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#!/bin/bash
# Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
set -e
source "${0%/*}/common.sh"
declare CONTAINER_ROOT_DIR="$APPLICATION_STORAGE_ROOT/$CONFIG_SERVER_CONTAINER_NAME"
function Usage {
UsageHelper "$@" <<EOF
Usage: $SCRIPT_NAME <command> [--wait]
Manage the Config Server
Commands:
start Start the Config Server in a Docker container
stop Remove the Config Server container
restart Stop, then start
Options:
--hv-env <env>
Start the config server with the given hosted Vespa environment
name. Must be one of prod, dev, test, staging, etc. Default is
$DEFAULT_HOSTED_VESPA_ENVIRONMENT.
--hv-region <region>
Start the config server with the given hosted Vespa region name.
Default is $DEFAULT_HOSTED_VESPA_REGION.
--wait true
Make start wait until the Config Server is healthy
EOF
}
function Stop {
# Prime sudo
sudo true
echo -n "Removing $CONFIG_SERVER_CONTAINER_NAME container... "
docker rm -f "$CONFIG_SERVER_CONTAINER_NAME" &>/dev/null || true
echo done
if [ -d "$CONTAINER_ROOT_DIR" ]
then
# Double-check we're not 'rm -rf' something unexpected!
if ! [[ "$CONTAINER_ROOT_DIR" =~ ^/home/docker/container-storage/ ]]
then
Fail "DANGEROUS: Almost removed '$CONTAINER_ROOT_DIR'..."
fi
echo -n "Removing container dir $CONTAINER_ROOT_DIR... "
sudo rm -rf "$CONTAINER_ROOT_DIR"
# The next two statements will prune empty parent directories.
sudo mkdir "$CONTAINER_ROOT_DIR"
sudo rmdir --ignore-fail-on-non-empty -p "$CONTAINER_ROOT_DIR"
echo done
fi
}
function Start {
# Prime sudo
sudo true
local wait="${OPTION_WAIT:-true}"
case "$wait" in
true|false) : ;;
*) Usage "--wait should only be set to true or false" ;;
esac
local region="${OPTION_HV_REGION:-$DEFAULT_HOSTED_VESPA_REGION}"
local environment="${OPTION_HV_ENV:-$DEFAULT_HOSTED_VESPA_ENVIRONMENT}"
echo -n "Creating container dir $CONTAINER_ROOT_DIR... "
local shared_dir_on_localhost="$APPLICATION_STORAGE_ROOT/$CONFIG_SERVER_CONTAINER_NAME/$ROOT_DIR_SHARED_WITH_HOST"
sudo mkdir -p "$shared_dir_on_localhost"
sudo chmod a+wt "$shared_dir_on_localhost"
echo done
# Start config server
echo -n "Making $CONFIG_SERVER_CONTAINER_NAME container... "
local config_server_container_id
config_server_container_id=$(\
docker run \
--detach \
--cap-add=NET_ADMIN \
--net=none \
--hostname "$CONFIG_SERVER_HOSTNAME" \
--name "$CONFIG_SERVER_CONTAINER_NAME" \
--volume "/etc/hosts:/etc/hosts" \
--volume "$shared_dir_on_localhost:/$ROOT_DIR_SHARED_WITH_HOST" \
--env "HOSTED_VESPA_REGION=$region" \
--env "HOSTED_VESPA_ENVIRONMENT=$environment" \
--env "CONFIG_SERVER_HOSTNAME=$CONFIG_SERVER_HOSTNAME" \
--env "HOST_BRIDGE_IP=$HOST_BRIDGE_IP" \
--entrypoint /usr/local/bin/start-config-server.sh \
"$DOCKER_IMAGE")
echo done
echo -n "Verifying that $CONFIG_SERVER_CONTAINER_NAME container is running... "
local config_server_container_pid
config_server_container_pid=$(docker inspect -f '{{.State.Pid}}' "$CONFIG_SERVER_CONTAINER_NAME")
echo -n "(pid $config_server_container_pid) "
# TODO: Use .State.Status instead (only supported from version 1.9).
local config_server_container_running
config_server_container_running=$(docker inspect -f '{{.State.Running}}' "$CONFIG_SERVER_CONTAINER_NAME")
if [ "$config_server_container_pid" == 0 -o "$config_server_container_running" != true ]
then
echo "failed"
Fail "The Config Server is not running anymore, consider looking" \
"at the logs with 'docker logs $CONFIG_SERVER_CONTAINER_NAME'"
fi
echo "done"
echo -n "Setting up the $CONFIG_SERVER_CONTAINER_NAME container network of type $NETWORK_TYPE... "
if ! script_out=$(sudo ./configure-container-networking.py --"$NETWORK_TYPE" "$config_server_container_pid" "$CONFIG_SERVER_IP" 2>&1); then
echo "failed"
echo "$script_out"
exit
fi
echo "done"
if [ "$wait" == true ]
then
# Wait for config server to come up
echo -n "Waiting for healthy Config Server (~30s)"
local url="http://$CONFIG_SERVER_HOSTNAME:19071/state/v1/health"
while ! curl --silent --fail --max-time 1 "$url" >/dev/null
do
echo -n .
sleep 2
done
echo " done"
fi
}
# Makes it easier to access scripts in the same 'scripts' directory
cd "$SCRIPT_DIR"
Main "$@"
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