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Export Elastic search as JSON through Kibana console proxy
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| #!/bin/bash | |
| kb_host="https://XXXXXXXX" | |
| kb_url="$kb_host/api/console/proxy" | |
| index=$1 | |
| passw_file=$2 | |
| query_file=$3 | |
| output_file=$4 | |
| if [ -z "$index" -o -z "$passw_file" -o -z "$query_file" -o -z "$output_file" ]; then | |
| echo "usage: elastic-scroll [index] [netrc_file] [query_file] [output_file]" 1>&2 | |
| exit 1 | |
| fi | |
| function urlencode() | |
| { | |
| echo "$1" | jq -sRr @uri | |
| } | |
| function call_elastic() | |
| { | |
| local path=$(urlencode $2) | |
| local response=$(curl -s "$kb_url?path=$path&method=$1" -d "$3" --netrc-file "$passw_file" -H 'kbn-xsrf: reporting' -H 'Content-Type: application/json') | |
| local error=$(echo "$response" | jq -r '.error | length') | |
| if [ "$error" != "0" ]; then | |
| echo "$response" | jq '.' 1>&2 | |
| exit 1 | |
| fi | |
| echo "$response" | |
| } | |
| function extract_scroll_id() | |
| { | |
| local scroll_id=$(echo "$1" | jq -r '._scroll_id') | |
| [ "$scroll_id" = "null" ] && echo "" || echo "$scroll_id" | |
| } | |
| function extract_hits_count() | |
| { | |
| local hits_count=$(echo "$1" | jq -r '.hits.hits | length') | |
| [ -z "$hits_count" ] && echo "0" || echo "$hits_count" | |
| } | |
| function extract_total_hits_count() | |
| { | |
| local hits_count=$(echo "$1" | jq -r '.hits.total.value') | |
| [ -z "$hits_count" ] && echo "0" || echo "$hits_count" | |
| } | |
| function progression() | |
| { | |
| LC_ALL=C printf "%3.0f%% | %*s/%s" "$(bc <<< "scale=2;$1/$2*100")" "$(echo -n "$2" | wc -c)" "$1" "$2" | |
| } | |
| function extract_and_format_output() | |
| { | |
| echo -n "$1" | jq '.hits.hits[]._source' | sed ':a;N;$!ba;s/}\n{/},\n{/g' | |
| } | |
| response=$(call_elastic 'POST' "$index/_search?scroll=30s" "@$query_file" ) | |
| scroll_id=$(extract_scroll_id "$response") | |
| hits_count=$(extract_hits_count "$response") | |
| hits_so_far="$hits_count" | |
| hits_total=$(extract_total_hits_count "$response") | |
| echo "Got initial response with $hits_count hits of a total of $hits_total hits" | |
| echo '[' > "$output_file" | |
| if [ "$hits_count" != "0" ]; then | |
| echo $(extract_and_format_output "$response") >> "$output_file" | |
| fi | |
| while [ "$hits_count" != "0" -a ! -z "$scroll_id" ]; do | |
| response=$(call_elastic 'POST' '_search/scroll' '{"scroll": "30s", "scroll_id": "'$scroll_id'"}') | |
| scroll_id=$(extract_scroll_id "$response") | |
| hits_count=$(extract_hits_count "$response") | |
| hits_so_far=$((hits_so_far + hits_count)) | |
| echo -e "\e[1A\e[0K\rKibana scroll progression: " "$(progression $hits_so_far $hits_total)" | |
| if [ "$hits_count" = "0" ]; then | |
| break | |
| fi | |
| echo ',' >> "$output_file" | |
| echo $(extract_and_format_output "$response") >> "$output_file" | |
| done | |
| echo >> "$output_file" | |
| echo ']' >> "$output_file" | |
| echo Done! |
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| machine XXXXXXXX | |
| login XXXXXX | |
| password XXXXX |
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| { | |
| "size": 500, | |
| "_source": ["field1", "field2", ...], | |
| "query": { .... } | |
| } |
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