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Allow to disable logrotation of kubernetes and pod logs

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Make logrotate disabled by default
This commit is contained in:
Daniel Gutowski 2020-08-07 10:26:45 +02:00 committed by Daniel Gutowski
parent aa0632208e
commit adf7ed4241
3 changed files with 33 additions and 14 deletions
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7
cluster/gce/config-default.sh
View File

@ -425,6 +425,9 @@ METADATA_CLOBBERS_CONFIG="${METADATA_CLOBBERS_CONFIG:-false}"
ENABLE_BIG_CLUSTER_SUBNETS="${ENABLE_BIG_CLUSTER_SUBNETS:-false}"
# Optional: Enable log rotation for k8s services
ENABLE_LOGROTATE_FILES="${ENABLE_LOGROTATE_FILES:-false}"
PROVIDER_VARS="${PROVIDER_VARS:-} ENABLE_LOGROTATE_FILES"
if [[ -n "${LOGROTATE_FILES_MAX_COUNT:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} LOGROTATE_FILES_MAX_COUNT"
fi
@ -432,6 +435,10 @@ if [[ -n "${LOGROTATE_MAX_SIZE:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} LOGROTATE_MAX_SIZE"
fi
# Optional: Enable log rotation for pod logs
ENABLE_POD_LOG="${ENABLE_POD_LOG:-false}"
PROVIDER_VARS="${PROVIDER_VARS:-} ENABLE_POD_LOG"
if [[ -n "${POD_LOG_MAX_FILE:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} POD_LOG_MAX_FILE"
fi

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

@ -467,6 +467,9 @@ ADVANCED_AUDIT_LOG_MODE=${ADVANCED_AUDIT_LOG_MODE:-batch} # batch, blocking
ENABLE_BIG_CLUSTER_SUBNETS=${ENABLE_BIG_CLUSTER_SUBNETS:-false}
# Optional: Enable log rotation for k8s services
ENABLE_LOGROTATE_FILES="${ENABLE_LOGROTATE_FILES:-false}"
PROVIDER_VARS="${PROVIDER_VARS:-} ENABLE_LOGROTATE_FILES"
if [[ -n "${LOGROTATE_FILES_MAX_COUNT:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} LOGROTATE_FILES_MAX_COUNT"
fi
@ -474,6 +477,10 @@ if [[ -n "${LOGROTATE_MAX_SIZE:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} LOGROTATE_MAX_SIZE"
fi
# Optional: Enable log rotation for pod logs
ENABLE_POD_LOG="${ENABLE_POD_LOG:-false}"
PROVIDER_VARS="${PROVIDER_VARS:-} ENABLE_POD_LOG"
if [[ -n "${POD_LOG_MAX_FILE:-}" ]]; then
PROVIDER_VARS="${PROVIDER_VARS:-} POD_LOG_MAX_FILE"
fi

5
cluster/gce/gci/configure-helper.sh
View File

@ -428,6 +428,8 @@ function ensure-local-ssds() {
# Installs logrotate configuration files
function setup-logrotate() {
mkdir -p /etc/logrotate.d/
if [[ "${ENABLE_LOGROTATE_FILES:-false}" = "true" ]]; then
# Configure log rotation for all logs in /var/log, which is where k8s services
# are configured to write their log files. Whenever logrotate is ran, this
# config will:
@ -452,7 +454,9 @@ function setup-logrotate() {
create 0644 root root
}
EOF
fi
if [[ "${ENABLE_POD_LOG:-false}" = "true" ]]; then
# Configure log rotation for pod logs in /var/log/pods/NAMESPACE_NAME_UID.
cat > /etc/logrotate.d/allpodlogs <<EOF
/var/log/pods/*/*.log {
@ -468,6 +472,7 @@ EOF
create 0644 root root
}
EOF
fi
}
# Finds the master PD device; returns it in MASTER_PD_DEVICE