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chg: dev: moved function around. !minor

raw-remaining-args
Valentin Lab 8 years ago
parent
82aa3224c2
commit
46563cb190
1 changed files with 172 additions and 155 deletions
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  1. 327
      bin/compose

327
bin/compose
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@ -32,11 +32,10 @@
}
#:-
include pretty
include parse
md5_compat() { md5sum | cut -c -32; }
depends shyaml docker
[[ "${BASH_SOURCE[0]}" != "${0}" ]] && SOURCED=true
@ -45,8 +44,11 @@ depends shyaml docker
export CACHEDIR=/var/cache/compose
export VARDIR=/var/lib/compose
mkdir -p "$CACHEDIR" || exit 1
md5_compat() { md5sum | cut -c -32; }
quick_cat_file() { quick_cat_stdin < "$1"; }
quick_cat_stdin() { local IFS=''; while read -r line; do echo "$line"; done ; }
export -f quick_cat_file quick_cat_stdin md5_compat
trap_add "EXIT" clean_cache
usage="$exname CHARM"'
@ -203,7 +205,7 @@ export -f yaml_key_val_str
##
## Functions
## Docker
##
docker_has_image() {
@ -216,6 +218,44 @@ docker_has_image() {
}
export -f docker_has_image
cmd_on_base_image() {
local charm="$1"
shift
base_image=$(service_base_docker_image "$charm") || return 1
docker run -i --entrypoint /bin/bash "$base_image" -c "$*"
}
export -f cmd_on_base_image
cached_cmd_on_base_image() {
local charm="$1" cache_file="$state_tmpdir/$FUNCNAME.cache.$(echo "$*" | md5_compat)"
shift
if [ -e "$cache_file" ]; then
# debug "$FUNCNAME: cache hit ($*)"
quick_cat_stdin < "$cache_file"
return 0
fi
base_image=$(service_base_docker_image "$charm") || return 1
result=$(cmd_on_base_image "$charm" "$@") || return 1
echo "$result" | tee "$cache_file"
}
export -f cached_cmd_on_base_image
##
## Generic
##
str_matches() {
local str="$1"
shift
for pattern in "$@"; do
eval "[[ \"$str\" == $pattern ]]" && return 0
done
return 1
}
gen_password() {
python -c 'import random; \
xx = "azertyuiopqsdfghjklmwxcvbn1234567890AZERTYUIOPQSDFGHJKLMWXCVBN+_-"; \
@ -232,6 +272,129 @@ file_put() {
export -f file_put
file_put_0() {
local TARGET="$1"
mkdir -p "$(dirname "$TARGET")" &&
cat > "$TARGET"
}
export -f file_put_0
fetch_file() {
local src="$1"
case "$src" in
*"://"*)
err "Unsupported target scheme."
return 1
;;
*)
## Try direct
if ! [ -r "$src" ]; then
err "File '$src' not found/readable."
return 1
fi
cat "$src" || return 1
;;
esac
}
export -f fetch_file
## receives stdin content to decompress on stdout
## stdout content should be tar format.
uncompress_file() {
local filename="$1"
## Warning, the content of the file is already as stdin, the filename
## is there to hint for correct decompression.
case "$filename" in
*".gz")
gunzip
;;
*".bz2")
bunzip2
;;
*)
cat
;;
esac
}
export -f uncompress_file
get_file() {
local src="$1"
fetch_file "$src" | uncompress_file "$src"
}
export -f get_file
##
## Arrays
##
array_values_to_stdin() {
local e
if [ "$#" -ne "1" ]; then
print_syntax_warning "$FUNCNAME: need one argument."
return 1
fi
var="$1"
eval "for e in \"\${$var[@]}\"; do echo -en \"\$e\\0\"; done"
}
array_keys_to_stdin() {
local e
if [ "$#" -ne "1" ]; then
print_syntax_warning "$FUNCNAME: need one argument."
return 1
fi
var="$1"
eval "for e in \"\${!$var[@]}\"; do echo -en \"\$e\\0\"; done"
}
array_kv_to_stdin() {
local e
if [ "$#" -ne "1" ]; then
print_syntax_warning "$FUNCNAME: need one argument."
return 1
fi
var="$1"
eval "for e in \"\${!$var[@]}\"; do echo -n \"\$e\"; echo -en '\0'; echo -n \"\${$var[\$e]}\"; echo -en '\0'; done"
}
array_pop() {
local narr="$1" nres="$2"
for key in $(eval "echo \${!$narr[@]}"); do
eval "$nres=\${$narr[\"\$key\"]}"
eval "unset $narr[\"\$key\"]"
return 0
done
}
export -f array_pop
array_member() {
local src elt
src="$1"
elt="$2"
while read-0 key; do
