existing namespaces"
76 kubectl get ns || FATAL_TRACK k8scluster
"Failed getting namespaces"
77 track k8scluster init_k8s_ok
78 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
81 # deploys flannel as daemonsets
82 function deploy_cni_provider
() {
83 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
84 CNI_DIR
="$(mktemp -d -q --tmpdir "flannel.XXXXXX
")"
85 trap 'rm -rf "${CNI_DIR}"' EXIT
86 KUBE_FLANNEL_FILE_URL
="https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml"
87 wget
--retry-on-host-error --retry-on-http-error 404,429,503 --tries=5 "${KUBE_FLANNEL_FILE_URL}" -P $CNI_DIR
88 [ ! -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"
89 kubectl apply
-f $CNI_DIR
90 [ $?
-ne 0 ] && FATAL_TRACK k8scluster
"Cannot Install Flannel"
91 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
94 # taints K8s master node
95 function taint_master_node
() {
96 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
97 K8S_MASTER
=$
(kubectl get nodes |
awk '$3~/control-plane/'|
awk '{print $1; exit}')
98 kubectl taint node
$K8S_MASTER node-role.kubernetes.io
/control-plane
:NoSchedule-
100 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
103 # check and track kube packages installation
104 function check_and_track_k8s_ready_before_helm
() {
105 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
106 kubectl get events || FATAL_TRACK k8scluster
"Failed getting events"
107 track k8scluster k8s_ready_before_helm
108 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
111 # removes osm deployments and services
112 function remove_k8s_namespace
() {
113 [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of
function
114 echo "Deleting existing namespace $1: kubectl delete ns $1"
115 kubectl delete ns
$1 2>/dev
/null
116 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of
function
120 while getopts ":D:d:i:-: " o
; do
123 DEFAULT_IP
="${OPTARG}"
126 OSM_CLUSTER_WORK_DIR
="${OPTARG}"
129 OSM_DEVOPS
="${OPTARG}"
132 [ "${OPTARG}" == "debug" ] && DEBUG_INSTALL
="y" && continue
133 echo -e "Invalid option: '--$OPTARG'\n" >&2
137 echo "Option -$OPTARG requires an argument" >&2
141 echo -e "Invalid option: '-$OPTARG'\n" >&2
150 source $OSM_DEVOPS/common
/logging
151 source $OSM_DEVOPS/common
/track
153 echo "DEBUG_INSTALL=$DEBUG_INSTALL"
154 echo "OSM_DEVOPS=$OSM_DEVOPS"
155 echo "OSM_CLUSTER_WORK_DIR=$OSM_CLUSTER_WORK_DIR"
158 echo "Creating folders for installation"
159 [ ! -d "$OSM_CLUSTER_WORK_DIR" ] && sudo mkdir
-p $OSM_CLUSTER_WORK_DIR
160 echo "Copying kubeadm-config from $OSM_DEVOPS/installers/kubeadm-config.yaml to $OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml"
161 sudo
cp -b $OSM_DEVOPS/installers
/kubeadm-config.yaml
$OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml
164 check_and_track_kube_install
166 init_kubeadm
$OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml
168 check_and_track_init_k8s
172 check_and_track_k8s_ready_before_helm
174 remove_k8s_namespace osm
176 # install_helm has been moved to install_helm_client.sh, run from full_install_osm.sh,
177 # but tracking is still here because the installation analytics still expects it
178 track k8scluster install_helm_ok
180 # Installation of storage class, metallb and cert-manager has been moved
181 # to install_cluster_addons.sh, run from full_install_osm.sh