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new: basic but functional auto-summoning code.

hostresources
Valentin Lab 5 years ago
parent
f8ab2a87da
commit
1c639c9d55
2 changed files with 103 additions and 20 deletions
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  1. 2
      Dockerfile
  2. 121
      bin/compose-core

2
Dockerfile
View File

@ -11,7 +11,7 @@ RUN apk --update add curl
## would love to use args... but I need it as an environment variable
ENV KAL_SHLIB_ARRAY_VERSION="0.2.0" \
KAL_SHLIB_CACHE_VERSION="0.0.1" \
KAL_SHLIB_CHARM_VERSION="0.4.0" \
KAL_SHLIB_CHARM_VERSION="0.4.1" \
KAL_SHLIB_CMDLINE_VERSION="0.0.4" \
KAL_SHLIB_COMMON_VERSION="0.4.10" \
KAL_SHLIB_CONFIG_VERSION="0.0.2" \

121
bin/compose-core
View File

@ -1982,7 +1982,7 @@ _get_provides_provides() {
service rn rd
if [ -e "$cache_file" ]; then
debug "$FUNCNAME: CACHEDIR cache hit $1"
# debug "$FUNCNAME: CACHEDIR cache hit $1"
cat "$cache_file"
return 0
fi
@ -2013,7 +2013,7 @@ _get_metadata_provides() {
service rn rd
if [ -e "$cache_file" ]; then
debug "$FUNCNAME: CACHEDIR cache hit"
#debug "$FUNCNAME: CACHEDIR cache hit"
cat "$cache_file"
return 0
fi
@ -2052,6 +2052,50 @@ _get_services_provides() {
export -f _get_services_provides
_get_charm_provides() {
local cache_file="$CACHEDIR/$FUNCNAME.cache.$(charm.store_metadata_hash)"
if [ -e "$cache_file" ]; then
#debug "$FUNCNAME: SESSION cache hit"
cat "$cache_file"
return 0
fi
start="$SECONDS"
debug "Getting charm provider list..."
while read-0 charm _ realpath metadata; do
metadata="$(charm.metadata "$charm")" || continue
# echo "reading $charm" >&2
while read-0 rn rd; do
printf "%s\0" "$charm" "$rn" "$rd"
done < <(_get_metadata_provides "$metadata")
done < <(charm.ls) | tee "$cache_file"
errlvl="${PIPESTATUS[0]}"
debug " ..charm provider list done $GRAY(in $((SECONDS - start))s)$NORMAL"
return "$errlvl"
}
_get_charm_providing() {
local cache_file="$state_tmpdir/$FUNCNAME.cache.$(printf "%s\0" "$@" | md5_compat)" \
relation="$1"
if [ -e "$cache_file" ]; then
#debug "$FUNCNAME: SESSION cache hit $1"
cat "$cache_file"
return 0
fi
while read-0 charm relation_name relation_def; do
[ "$relation_name" == "$relation" ] || continue
printf "%s\0" "$charm" "$relation_def"
done < <(_get_charm_provides) > "$cache_file"
if [ "$?" != 0 ]; then
rm -f "$cache_file" ## no cache
return 1
fi
cat "$cache_file"
}
_get_services_providing() {
local cache_file="$state_tmpdir/$FUNCNAME.cache.$(printf "%s\0" "$@" | md5_compat)" \
relation="$1"
@ -2076,6 +2120,22 @@ _get_services_providing() {
export -f _get_services_provides
_out_new_relation_from_defs() {
local service="$1" rn="$2" ts="$3" prov_def="$4" rel_def="$5" rc td rc_prov
rc_prov=$(printf "%s" "$prov_def" | shyaml -y get-value "default-options" 2>/dev/null)
## YYYvlab: should be seen even in no debug mode no ?
rc=$(printf "%s" "$rel_def" | shyaml -y get-value "default-options" 2>/dev/null)
