From 218cb586ff397a06ddadde87dba15546d3a6e82f Mon Sep 17 00:00:00 2001 From: decentral1se Date: Wed, 7 Apr 2021 20:44:11 +0200 Subject: [PATCH] Bootstrap a first stab at this thing --- .drone.yml | 11 +++++ README.md | 13 ++++++ abra-gandi | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++++ makefile | 17 +++++++ 4 files changed, 171 insertions(+) create mode 100644 .drone.yml create mode 100644 README.md create mode 100755 abra-gandi create mode 100644 makefile diff --git a/.drone.yml b/.drone.yml new file mode 100644 index 0000000..c53d73c --- /dev/null +++ b/.drone.yml @@ -0,0 +1,11 @@ +--- +kind: pipeline +name: linters +steps: + - name: run shellcheck + image: koalaman/shellcheck-alpine:v0.7.1 + commands: + - shellcheck abra-gandi +trigger: + branch: + - main diff --git a/README.md b/README.md new file mode 100644 index 0000000..8a55ffd --- /dev/null +++ b/README.md @@ -0,0 +1,13 @@ +# abra-gandi + +[![Build Status](https://drone.autonomic.zone/api/badges/coop-cloud/abra-gandi/status.svg?ref=refs/heads/main)](https://drone.autonomic.zone/coop-cloud/abra-hetzner) + +Gandi plugin for `abra`. See [abra](https://git.autonomic.zone/coop-cloud/abra) for more. + +The script can be run on its own like so. + +```bash +$ ./abra-gandi autonomic.zone swarm 116.203.211.204 +``` + +It assumes a `$ABRA_DIR/vendor/jq` binary installation of [jq](https://stedolan.github.io/jq/tutorial/). diff --git a/abra-gandi b/abra-gandi new file mode 100755 index 0000000..38d20be --- /dev/null +++ b/abra-gandi @@ -0,0 +1,130 @@ +#!/usr/bin/env bash + +DOC=" +Gandi DNS provider plugin for abra + +Usage: + abra-gandi + +Reads your Gandi API token from the \$GANDI_API_TOKEN environment variable +or prompts for it. +" + +# docopt parser below, refresh this parser with `docopt.sh abra-gandi` +# shellcheck disable=2016,1075 +docopt() { parse() { if ${DOCOPT_DOC_CHECK:-true}; then local doc_hash +if doc_hash=$(printf "%s" "$DOC" | (sha256sum 2>/dev/null || shasum -a 256)); then +if [[ ${doc_hash:0:5} != "$digest" ]]; then +stderr "The current usage doc (${doc_hash:0:5}) does not match \ +what the parser was generated with (${digest}) +Run \`docopt.sh\` to refresh the parser."; _return 70; fi; fi; fi +local root_idx=$1; shift; argv=("$@"); parsed_params=(); parsed_values=() +left=(); testdepth=0; local arg; while [[ ${#argv[@]} -gt 0 ]]; do +if [[ ${argv[0]} = "--" ]]; then for arg in "${argv[@]}"; do +parsed_params+=('a'); parsed_values+=("$arg"); done; break +elif [[ ${argv[0]} = --* ]]; then parse_long +elif [[ ${argv[0]} = -* && ${argv[0]} != "-" ]]; then parse_shorts +elif ${DOCOPT_OPTIONS_FIRST:-false}; then for arg in "${argv[@]}"; do +parsed_params+=('a'); parsed_values+=("$arg"); done; break; else +parsed_params+=('a'); parsed_values+=("${argv[0]}"); argv=("${argv[@]:1}"); fi +done; local idx; if ${DOCOPT_ADD_HELP:-true}; then +for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue +if [[ ${shorts[$idx]} = "-h" || ${longs[$idx]} = "--help" ]]; then +stdout "$trimmed_doc"; _return 0; fi; done; fi +if [[ ${DOCOPT_PROGRAM_VERSION:-false} != 'false' ]]; then +for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue +if [[ ${longs[$idx]} = "--version" ]]; then stdout "$DOCOPT_PROGRAM_VERSION" +_return 0; fi; done; fi; local i=0; while [[ $i -lt ${#parsed_params[@]} ]]; do +left+=("$i"); ((i++)) || true; done +if ! required "$root_idx" || [ ${#left[@]} -gt 0 ]; then error; fi; return 0; } +parse_shorts() { local token=${argv[0]}; local value; argv=("${argv[@]:1}") +[[ $token = -* && $token != --* ]] || _return 88; local remaining=${token#-} +while [[ -n $remaining ]]; do local short="-${remaining:0:1}" +remaining="${remaining:1}"; local i=0; local similar=(); local match=false +for o in "${shorts[@]}"; do if [[ $o = "$short" ]]; then similar+=("$short") +[[ $match = false ]] && match=$i; fi; ((i++)) || true; done +if [[ ${#similar[@]} -gt 1 ]]; then +error "${short} is specified ambiguously ${#similar[@]} times" +elif [[ ${#similar[@]} -lt 1 ]]; then match=${#shorts[@]}; value=true +shorts+=("$short"); longs+=(''); argcounts+=(0); else value=false +if [[ ${argcounts[$match]} -ne 0 ]]; then if [[ $remaining = '' ]]; then +if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then +error "${short} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}") +else value=$remaining; remaining=''; fi; fi; if [[ $value = false ]]; then +value=true; fi; fi; parsed_params+=("$match"); parsed_values+=("$value"); done +}; parse_long() { local token=${argv[0]}; local long=${token%%=*} +local value=${token#*=}; local argcount; argv=("${argv[@]:1}") +[[ $token = --* ]] || _return 88; if [[ $token = *=* ]]; then eq='='; else eq='' +value=false; fi; local i=0; local similar=(); local match=false +for o in "${longs[@]}"; do if [[ $o = "$long" ]]; then similar+=("$long") +[[ $match = false ]] && match=$i; fi; ((i++)) || true; done +if [[ $match = false ]]; then i=0; for o in "${longs[@]}"; do +if [[ $o = $long* ]]; then similar+=("$long"); [[ $match = false ]] && match=$i +fi; ((i++)) || true; done; fi; if [[ ${#similar[@]} -gt 1 ]]; then +error "${long} is not a unique prefix: ${similar[*]}?" +elif [[ ${#similar[@]} -lt 1 ]]; then +[[ $eq = '=' ]] && argcount=1 || argcount=0; match=${#shorts[@]} +[[ $argcount -eq 0 ]] && value=true; shorts+=(''); longs+=("$long") +argcounts+=("$argcount"); else if [[ ${argcounts[$match]} -eq 0 ]]; then +if [[ $value != false ]]; then +error "${longs[$match]} must not have an argument"; fi +elif [[ $value = false ]]; then +if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then +error "${long} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}") +fi; if [[ $value = false ]]; then value=true; fi; fi; parsed_params+=("$match") +parsed_values+=("$value"); }; required() { local initial_left=("${left[@]}") +local node_idx; ((testdepth++)) || true; for node_idx in "$@"; do +if ! "node_$node_idx"; then left=("${initial_left[@]}"); ((testdepth--)) || true +return 1; fi; done; if [[ $((--testdepth)) -eq 0 ]]; then +left=("${initial_left[@]}"); for node_idx in "$@"; do "node_$node_idx"; done; fi +return 0; }; value() { local i; for i in "${!left[@]}"; do local l=${left[$i]} +if [[ ${parsed_params[$l]} = "$2" ]]; then +left=("${left[@]:0:$i}" "${left[@]:((i+1))}") +[[ $testdepth -gt 0 ]] && return 0; local value +value=$(printf -- "%q" "${parsed_values[$l]}"); if [[ $3 = true ]]; then +eval "var_$1+=($value)"; else eval "var_$1=$value"; fi; return 0; fi; done +return 1; }; stdout() { printf -- "cat <<'EOM'\n%s\nEOM\n" "$1"; }; stderr() { +printf -- "cat <<'EOM' >&2\n%s\nEOM\n" "$1"; }; error() { +[[ -n $1 ]] && stderr "$1"; stderr "$usage"; _return 1; }; _return() { +printf -- "exit %d\n" "$1"; exit "$1"; }; set -e; trimmed_doc=${DOC:1:175} +usage=${DOC:37:45}; digest=f7ec7; shorts=(); longs=(); argcounts=(); node_0(){ +value _domain_ a; }; node_1(){ value _subdomain_ a; }; node_2(){ value _ip_ a; } +node_3(){ required 0 1 2; }; node_4(){ required 3; }; cat <<<' docopt_exit() { +[[ -n $1 ]] && printf "%s\n" "$1" >&2; printf "%s\n" "${DOC:37:45}" >&2; exit 1 +}'; unset var__domain_ var__subdomain_ var__ip_; parse 4 "$@" +local prefix=${DOCOPT_PREFIX:-''}; unset "${prefix}_domain_" \ +"${prefix}_subdomain_" "${prefix}_ip_" +eval "${prefix}"'_domain_=${var__domain_:-}' +eval "${prefix}"'_subdomain_=${var__subdomain_:-}' +eval "${prefix}"'_ip_=${var__ip_:-}'; local docopt_i=1 +[[ $BASH_VERSION =~ ^4.3 ]] && docopt_i=2; for ((;docopt_i>0;docopt_i--)); do +declare -p "${prefix}_domain_" "${prefix}_subdomain_" "${prefix}_ip_"; done; } +# docopt parser above, complete command for generating this parser is `docopt.sh abra-gandi` + +ABRA_DIR="${ABRA_DIR:-$HOME/.abra}" +ABRA_VENDOR_DIR="$ABRA_DIR/vendor" +JQ="$ABRA_VENDOR_DIR/jq" + +abra_gandi() { + declare abra_gandi__domain_ abra_hetzner__subdomain_ abra_hetzner__ip_ + + DOCOPT_PREFIX=abra_gandi_ + + eval "$(docopt "$@")" + + if ! type curl > /dev/null 2>&1; then + error "curl program is not installed" + fi + + if [[ -z "$GANDI_API_TOKEN" ]]; then + read -rp "Gandi API token: " GANDI_API_TOKEN + fi + + DOMAIN="$abra_gandi__domain_" + SUBDOMAIN="$abra_gandi__subdomain_" + IP="$abra_gandi__ip_" + + # WIP... +} + +abra_gandi "$@" diff --git a/makefile b/makefile new file mode 100644 index 0000000..d0a4f78 --- /dev/null +++ b/makefile @@ -0,0 +1,17 @@ +.PHONY: shellcheck docopt + +shellcheck: + @docker run \ + -it \ + --rm \ + -v $$(pwd):/workdir \ + koalaman/shellcheck-alpine \ + shellcheck /workdir/abra-gandi + +docopt: + @if [ ! -d ".venv" ]; then \ + python3 -m venv .venv && \ + .venv/bin/pip install -U pip setuptools wheel && \ + .venv/bin/pip install docopt-sh; \ + fi + .venv/bin/docopt.sh abra-gandi