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|
#!/usr/bin/env bash
set -eu
declare -a devices
declare -A sshmap
################################################################################
omnia_hash="bd7ac5d8c08538ec1f126d34b765f0362427fe17"
## aarch64
# Mox
devices+=( "dean" "spt-mox2" )
sshmap["spt-mox2"]="mox2.spt"
# Raspberry Pi
devices+=( "adm-mpd" )
sshmap["adm-mpd"]="mpd.adm"
## armv7
# Omnia
devices+=( "spt-omnia" )
sshmap["spt-omnia"]="omnia.spt"
# Raspberry Pi
devices+=( "spt-mpd" )
sshmap["spt-mpd"]="mpd.spt"
################################################################################
valid_device() {
local check="$1"
for dev in "${devices[@]}"; do
[ "$dev" != "$check" ] \
|| return 0
done
return 1
}
build() {
local system="$1"
echo "Building $system"
local -a args
local toplevel=".config.system.build.toplevel"
args+=("--keep-going")
args+=("--override-input" "nixturris" "/home/cynerd/projects/nixturris")
if [[ "$system" == *omnia ]]; then
true
#toplevel=".config.system.build.cross.x86_64-linux${toplevel}"
#args=( \
# "--override-input" "nixpkgs" "github:NixOS/nixpkgs/${omnia_hash}"
# "--override-input" "nixturris/nixpkgs" "github:NixOS/nixpkgs/${omnia_hash}"
#)
fi
nix build \
-o "result-${system}" \
"${args[@]}" \
"${0%/*}#nixosConfigurations.${system}${toplevel}"
}
build_validate() {
local system="$1"
[ -L "result-$system" ] && [ ! -e "result-$system" ]
}
copy() {
local system="$1"
if ! build_validate "$system"; then
echo "System '$system' seems to be not build." >&2
return 1
fi
local store="$(readlink -f "result-$system")"
local host="${sshmap["$system"]:-$system}"
local freespace="$(ssh "$host" -- df -B 1 /nix | awk 'NR == 2 { print $4 }')"
local required="$(nix path-info -S "$store")"
if [ "$required" -ge "$freespace" ]; then
echo "There is not enough space to copy clousure to: $system" >&2
return 1
fi
echo "Copy closure to: $system"
nix copy -s --to "ssh://$host" "$store"
}
setenv() {
local system="$1"
if ! build_validate "$system"; then
echo "System '$system' seems to be not build." >&2
return 1
fi
local store="$(readlink -f "result-$system")"
local host="${sshmap["$system"]:-$system}"
echo "Update system: $system"
if [ "$(ssh "$host" -- readlink -f /nix/var/nix/profiles/system)" != "$store" ]; then
ssh -t "$host" -- \
sudo nix-env --profile /nix/var/nix/profiles/system --set "$store"
fi
}
boot() {
local system="$1"
setenv "$system" || return 1
local store="$(readlink -f "result-$system")"
local host="${sshmap["$system"]:-$system}"
echo "Setting boot system: $system"
ssh -t "$host" -- \
sudo /nix/var/nix/profiles/system/bin/switch-to-configuration boot
}
is_current() {
ssh "$1" -- \
'[ "$(readlink -f /run/current-system)" != "$(readlink -f /nix/var/nix/profiles/system)" ]'
}
switch() {
local system="$1"
setenv "$system" || return 1
local store="$(readlink -f "result-$system")"
local host="${sshmap["$system"]:-$system}"
if is_current "$host"; then
echo "Switching: $system"
ssh -t "$host" -- \
sudo /nix/var/nix/profiles/system/bin/switch-to-configuration switch
else
echo "This system is already running: $system"
fi
}
switch_test() {
local system="$1"
setenv "$system" || return 1
local store="$(readlink -f "result-$system")"
local host="${sshmap["$system"]:-$system}"
if is_current "$host"; then
echo "Testing: $system"
ssh -t "$host" -- \
sudo /nix/var/nix/profiles/system/bin/switch-to-configuration test
else
echo "This system is already running: $system"
fi
}
for_devices() {
for device in "${selected_devices[@]}"; do
for op in "$@"; do
if ! "$op" "$device"; then
echo "Operation '$op' failed for: $device" >&2
break
fi
done
done
}
operation="${1:-}"
[ $# -gt 0 ] && shift
declare -a selected_devices
if [ $# -gt 0 ]; then
for device in "$@"; do
if ! valid_device "$device"; then
echo "No such device: $device" >&2
exit 2
fi
selected_devices+=("$device")
done
else
selected_devices=("${devices[@]}")
fi
case "$operation" in
help|h)
cat <<-EOF
Usage $0 operation [device]...
Local system builder and updater for remote devices.
Operations:
build: build device system
copy: copy built system to the device
boot: set built system to be boot default on the device
switch: switch to the built system on the target device
test: test the built system on the target device
EOF
;;
build|b|"")
for_devices build
;;
copy|c)
for_devices copy
;;
boot)
for_devices boot
;;
switch|s)
for_devices switch
;;
test|t)
for_devices switch_test
;;
build-copy|bc)
for_devices build copy
;;
build-switch|bs)
for_devices build copy switch
;;
build-test|bt)
for_devices build copy switch_test
;;
build-boot|bb)
for_devices build copy boot
;;
default)
echo "Unknown operation: $operation" >&2
exit 2
;;
esac
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