72 lines
2.2 KiB
Bash
Executable file
72 lines
2.2 KiB
Bash
Executable file
#!/usr/bin/env sh
|
|
|
|
DEFAULT_DOMAIN=docker.io
|
|
LEGACY_DEFAULT_DOMAIN=index.docker.io
|
|
DOCKER_LOGIN_FILE_TMPL='{"auths": { "{{REGISTRY_URL}}": { "auth": "{{BASE64_UNAME_PW}}" }}}'
|
|
|
|
fail() {
|
|
echo "Error:" "$@" 1>&2
|
|
exit 1
|
|
}
|
|
|
|
docker_login() {
|
|
login_name="$1"
|
|
if [ -z "$login_name" ]; then
|
|
login_name="$DEFAULT_DOMAIN"
|
|
fi
|
|
if [ "$login_name" = "$DEFAULT_DOMAIN" ]; then
|
|
login_name="$LEGACY_DEFAULT_DOMAIN/v1/"
|
|
fi
|
|
login_name="https://$login_name"
|
|
# TODO: detect registry url
|
|
mkdir -p "$HOME/.docker"
|
|
echo "$DOCKER_LOGIN_FILE_TMPL" | \
|
|
sed -e "s|{{BASE64_UNAME_PW}}|$(printf '%s:%s' "$USERNAME" "$PASSWORD" | base64)|g" \
|
|
-e "s|{{REGISTRY_URL}}|$login_name|g" \
|
|
> "$HOME/.docker/config.json"
|
|
}
|
|
|
|
split_repo_domain() {
|
|
domain_part="$(echo "$1" | sed -n 's|^\([^/]*\)/.*$|\1|p')"
|
|
other_part="$(echo "$1" | sed -n "s|^$domain_part/\?\(.*\)$|\1|p")"
|
|
|
|
if [ -z "$domain_part" ]; then
|
|
domain_part="$DEFAULT_DOMAIN"
|
|
# other_part="$other_part"
|
|
elif echo "$domain_part" | grep -Evq '\.|:' && [ "$domain_part" != 'localhost' ]; then
|
|
# ^ docker sourcecode checks if $domain_part == $domain_part.lower() in effect checking if all is lower case
|
|
domain_part="$DEFAULT_DOMAIN"
|
|
other_part="$1" # we deviate here from the reference docker implementation
|
|
fi
|
|
if [ "$domain_part" = "$LEGACY_DEFAULT_DOMAIN" ]; then
|
|
domain_part="$DEFAULT_DOMAIN"
|
|
fi
|
|
if [ "$domain_part" = "$DEFAULT_DOMAIN" ] && echo "$other_part" | grep -vq /; then
|
|
other_part="library/$other_part"
|
|
fi
|
|
echo "$domain_part"
|
|
echo "$other_part"
|
|
}
|
|
|
|
INPUT_FILE="$(mktemp -t)"
|
|
cat > "$INPUT_FILE" <&0
|
|
export INPUT_FILE
|
|
|
|
REPOSITORY="$(jq -r .source.repository < "$INPUT_FILE")"
|
|
TAG="$(jq -r '.source.tag // "latest"' < "$INPUT_FILE")"
|
|
USERNAME="$(jq -r .source.username < "$INPUT_FILE")"
|
|
PASSWORD="$(jq -r .source.password < "$INPUT_FILE")"
|
|
|
|
export REPOSITORY
|
|
export TAG
|
|
|
|
if [ -n "$USERNAME" ]; then
|
|
if [ -z "$PASSWORD" ]; then
|
|
fail "need to also give password when logging in"
|
|
fi
|
|
docker_login "$(split_repo_domain "$REPOSITORY" | head -n1)"
|
|
fi
|
|
|
|
if [ -z "$REPOSITORY" ]; then
|
|
fail "no repository specified"
|
|
fi
|