mirror of
https://github.com/k8snetworkplumbingwg/multus-cni.git
synced 2025-08-30 15:01:24 +00:00
[entrypoint] Add options to specify logfile & loglevel in entrypoint (#280)
This commit is contained in:
Doug Smith
dougbtv
parent
1e4fe4f837
commit
4aecbd2133
@ -10,6 +10,8 @@ MULTUS_CONF_FILE="/usr/src/multus-cni/images/70-multus.conf"
|
||||
MULTUS_BIN_FILE="/usr/src/multus-cni/bin/multus"
|
||||
MULTUS_KUBECONFIG_FILE_HOST="/etc/cni/net.d/multus.d/multus.kubeconfig"
|
||||
MULTUS_NAMESPACE_ISOLATION=false
|
||||
MULTUS_LOG_LEVEL=""
|
||||
MULTUS_LOG_FILE=""
|
||||
|
||||
# Give help text for parameters.
|
||||
function usage()
|
||||
@ -17,7 +19,7 @@ function usage()
|
||||
echo -e "This is an entrypoint script for Multus CNI to overlay its binary and "
|
||||
echo -e "configuration into locations in a filesystem. The configuration & binary file "
|
||||
echo -e "will be copied to the corresponding configuration directory. When "
|
||||
echo -e "`--multus-conf-file=auto` is used, 00-multus.conf will be automatically "
|
||||
echo -e "'--multus-conf-file=auto' is used, 00-multus.conf will be automatically "
|
||||
echo -e "generated from the CNI configuration file of the master plugin (the first file "
|
||||
echo -e "in lexicographical order in cni-conf-dir)."
|
||||
echo -e ""
|
||||
@ -29,6 +31,8 @@ function usage()
|
||||
echo -e "\t--multus-bin-file=$MULTUS_BIN_FILE"
|
||||
echo -e "\t--multus-kubeconfig-file-host=$MULTUS_KUBECONFIG_FILE_HOST"
|
||||
echo -e "\t--namespace-isolation=$MULTUS_NAMESPACE_ISOLATION"
|
||||
echo -e "\t--multus-log-level=$MULTUS_LOG_LEVEL (empty by default, used only with --multus-conf-file=auto)"
|
||||
echo -e "\t--multus-log-file=$MULTUS_LOG_FILE (empty by default, used only with --multus-conf-file=auto)"
|
||||
}
|
||||
|
||||
# Parse parameters given as arguments to this script.
|
||||
@ -58,10 +62,14 @@ while [ "$1" != "" ]; do
|
||||
--namespace-isolation)
|
||||
MULTUS_NAMESPACE_ISOLATION=$VALUE
|
||||
;;
|
||||
--multus-log-level)
|
||||
MULTUS_LOG_LEVEL=$VALUE
|
||||
;;
|
||||
--multus-log-file)
|
||||
MULTUS_LOG_FILE=$VALUE
|
||||
;;
|
||||
*)
|
||||
echo "ERROR: unknown parameter \"$PARAM\""
|
||||
usage
|
||||
exit 1
|
||||
echo "WARNING: unknown parameter \"$PARAM\""
|
||||
;;
|
||||
esac
|
||||
shift
|
||||
@ -71,7 +79,7 @@ done
|
||||
# Create array of known locations
|
||||
declare -a arr=($CNI_CONF_DIR $CNI_BIN_DIR $MULTUS_BIN_FILE)
|
||||
if [ "$MULTUS_CONF_FILE" != "auto" ]; then
|
||||
arr+=($MULTUS_BIN_FILE)
|
||||
arr+=($MULTUS_CONF_FILE)
|
||||
fi
|
||||
|
||||
|
||||
@ -157,30 +165,73 @@ fi
|
||||
|
||||
if [ "$MULTUS_CONF_FILE" == "auto" ]; then
|
||||
echo "Generating Multus configuration file ..."
|
||||
MASTER_PLUGIN="$(ls $CNI_CONF_DIR | grep -E '\.conf(list)?$' | grep -Ev '00-multus\.conf' | head -1)"
|
||||
if [ "$MASTER_PLUGIN" == "" ]; then
|
||||
echo "Error: Multus could not be configured: no master plugin was found."
