fluxer/.github/workflows/deploy-gateway.yaml
2026-01-01 21:05:54 +00:00

279 lines
9.7 KiB
YAML

name: deploy gateway
on:
workflow_dispatch:
push:
branches:
- canary
- main
paths:
- 'fluxer_gateway/**'
concurrency:
group: deploy-gateway
cancel-in-progress: true
permissions:
contents: read
jobs:
deploy:
name: Deploy (hot patch)
runs-on: blacksmith-2vcpu-ubuntu-2404
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
with:
sparse-checkout: fluxer_gateway
- name: Set up Erlang
uses: erlef/setup-beam@v1
with:
otp-version: "28"
rebar3-version: "3.24.0"
- name: Compile
working-directory: fluxer_gateway
run: |
set -euo pipefail
rebar3 as prod compile
- name: Set up SSH
uses: webfactory/ssh-agent@v0.9.1
with:
ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY_SERVER }}
- name: Add server to known hosts
run: |
set -euo pipefail
mkdir -p ~/.ssh
ssh-keyscan -H ${{ secrets.SERVER_IP }} >> ~/.ssh/known_hosts
- name: Deploy
env:
SERVER: ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }}
GATEWAY_ADMIN_SECRET: ${{ secrets.GATEWAY_ADMIN_SECRET }}
run: |
set -euo pipefail
CONTAINER_ID="$(ssh "${SERVER}" "docker ps -q --filter label=com.docker.swarm.service.name=fluxer-gateway_app | head -1")"
if [ -z "${CONTAINER_ID}" ]; then
echo "::error::No running container found for service fluxer-gateway_app"
ssh "${SERVER}" "docker ps --filter 'name=fluxer-gateway_app' --format '{{.ID}} {{.Names}} {{.Status}}'" || true
exit 1
fi
echo "Container: ${CONTAINER_ID}"
LOCAL_MD5_LINES="$(
erl -noshell -eval '
Files = filelib:wildcard("fluxer_gateway/_build/prod/lib/fluxer_gateway/ebin/*.beam"),
lists:foreach(
fun(F) ->
{ok, {M, Md5}} = beam_lib:md5(F),
Hex = binary:encode_hex(Md5, lowercase),
io:format("~s ~s ~s~n", [atom_to_list(M), binary_to_list(Hex), F])
end,
Files
),
halt().'
)"
REMOTE_MD5_LINES="$(
ssh "${SERVER}" "docker exec ${CONTAINER_ID} /opt/fluxer_gateway/bin/fluxer_gateway eval '
Mods = hot_reload:get_loaded_modules(),
lists:foreach(
fun(M) ->
case hot_reload:get_module_info(M) of
{ok, Info} ->
V = maps:get(loaded_md5, Info),
S = case V of
null -> \"null\";
B when is_binary(B) -> binary_to_list(B)
end,
io:format(\"~s ~s~n\", [atom_to_list(M), S]);
_ ->
ok
end
end,
Mods
),
ok.
' " | tr -d '\r'
)"
LOCAL_MD5_FILE="$(mktemp)"
REMOTE_MD5_FILE="$(mktemp)"
CHANGED_FILE_LIST="$(mktemp)"
CHANGED_MAIN_LIST="$(mktemp)"
CHANGED_SELF_LIST="$(mktemp)"
RELOAD_RESULT_MAIN="$(mktemp)"
RELOAD_RESULT_SELF="$(mktemp)"
trap 'rm -f "${LOCAL_MD5_FILE}" "${REMOTE_MD5_FILE}" "${CHANGED_FILE_LIST}" "${CHANGED_MAIN_LIST}" "${CHANGED_SELF_LIST}" "${RELOAD_RESULT_MAIN}" "${RELOAD_RESULT_SELF}"' EXIT
printf '%s' "${LOCAL_MD5_LINES}" > "${LOCAL_MD5_FILE}"
printf '%s' "${REMOTE_MD5_LINES}" > "${REMOTE_MD5_FILE}"
python3 - <<'PY' "${LOCAL_MD5_FILE}" "${REMOTE_MD5_FILE}" "${CHANGED_FILE_LIST}"
import sys
local_path, remote_path, out_path = sys.argv[1:4]
remote = {}
with open(remote_path, "r", encoding="utf-8") as f:
for line in f:
line = line.strip()
if not line:
continue
parts = line.split(None, 1)
if len(parts) != 2:
continue
mod, md5 = parts
remote[mod] = md5.strip()
changed_paths = []
with open(local_path, "r", encoding="utf-8") as f:
for line in f:
line = line.strip()
if not line:
continue
parts = line.split(" ", 2)
if len(parts) != 3:
continue
mod, md5, path = parts
r = remote.get(mod)
if r is None or r == "null" or r != md5:
changed_paths.append(path)
with open(out_path, "w", encoding="utf-8") as f:
for p in changed_paths:
f.write(p + "\n")
PY
mapfile -t CHANGED_FILES < "${CHANGED_FILE_LIST}"
if [ "${#CHANGED_FILES[@]}" -eq 0 ]; then
echo "No BEAM changes detected, nothing to hot-reload."
