102 lines
2.3 KiB
Bash
Executable File
102 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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set -o pipefail
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function log {
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echo -e "\n[+] $1\n"
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}
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function poll_ready {
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local svc=$1
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local url=$2
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local -a args=( '-s' '-D-' '-w' '%{http_code}' "$url" )
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if [ "$#" -ge 3 ]; then
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args+=( '-u' "$3" )
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fi
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local label
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if [ "$MODE" == "swarm" ]; then
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label="com.docker.swarm.service.name=elk_${svc}"
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else
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label="com.docker.compose.service=${svc}"
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fi
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local -i result=1
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local cid
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local output
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# retry for max 90s (18*5s)
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for _ in $(seq 1 18); do
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cid="$(docker ps -q -f label="$label")"
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if [ -z "${cid:-}" ]; then
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echo "Container exited"
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return 1
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fi
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set +e
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output="$(curl "${args[@]}")"
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set -e
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if [ "${output: -3}" -eq 200 ]; then
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result=0
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break
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fi
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echo -n '.'
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sleep 5
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done
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echo -e "\n${output::-3}"
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return $result
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}
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declare MODE=""
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if [ "$#" -ge 1 ]; then
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MODE=$1
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fi
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log 'Waiting for Elasticsearch readiness'
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poll_ready elasticsearch 'http://localhost:9200/' 'elastic:testpasswd'
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log 'Waiting for Kibana readiness'
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poll_ready kibana 'http://localhost:5601/api/status' 'kibana:testpasswd'
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log 'Waiting for Logstash readiness'
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poll_ready logstash 'http://localhost:9600/_node/pipelines/main?pretty'
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log 'Creating Logstash index pattern in Kibana'
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source .env
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curl -X POST -D- 'http://localhost:5601/api/saved_objects/index-pattern' \
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-s -w '\n' \
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-H 'Content-Type: application/json' \
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-H "kbn-version: ${ELK_VERSION}" \
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-u elastic:testpasswd \
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-d '{"attributes":{"title":"logstash-*","timeFieldName":"@timestamp"}}'
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log 'Searching index pattern via Kibana API'
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response="$(curl 'http://localhost:5601/api/saved_objects/_find?type=index-pattern' -s -u elastic:testpasswd)"
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echo "$response"
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count="$(jq -rn --argjson data "${response}" '$data.total')"
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if [[ $count -ne 1 ]]; then
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echo "Expected 1 index pattern, got ${count}"
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exit 1
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fi
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log 'Sending message to Logstash TCP input'
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echo 'dockerelk' | nc -q0 localhost 5000
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sleep 1
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curl -X POST 'http://localhost:9200/_refresh' -u elastic:testpasswd \
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-s -w '\n'
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log 'Searching message in Elasticsearch'
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response="$(curl 'http://localhost:9200/_count?q=message:dockerelk&pretty' -s -u elastic:testpasswd)"
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echo "$response"
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count="$(jq -rn --argjson data "${response}" '$data.count')"
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if [[ $count -ne 1 ]]; then
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echo "Expected 1 document, got ${count}"
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exit 1
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fi
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