if [ "$(eval "echo -n \"\${$src[\$key]}\"")" == "$elt" ]; then
return 0
fi
done < <(array_keys_to_stdin "$src")
return 1
}
export -f array_member
##
## Internal Process
##
get_docker_compose_links() {
local service="$1" cache_file="$state_tmpdir/$FUNCNAME.cache.$1" \
links charm charm_part master_charm
@ -501,145 +664,6 @@ service_base_docker_image() {
}
export -f service_base_docker_image
## XXXvlab: provided in shlib/common
# read-0() {
# local eof
# eof=
# while [ "$1" ]; do
# IFS='' read -r -d '' "$1" || eof=true
# shift
# done
# test "$eof" != true
# }
# export -f read-0
fetch_file() {
local src="$1"
case "$src" in
*"://"*)
err "Unsupported target scheme."
return 1
;;
*)
## Try direct
if ! [ -r "$src" ]; then
err "File '$src' not found/readable."
return 1
fi
cat "$src" || return 1
;;
esac
}
export -f fetch_file
## receives stdin content to decompress on stdout
## stdout content should be tar format.
uncompress_file() {
local filename="$1"
## Warning, the content of the file is already as stdin, the filename
## is there to hint for correct decompression.
case "$filename" in
*".gz")
gunzip
;;
*".bz2")
bunzip2
;;
*)
cat
;;
esac
}
export -f uncompress_file
get_file() {
local src="$1"
fetch_file "$src" | uncompress_file "$src"
}
export -f get_file
cmd_on_base_image() {
local charm="$1"
shift
base_image=$(service_base_docker_image "$charm") || return 1
docker run -i --entrypoint /bin/bash "$base_image" -c "$*"
}
export -f cmd_on_base_image
cached_cmd_on_base_image() {
local charm="$1" cache_file="$state_tmpdir/$FUNCNAME.cache.$(echo "$*" | md5_compat)"
shift
if [ -e "$cache_file" ]; then
# debug "$FUNCNAME: cache hit ($*)"
cat "$cache_file"
return 0
fi
base_image=$(service_base_docker_image "$charm") || return 1
result=$(cmd_on_base_image "$charm" "$@") || return 1
echo "$result" | tee "$cache_file"
}
export -f cached_cmd_on_base_image
array_values_to_stdin() {
local e
if [ "$#" -ne "1" ]; then
print_syntax_warning "$FUNCNAME: need one argument."
return 1
fi
var="$1"
eval "for e in \"\${$var[@]}\"; do echo -en \"\$e\\0\"; done"
}
array_keys_to_stdin() {
local e
if [ "$#" -ne "1" ]; then
print_syntax_warning "$FUNCNAME: need one argument."
return 1
fi
var="$1"
eval "for e in \"\${!$var[@]}\"; do echo -en \"\$e\\0\"; done"
}
array_kv_to_stdin() {
local e
if [ "$#" -ne "1" ]; then
print_syntax_warning "$FUNCNAME: need one argument."
return 1
fi
var="$1"
eval "for e in \"\${!$var[@]}\"; do echo -n \"\$e\"; echo -en '\0'; echo -n \"\${$var[\$e]}\"; echo -en '\0'; done"
}
array_pop() {
local narr="$1" nres="$2"
for key in $(eval "echo \${!$narr[@]}"); do
eval "$nres=\${$narr[\"\$key\"]}"
eval "unset $narr[\"\$key\"]"
return 0
done
}
export -f array_pop
array_member() {
local src elt
src="$1"
elt="$2"
while read-0 key; do
if [ "$(eval "echo -n \"\${$src[\$key]}\"")" == "$elt" ]; then
return 0
fi
done < <(array_keys_to_stdin "$src")
return 1
}
export -f array_member
get_charm_relation_def () {
local charm="$1" relation_name="$2" cache_file="$state_tmpdir/$FUNCNAME.cache.$1.$2" \
@ -1655,7 +1679,9 @@ _setup_state_dir() {
trap_add EXIT "rm -rf \"$state_tmpdir\""
}
## Returns arg list of an docker-compose
get_docker_compose_opts_list() {
local cache_file="$CACHEDIR/$FUNCNAME.cache.$(cat "$(which docker-compose)" | md5_compat)"
if [ -e "$cache_file" ]; then
@ -1698,18 +1724,8 @@ clean_cache() {
fi
}
str_matches() {
local str="$1"
shift
for pattern in "$@"; do
eval "[[ \"$str\" == $pattern ]]" && return 0
done
return 1
}
[ "$SOURCED" ] && return 0
if [ -z "$DISABLE_SYSTEM_CONFIG_FILE" ]; then
if [ -r /etc/default/charm ]; then
. /etc/default/charm
@ -1726,6 +1742,7 @@ if [ -z "$DISABLE_SYSTEM_CONFIG_FILE" ]; then
fi
_setup_state_dir
mkdir -p "$CACHEDIR" || exit 1
##
## Argument parsing

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