mirror of
https://github.com/alexbelgium/hassio-addons.git
synced 2026-01-10 09:51:02 +01:00
Update 01-config_yaml.sh
This commit is contained in:
Alexandre
@@ -1,155 +1,100 @@
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#!/usr/bin/with-contenv bashio
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# shellcheck shell=bash
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# shellcheck disable=SC2155,SC1087,SC2163,SC2116,SC2086
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# -----------------------------------------------------------------------------
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# Robust environment‑variable loader for Home‑Assistant add‑ons
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# • Parses YAML with embedded Python, no external yq dependency
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# • Supports !secret look‑ups
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# • Correctly escapes values containing quotes, $, \\ , newlines …
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# • Exports to: shell, env.py, .env, /etc/environment, s6, service scripts
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# -----------------------------------------------------------------------------
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set -euo pipefail
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##################
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# INITIALIZATION #
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##################
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slug="${HOSTNAME/-/_}" ; slug="${slug#*_}"
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# Run outside HA? then do nothing
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if [[ ! -d /config ]] || ! bashio::supervisor.ping &>/dev/null; then
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echo "..."
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exit 0
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fi
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slug="${HOSTNAME/-/_}"
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slug="${slug#*_}"
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# -----------------------------------------------------------------------------
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# Resolve CONFIGSOURCE #
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# -----------------------------------------------------------------------------
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# CONFIG FILE
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if [[ ! -f /config/configuration.yaml && ! -f /config/configuration.json ]]; then
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CONFIGLOCATION="/config" # New architecture
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CONFIGFILEBROWSER="/addon_configs/${HOSTNAME/-/_}/config.yaml"
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CONFIGLOCATION="/config"
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else
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CONFIGLOCATION="/config/addons_config/${slug}" # Legacy architecture
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CONFIGFILEBROWSER="/homeassistant/addons_config/${slug}/config.yaml"
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CONFIGLOCATION="/config/addons_config/${slug}"
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fi
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mkdir -p "$CONFIGLOCATION"
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CONFIGSOURCE="$CONFIGLOCATION/config.yaml"
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if bashio::config.has_value 'CONFIG_LOCATION'; then
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CONFIGSOURCE="$(bashio::config "CONFIG_LOCATION")"
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[[ "$CONFIGSOURCE" == *.* ]] && CONFIGSOURCE="$(dirname "$CONFIGSOURCE")"
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[[ "$CONFIGSOURCE" != *.yaml ]] && CONFIGSOURCE="${CONFIGSOURCE%/}/config.yaml"
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case "$CONFIGSOURCE" in
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/share/* | /config/* | /data/*) : ;;
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*) bashio::log.red "CONFIG_LOCATION must be in /share, /config or /data – defaulting." && CONFIGSOURCE="$CONFIGLOCATION/config.yaml" ;;
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esac
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CONFIGSOURCE="$(bashio::config "CONFIG_LOCATION")"
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[[ "$CONFIGSOURCE" == *.* ]] && CONFIGSOURCE="$(dirname "$CONFIGSOURCE")"
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[[ "$CONFIGSOURCE" != *.yaml ]] && CONFIGSOURCE="${CONFIGSOURCE%/}/config.yaml"
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case "$CONFIGSOURCE" in
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/share/*|/config/*|/data/*) :;;
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*) bashio::log.red "CONFIG_LOCATION must be in /share, /config or /data – reverting." && CONFIGSOURCE="$CONFIGLOCATION/config.yaml";;
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esac
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fi
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if [[ "$CONFIGLOCATION" == "/config" && -f "/homeassistant/addons_config/${slug}/config.yaml" && ! -L "/homeassistant/addons_config/${slug}" ]]; then
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echo "Migrating config.yaml to $CONFIGLOCATION"
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mv "/homeassistant/addons_config/${slug}/config.yaml" "$CONFIGSOURCE"
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echo "Migrating config.yaml to $CONFIGLOCATION"
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mv "/homeassistant/addons_config/${slug}/config.yaml" "$CONFIGSOURCE"
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fi
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chmod -R 755 "$(dirname "$CONFIGSOURCE")"
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####################
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# CONFIG TEMPLATE #
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####################
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HAS_PYTHON=false; command -v python3 &>/dev/null && HAS_PYTHON=true
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HAS_YQ=false; command -v yq &>/dev/null && HAS_YQ=true
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$HAS_PYTHON || bashio::log.yellow "python3 not found – /env.py export disabled."
