Manipulate SAP DI HelmDeployment's state

hd-set-state.sh

#!/usr/bin/env bash

set -euo pipefail

scriptName="$(basename "${BASH_SOURCE[0]}")"

usage="$scriptName [options] NAME STATE

Switch state of HelmDeployment/NAME to the STATE. Allowed state values are \"deployed\" and
\"failed\".

Example:
    $scriptName -n sdi diagnostic DEPLOYED

Options:
  -h | --help
        Show this message and exit.
  -n | --namespace NAMESPACE
        Kubernetes namespace where SAP Data Intelligence runs. Defaults to the current namespace."
readonly usage

function join() { IFS="$1"; shift; echo "$*"; }

longOptions=( namespace: help: )

function getSAToken() {
    local saname secret token
    saname="${nm}-vora-deployment-operator"
    secret="$(oc get -o json "sa/$saname" -n "$nm" | \
        jq -r '.secrets[] | .name | select(test("-token-"))')"

    if [[ -z "${secret:-}" ]]; then
        printf 'Failed to determine the token secret for serviceaccount "%s"\n!' "$saname"
        return 1
    fi

    token="$(oc get "secret/$secret" -n "$nm" -o json | jq -r '.data.token' | base64 -d)"
    if [[ -z "${token:-}" ]]; then
        printf 'Failed to determine the token from secret "%s"\n!' "$secret"
        return 1
    fi
    printf '%s' "$token"
}

function getToken() {
    local token
    token="$(oc whoami -t)"
    if [[ -n "${token:-}" ]] && grep -q yes < <(oc auth can-i update helmdeployment -n "$nm"); then
        printf '%s' "$token"
        return 0
    fi
    getSAToken
}

TMPARGS="$(getopt -n "$(basename "${BASH_SOURCE[0]}")" -o hn: \
    -l "$(join , "${longOptions[@]}")" -- "$@")"
eval set -- "$TMPARGS"

nm=""

while true; do
    case "$1" in
        -n | --namespace)
            nm="$2"
            shift 2
            ;;
        -h | --help)
            printf '%s\n' "$usage"
            exit 0
            ;;
        --)
            shift
            break
            ;;
        *)
            printf 'Unrecognized option "%s"!\n' "$1" >&2
            exit 1
            ;;
    esac
done

if [[ "$#" -lt 2 ]]; then
    printf 'Missing NAME and/or STATE arguments!\n' >&1
    exit 1
fi

name="$1"
state="$2"
state="$(tr '[:lower:]' '[:upper:]' <<<"$state")"
if [[ ! "$state" =~ ^(DEPLOYED|FAILED)$ ]]; then
    printf 'STATE must be one of DEPLOYED, FAILED!\n' >&2
    exit 1
fi

if [[ -z "${nm:-}" ]]; then
    nm="$(oc project -q)"
fi

api="$(oc cluster-info | sed -n 's/.*is running at \(.\+\)/\1/p' | \
    sed "s,\x1B\[[0-9;]*[a-zA-Z],,g")"
if [[ -z "${api:-}" ]]; then
    printf 'Failed to determine API endpoint of the OpenShift server!\n'
    exit 1
fi

token="$(getToken)"
if [[ -z "${token:-}" ]]; then
    exit 1
fi

url="$(printf \
    '%s/apis/installers.datahub.sap.com/v1alpha1/namespaces/%s/helmdeployments/%s/status' \
    "$api" "$nm" "$name")"

obj="$(curl -s -L \
    -H "Accept: application/json" \
    -H "Authorization: Bearer $token" \
    "$url")"
if [[ -z "${obj:-}" ]]; then
    printf 'Could not get the current status of HelmDeployment/%s!\n' >&2 "$name"
    exit 1
fi
if [[ "$(jq -r '.kind' <<<"$obj")" == 'Status' ]]; then
    printf '%s\n' "$obj"
    exit 1
fi

currentState="$(jq '.status.state' <<<"$obj")"
if [[ -z "${currentState:-}" ]]; then
    printf 'Could not determine the current currentState!\n' >&2
    exit 1
fi

printf 'Current state of HelmDeployment/%s: %s\n' "$name" "$state"

patch="$(jq -n -c --arg state "$state" '{
    "status": {
        "state": $state
    }
}')"

curl -XPATCH \
    -H "Accept: application/json" \
    -H "Content-Type: application/merge-patch+json" \
    -H "Authorization: Bearer $token" \
    --data "$patch" "$url"