github.com/imran-kn/cilium-fork@v1.6.9/contrib/policy-watcher/cilium-policy-watcher (about)

     1  #!/bin/bash
     2  
     3  set -e
     4  
     5  if [ -z "$1" -o "$1" = "REPO" ]; then
     6  	echo "Usage: policy-watcher.sh REPOSITORY"
     7  	exit 1
     8  fi
     9  
    10  POLL_DELAY=1
    11  POLICY_REPO=$1
    12  CACHE_REPO=./policy-cache
    13  POLICY_TOOL=cilium-net-policy
    14  
    15  cd /var/run/cilium
    16  
    17  ret=0
    18  which ${POLICY_TOOL} > /dev/null 2>&1 || ret=$?
    19  if [ $ret -ne 0 ]; then
    20  	echo "No policy tool found, install cilium-net-policy"
    21  	exit 1
    22  fi
    23  
    24  while true; do
    25  	rm -fr $CACHE_REPO 2> /dev/null || true
    26  
    27  	git clone --recursive "$POLICY_REPO" $CACHE_REPO
    28  	cd $CACHE_REPO
    29  
    30  	# Wait for incremental updates
    31  	cp /usr/lib/cilium/githooks/post-merge .git/hooks/
    32  
    33  	# Initial import
    34  	cilium-net-policy import -p . || true
    35  
    36  	while true; do
    37  		sleep $POLL_DELAY
    38  		ret=0
    39  		git pull -q --recurse-submodules=yes || ret=$?
    40  		if [ $ret -ne 0 ]; then
    41  			break
    42  		fi
    43  
    44  		ret=0
    45  		git submodule update || ret=$?
    46  		if [ $ret -ne 0 ]; then
    47  			break
    48  		fi
    49  	done
    50  done