gather

#! /bin/bash
# Copyright (c) 2023 Red Hat, Inc.
# Copyright Contributors to the Open Cluster Management project

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
source ${SCRIPT_DIR}/gather_utils

mkdir -p ${BASE_COLLECTION_PATH}

MCE_CLUSTER=false
HUB_CLUSTER=false
SPOKE_CLUSTER=false
MCE_NAME=""
export OPERATOR_NAMESPACE=""
export DEPLOYMENT_NAMESPACE=""
export GATHER_MCE_RAN=false
export GATHER_HUB_RAN=false
export HC_NAME=""
export HC_NAMESPACE="clusters" # default hosted cluster namespace

parse_args "$@"

check_if_engine() {
  MCE_NAME=$(oc get multiclusterengines.multicluster.openshift.io --all-namespaces --no-headers=true | awk '{ print $1 }')
  if [[ -n "${MCE_NAME}" ]]; then
    log "Detected MCE resource: \"${MCE_NAME}\" on current cluster. This cluster has been verified as an engine cluster."
    MCE_CLUSTER=true
    OPERATOR_NAMESPACE=$(oc get pod -l control-plane=backplane-operator --all-namespaces --no-headers=true | head -n 1 | awk '{ print $1 }')
    DEPLOYMENT_NAMESPACE=$(oc get mce "${MCE_NAME}" -o jsonpath='{.spec.targetNamespace}')
  else
    log "No MCE resource detected on the current cluster. This is not an engine cluster (Previous errors can be safely ignored)."
  fi
}

check_if_hub() {
  log "Detecting Hub cluster by fetching MCH resource..."
  if oc get multiclusterhubs.operator.open-cluster-management.io --all-namespaces; then
    log "Detected MCH resource. This cluster has been verified as a hub cluster."
    HUB_CLUSTER=true
  else
    log "No MCH resource detected on the current cluster. This is not a hub cluster (Previous errors can be safely ignored)."
  fi
}

check_if_spoke() {
  log "Detecting Managed cluster by fetching Klusterlet CRD..."
  if oc get crd klusterlets.operator.open-cluster-management.io; then
    log "The current cluster has klusterlets.operator.open-cluster-management.io crd, it is a spoke cluster."
    SPOKE_CLUSTER=true
  else
    log "The current cluster does not have klusterlets.operator.open-cluster-management.io crd, it is not a spoke cluster."
  fi
}

check_if_engine
check_if_spoke

if ${MCE_CLUSTER}; then
  check_if_hub
  if ${HUB_CLUSTER}; then
    # NOTE: The `gather_all_logs` script includes `gather_mce_logs`
    log "Running ACM MultiClusterHub Must-Gather"
    ${SCRIPT_DIR}/gather_all_logs
  else
    log "Running MulticlusterEngine Must-Gather"
    ${SCRIPT_DIR}/gather_mce_logs
  fi
fi

if ${SPOKE_CLUSTER}; then
  ${SCRIPT_DIR}/gather_spoke_logs
fi

log "ACM must-gather complete."