exit 0
fi
echo "Changed modules count: ${#CHANGED_FILES[@]}"
while IFS= read -r p; do
[ -n "${p}" ] || continue
m="$(basename "${p}")"
m="${m%.beam}"
if [ "${m}" = "hot_reload" ] || [ "${m}" = "hot_reload_handler" ]; then
printf '%s\n' "${p}" >> "${CHANGED_SELF_LIST}"
else
printf '%s\n' "${p}" >> "${CHANGED_MAIN_LIST}"
fi
done < "${CHANGED_FILE_LIST}"
build_json() {
python3 - "$1" <<'PY'
import sys, json, base64, os
list_path = sys.argv[1]
beams = []
with open(list_path, "r", encoding="utf-8") as f:
for path in f:
path = path.strip()
if not path:
continue
mod = os.path.basename(path)
if not mod.endswith(".beam"):
continue
mod = mod[:-5]
with open(path, "rb") as bf:
b = bf.read()
beams.append({"module": mod, "beam_b64": base64.b64encode(b).decode("ascii")})
print(json.dumps({"beams": beams, "purge": "soft"}, separators=(",", ":")))
PY
}
strict_verify() {
python3 -c '
import json, sys
raw = sys.stdin.read()
if not raw.strip():
print("::error::Empty reload response")
raise SystemExit(1)
try:
data = json.loads(raw)
except Exception as e:
print(f"::error::Invalid JSON reload response: {e}")
raise SystemExit(1)
results = data.get("results", [])
if not isinstance(results, list):
print("::error::Reload response missing results array")
raise SystemExit(1)
bad = [
r for r in results
if r.get("status") != "ok"
or r.get("verified") is not True
or r.get("purged_old_code") is not True
or (r.get("lingering_count") or 0) != 0
]
if bad:
print("::error::Hot reload verification failed")
print(json.dumps(bad, indent=2))
raise SystemExit(1)
print(f"Verified {len(results)} modules")
'
}
self_verify() {
python3 -c '
import json, sys
raw = sys.stdin.read()
if not raw.strip():
print("::error::Empty reload response")
raise SystemExit(1)
try:
data = json.loads(raw)
except Exception as e:
print(f"::error::Invalid JSON reload response: {e}")
raise SystemExit(1)
results = data.get("results", [])
if not isinstance(results, list):
print("::error::Reload response missing results array")
raise SystemExit(1)
bad = [
r for r in results
if r.get("status") != "ok"
or r.get("verified") is not True
]
if bad:
print("::error::Hot reload verification failed")
print(json.dumps(bad, indent=2))
raise SystemExit(1)
warns = [
r for r in results
if r.get("purged_old_code") is not True
or (r.get("lingering_count") or 0) != 0
]
if warns:
print("::warning::Self-reload modules may linger until request completes")
print(json.dumps(warns, indent=2))
print(f"Verified {len(results)} self modules")
'
}
if [ -s "${CHANGED_MAIN_LIST}" ]; then
if ! build_json "${CHANGED_MAIN_LIST}" | ssh "${SERVER}" "docker exec -i ${CONTAINER_ID} curl -fsS -X POST -H 'Authorization: Bearer ${GATEWAY_ADMIN_SECRET}' -H 'Content-Type: application/json' --data @- http://localhost:8081/_admin/reload" | tee "${RELOAD_RESULT_MAIN}" | strict_verify; then
echo "::group::Hot reload response (main)"
cat "${RELOAD_RESULT_MAIN}" || true
echo "::endgroup::"
exit 1
fi
fi
if [ -s "${CHANGED_SELF_LIST}" ]; then
if ! build_json "${CHANGED_SELF_LIST}" | ssh "${SERVER}" "docker exec -i ${CONTAINER_ID} curl -fsS -X POST -H 'Authorization: Bearer ${GATEWAY_ADMIN_SECRET}' -H 'Content-Type: application/json' --data @- http://localhost:8081/_admin/reload" | tee "${RELOAD_RESULT_SELF}" | self_verify; then
echo "::group::Hot reload response (self)"
cat "${RELOAD_RESULT_SELF}" || true
echo "::endgroup::"
exit 1
fi
fi