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# frozen_string_literal: true
module Gitlab
module Elasticsearch
module Logs
class Pods
# How many items to fetch in a query
PODS_LIMIT = 500
CONTAINERS_LIMIT = 500
def initialize(client)
@client = client
end
def pods(namespace)
body = build_body(namespace)
response = @client.search body: body
format_response(response)
end
private
def build_body(namespace)
{
aggs: {
pods: {
aggs: {
containers: {
terms: {
field: 'kubernetes.container.name',
size: ::Gitlab::Elasticsearch::Logs::Pods::CONTAINERS_LIMIT
}
}
},
terms: {
field: 'kubernetes.pod.name',
size: ::Gitlab::Elasticsearch::Logs::Pods::PODS_LIMIT
}
}
},
query: {
bool: {
must: {
match_phrase: {
"kubernetes.namespace": namespace
}
}
}
},
# don't populate hits, only the aggregation is needed
size: 0
}
end
def format_response(response)
results = response.dig("aggregations", "pods", "buckets") || []
results.map do |bucket|
{
name: bucket["key"],
container_names: (bucket.dig("containers", "buckets") || []).map do |cbucket|
cbucket["key"]
end
}
end
end
end
end
end
end
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