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fix: do not build STREAM_TEE inside a subshell. fixes #25

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Iterate over the variables already exposed by parse_yaml and avoid populating the global variable STREAM_TEE inside a subshell because when a subshell exits the variables are reset.
This commit is contained in:
Martin Wimpress 2024-07-24 17:58:14 +01:00 • committed by Martin Wimpress
commit a79438f0d2
1 changed files with 33 additions and 17 deletions
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stream-sprout
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@ -101,25 +101,41 @@ function add_service() {
}
function get_stream_tee() {
local SERVICE=""
local SERVICE_ENABLED=""
local SERVICE_KEY=""
local SERVICE_NAME=""
local SERVICE_RTMP=""
local URI=""
local URI_ENV=""
local KEY_ENV=""
parse_yaml "${STREAM_SPROUT_CONFIG}" sprout_ | grep '^sprout_services_.*_enabled=' | while read -r SERVICES; do
SERVICE=$(echo "${SERVICES}" | cut -d'_' -f3)
ENABLED=$(echo "${SERVICES}" | cut -d'=' -f2 | tr -d \'\" )
if [[ "${ENABLED,,}" == "true" || "${ENABLED}" == "1" ]]; then
echo -e " \e[35m\U1F4E1\e[0m ${SERVICE}"
# Construct the variable name
URI_ENV="sprout_services_${SERVICE}_rtmp_server"
KEY_ENV="sprout_services_${SERVICE}_key"
# Use indirect expansion to get the value
URI="${!URI_ENV}${!KEY_ENV}"
if [[ ! "${URI}" =~ ^rtmp://.* ]]; then
echo -e " \e[31m\U1F6AB\e[0m ${SERVICE} is not a valid RTMP service URL"
return
# Iterate over all the sprout_services variables
for var in "${!sprout_services@}"; do
# Check the variable matches the pattern: sprout_services_*_enabled
if [[ "${var}" =~ ^sprout_services_.*_enabled$ ]]; then
# Derive the service name
# - First remove `sprout_services_` prefix from the beginning of the value stored in the variable $var.
# - Next remove the suffix `_enabled` from the end of the SERVICE_NAME variable's value.
SERVICE_NAME="${var#sprout_services_}"
SERVICE_NAME="${SERVICE_NAME%_enabled}"
# Get the value of the variable $var
SERVICE_ENABLED="${!var}"
if [[ "${SERVICE_ENABLED,,}" == "true" || "${SERVICE_ENABLED}" == "1" ]]; then
echo -e " \e[35m\U1F4E1\e[0m ${SERVICE_NAME}"
# TODO: This assumes that the RTMP URL and key are set in the YAML file.
# Construct the variable name
SERVICE_RTMP="sprout_services_${SERVICE_NAME}_rtmp_server"
SERVICE_KEY="sprout_services_${SERVICE_NAME}_key"
# Use indirect expansion to get the value
# By concatenating these two indirectly referenced values, URI
# is set to the full URI needed for streaming. For instance, if
# SERVICE_RTMP points to a variable holding rtmp://example.com/live
# and SERVICE_KEY points to a variable holding abcd1234, then URI
# would be set to rtmp://example.com/live/abcd1234.
URI="${!SERVICE_RTMP}/${!SERVICE_KEY}"
if [[ ! "${URI}" =~ ^rtmp://.* ]]; then
echo -e " \e[31m\U1F6AB\e[0m ${SERVICE_NAME} is not a valid RTMP service URL"
continue
fi
add_service "${URI}"
fi
add_service "${URI}"
fi
done
add_archive