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installer

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This commit is contained in:
buenosairesam
2026-09-22 08:18:02 -03:00
parent 2a0a793f19
commit dee899d86f
36 changed files with 521 additions and 13 deletions
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64
rig/ctrl/deps.sh
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@@ -3,7 +3,7 @@
# Toolchain installer: detect the host, install pinned tools into $OUT_BIN, report
# host actions it will not perform (no sudo, no apt). Usually via `make deps`.
# Usage: deps.sh [detect [all] | list | verify [core|dev] | fetch [core|dev] [--to DIR] | install [core|dev]
# | manifest NAME | manifests [--to DIR]]
# | manifest NAME | manifests [--to DIR] | snapshot [DIR]]
# Notes: docs/notes/deps.md
set -euo pipefail
@@ -27,6 +27,14 @@ abspath() {
OUT_BIN="${OUT_BIN:-$HOME/.local/bin}"
HOST_ROOT="${HOST_ROOT:-/}"
# A host fixture (docs/notes/installer-testing.md) is a root whose kernel files stand in
# for this machine's; UNAME_S does the same for the one fact a file cannot carry.
if [ "$HOST_ROOT" != / ]; then
if [ -r "$HOST_ROOT/proc/meminfo" ]; then MEMINFO="${MEMINFO:-$HOST_ROOT/proc/meminfo}"; fi
if [ -r "$HOST_ROOT/proc/sys/vm/overcommit_memory" ]; then
OVERCOMMIT_FILE="${OVERCOMMIT_FILE:-$HOST_ROOT/proc/sys/vm/overcommit_memory}"
fi
fi
DEPS_SOURCE="${DEPS_SOURCE:-upstream}"
DEPS_ARTIFACTORY_URL="${DEPS_ARTIFACTORY_URL:-}"
BAKED_BIN="${BAKED_BIN:-/opt/rig/bin}"
@@ -138,7 +146,7 @@ docker_pkg() {
# Windows outside WSL (Git Bash, MSYS, Cygwin) fails confusingly; name it instead.
require_linux() {
case "$(uname -s)" in
case "${UNAME_S:-$(uname -s)}" in
MINGW*|MSYS*|CYGWIN*)
cat >&2 <<'EOF'
This has to run inside WSL, not Git Bash / MSYS / Cygwin.
@@ -157,7 +165,7 @@ EOF
esac
}
is_wsl() { grep -qi microsoft /proc/version 2>/dev/null; }
is_wsl() { grep -qi microsoft "$(host_file /proc/version)" 2>/dev/null; }
detect() {
echo "host"
@@ -765,6 +773,54 @@ fetch_manifests() { # [--to DIR]
done
}
# ── snapshot: this machine as a host fixture ───────────────────────────────
# Writes what detect reads, cut down to what it needs — never the environment, the
# home directory or the host name — plus the lines detect prints for it. A fact of
# one machine: keep it with an overlay or in rig's local/, never in rig itself, and
# replay it with ctrl/hosttest.sh. Notes: docs/notes/installer-testing.md
snapshot() {
local dest r f
dest="$(abspath "${1:-host-snapshot}")"
if [ -n "$(ls -A "$dest" 2>/dev/null)" ]; then
echo "snapshot: $dest already holds something — pick an empty directory" >&2
exit 1
fi
r="$dest/root"
mkdir -p "$r/etc" "$r/proc/sys/vm"
f=$(host_file /etc/os-release)
if [ -r "$f" ]; then grep -E '^(PRETTY_NAME|NAME|VERSION_ID|ID|ID_LIKE)=' "$f" > "$r/etc/os-release"; fi
# The kernel release says WSL or not; the full build string names build hosts.
echo "Linux version $(awk '{print $3; exit}' "$(host_file /proc/version)" 2>/dev/null || uname -r)" > "$r/proc/version"
grep -E '^(MemTotal|MemAvailable|SwapTotal|SwapFree):' "${MEMINFO:-/proc/meminfo}" > "$r/proc/meminfo"
cat "${OVERCOMMIT_FILE:-/proc/sys/vm/overcommit_memory}" > "$r/proc/sys/vm/overcommit_memory" 2>/dev/null || true
f=$(host_file /etc/wsl.conf)
if [ -r "$f" ]; then
# Section headers and the two keys detect reads; a [user] default= names a person.
grep -E '^[[:space:]]*(\[[a-z0-9]+\]|systemd[[:space:]]*=|generateResolvConf[[:space:]]*=)' "$f" > "$r/etc/wsl.conf" || true
fi
f=$(ls "$HOST_ROOT"/mnt/c/Users/*/.wslconfig 2>/dev/null | head -1 || true)
if [ -n "$f" ] && grep -qE '^\s*memory\s*=' "$f"; then
mkdir -p "$r/mnt/c/Users/user"
{ echo "[wsl2]"; grep -E '^\s*memory\s*=' "$f"; } > "$r/mnt/c/Users/user/.wslconfig"
fi
{
echo "# for the record; not replayed"
echo "arch=$(arch)"
echo "glibc=$(ldd --version 2>/dev/null | head -1 | grep -oE '[0-9]+\.[0-9]+$' || echo unknown)"
echo "taken=$(date -u +%Y-%m-%d)"
} > "$dest/facts.txt"
# The lines the fixture itself decides, as detect prints them for it now.
{
echo "# Written by deps.sh snapshot: what detect said about this machine."
env -u MEMINFO -u OVERCOMMIT_FILE HOST_ROOT="$r" bash "./$(basename "${BASH_SOURCE[0]}")" detect all 2>/dev/null \
| grep -E '^ (distro|memory|overcommit|systemd|resolv\.conf|wslconfig) |^ ! systemd|^ - resolv\.conf' \
| sed 's/^ /+ /'
} > "$dest/expect.txt"
echo "wrote $dest"
(cd "$dest" && find . -type f | sort | sed 's|^\./| |')
echo "keep it with an overlay or in rig's local/, never in rig; replay it with rig's hosttest.sh"
}
# Baked mode copies binaries already in the image, so it needs no downloader.
need_downloads() {
require_amd64
@@ -781,10 +837,12 @@ case "$cmd" in
manifest) need_downloads
fetch_manifest "${1:?usage: $0 manifest <METALLB|CERT_MANAGER|METRICS_SERVER>}" "$MANIFESTS_HOME" ;;
manifests) need_downloads; fetch_manifests "$@" ;;
snapshot) snapshot "${1:-}" ;;
*) echo "usage: $0 [detect [all]|list|verify|fetch|install|manifest NAME|manifests]" >&2
echo " install [core|dev] (default dev)" >&2
echo " fetch [core|dev] [--to DIR]" >&2
echo " manifests [--to DIR] the addons' pinned manifests, verified" >&2
echo " snapshot [DIR] this machine as a host fixture (no secrets)" >&2
echo " OUT_BIN=<dir> overrides the install directory" >&2
exit 1 ;;
esac