Red5 Pro is a real-time video streaming server plaform known for its low-latency streaming capabilities, making it ideal for interactive applications like online gaming, streaming events and video conferencing etc.
This is a reusable Terraform module that provisions infrastructure on Linode Cloud.
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Visit the Terraform download page and ensure you get version 1.7.5 or higher.
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Download the suitable version for your operating system.
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Extract the compressed file and copy the Terraform binary to a location within your system's PATH.
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Configure PATH for Linux/macOS:
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Open a terminal and type the following command:
sudo mv /path/to/terraform /usr/local/bin/
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Configure PATH for Windows:
- Click 'Start', search for 'Control Panel', and open it.
- Navigate to
System > Advanced System Settings > Environment Variables. - Under System variables, find 'PATH' and click 'Edit'.
- Click 'New' and paste the directory location where you extracted the terraform.exe file.
- Confirm changes by clicking 'OK' and close all open windows.
- Open a new terminal and verify that Terraform has been successfully installed.
terraform --version
- Install jq (Linux or Mac OS only) Download
- Linux:
apt install jq - MacOS:
brew install jq
It is used in bash scripts to create/delete Stream Manager node group using API
- Linux:
- Install bc (Linux or Mac OS only) Download
- Linux:
apt install bc - MacOS:
brew install bc
It is used in bash scripts to create/delete Stream Manager node group using API
- Linux:
- Download Red5 Pro server build in your Red5 Pro Account. Example:
red5pro-server-0.0.0.b0-release.zip - Get Red5 Pro License key in your Red5 Pro Account. Example:
1111-2222-3333-4444
- Create LINODE API TOKEN for authentication
- Obtain the necessary credentials and information:
- LINODE API TOKEN
- SSH Key Name (if using existing)
- standalone - Standalone Red5 Pro server
- cluster - Stream Manager 2.0 cluster with autoscaling nodes
- autoscale - Autoscaling Stream Managers 2.0 with autoscaling nodes
Standalone Red5 Pro server (standalone) - Example
In the following example, Terraform module will automates the infrastructure provisioning of the Red5 Pro standalone server.
stream_manager_public_hostname is only for cluster and autoscale deployments. Standalone uses https_ssl_certificate_domain_name when TLS is enabled.
- VPC
- Public subnet
- Firewall
- Firewall for Standalone Red5 Pro server
- SSH key pair (use existing or create a new one)
- Standalone Red5 Pro server instance
- SSL certificate for Standalone Red5 Pro server instance. Options:
none- Red5 Pro server without HTTPS and SSL certificate. Only HTTP on port5080letsencrypt- Red5 Pro server with HTTPS and SSL certificate obtained by Let's Encrypt. HTTP on port5080, HTTPS on port443imported- Red5 Pro server with HTTPS and imported SSL certificate. HTTP on port5080, HTTPS on port443
terraform {
required_version = ">= 1.7.5"
required_providers {
linode = {
source = "linode/linode"
version = ">= 2.32.0"
}
random = {
source = "hashicorp/random"
}
}
}
provider "linode" {
token = "<linode token>"
}
module "red5pro" {
source = "red5pro/red5pro/linode"
type = "standalone" # Deployment type: standalone, cluster, autoscale
name = "red5pro-standalone" # Name to be used on all the resources as identifier
linode_region = "us-lax" # Deployment region
ubuntu_version = "22.04" # Ubuntu version for Red5 Pro servers
path_to_red5pro_build = "./red5pro-server-0.0.0.b0-release.zip" # Absolute path or relative path to Red5 Pro server ZIP file
# SSH key configuration
ssh_key_use_existing = false # true - use existing SSH key, false - create new SSH key
ssh_key_name_existing = "example-key" # SSH key name existing in LINODE
ssh_key_existing_private_key_path = "/PATH/TO/SSH/PRIVATE/KEY/example_private_key.pem" # Path to existing SSH private key
# VPC configuration
vpc_use_existing = false # Use existing VPC or create a new one. true = use existing, false = create new
