Unverified Commit ce6d60c6 authored by Kroese's avatar Kroese Committed by GitHub
Browse files

Parse JSON with JQ (#437) 

* feat: Parse JSON with JQ
parent ff9fd9b3

src/check.sh

+21 −34
Original line number Diff line number Diff line
@@ -9,53 +9,40 @@ file="/run/dsm.url" 
if [ ! -f  "$file" ]; then



  # Retrieve IP from guest VM for Docker healthcheck

  RESPONSE=$(curl -s -m 30 -S http://127.0.0.1:2210/read?command=10 2>&1)



  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then

    echo "Failed to connect to guest: $RESPONSE" && exit 1

  fi



  # Retrieve the HTTP port number

  if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then

    echo "Failed to parse response from guest: $RESPONSE" && exit 1

  fi

  { json=$(curl -m 30 -sk http://127.0.0.1:2210/read?command=10); rc=$?; } || :

  (( rc != 0 )) && echo "Failed to connect to guest: curl error $rc" && exit 1



  rest=${RESPONSE#*http_port}

  rest=${rest#*:}

  rest=${rest%%,*}

  PORT=${rest%%\"*}

  { result=$(echo "$json" | jq -r '.status'); rc=$?; } || :

  (( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1

  [[ "$result" == "null" ]] && echo "Guest returned invalid response: $json" && exit 1



  [ -z "${PORT}" ] && echo "Guest has not set a portnumber yet.." && exit 1



  # Retrieve the IP address

  if [[ ! "${RESPONSE}" =~ "eth0" ]] ; then

    echo "Failed to parse response from guest: $RESPONSE" && exit 1

  if [[ "$result" != "success" ]] ; then

    { msg=$(echo "$json" | jq -r '.message'); rc=$?; } || :

    echo "Guest replied ${result}: $msg" && exit 1

  fi



  rest=${RESPONSE#*eth0}

  rest=${rest#*ip}

  rest=${rest#*:}

  rest=${rest#*\"}

  IP=${rest%%\"*}

  { port=$(echo "$json" | jq -r '.data.data.dsm_setting.data.http_port'); rc=$?; } || :

  (( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1

  [[ "$port" == "null" ]] && echo "Guest has not set a portnumber yet.." && exit 1

  [ -z "${port}" ] && echo "Guest has not set a portnumber yet.." && exit 1



  [ -z "${IP}" ] && echo "Guest has not received an IP yet.." && exit 1

  { ip=$(echo "$json" | jq -r '.data.data.ip.data[] | select((.name=="eth0") and has("ip")).ip'); rc=$?; } || :

  (( rc != 0 )) && echo "Failed to parse response from guest: jq error $rc ( $json )" && exit 1

  [[ "$ip" == "null" ]] && echo "Guest returned invalid response: $json" && exit 1

  [ -z "${ip}" ] && echo "Guest has not received an IP yet.." && exit 1



  echo "${IP}:${PORT}" > $file

  echo "${ip}:${port}" > $file



fi



LOCATION=$(cat "$file")

location=$(cat "$file")



if ! curl -m 20 -ILfSs "http://${LOCATION}/" > /dev/null; then

if ! curl -m 20 -ILfSs "http://${location}/" > /dev/null; then

  rm -f $file

  echo "Failed to reach http://${LOCATION}"

  echo "Failed to reach http://${location}"

  exit 1

fi



if [[ "$LOCATION" == "20.20"* ]]; then

echo "Healthcheck OK"

else

  echo "Healthcheck OK ( ${LOCATION%:*} )"

fi



exit 0

src/print.sh

+34 −34
Original line number Diff line number Diff line 
#!/usr/bin/env bash

set -Eeuo pipefail



info () { echo -e >&2 "\E[1;34m❯\E[1;36m $1\E[0m" ; }

error () { echo -e >&2 "\E[1;31m❯ ERROR: $1\E[0m" ; }

info () { printf "%b%s%b" "\E[1;34m❯ \E[1;36m" "$1" "\E[0m\n" >&2; }

error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: $1" "\E[0m\n" >&2; }



file="/run/dsm.url"
@@ -14,53 +14,53 @@ do 


  # Retrieve IP from guest VM



  set +e

  RESPONSE=$(curl -s -m 30 -S http://127.0.0.1:2210/read?command=10 2>&1)

  set -e

  { json=$(curl -m 30 -sk http://127.0.0.1:2210/read?command=10); rc=$?; } || :

