adding inital packages for bootstrap cluster

[icn.git] / env / 03_launch_prereq.sh

diff --git a/env/03_launch_prereq.sh b/env/03_launch_prereq.sh
old mode 100644 (file)
new mode 100755 (executable)
index d2577bb..544ae0a
--- a/env/03_launch_prereq.sh
+++ b/env/03_launch_prereq.sh
@@ -1,2 +1,141 @@
 #!/bin/bash
 set -xe
+
+source lib/logging.sh
+source lib/common.sh
+
+if [[ $EUID -ne 0 ]]; then
+    echo "confgiure script must be run as root"
+    exit 1
+fi
+
+function get_default_inteface_ipaddress() {
+       local _ip=$1
+       local _default_interface=$(awk '$2 == 00000000 { print $1 }' /proc/net/route)
+       local _ipv4address=$(ip addr show dev $_default_interface | awk '$1 == "inet" { sub("/.*", "", $2); print $2 }')
+       eval $_ip="'$_ipv4address'"
+}
+
+
+
+function check_cni_network() {
+       #since bootstrap cluster is a single node cluster,
+       #podman and bootstap cluster have same network configuration to avoid the cni network conf conflicts
+       if [ ! -d "/etc/cni/net.d" ]; then
+               mkdir -p "/etc/cni/net.d"
+       fi
+
+       if [ ! -f "/etc/cni/net.d/87-podman-bridge.conflist" ]; then
+               if [ "$1" == "offline" ]; then
+                       cp $BUILD_DIR/87-podman-bridge.conflist /etc/cni/net.d/
+                       return
+       fi
+
+               if !(wget $PODMAN_CNI_CONFLIST -P /etc/cni/net.d/); then
+                       exit 1
+               fi
+       fi
+}
+
+function create_k8s_regular_user() {
+       if [ ! -d "$HOME/.kube" ]; then
+               mkdir -p $HOME/.kube
+       fi
+
+       if [ ! -f /etc/kubernetes/admin.conf]; then
+               exit 1
+       fi
+
+       cp -rf /etc/kubernetes/admin.conf $HOME/.kube/config
+       chown $(id -u):$(id -g) $HOME/.kube/config
+}
+
+function check_k8s_node_status(){
+       echo 'checking bootstrap cluster single node status'
+       node_status="False"
+
+       for i in {1..5}
+               do
+                       check_node=$(kubectl get node -o \
+                                               jsonpath='{.items[0].status.conditions[?(@.reason == "KubeletReady")].status}')
+                       if [ $check_node != "" ]; then
+                               node_status=${check_node}
+                       fi
+
+                       if [ $node_status == "True" ]; then
+                               break
+                       fi
+
+                       sleep 3
+               done
+
+       if [ $node_status != "True" ]; then
+               echo "bootstrap cluster single node status is not ready"
+               exit 1
+       fi
+}
+
+function install_podman() {
+       # set password for mariadb
+       mariadb_password=$(echo $(date;hostname)|sha256sum |cut -c-20)
+
+       # Create pod
+       podman pod create -n ironic-pod
+
+       # Start dnsmasq, http, mariadb, and ironic containers using same image
+       podman run -d --net host --privileged --name dnsmasq  --pod ironic-pod \
+               -v $IRONIC_DATA_DIR:/shared --entrypoint /bin/rundnsmasq ${IRONIC_IMAGE}
+
+       podman run -d --net host --privileged --name httpd --pod ironic-pod \
+       -v $IRONIC_DATA_DIR:/shared --entrypoint /bin/runhttpd ${IRONIC_IMAGE}
+
+       podman run -d --net host --privileged --name mariadb --pod ironic-pod \
+       -v $IRONIC_DATA_DIR:/shared --entrypoint /bin/runmariadb \
+       --env MARIADB_PASSWORD=$mariadb_password ${IRONIC_IMAGE}
+
+       podman run -d --net host --privileged --name ironic --pod ironic-pod \
+       --env MARIADB_PASSWORD=$mariadb_password \
+       -v $IRONIC_DATA_DIR:/shared ${IRONIC_IMAGE}
+
+       # Start Ironic Inspector
+       podman run -d --net host --privileged --name ironic-inspector \
+               --pod ironic-pod "${IRONIC_INSPECTOR_IMAGE}"
+}
+
+function remove_k8s_noschedule_taint() {
+       #Bootstrap cluster is a single node
+       nodename=$(kubectl get node -o jsonpath='{.items[0].metadata.name}')
+       if !(kubectl taint node $nodename node-role.kubernetes.io/master:NoSchedule-); then
+               exit 1
+       fi
+}
+
+function install_k8s_single_node() {
+       get_default_inteface_ipaddress apiserver_advertise_addr
+       kubeadm_init="kubeadm init --kubernetes-version=$KUBE_VERSION \
+                                       --pod-network-cidr=$POD_NETWORK_CIDR \
+                                       --apiserver-advertise-address=$apiserver_advertise_addr"
+       if !(${kubeadm_init}); then
+               exit 1
+       fi
+}
+
+function install() {
+       #install_kubernetes
+       install_k8s_single_node
+       check_cni_network $1
+       create_k8s_regular_user
+       check_k8s_node_status
+       remove_k8s_noschedule_taint
+
+       #install_podman
+       #Todo - error handling mechanism
+       install_podman
+}
+
+if [ "$1" == "-o" ]; then
+    install offline
+    exit 0
+fi
+
+install