vpc_name_existing = "example-vpc" # VPC name of existing VPC if vpc_create is false
subnet_name_existing = "example-subnet" # Subnet name of existing subnet if subnet_create is false
# Red5 Pro general configuration
red5pro_license_key = "1111-2222-3333-4444" # Red5 Pro license key (https://account.red5.net/login)
red5pro_api_enable = true # true - enable Red5 Pro server API, false - disable Red5 Pro server API (https://www.red5.net/docs/development/api/overview/)
red5pro_api_key = "example_key" # Red5 Pro server API key (https://www.red5.net/docs/development/api/overview/)
# Standalone Red5 Pro server configuration
standalone_red5pro_instance_type = "g6-dedicated-4" # Linode Instance type for Red5 Pro server
standalone_red5pro_inspector_enable = false # true - enable Red5 Pro server inspector, false - disable Red5 Pro server inspector (https://www.red5.net/docs/troubleshooting/inspector/overview/)
standalone_red5pro_restreamer_enable = false # true - enable Red5 Pro server restreamer, false - disable Red5 Pro server restreamer (https://www.red5.net/docs/special/restreamer/overview/)
standalone_red5pro_socialpusher_enable = false # true - enable Red5 Pro server socialpusher, false - disable Red5 Pro server socialpusher (https://www.red5.net/docs/special/social-media-plugin/overview/)
standalone_red5pro_suppressor_enable = false # true - enable Red5 Pro server suppressor, false - disable Red5 Pro server suppressor
standalone_red5pro_hls_enable = false # true - enable Red5 Pro server HLS, false - disable Red5 Pro server HLS (https://www.red5.net/docs/protocols/hls-plugin/hls-vod/)
standalone_red5pro_round_trip_auth_enable = false # true - enable Red5 Pro server round trip authentication, false - disable Red5 Pro server round trip authentication (https://www.red5.net/docs/special/round-trip-auth/overview/)
standalone_red5pro_round_trip_auth_host = "round-trip-auth.example.com" # Round trip authentication server host
standalone_red5pro_round_trip_auth_port = 3000 # Round trip authentication server port
standalone_red5pro_round_trip_auth_protocol = "http" # Round trip authentication server protocol
standalone_red5pro_round_trip_auth_endpoint_validate = "/validateCredentials" # Round trip authentication server endpoint for validate
standalone_red5pro_round_trip_auth_endpoint_invalidate = "/invalidateCredentials" # Round trip authentication server endpoint for invalidate
# Standalone Red5 Pro server HTTPS (SSL) certificate configuration
https_ssl_certificate = "none" # none - do not use HTTPS/SSL certificate, letsencrypt - create new Let's Encrypt HTTPS/SSL certificate, imported - use existing HTTPS/SSL certificate
# Example of Let's Encrypt HTTPS/SSL certificate configuration - please uncomment and provide your domain name and email
# https_ssl_certificate = "letsencrypt"
# https_ssl_certificate_domain_name = "red5pro.example.com" # FQDN on the certificate and in browser HTTPS URLs for this server
# https_ssl_certificate_email = "email@example.com" # Replace with your email
# Example of imported HTTPS/SSL certificate configuration - please uncomment and provide your domain name, certificate and key paths
# https_ssl_certificate = "imported"
# https_ssl_certificate_domain_name = "red5pro.example.com" # FQDN on the certificate and in browser HTTPS URLs for this server
# https_ssl_certificate_cert_path = "/PATH/TO/SSL/CERT/fullchain.pem" # Path to cert file or full chain file
# https_ssl_certificate_key_path = "/PATH/TO/SSL/KEY/privkey.pem" # Path to privkey file
}
output "module_output" {
value = module.red5pro
}Stream Manager 2.0 cluster with autoscaling nodes (cluster) - Example
In the following example, Terraform module will automates the infrastructure provisioning of the Stream Manager 2.0 cluster with Red5 Pro (SM2.0) Autoscaling node group (origins, edges, transcoders, relays)
Set stream_manager_public_hostname to the DNS name clients use for Stream Manager (e.g. sm.example.com). It configures Traefik, the admin UI API base URL, and outputs such as stream_manager_url_https. Use a real FQDN, not a wildcard. https_ssl_certificate_domain_name is separate: it identifies the TLS certificate (and may be a wildcard like *.example.com or an ACM primary name) as long as the cert covers stream_manager_public_hostname.