  (( rc != 0 )) && error "Failed to connect to guest: curl error $rc" && continue



  if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then

    error "Failed to connect to guest: $RESPONSE" && continue

  fi

  { result=$(echo "$json" | jq -r '.status'); rc=$?; } || :

  (( rc != 0 )) && error "Failed to parse response from guest: jq error $rc ( $json )" && continue

  [[ "$result" == "null" ]] && error "Guest returned invalid response: $json" && continue



  # Retrieve the HTTP port number

  if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then

    error "Failed to parse response from guest: $RESPONSE" && continue

  if [[ "$result" != "success" ]] ; then

    { msg=$(echo "$json" | jq -r '.message'); rc=$?; } || :

    error "Guest replied ${result}: $msg" && continue

  fi



  rest=${RESPONSE#*http_port}

  rest=${rest#*:}

  rest=${rest%%,*}

  PORT=${rest%%\"*}

  { port=$(echo "$json" | jq -r '.data.data.dsm_setting.data.http_port'); rc=$?; } || :

  (( rc != 0 )) && error "Failed to parse response from guest: jq error $rc ( $json )" && continue

  [[ "$port" == "null" ]] && error "Guest returned invalid response: $json" && continue

  [ -z "${port}" ] && continue



  [ -z "${PORT}" ] && continue

  { ip=$(echo "$json" | jq -r '.data.data.ip.data[] | select((.name=="eth0") and has("ip")).ip'); rc=$?; } || :

  (( rc != 0 )) && error "Failed to parse response from guest: jq error $rc ( $json )" && continue

  [[ "$ip" == "null" ]] && error "Guest returned invalid response: $json" && continue

  [ -z "${ip}" ] && continue



  # Retrieve the IP address

  if [[ ! "${RESPONSE}" =~ "eth0" ]] ; then

    error "Failed to parse response from guest: $RESPONSE" && continue

  fi

  echo "${ip}:${port}" > $file



  rest=${RESPONSE#*eth0}

  rest=${rest#*ip}

  rest=${rest#*:}

  rest=${rest#*\"}

  IP=${rest%%\"*}

done



  [ -z "${IP}" ] && continue

location=$(cat "$file")



  echo "${IP}:${PORT}" > $file

if [[ "$location" != "20.20"* ]]; then



done

  msg="http://${location}"



LOCATION=$(cat "$file")

else



  ip=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)

  port="${location##*:}"



if [[ "$LOCATION" == "20.20"* ]]; then

  MSG="port ${LOCATION##*:}"

  if [[ "$ip" == "172."* ]]; then

    msg="port ${port}"

  else

  MSG="http://${LOCATION}"

    msg="http://${ip}:${port}"

  fi



fi



echo "" >&2

info "--------------------------------------------------------"

info " You can now login to DSM at ${MSG}"

info " You can now login to DSM at ${msg}"

info "--------------------------------------------------------"

echo "" >&2

src/reset.sh

+3 −2
Original line number Diff line number Diff line 
#!/usr/bin/env bash

set -Eeuo pipefail



info () { echo -e "\E[1;34m❯ \E[1;36m$1\E[0m" ; }

error () { echo -e >&2 "\E[1;31m❯ ERROR: $1\E[0m" ; }

info () { printf "%b%s%b" "\E[1;34m❯ \E[1;36m" "$1" "\E[0m\n"; }

error () { printf "%b%s%b" "\E[1;31m❯ " "ERROR: $1" "\E[0m\n" >&2; }



trap 'error "Status $? while: ${BASH_COMMAND} (line $LINENO/$BASH_LINENO)"' ERR



[ ! -f "/run/entry.sh" ] && error "Script must run inside Docker container!" && exit 11