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$HAS_YQ || bashio::log.yellow "yq not found – YAML parsing will use fallback parser."
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if [[ ! -f "$CONFIGSOURCE" ]]; then
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echo "... no config file, creating one from template."
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mkdir -p "$(dirname "$CONFIGSOURCE")"
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if [[ -f /templates/config.yaml ]]; then
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cp /templates/config.yaml "$CONFIGSOURCE"
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else
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curl -fsSL "https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/.templates/config.template" -o "$CONFIGSOURCE"
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fi
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bashio::log.green "Edit $CONFIGSOURCE then restart the add‑on."
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echo "… no config file, creating one from template."
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mkdir -p "$(dirname "$CONFIGSOURCE")"
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if [[ -f /templates/config.yaml ]]; then
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cp /templates/config.yaml "$CONFIGSOURCE"
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else
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curl -fsSL "https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/.templates/config.template" -o "$CONFIGSOURCE"
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fi
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bashio::log.green "Edit $CONFIGSOURCE then restart the add‑on."
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fi
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if ! grep -qE '^[[:space:]]*[A-Za-z0-9_]+:' "$CONFIGSOURCE"; then
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bashio::log.green "... no env variables found, exiting"
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exit 0
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fi
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shell_escape() { printf '%q' "$1"; }
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############################################
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# HELPER: read_yaml() (Python) #
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############################################
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# Prints flattened KEY=value lines for scalar leaves.
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read_yaml() {
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python3 - "$1" <<'PY'
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import sys, yaml, json, pathlib
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from collections.abc import Mapping, Sequence
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def walk(node, prefix=""):
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if isinstance(node, Mapping):
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for k, v in node.items():
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yield from walk(v, f"{prefix}{k}_")
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elif isinstance(node, Sequence) and not isinstance(node, (str, bytes)):
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for i, v in enumerate(node):
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yield from walk(v, f"{prefix}{i}_")
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else:
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yield prefix[:-1], node
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fname = sys.argv[1]
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with open(fname, 'r') as f:
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data = yaml.safe_load(f) or {}
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for k, v in walk(data):
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if isinstance(v, (str, int, float, bool)):
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print(f"{k}={v}")
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PY
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read_config() {
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local file="$1"
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if $HAS_YQ; then
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yq eval 'to_entries | .[] | select(.key|test("^[#_]")|not) | "\(.key)=\(.value)"' "$file" 2>/dev/null
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return
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fi
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awk '
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BEGIN{FS=":"}
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/^[ \t]*#/ {next} # skip comment lines
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/^[ \t]*$/ {next} # skip blank lines
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/^[ \t]*[_#]/ {next} # skip keys starting with _ or #
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match($0, /^[[:space:]]*([A-Za-z0-9][A-Za-z0-9_]*)[[:space:]]*:[[:space:]]*(.*)$/, m) {
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key=m[1]; val=m[2]
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gsub(/^['\"]|['\"]$/,"",val) # remove surrounding quotes
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print key "=" val
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}
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' "$file"
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}
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############################################
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# HELPER: shell_escape() #
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############################################
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# Uses printf %q – POSIX‑sh safe quoting.
