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41 lines
1.1 KiB
Bash
Executable File
41 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# Script to parse a text exposition format file into a unique list of metrics
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# output by the exporter and then build lists of added/removed metrics.
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old_src="$1"
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if [ ! -d "$old_src" ] ; then
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mkdir -p "$old_src"
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fi
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function generate_add_removed() {
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type="$1"
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pg_version="$2"
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old_version="$3"
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new_version="$4"
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if [ ! -e "$old_version" ] ; then
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touch "$old_version"
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fi
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comm -23 "$old_version" "$new_version" > ".metrics.${type}.${pg_version}.removed"
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comm -13 "$old_version" "$new_version" > ".metrics.${type}.${pg_version}.added"
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}
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for raw_prom in $(echo .*.prom) ; do
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# Get the type and version
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type=$(echo "$raw_prom" | cut -d'.' -f3)
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pg_version=$(echo "$raw_prom" | cut -d'.' -f4- | sed 's/\.prom$//g')
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unique_file="${raw_prom}.unique"
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old_unique_file="$old_src/$unique_file"
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# Strip, sort and deduplicate the label names
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grep -v '#' "$raw_prom" | \
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rev | cut -d' ' -f2- | \
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rev | cut -d'{' -f1 | \
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sort | \
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uniq > "$unique_file"
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generate_add_removed "$type" "$pg_version" "$old_unique_file" "$unique_file"
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done
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