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9fde1ac351
The first attempt occasionally fails, probably due to a race with the listener's startup. Additionally, perform minor adjustments to the output written to stderr to ensure it is properly flushed in the CI environment.
65 lines
1.6 KiB
Bash
Executable File
65 lines
1.6 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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source "$(dirname ${BASH_SOURCE[0]})/lib/testing.sh"
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cid_es="$(container_id elasticsearch)"
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cid_mb="$(container_id metricbeat)"
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ip_es="$(service_ip elasticsearch)"
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ip_mb="$(service_ip metricbeat)"
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log 'Waiting for readiness of Elasticsearch'
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poll_ready "$cid_es" "http://${ip_es}:9200/" -u 'elastic:testpasswd'
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log 'Waiting for readiness of Metricbeat'
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poll_ready "$cid_mb" "http://${ip_mb}:5066/?pretty"
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# We expect to find monitoring entries for the 'elasticsearch' Compose service
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# using the following query:
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#
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# agent.type:"metricbeat"
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# AND event.module:"docker"
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# AND event.dataset:"docker.container"
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# AND container.name:"docker-elk-elasticsearch-1"
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#
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log 'Searching a document generated by Metricbeat'
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declare response
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declare -i count
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declare -i was_retried=0
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# retry for max 60s (30*2s)
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for _ in $(seq 1 30); do
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response="$(curl "http://${ip_es}:9200/metricbeat-*/_search?q=agent.type:%22metricbeat%22%20AND%20event.module:%22docker%22%20AND%20event.dataset:%22docker.container%22%20AND%20container.name:%22docker-elk-elasticsearch-1%22&pretty" -s -u elastic:testpasswd)"
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set +u # prevent "unbound variable" if assigned value is not an integer
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count="$(jq -rn --argjson data "${response}" '$data.hits.total.value')"
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set -u
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if (( count > 0 )); then
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break
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fi
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was_retried=1
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echo -n 'x' >&2
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sleep 2
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done
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if ((was_retried)); then
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# flush stderr, important in non-interactive environments (CI)
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echo >&2
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fi
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echo "$response"
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# Metricbeat buffers metrics until Elasticsearch becomes ready, so we tolerate
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# multiple results
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if (( count == 0 )); then
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echo 'Expected at least 1 document'
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exit 1
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fi
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