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Enable overriding fluentd resources in GCP

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This commit is contained in:
Daniel Kłobuszewski 2017-07-17 10:25:33 +02:00
parent 7bc1c67685
commit b48b1b80bc
4 changed files with 43 additions and 0 deletions
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7
cluster/gce/config-default.sh
View File

@ -285,3 +285,10 @@ fi
if [[ -n "${LOGROTATE_MAX_SIZE:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} LOGROTATE_MAX_SIZE"
fi
# Fluentd requirements
FLUENTD_GCP_MEMORY_LIMIT="${FLUENTD_GCP_MEMORY_LIMIT:-300Mi}"
FLUENTD_GCP_CPU_REQUEST="${FLUENTD_GCP_CPU_REQUEST:-100m}"
FLUENTD_GCP_MEMORY_REQUEST="${FLUENTD_GCP_MEMORY_REQUEST:-200Mi}"
# Adding to PROVIDER_VARS, since this is GCP-specific.
PROVIDER_VARS="${PROVIDER_VARS:-} FLUENTD_GCP_MEMORY_LIMIT FLUENTD_GCP_CPU_REQUEST FLUENTD_GCP_MEMORY_REQUEST"

7
cluster/gce/config-test.sh
View File

@ -334,3 +334,10 @@ fi
if [[ -n "${LOGROTATE_MAX_SIZE:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} LOGROTATE_MAX_SIZE"
fi
# Fluentd requirements
FLUENTD_GCP_MEMORY_LIMIT="${FLUENTD_GCP_MEMORY_LIMIT:-300Mi}"
FLUENTD_GCP_CPU_REQUEST="${FLUENTD_GCP_CPU_REQUEST:-100m}"
FLUENTD_GCP_MEMORY_REQUEST="${FLUENTD_GCP_MEMORY_REQUEST:-200Mi}"
# Adding to PROVIDER_VARS, since this is GCP-specific.
PROVIDER_VARS="${PROVIDER_VARS:-} FLUENTD_GCP_MEMORY_LIMIT FLUENTD_GCP_CPU_REQUEST FLUENTD_GCP_MEMORY_REQUEST"

22
cluster/gce/gci/configure-helper.sh
View File

@ -1596,6 +1596,26 @@ function setup-addon-manifests {
chmod 644 "${dst_dir}"/*
}
# Fluentd manifest is modified using kubectl, which may not be available at
# this point. Run this as a background process.
function wait-for-apiserver-and-update-fluentd {
until kubectl get nodes
do
sleep 10
done
kubectl set resources --dry-run --local -f ${fluentd_gcp_yaml} \
--limits=memory=${FLUENTD_GCP_MEMORY_LIMIT} \
--requests=cpu=${FLUENTD_GCP_CPU_REQUEST},memory=${FLUENTD_GCP_MEMORY_REQUEST} \
-o yaml > ${fluentd_gcp_yaml}.tmp
mv ${fluentd_gcp_yaml}.tmp ${fluentd_gcp_yaml}
}
# Trigger background process that will ultimately update fluentd resource
# requirements.
function start-fluentd-resource-update {
wait-for-apiserver-and-update-fluentd &
}
# Prepares the manifests of k8s addons, and starts the addon manager.
# Vars assumed:
# CLUSTER_NAME
@ -1679,6 +1699,8 @@ function start-kube-addons {
if [[ "${ENABLE_NODE_LOGGING:-}" == "true" ]] && \
[[ "${LOGGING_DESTINATION:-}" == "gcp" ]]; then
setup-addon-manifests "addons" "fluentd-gcp"
local -r fluentd_gcp_yaml="${dst_dir}/fluentd-gcp/fluentd-gcp-ds.yaml"
start-fluentd-resource-update
fi
if [[ "${ENABLE_CLUSTER_UI:-}" == "true" ]]; then
setup-addon-manifests "addons" "dashboard"

7
cluster/gke/config-default.sh
View File

@ -47,3 +47,10 @@ KUBE_DELETE_NETWORK=${KUBE_DELETE_NETWORK:-false}
# authentication) in metadata should be treated as canonical, and therefore disk
# copies ought to be recreated/clobbered.
METADATA_CLOBBERS_CONFIG=true
# Fluentd requirements
FLUENTD_GCP_MEMORY_LIMIT="${FLUENTD_GCP_MEMORY_LIMIT:-300Mi}"
FLUENTD_GCP_CPU_REQUEST="${FLUENTD_GCP_CPU_REQUEST:-100m}"
FLUENTD_GCP_MEMORY_REQUEST="${FLUENTD_GCP_MEMORY_REQUEST:-200Mi}"
# Adding to PROVIDER_VARS, since this is GCP-specific.
PROVIDER_VARS="${PROVIDER_VARS:-} FLUENTD_GCP_MEMORY_LIMIT FLUENTD_GCP_CPU_REQUEST FLUENTD_GCP_MEMORY_REQUEST"