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Add new script to also verify "Constraints:" values are correct
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| #!/usr/bin/env bash | ||
| set -Eeuo pipefail | ||
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| : "${BASHBREW_CACHE:=$HOME/.cache/bashbrew}" | ||
| export BASHBREW_CACHE BASHBREW_ARCH= | ||
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| if [ ! -d "$BASHBREW_CACHE/git" ]; then | ||
| # initialize the "bashbrew cache" | ||
| bashbrew --arch amd64 from --uniq --apply-constraints hello-world:linux > /dev/null | ||
| fi | ||
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| if [ "$#" -eq 0 ]; then | ||
| set -- '--all' | ||
| fi | ||
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| _windows_constraint() { | ||
| local from="$1"; shift | ||
| local repo="${from%:*}" | ||
| local tag="${from#$repo:}" | ||
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| local constraint | ||
| case "$repo" in | ||
| mcr.microsoft.com/windows/nanoserver | microsoft/nanoserver) constraint='nanoserver' ;; | ||
| mcr.microsoft.com/windows/servercore | microsoft/windowsservercore) constraint='windowsservercore' ;; | ||
| *) echo >&2 "error: unknown Windows image: $from"; exit 1 ;; | ||
| esac | ||
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| if [ "$tag" != 'latest' ]; then | ||
| constraint+="-$tag" | ||
| fi | ||
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| echo "$constraint" | ||
| } | ||
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| _expected_constraints() { | ||
| local from="$1"; shift | ||
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| local fromConstraints | ||
| if fromConstraints="$(bashbrew cat --format '{{ .TagEntry.Constraints | join "\n" }}' "$from" 2>/dev/null)" && [ -n "$fromConstraints" ]; then | ||
| echo "$fromConstraints" | ||
| return | ||
| fi | ||
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| case "$from" in | ||
| *microsoft*) _windows_constraint "$from" ;; | ||
| esac | ||
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| return | ||
| } | ||
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| _arches() { | ||
| bashbrew cat --format ' | ||
| {{- range .TagEntries -}} | ||
| {{- .Architectures | join "\n" -}} | ||
| {{- "\n" -}} | ||
| {{- end -}} | ||
| ' "$@" | sort -u | ||
| } | ||
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| _froms() { | ||
| bashbrew cat --format ' | ||
| {{- range .TagEntries -}} | ||
| {{- $.DockerFroms . | join "\n" -}} | ||
| {{- "\n" -}} | ||
| {{- end -}} | ||
| ' "$@" | sort -u | ||
| } | ||
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| declare -A naughtyFromsArches=( | ||
| #[img:tag=from:tag]='arch arch ...' | ||
| ) | ||
| naughtyFroms=() | ||
| declare -A allNaughty=( | ||
| #[img:tag]=1 | ||
| ) | ||
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| tags="$(bashbrew list --uniq "$@" | sort -u)" | ||
| naughtyCount=0 | ||
| for img in $tags; do | ||
| arches="$(_arches "$img")" | ||
| constraints="$(bashbrew cat --format '{{ .TagEntry.Constraints | join "\n" }}' "$img" | sort -u)" | ||
| declare -A imgMissing=() | ||
| declare -A imgExtra=() | ||
| for BASHBREW_ARCH in $arches; do | ||
| export BASHBREW_ARCH | ||
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| if ! froms="$(_froms "$img" 2>/dev/null)"; then | ||
| # if we can't fetch the tags from their real locations, let's try the warehouse | ||
| refsList="$( | ||
| bashbrew list --uniq "$img" \ | ||
| | sed \ | ||
| -e 's!:!/!' \ | ||
| -e "s!^!refs/tags/$BASHBREW_ARCH/!" \ | ||
| -e 's!$!:!' | ||
| )" | ||
| [ -n "$refsList" ] | ||
| git -C "$BASHBREW_CACHE/git" \ | ||
| fetch --no-tags --quiet \ | ||
| https://github.com/docker-library/commit-warehouse.git \ | ||
| $refsList | ||
| froms="$(_froms "$img")" | ||
| fi | ||
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| [ -n "$froms" ] # rough sanity check | ||
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| for from in $froms; do | ||
| expected="$(_expected_constraints "$from" | sort -u)" | ||
| missing="$(comm -13 <(echo "$constraints") <(echo "$expected"))" | ||
| if [ -n "$missing" ]; then | ||
| imgMissing[$from]+=$'\n'"$missing" | ||
| fi | ||
| extra="$(comm -23 <(echo "$constraints") <(echo "$expected"))" | ||
| if [ "$from" = 'scratch' ]; then | ||
| # if a given image is "FROM scratch", then consider "!aufs" an acceptable constraint that doesn't show | ||
| extra="$(grep -vE '^!aufs$' <<<"$extra" || :)" | ||
| fi | ||
| if [ -n "$extra" ]; then | ||
| imgExtra[$from]+=$'\n'"$extra" | ||
| fi | ||
| done | ||
| done | ||
| if [ "${#imgMissing[@]}" -gt 0 ]; then | ||
| for from in $(IFS=$'\n'; sort -u <<<"${!imgMissing[*]}"); do | ||
| missing="${imgMissing[$from]}" | ||
| missing="$(sed '/^$/d' <<<"$missing" | sort -u)" | ||
| echo " - $img -- missing constraints (FROM $from):" | ||
| sed 's/^/ - /' <<<"$missing" | ||
| (( naughtyCount++ )) || : | ||
| done | ||
| fi | ||
| if [ "${#imgExtra[@]}" -gt 0 ]; then | ||
| for from in $(IFS=$'\n'; sort -u <<<"${!imgExtra[*]}"); do | ||
| extra="${imgExtra[$from]}" | ||
| extra="$(sed '/^$/d' <<<"$extra" | sort -u)" | ||
| echo " - $img -- extra constraints (FROM $from):" | ||
| sed 's/^/ - /' <<<"$extra" | ||
| (( naughtyCount++ )) || : | ||
| done | ||
| fi | ||
| done | ||
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| exit "$naughtyCount" |