Command to export all grafana 3 dashboard to JSON using curl & jq

grafana-dashboard-exporter

KEY=XXXXXXXXXXXX
HOST="https://metrics.crisidev.org"

mkdir -p dashboards && for dash in $(curl -k -H "Authorization: Bearer $KEY" $HOST/api/search | jq -r '.[].uri|ltrimstr("db/")'); do 
  curl -k -H "Authorization: Bearer $KEY" $HOST/api/dashboards/db/$dash  | jq '.dashboard' > dashboards/$dash.json 
done

using this one which export the server name, tree structure from Grafana where the dasboard is saved + version and uid:

#!/bin/bash
#
# add the "-x" option to the shebang line if you want a more verbose output
#
# set some colors for status OK, FAIL and titles
SETCOLOR_SUCCESS="echo -en \\033[0;32m"
SETCOLOR_FAILURE="echo -en \\033[1;31m"
SETCOLOR_NORMAL="echo -en \\033[0;39m"
SETCOLOR_TITLE_PURPLE="echo -en \\033[0;35m" # purple

# usage log "string to log" "color option"
function log_success() {
   if [ $# -lt 1 ]; then
       ${SETCOLOR_FAILURE}
       echo "Not enough arguments for log function! Expecting 1 argument got $#"
       exit 1
   fi

   timestamp=$(date "+%Y-%m-%d %H:%M:%S %Z")

   ${SETCOLOR_SUCCESS}
   printf "[${timestamp}] $1\n"
   ${SETCOLOR_NORMAL}
}

function log_failure() {
   if [ $# -lt 1 ]; then
       ${SETCOLOR_FAILURE}
       echo "Not enough arguments for log function! Expecting 1 argument got $#"
       exit 1
   fi

   timestamp=$(date "+%Y-%m-%d %H:%M:%S %Z")

   ${SETCOLOR_FAILURE}
   printf "[${timestamp}] $1\n"
   ${SETCOLOR_NORMAL}
}

function log_title() {
   if [ $# -lt 1 ]; then
       ${SETCOLOR_FAILURE}
       log_failure "Not enough arguments for log function! Expecting 1 argument got $#"
       exit 1
   fi

   ${SETCOLOR_TITLE_PURPLE}
   printf "|-------------------------------------------------------------------------|\n"
   printf "|$1|\n";
   printf "|-------------------------------------------------------------------------|\n"
   ${SETCOLOR_NORMAL}
}

function init() {
   # Check if hostname and key are provided
   if [ $1 -lt 2 ]; then
       ${SETCOLOR_FAILURE}
       log_failure "Not enough command line arguments! Expecting two: \$HOSTNAME and \$KEY. Recieved only $1."
       exit 1
   fi

   DASH_DIR=$(echo $HOST | awk -F[/:] '{print $4}')

   if [ ! -d "${DASH_DIR}" ]; then
         mkdir "${DASH_DIR}"
   else
        log_title "----------------- A $DASH_DIR directory already exists! -----------------"
   fi
}


HOST=$1
KEY=$2
init $# $HOST $KEY

counter=0

for dashboard_uid in $(curl -sS -H "Authorization: Bearer $KEY" $HOST/api/search\?query\=\& | jq -r '.[] | select( .type | contains("dash-db")) | .uid'); do

   counter=$((counter + 1))
   dashboard_json="$(curl -sS -H "Authorization: Bearer $KEY" $HOST/api/dashboards/uid/$dashboard_uid)"
   dashboard_title="$(echo $dashboard_json | jq -r '.dashboard | .title' | sed -r 's/[ \/]+/_/g' )"
   dashboard_version="$(echo $dashboard_json | jq -r '.dashboard | .version')"
   folder_title="$(echo $dashboard_json | jq -r '.meta | .folderTitle')"

   mkdir -p "$DASH_DIR/$folder_title"
   echo $dashboard_json > "$DASH_DIR/$folder_title/${dashboard_title}_v${dashboard_version}.json"

   log_success "Dashboard has been saved\t\t title=\"${dashboard_title}\", uid=\"${dashboard_uid}\", path=\"${DASH_DIR}/$folder_title/${dashboard_title}_v${dashboard_version}.json\"."
done

log_title "${counter} dashboards were saved";

log_title "------------------------------ FINISHED ---------------------------------";