infogulch/docker-artifact
1
0
Fork 0
Code Issues 8 Pull Requests Projects Releases Wiki Activity

Clean up local var decls; list_json takes split image & token args

Browse Source
This commit is contained in:
Joe 2021-05-06 19:08:40 -05:00
parent 9f953b7ab3
commit 804696ccb9
1 changed files with 16 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
docker-artifact.sh
View File

@ -53,28 +53,29 @@ function main {
} }
function list { function list {
local list="$(list_json "$@" | jq -r 'keys | .[]' | sed 's_^_ _')" local registry repo tag token list
{ read -r registry; read -r repo; read -r tag; } <<< "$(image_parts "$1")"
token="$(get_token "$registry" "$repo")"
list="$(list_json "$registry" "$repo" "$tag" "$token")"
echo " ** The following files are available to download from $1: " echo " ** The following files are available to download from $1: "
echo "$list" echo "$(jq -r 'keys | .[]' <<< "$list" | sed 's_^_ _')"
} }
function list_json { function list_json {
{ read -r registry; read -r repo; read -r tag; } <<< "$(image_parts "$1")" local registry="$1" repo="$2" tag="$3" token="$4" manifest labels
local token="$(get_token "$registry" "$repo")"
LOG "Querying manifest to extract labels for '$registry/$repo:$tag" LOG "Querying manifest to extract labels for '$registry/$repo:$tag"
local manifest="$(curl --silent \ manifest="$(curl --silent \
-H "Accept:application/vnd.docker.container.image.v1+json" \ -H "Accept:application/vnd.docker.container.image.v1+json" \
-H "Authorization: Bearer $token" \ -H "Authorization: Bearer $token" \
"https://$registry/v2/$repo/manifests/$tag")" "https://$registry/v2/$repo/manifests/$tag")"
# >&2 jq <<< "$manifest" # >&2 jq <<< "$manifest"
local labels="$(jq -r '.history[].v1Compatibility' <<< "$manifest" | jq --slurp '[.[].config | select(.Labels != null) | .Labels] | add')" labels="$(jq -r '.history[].v1Compatibility' <<< "$manifest" | jq --slurp '[.[].config | select(.Labels != null) | .Labels] | add')"
jq <<< "$labels" jq <<< "$labels"
} }
function image_parts { function image_parts {
local image="$1" local image="$1" regex='^([-_a-z\.]+)/([-_a-z]+)(:([-_a-z]+))?$'
local regex='^([-_a-z\.]+)/([-_a-z]+)(:([-_a-z]+))?$' if [[ "$image" =~ $regex ]] ; then
if [[ $image =~ $regex ]] ; then
local registry="${BASH_REMATCH[1]}" local registry="${BASH_REMATCH[1]}"
local repo="${BASH_REMATCH[2]}" local repo="${BASH_REMATCH[2]}"
local tag="${BASH_REMATCH[4]:-latest}" local tag="${BASH_REMATCH[4]:-latest}"
@ -94,8 +95,7 @@ function image_parts {
} }
function get_token { function get_token {
local registry="$1" local registry="$1" image="$2"
local image="$2"
if [[ ! -z "$REGISTRY_TOKEN" ]] ; then if [[ ! -z "$REGISTRY_TOKEN" ]] ; then
echo "$REGISTRY_TOKEN" echo "$REGISTRY_TOKEN"
return return
@ -112,13 +112,12 @@ function get_token {
*.dkr.ecr.*.amazonaws.com) *.dkr.ecr.*.amazonaws.com)
aws ecr get-authorization-token | jq -r '.authorizationData[0].authorizationToken' aws ecr get-authorization-token | jq -r '.authorizationData[0].authorizationToken'
;; ;;
esac esac
} }
function label { function label {
local image="$1" local image="$1" searchpath="$2" tarfile="$(mktemp).tar"
local searchpath="$2"
local tarfile="$(mktemp).tar"
# check to see if image exists locally. If not, Docker already prints an error so just exit # check to see if image exists locally. If not, Docker already prints an error so just exit
if ! docker image inspect "$image" > /dev/null ; then if ! docker image inspect "$image" > /dev/null ; then
@ -170,14 +169,11 @@ function label {
} }
function _search_layer { function _search_layer {
local idmap="$1" local idmap="$1" imagetar="$2" layertar="$3" search="$4"
local imagetar="$2"
local layertar="$3"
local search="$4"
# look up digest associated with layer path # look up digest associated with layer path
local digest="$(jq --arg key "$layertar" -r '.[$key]' <<< "$idmap")" local digest="$(jq --arg key "$layertar" -r '.[$key]' <<< "$idmap")"
# extract layer from image | list files in layer | add / prefix | search for file | append =$digest to each found file # extract layer from image | list files in layer | add / prefix | search for file | append =$digest to each found file
tar -f "$imagetar" -x "$layertar" -O | tar -t | sed s_^_/_ | grep -wx "$search" | sed 's_.$_\0='"$digest"'_' tar -f "$imagetar" -x "$layertar" -O | tar -t | sed s_^_/_ | grep -wxF "$search" | sed 's_.$_\0='"$digest"'_'
} }
function delete_files { function delete_files {
@ -189,7 +185,7 @@ function LOG {
[ $verbose ] && >&2 echo -e "$(tput setaf 4) => $@$(tput sgr0)" [ $verbose ] && >&2 echo -e "$(tput setaf 4) => $@$(tput sgr0)"
} }
# run in subshell to allow sourcing this file while not stomping on parents' namespace # run in subshell to allow sourcing this file without stomping on parents' namespace
( (
# Exports used in subshells # Exports used in subshells
export verbose=1 export verbose=1