|
||||
exit 1;
|
||||
else
|
||||
ISOLATION_STRING=""
|
||||
if [ "$MULTUS_NAMESPACE_ISOLATION" == true ]; then
|
||||
ISOLATION_STRING="\"namespaceIsolation\": true,"
|
||||
found_master=false
|
||||
tries=0
|
||||
while [ $found_master == false ]; do
|
||||
MASTER_PLUGIN="$(ls $CNI_CONF_DIR | grep -E '\.conf(list)?$' | grep -Ev '00-multus\.conf' | head -1)"
|
||||
if [ "$MASTER_PLUGIN" == "" ]; then
|
||||
if [ $tries -lt 600 ]; then
|
||||
if ! (($tries % 5)); then
|
||||
echo "Attemping to find master plugin configuration, attempt $tries"
|
||||
fi
|
||||
let "tries+=1"
|
||||
sleep 1;
|
||||
else
|
||||
echo "Error: Multus could not be configured: no master plugin was found."
|
||||
exit 1;
|
||||
fi
|
||||
else
|
||||
|
||||
found_master=true
|
||||
|
||||
ISOLATION_STRING=""
|
||||
if [ "$MULTUS_NAMESPACE_ISOLATION" == true ]; then
|
||||
ISOLATION_STRING="\"namespaceIsolation\": true,"
|
||||
fi
|
||||
|
||||
LOG_LEVEL_STRING=""
|
||||
if [ ! -z "${MULTUS_LOG_LEVEL// }" ]; then
|
||||
case "$MULTUS_LOG_LEVEL" in
|
||||
debug)
|
||||
;;
|
||||
error)
|
||||
;;
|
||||
panic)
|
||||
;;
|
||||
verbose)
|
||||
;;
|
||||
*)
|
||||
echo "ERROR: Log levels should be one of: debug/verbose/error/panic, did not understand $MULTUS_LOG_LEVEL"
|
||||
usage
|
||||
exit 1
|
||||
esac
|
||||
LOG_LEVEL_STRING="\"logLevel\": \"$MULTUS_LOG_LEVEL\","
|
||||
fi
|
||||
|
||||
LOG_FILE_STRING=""
|
||||
if [ ! -z "${MULTUS_LOG_FILE// }" ]; then
|
||||
LOG_FILE_STRING="\"logFile\": \"$MULTUS_LOG_FILE\","
|
||||
fi
|
||||
|
||||
MASTER_PLUGIN_JSON="$(cat $CNI_CONF_DIR/$MASTER_PLUGIN)"
|
||||
CONF=$(cat <<-EOF
|
||||
{
|
||||
"name": "multus-cni-network",
|
||||
"type": "multus",
|
||||
$ISOLATION_STRING
|
||||
$LOG_LEVEL_STRING
|
||||
$LOG_FILE_STRING
|
||||
"kubeconfig": "$MULTUS_KUBECONFIG_FILE_HOST",
|
||||
"delegates": [
|
||||
$MASTER_PLUGIN_JSON
|
||||
]
|
||||
}
|
||||
EOF
|
||||
)
|
||||
echo $CONF > $CNI_CONF_DIR/00-multus.conf
|
||||
echo "Config file created @ $CNI_CONF_DIR/00-multus.conf"
|
||||
fi
|
||||
MASTER_PLUGIN_JSON="$(cat $CNI_CONF_DIR/$MASTER_PLUGIN)"
|
||||
CONF=$(cat <<-EOF
|
||||
{
|
||||
"name": "multus-cni-network",
|
||||
"type": "multus",
|
||||
$ISOLATION_STRING
|
||||
"kubeconfig": "$MULTUS_KUBECONFIG_FILE_HOST",
|
||||
"delegates": [
|
||||
$MASTER_PLUGIN_JSON
|
||||
]
|
||||
}
|
||||
EOF
|
||||
)
|
||||
echo $CONF > $CNI_CONF_DIR/00-multus.conf
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
# ---------------------- end Generate "00-multus.conf".
|
||||
|
||||
Loading…
Reference in New Issue
Block a user