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[Federation] Only attempt to log information about pods in federation/cluster/log-dump.sh if those pods exist. #44881

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Apr 26, 2017
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[Federation] Only attempt to log information about pods in federation/cluster/log-dump.sh if those pods exist. #44881

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14 changes: 12 additions & 2 deletions federation/cluster/log-dump.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,12 @@ OUTPUT_DIR="${REPORT_DIR}/federation"

# Dumps logs for all pods in a federation.
function dump_federation_pod_logs() {
local -r federation_pod_names=($(kubectl get pods -l 'app=federated-cluster' --namespace=${FEDERATION_NAMESPACE} -o name))
local -r federation_pod_names_string="$(kubectl get pods -l 'app=federated-cluster' --namespace=${FEDERATION_NAMESPACE} -o name)"
if [[ -z "${federation_pod_names_string}" ]]; then
return
fi

local -r federation_pod_names=(${federation_pod_names_string})
for pod_name in ${federation_pod_names[@]}; do
# The API server pod has two containers
if [[ "${pod_name}" == *apiserver* ]]; then
Expand Down Expand Up @@ -58,7 +63,12 @@ function dump_apiserver_pod_logs() {
# TODO: This currently only grabs DNS pod logs from the host cluster. It should
# grab those logs from all clusters in the federation.
function dump_dns_pod_logs() {
local -r dns_pod_names=($(kubectl get pods -l 'k8s-app=kube-dns' --namespace=kube-system -o name))
local -r dns_pod_names_string="$(kubectl get pods -l 'k8s-app=kube-dns' --namespace=kube-system -o name)"
if [[ -z "${dns_pod_names_string}" ]]; then
return
fi

local -r dns_pod_names=(${dns_pod_names_string})
local -r dns_pod_containers=(kubedns dnsmasq sidecar)

for pod_name in ${dns_pod_names[@]}; do
Expand Down