A first stab at docopt-sh integration
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This commit is contained in:
Luke Murphy
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11
Makefile
11
Makefile
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@ -14,4 +14,13 @@ dev-install-yq:
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chmod +x yq_linux_amd64 && \
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mv yq_linux_amd64 ~/.local/bin/yq
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.PHONY: dev-install install test dev-install-yq
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docopt:
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@if [ ! -d ".venv" ]; then \
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python3 -m venv .venv && \
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.venv/bin/pip install -U pip setuptools wheel && \
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.venv/bin/pip install docopt-sh; \
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fi
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.venv/bin/docopt.sh abra
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.PHONY: dev-install install test dev-install-yq docopt
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176
abra
176
abra
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@ -1,4 +1,137 @@
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#!/bin/bash
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#!/usr/bin/env bash
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###### Global help
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DOC="The cooperative cloud utility belt 🎩🐇
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Usage:
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abra
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Options:
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Commands:
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"
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### TODO(decentral1se): convert this into `DOC`
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sub_help() {
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echo "Usage: $PROGRAM_NAME [OPTIONS] COMMAND [ARGS]..."
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echo ""
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echo "Options:"
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echo " --config Stack configuration to use"
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echo " --env Environment variables to load"
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echo " --help Show this message and exit"
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echo " --stack Name of the target stack"
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echo " --version Show program version"
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echo ""
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echo "Commands:"
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echo " server manage remote host"
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echo " cp copy files to a container"
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echo " deploy let 'em rip"
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echo " logs tail logs from a deployed service"
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echo " multilogs tail logs from a whole stackk"
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echo " run run a command in the specified service's container"
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echo " secret manage secrets"
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echo " upgrade upgrade to the latest version"
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}
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sub_secret_help() {
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echo "Usage: $PROGRAM_NAME [global opts] secret <subcommand> [sub opts]"
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echo ""
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echo "Subcommands:"
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echo " generate SECRET VERSION [PWGEN] generate & store secret"
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echo " insert SECRET VERSION PW save PW in docker and pass"
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}
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sub_server_help() {
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echo "Usage: $PROGRAM_NAME [global opts] server <subcommand> [sub opts]"
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echo ""
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echo "Subcommands:"
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echo " add HOST [USER] [PORT] set up remote Docker context"
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echo " rm HOST"
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echo " use HOST activate remote Docker context"
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echo " init HOST activate swarm mode"
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}
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###
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# docopt parser below, refresh this parser with `docopt.sh abra`
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# shellcheck disable=2016,1075
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docopt() { parse() { if ${DOCOPT_DOC_CHECK:-true}; then local doc_hash
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if doc_hash=$(printf "%s" "$DOC" | (sha256sum 2>/dev/null || shasum -a 256)); then
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if [[ ${doc_hash:0:5} != "$digest" ]]; then
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stderr "The current usage doc (${doc_hash:0:5}) does not match \
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what the parser was generated with (${digest})
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Run \`docopt.sh\` to refresh the parser."; _return 70; fi; fi; fi
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local root_idx=$1; shift; argv=("$@"); parsed_params=(); parsed_values=()
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left=(); testdepth=0; local arg; while [[ ${#argv[@]} -gt 0 ]]; do
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if [[ ${argv[0]} = "--" ]]; then for arg in "${argv[@]}"; do
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parsed_params+=('a'); parsed_values+=("$arg"); done; break
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elif [[ ${argv[0]} = --* ]]; then parse_long
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elif [[ ${argv[0]} = -* && ${argv[0]} != "-" ]]; then parse_shorts
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elif ${DOCOPT_OPTIONS_FIRST:-false}; then for arg in "${argv[@]}"; do
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parsed_params+=('a'); parsed_values+=("$arg"); done; break; else
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parsed_params+=('a'); parsed_values+=("${argv[0]}"); argv=("${argv[@]:1}"); fi
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done; local idx; if ${DOCOPT_ADD_HELP:-true}; then
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for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue
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if [[ ${shorts[$idx]} = "-h" || ${longs[$idx]} = "--help" ]]; then
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stdout "$trimmed_doc"; _return 0; fi; done; fi
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if [[ ${DOCOPT_PROGRAM_VERSION:-false} != 'false' ]]; then
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for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue
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if [[ ${longs[$idx]} = "--version" ]]; then stdout "$DOCOPT_PROGRAM_VERSION"
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_return 0; fi; done; fi; local i=0; while [[ $i -lt ${#parsed_params[@]} ]]; do
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left+=("$i"); ((i++)) || true; done
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if ! required "$root_idx" || [ ${#left[@]} -gt 0 ]; then error; fi; return 0; }
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parse_shorts() { local token=${argv[0]}; local value; argv=("${argv[@]:1}")
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[[ $token = -* && $token != --* ]] || _return 88; local remaining=${token#-}
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while [[ -n $remaining ]]; do local short="-${remaining:0:1}"
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remaining="${remaining:1}"; local i=0; local similar=(); local match=false
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for o in "${shorts[@]}"; do if [[ $o = "$short" ]]; then similar+=("$short")
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[[ $match = false ]] && match=$i; fi; ((i++)) || true; done
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if [[ ${#similar[@]} -gt 1 ]]; then
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error "${short} is specified ambiguously ${#similar[@]} times"
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elif [[ ${#similar[@]} -lt 1 ]]; then match=${#shorts[@]}; value=true
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shorts+=("$short"); longs+=(''); argcounts+=(0); else value=false
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if [[ ${argcounts[$match]} -ne 0 ]]; then if [[ $remaining = '' ]]; then
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if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then
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error "${short} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}")
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else value=$remaining; remaining=''; fi; fi; if [[ $value = false ]]; then
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value=true; fi; fi; parsed_params+=("$match"); parsed_values+=("$value"); done
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}; parse_long() { local token=${argv[0]}; local long=${token%%=*}
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local value=${token#*=}; local argcount; argv=("${argv[@]:1}")
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[[ $token = --* ]] || _return 88; if [[ $token = *=* ]]; then eq='='; else eq=''
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value=false; fi; local i=0; local similar=(); local match=false
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for o in "${longs[@]}"; do if [[ $o = "$long" ]]; then similar+=("$long")
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[[ $match = false ]] && match=$i; fi; ((i++)) || true; done
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if [[ $match = false ]]; then i=0; for o in "${longs[@]}"; do
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if [[ $o = $long* ]]; then similar+=("$long"); [[ $match = false ]] && match=$i
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fi; ((i++)) || true; done; fi; if [[ ${#similar[@]} -gt 1 ]]; then
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error "${long} is not a unique prefix: ${similar[*]}?"