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shell_escape() {
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printf '%q' "$1"
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}
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############################################
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# Locate secrets.yaml #
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############################################
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SECRETSFILE="/config/secrets.yaml"
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[[ -f "$SECRETSFILE" ]] || SECRETSFILE="/homeassistant/secrets.yaml"
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get_secret() {
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python3 - "$SECRETSFILE" "$1" <<'PY'
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import sys, yaml, pathlib
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sec, key = sys.argv[1:3]
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try:
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with open(sec) as f:
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data = yaml.safe_load(f) or {}
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print(data.get(key, ""))
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except FileNotFoundError:
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pass
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PY
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local name="$1"
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if $HAS_YQ; then
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yq eval ".${name}" "$SECRETSFILE" 2>/dev/null || true
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else
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grep -m1 "^${name}:" "$SECRETSFILE" 2>/dev/null | sed 's/.*:[[:space:]]*//'
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fi
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}
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############################################
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# MAIN LOOP #
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############################################
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while IFS= read -r PAIR; do
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KEY="${PAIR%%=*}"
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VALUE="${PAIR#*=}"
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# !secret support
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if [[ "$VALUE" =~ ^!secret[[:space:]]+(.+) ]]; then
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NAME="${BASH_REMATCH[1]}"
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VALUE="$(get_secret "$NAME")"
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[[ -z "$VALUE" ]] && bashio::exit.nok "Secret '$NAME' not found in $SECRETSFILE"
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fi
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SAFE_VALUE=$(shell_escape "$VALUE")
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# 1) Export to current shell
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export "$KEY=$VALUE"
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# 2) env.py (idempotent)
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python3 - "$KEY" "$VALUE" <<'PY'
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while IFS= read -r LINE; do
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[[ -z "$LINE" || "$LINE" != *=* ]] && continue
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KEY="${LINE%%=*}"
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VALUE="${LINE#*=}"
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# !secret handling
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if [[ "$VALUE" =~ ^!secret[[:space:]]+(.+) ]]; then
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NAME="${BASH_REMATCH[1]}"
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VALUE="$(get_secret "$NAME")"
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[[ -z "$VALUE" ]] && bashio::exit.nok "Secret '$NAME' not found in $SECRETSFILE"
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fi
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VALUE="${VALUE##[[:space:]]}" ; VALUE="${VALUE%%[[:space:]]}"
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SAFE_VALUE=$(shell_escape "$VALUE")
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export "$KEY=$VALUE"
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if $HAS_PYTHON; then
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python3 - "$KEY" "$VALUE" <<'PY'
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import json, os, pathlib, sys
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k, v = sys.argv[1:3]
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p = pathlib.Path('/env.py')
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@@ -159,28 +104,17 @@ with p.open('a') as f:
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f.write(f"os.environ[{json.dumps(k)}] = {json.dumps(v)}\n")
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os.environ[k] = v
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PY
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# 3) .env & /etc/environment (double‑quoted, internal " escaped)
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env_val="${VALUE//\"/\"}"
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printf '%s="%s"\n' "$KEY" "$env_val" >>/.env
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printf '%s="%s"\n' "$KEY" "$env_val" >>/etc/environment
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# 4) s6 container_environment (raw value)
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if [[ -d /var/run/s6/container_environment ]]; then
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printf '%s' "$VALUE" >"/var/run/s6/container_environment/$KEY"
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fi
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# 5) Prepend export to service scripts
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for script in /etc/services.d/*/*run* /etc/cont-init.d/*run*; do
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[[ -f $script ]] || continue
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grep -q "^export $KEY=" "$script" || sed -i "1i export $KEY=$SAFE_VALUE" "$script"
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done
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# 6) Persist for interactive shells
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grep -q "^export $KEY=" ~/.bashrc || echo "export $KEY=$SAFE_VALUE" >>~/.bashrc
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# 7) Log (truncate long values)
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bashio::log.blue "$KEY='${VALUE:0:60}'${VALUE:60:+…}"
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done < <(read_yaml "$CONFIGSOURCE")
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fi
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env_val="${VALUE//"/\"}"
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printf '%s="%s"\n' "$KEY" "$env_val" >> /.env
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printf '%s="%s"\n' "$KEY" "$env_val" >> /etc/environment
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[[ -d /var/run/s6/container_environment ]] && printf '%s' "$VALUE" > "/var/run/s6/container_environment/$KEY"
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for script in /etc/services.d/*/*run* /etc/cont-init.d/*run*; do
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[[ -f $script ]] || continue
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grep -q "^export $KEY=" "$script" || sed -i "1i export $KEY=$SAFE_VALUE" "$script"
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done
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grep -q "^export $KEY=" ~/.bashrc || echo "export $KEY=$SAFE_VALUE" >> ~/.bashrc
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bashio::log.blue "$KEY='${VALUE:0:60}'${VALUE:60:+…}"
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done < <(read_config "$CONFIGSOURCE")
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bashio::log.green "Environment variables successfully loaded."
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