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f9c90a0e43
**What this PR does / why we need it**: I always forget this trick for diffing configs when preparing a new release so I added it to a script.
38 lines
942 B
Bash
Executable File
38 lines
942 B
Bash
Executable File
#!/usr/bin/env bash
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current_dir="$(cd "$(dirname "${0}")" && pwd)"
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loki_dir="$(cd "${current_dir}/../cmd/loki" && pwd)"
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export OLD_LOKI=${OLD_VERSION:-2.7.5}
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export NEW_LOKI=${NEW_VERSION:-$("${current_dir}/image-tag")}
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export CONFIG_FILE="loki-local-config.yaml"
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function get_config() {
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local version=${1}
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docker run --rm -t -v "${loki_dir}:/config" "grafana/loki:${version}" \
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-config.file="/config/${CONFIG_FILE}" \
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-print-config-stderr 2>&1
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}
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function parse_config() {
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sed '/Starting Loki/q' | tr -d '\r'
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}
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tmp_dir="$(mktemp -d)"
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old_config="${tmp_dir}/config-${OLD_LOKI}.yml"
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new_config="${tmp_dir}/config-${NEW_LOKI}.yml"
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echo "Saving configs to ${tmp_dir}"
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echo "Old config: ${old_config}"
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echo "New config: ${new_config}"
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get_config "${OLD_LOKI}" | parse_config > "${old_config}"
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get_config "${NEW_LOKI}" | parse_config > "${new_config}"
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diff --color=always \
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--side-by-side \
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"${old_config}" \
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"${new_config}"
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