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making the ondat install non interactive #5

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making the ondat install non interactive #5

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59 changes: 39 additions & 20 deletions addons/ondat/enable
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,9 @@ red=$(tput bold && tput setaf 1)
green=$(tput bold && tput setaf 2)
yellow=$(tput bold && tput setaf 3)

# MicroK8s variables.
kubectl="$SNAP/microk8s-kubectl.wrapper"

function error() {
# local variable.
local date_time
Expand Down Expand Up @@ -46,47 +49,65 @@ function set_prerequisites() {
# ***
function deploy_ondat() {
# local variables.
local get_node_count
local helm
local ondat_namespace
local etcd_cluster_storage_class
local etcd_cluster_storage_size
local etcd_cluster_requests_cpu
local etcd_cluster_requests_memory

get_node_count=$("$SNAP"/microk8s-kubectl.wrapper get nodes --no-headers | wc -l)
helm="$SNAP/microk8s-helm3.wrapper"
ondat_namespace="storageos"
etcd_cluster_storage_class="microk8s-hostpath"
etcd_cluster_storage_size="6Gi"
etcd_cluster_requests_cpu="100m"
etcd_cluster_requests_memory="300Mi"

# install Ondat.
cat <<EndOfMessage
$yellow
*** Ondat 'etcd' Cluster Replicas Sizing Guide ***

- Single-node Cluster (=1 node) = '1' etcd replica.
- Multi-node Cluster (=3 nodes) = '3' etcd replcias (For Test Environments).
- Multi-node Cluster (>=5 nodes) = '5' etcd replcias (For Prod Environments).
$reset
EndOfMessage
read -rp "$yellow Number of 'etcd' replicas to create (Min= 1, Max = 5): $reset" etcd_cluster_replica_count
echo " "
if [[ "$etcd_cluster_replica_count" -gt 0 && "$etcd_cluster_replica_count" -le 5 ]]; then
echo "$yellow Enabling 'Ondat' add-on... $reset"
"$helm" repo add ondat https://ondat.github.io/charts
"$helm" repo update
# Setup Ondat Helm chart repository.
"$helm" repo add ondat https://ondat.github.io/charts
"$helm" repo update

# Install Ondat.
if [[ "$get_node_count" -le "2" ]]; then
echo "$yellow Detected: $get_node_count node(s)... $reset"
echo "$yellow Enabling 'Ondat' add-on with '1' etcd replica... $reset"
"$helm" install ondat ondat/ondat \
--create-namespace \
--namespace="$ondat_namespace" \
--set etcd-cluster-operator.cluster.storageclass="$etcd_cluster_storage_class" \
--set etcd-cluster-operator.cluster.replicas=1 \
--set etcd-cluster-operator.cluster.storage="$etcd_cluster_storage_size" \
--set etcd-cluster-operator.cluster.resources.requests.cpu="$etcd_cluster_requests_cpu" \
--set etcd-cluster-operator.cluster.resources.requests.memory="$etcd_cluster_requests_memory" # --debug
"$kubectl" scale --replicas=1 deployment storageos-etcd-controller-manager --namespace="$ondat_namespace"
echo "$green Ondat is enabled... $reset"
elif [[ "$get_node_count" -ge "3" && "$get_node_count" -le "4" ]]; then
echo "$yellow Detected: $get_node_count nodes... $reset"
echo "$yellow Enabling 'Ondat' add-on with '3' etcd replicas... $reset"
"$helm" install ondat ondat/ondat \
--create-namespace \
--namespace="$ondat_namespace" \
--set etcd-cluster-operator.cluster.storageclass="$etcd_cluster_storage_class" \
--set etcd-cluster-operator.cluster.replicas="$etcd_cluster_replica_count" \
--set etcd-cluster-operator.cluster.replicas=3 \
--set etcd-cluster-operator.cluster.storage="$etcd_cluster_storage_size" \
--set etcd-cluster-operator.cluster.resources.requests.cpu="$etcd_cluster_requests_cpu" \
--set etcd-cluster-operator.cluster.resources.requests.memory="$etcd_cluster_requests_memory" # --debug
echo "$green Ondat is enabled... $reset"
elif [[ "$get_node_count" -ge "5" ]]; then
echo "$yellow Detected: $get_node_count nodes... $reset"
echo "$yellow Enabling 'Ondat' add-on with '5' etcd replicas... $reset"
"$helm" install ondat ondat/ondat \
--create-namespace \
--namespace="$ondat_namespace" \
--set etcd-cluster-operator.cluster.storageclass="$etcd_cluster_storage_class" \
--set etcd-cluster-operator.cluster.replicas=5 \
--set etcd-cluster-operator.cluster.storage="$etcd_cluster_storage_size" \
--set etcd-cluster-operator.cluster.resources.requests.cpu="$etcd_cluster_requests_cpu" \
--set etcd-cluster-operator.cluster.resources.requests.memory="$etcd_cluster_requests_memory" # --debug
else
error "$red Ensure that you enter a natural number greater than '0' or less than/equal to '5'... $reset"
error "$red Cannot install Ondat, check and ensure that your cluster nodes are healthy... $reset"
exit 1
fi
deploy_ondat_cli
Expand All @@ -100,10 +121,8 @@ EndOfMessage
# ***
function deploy_ondat_cli() {
# local variables.
local kubectl
local current_directory

kubectl="$SNAP/microk8s-kubectl.wrapper"
current_directory=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)

# install Ondat CLI.
Expand Down