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@acatangiu @serban300 @dianpopa
executable file 123 lines (102 sloc) 2.92 KB
#!/bin/bash -e
SB_ID="${1:-0}" # Default to sb_id=0
RO_DRIVE="$PWD/xenial.rootfs.ext4"
KERNEL="$PWD/vmlinux"
TAP_DEV="fc-${SB_ID}-tap0"
KERNEL_BOOT_ARGS="panic=1 pci=off reboot=k tsc=reliable quiet 8250.nr_uarts=0 ipv6.disable=1 $R_INIT"
#KERNEL_BOOT_ARGS="console=ttyS0 reboot=k panic=1 pci=off nomodules ipv6.disable=1 $R_INIT"
API_SOCKET="/tmp/firecracker-sb${SB_ID}.sock"
CURL=(curl --silent --show-error --header Content-Type:application/json --unix-socket "${API_SOCKET}" --write-out "HTTP %{http_code}")
curl_put() {
local URL_PATH="$1"
local OUTPUT RC
OUTPUT="$("${CURL[@]}" -X PUT --data @- "http://localhost/${URL_PATH#/}" 2>&1)"
RC="$?"
if [ "$RC" -ne 0 ]; then
echo "Error: curl PUT ${URL_PATH} failed with exit code $RC, output:"
echo "$OUTPUT"
return 1
fi
# Error if output doesn't end with "HTTP 2xx"
if [[ "$OUTPUT" != *HTTP\ 2[0-9][0-9] ]]; then
echo "Error: curl PUT ${URL_PATH} failed with non-2xx HTTP status code, output:"
echo "$OUTPUT"
return 1
fi
}
logfile="$PWD/output/fc-sb${SB_ID}-log"
#metricsfile="$PWD/output/fc-sb${SB_ID}-metrics"
metricsfile="/dev/null"
touch $logfile
# Setup TAP device that uses proxy ARP
MASK_LONG="255.255.255.252"
#MASK_SHORT="/30"
FC_IP="$(printf '169.254.%s.%s' $(((4 * SB_ID + 1) / 256)) $(((4 * SB_ID + 1) % 256)))"
TAP_IP="$(printf '169.254.%s.%s' $(((4 * SB_ID + 2) / 256)) $(((4 * SB_ID + 2) % 256)))"
FC_MAC="$(printf '02:FC:00:00:%02X:%02X' $((SB_ID / 256)) $((SB_ID % 256)))"
#ip link del "$TAP_DEV" 2> /dev/null || true
#ip tuntap add dev "$TAP_DEV" mode tap
#sysctl -w net.ipv4.conf.${TAP_DEV}.proxy_arp=1 > /dev/null
#sysctl -w net.ipv6.conf.${TAP_DEV}.disable_ipv6=1 > /dev/null
#ip addr add "${TAP_IP}${MASK_SHORT}" dev "$TAP_DEV"
#ip link set dev "$TAP_DEV" up
KERNEL_BOOT_ARGS="${KERNEL_BOOT_ARGS} ip=${FC_IP}::${TAP_IP}:${MASK_LONG}::eth0:off"
# Start Firecracker API server
rm -f "$API_SOCKET"
./firecracker --api-sock "$API_SOCKET" --id "${SB_ID}" &
sleep 0.015s
# Wait for API server to start
while [ ! -e "$API_SOCKET" ]; do
echo "FC $SB_ID still not ready..."
sleep 0.01s
done
curl_put '/logger' <<EOF
{
"log_fifo": "$logfile",
"metrics_fifo": "$metricsfile",
"level": "Warning",
"show_level": false,
"show_log_origin": false
}
EOF
#curl_put '/machine-config' <<EOF
#{
# "vcpu_count": 1,
# "mem_size_mib": 128
#}
#EOF
curl_put '/boot-source' <<EOF
{
"kernel_image_path": "$KERNEL",
"boot_args": "$KERNEL_BOOT_ARGS"
}
EOF
curl_put '/drives/1' <<EOF
{
"drive_id": "1",
"path_on_host": "$RO_DRIVE",
"is_root_device": true,
"is_read_only": true
}
EOF
#
#curl_put '/drives/2' <<EOF
#{
# "drive_id": "2",
# "path_on_host": "$RW_DRIVE",
# "is_root_device": false,
# "is_read_only": false
#}
#EOF
curl_put '/network-interfaces/1' <<EOF
{
"iface_id": "1",
"guest_mac": "$FC_MAC",
"host_dev_name": "$TAP_DEV"
}
EOF
curl_put '/actions' <<EOF
{
"action_type": "InstanceStart"
}
EOF
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