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elif [[ ${#similar[@]} -lt 1 ]]; then
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[[ $eq = '=' ]] && argcount=1 || argcount=0; match=${#shorts[@]}
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[[ $argcount -eq 0 ]] && value=true; shorts+=(''); longs+=("$long")
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argcounts+=("$argcount"); else if [[ ${argcounts[$match]} -eq 0 ]]; then
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if [[ $value != false ]]; then
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error "${longs[$match]} must not have an argument"; fi
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elif [[ $value = false ]]; then
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if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then
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error "${long} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}")
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fi; if [[ $value = false ]]; then value=true; fi; fi; parsed_params+=("$match")
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parsed_values+=("$value"); }; required() { local initial_left=("${left[@]}")
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local node_idx; ((testdepth++)) || true; for node_idx in "$@"; do
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if ! "node_$node_idx"; then left=("${initial_left[@]}"); ((testdepth--)) || true
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return 1; fi; done; if [[ $((--testdepth)) -eq 0 ]]; then
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left=("${initial_left[@]}"); for node_idx in "$@"; do "node_$node_idx"; done; fi
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return 0; }; stdout() { printf -- "cat <<'EOM'\n%s\nEOM\n" "$1"; }; stderr() {
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printf -- "cat <<'EOM' >&2\n%s\nEOM\n" "$1"; }; error() {
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[[ -n $1 ]] && stderr "$1"; stderr "$usage"; _return 1; }; _return() {
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printf -- "exit %d\n" "$1"; exit "$1"; }; set -e; trimmed_doc=${DOC:0:74}
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usage=${DOC:39:13}; digest=8c7d3; shorts=(); longs=(); argcounts=(); node_0(){
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required ; }; node_1(){ required 0; }; cat <<<' docopt_exit() {
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[[ -n $1 ]] && printf "%s\n" "$1" >&2; printf "%s\n" "${DOC:39:13}" >&2; exit 1
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}'; unset ; parse 1 "$@"; return 0; local prefix=${DOCOPT_PREFIX:-''}; unset
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local docopt_i=1; [[ $BASH_VERSION =~ ^4.3 ]] && docopt_i=2
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for ((;docopt_i>0;docopt_i--)); do declare -p ; done; }
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# docopt parser above, complete command for generating this parser is `docopt.sh abra`
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PROGRAM_NAME=$(basename "$0")
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@ -152,39 +285,8 @@ if [ -f "$ABRA_STACK_DIR/abra-commands.sh" ]; then
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source "$ABRA_STACK_DIR/abra-commands.sh"
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fi
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###### Global help
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sub_help() {
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echo "Usage: $PROGRAM_NAME [OPTIONS] COMMAND [ARGS]..."
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echo ""
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echo "Options:"
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echo " --config Stack configuration to use"
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echo " --env Environment variables to load"
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echo " --help Show this message and exit"
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echo " --stack Name of the target stack"
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echo " --version Show program version"
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echo ""
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echo "Commands:"
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echo " server manage remote host"
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echo " cp copy files to a container"
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echo " deploy let 'em rip"
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echo " logs tail logs from a deployed service"
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echo " multilogs tail logs from a whole stackk"
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echo " run run a command in the specified service's container"
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echo " secret manage secrets"
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echo " upgrade upgrade to the latest version"
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}
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###### Subcommand `secret`
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sub_secret_help() {
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echo "Usage: $PROGRAM_NAME [global opts] secret <subcommand> [sub opts]"
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echo ""
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echo "Subcommands:"
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echo " generate SECRET VERSION [PWGEN] generate & store secret"
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echo " insert SECRET VERSION PW save PW in docker and pass"
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}
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sub_secret_insert() {
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require_stack
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load_context
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@ -391,16 +493,6 @@ sub_cp() {
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###### Subcommand `context`
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sub_server_help() {
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echo "Usage: $PROGRAM_NAME [global opts] server <subcommand> [sub opts]"
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echo ""
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echo "Subcommands:"
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echo " add HOST [USER] [PORT] set up remote Docker context"
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echo " rm HOST"
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echo " use HOST activate remote Docker context"
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echo " init HOST activate swarm mode"
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}
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sub_server_init() {
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load_context
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