td=$(echo "$prov_def" | shyaml get-value 'tech-dep' 2>/dev/null)
td=${td:-True}
rc=$(merge_yaml_str "$rc_prov" "$rc") || return 1
printf "%s\0" "$service" "$relation_name" "$ts" "$rc" "$td"
}
get_all_relations () {
local cache_file="$state_tmpdir/$FUNCNAME.cache.$(printf "%s\0" "$@" | md5_compat)" \
services
@ -2155,16 +2215,12 @@ get_all_relations () {
array_read-0 providers providers_def < <(_get_services_providing "$relation_name" "${service_list[@]}")
if [ "${#providers[@]}" == 1 ]; then
ts="${providers[0]}"
rd_provider="${providers_def[0]}"
rc_provider=$(printf "%s" "$rd_provider" | shyaml -y get-value "default-options" 2>/dev/null)
## YYYvlab: should be seen even in no debug mode no ?
debug "Auto-pairs ${DARKYELLOW}$service${NORMAL}" \
"--${DARKBLUE}$relation_name${NORMAL}--> ${DARKYELLOW}$ts${NORMAL}"
rc=$(printf "%s" "$relation_def" | shyaml -y get-value "default-options" 2>/dev/null)
td=$(echo "$rd_provider" | shyaml get-value 'tech-dep' 2>/dev/null)
td=${td:-True}
rc=$(merge_yaml_str "$rc_provider" "$rc") || return 1
printf "%s\0" "$service" "$relation_name" "$ts" "$rc" "$td" >> "${cache_file}.wip"
_out_new_relation_from_defs "$service" "$relation_name" "$ts" \
"${providers_def[0]}" "$relation_def" \
>> "${cache_file}.wip"
## Adding service
[ "${services[$ts]}" ] && continue
@ -2219,7 +2275,39 @@ get_all_relations () {
## situation is stable
if [ "${#summon[@]}" != 0 ]; then
die "Summon code not implemented yet"
while [ "${#summon[@]}" != 0 ]; do
service="${summon[0]}"
relation_name="${summon[1]}"
relation_def="${summon[2]}"
summon=("${summon[@]:3}")
providers=()
providers_def=()
array_read-0 providers providers_def < <(_get_charm_providing "$relation_name" "${service_list[@]}")
if [ "${#providers[@]}" == 0 ]; then
die "Summoning a ${DARKBLUE}$relation_name${NORMAL} provider failed: none were found in charm store."
fi
if [ "${#providers[@]}" -gt 1 ]; then
warn "Auto-summon ${DARKYELLOW}$service${NORMAL}" \
"--${DARKBLUE}$relation_name${NORMAL}--> ($DARKYELLOW""${providers[@]}""$NORMAL)"\
"(> 1 provider). Choosing first."
fi
ts="${providers[0]}"
## YYYvlab: should be seen even in no debug mode no ?
debug "Auto-summon ${DARKYELLOW}$service${NORMAL}" \
"--${DARKBLUE}$relation_name${NORMAL}--> ${DARKYELLOW}$ts${NORMAL}"
_out_new_relation_from_defs "$service" "$relation_name" "$ts" \
"${providers_def[0]}" "$relation_def" \
>> "${cache_file}.wip"
## Adding service
[ "${services[$ts]}" ] && continue
array_read-0 new_services_uses < <(_get_services_uses "$ts")
services[$ts]=1
changed=1
done
continue
fi
[ "$NO_CONSTRAINT_CHECK" ] && break
@ -3759,15 +3847,10 @@ else
fi
NO_CONSTRAINT_CHECK=
NO_CONSTRAINT_CHECK=True
case "$action" in
""|down|restart|logs|config|ps)
NO_CONSTRAINT_CHECK=True
;;
*)
if [ "$is_service_action" ]; then
NO_CONSTRAINT_CHECK=True
fi
up)
NO_CONSTRAINT_CHECK=
;;
esac

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