- VPC
- Public subnet
- Firewall
- Firewall for Stream Manager 2.0
- Firewall for Kafka Instance
- Firewall for Red5 Pro (SM2.0) Autoscaling nodes
- SSH key pair (use existing or create a new one)
- Standalone Kafka instance (optional)
- Stream Manager 2.0 instance. Optionally include a Kafka server on the same instance.
- SSL certificate for Stream Manager 2.0 instance. Options:
none- Stream Manager 2.0 without HTTPS and SSL certificate. Only HTTP on port80letsencrypt- Stream Manager 2.0 with HTTPS and SSL certificate obtained by Let's Encrypt. HTTP on port80, HTTPS on port443imported- Stream Manager 2.0 with HTTPS and imported SSL certificate. HTTP on port80, HTTPS on port443
- Red5 Pro (SM2.0) node instance image (origins, edges, transcoders, relays)
- Red5 Pro (SM2.0) Autoscaling node group (origins, edges, transcoders, relays)
terraform {
required_version = ">= 1.7.5"
required_providers {
linode = {
source = "linode/linode"
version = ">= 2.32.0"
}
random = {
source = "hashicorp/random"
}
}
}
provider "linode" {
token = "<linode token>"
}
module "red5pro" {
source = "red5pro/red5pro/linode"
type = "cluster" # Deployment type: standalone, cluster, autoscale
name = "red5pro-cluster" # Name to be used on all the resources as identifier
linode_region = "us-lax" # Deployment region
ubuntu_version = "22.04" # Ubuntu version for Red5 Pro servers
path_to_red5pro_build = "./red5pro-server-0.0.0.b0-release.zip" # Absolute path or relative path to Red5 Pro server ZIP file
linode_api_token = "<linode token>" # Linode API token from Linode Cloud
# SSH key configuration
ssh_key_use_existing = false # true - use existing SSH key, false - create new SSH key
ssh_key_name_existing = "example-key" # SSH key name existing in LINODE
ssh_key_existing_private_key_path = "/PATH/TO/SSH/PRIVATE/KEY/example_private_key.pem" # Path to existing SSH private key
# VPC configuration
vpc_use_existing = false # Use existing VPC or create a new one. true = use existing, false = create new
vpc_name_existing = "example-vpc" # VPC name of existing VPC if vpc_create is false
subnet_name_existing = "example-subnet" # Subnet name of existing subnet if subnet_create is false
# Red5 Pro general configuration
red5pro_license_key = "1111-2222-3333-4444" # Red5 Pro license key (https://account.red5.net/login)
red5pro_api_enable = true # true - enable Red5 Pro server API, false - disable Red5 Pro server API (https://www.red5.net/docs/development/api/overview/)
red5pro_api_key = "example_key" # Red5 Pro server API key (https://www.red5.net/docs/development/api/overview/)
# Stream Manager 2.0 instance configuration
stream_manager_instance_type = "g6-dedicated-4" # Linode Instance type for Stream Manager
stream_manager_auth_user = "example_user" # Stream Manager 2.0 authentication user name
stream_manager_auth_password = "example_password" # Stream Manager 2.0 authentication password
stream_manager_proxy_user = "example_proxy_user" # Stream Manager 2.0 proxy user name
stream_manager_proxy_password = "example_proxy_password" # Stream Manager 2.0 proxy password
stream_manager_spatial_user = "example_spatial_user" # Stream Manager 2.0 spatial user name
stream_manager_spatial_password = "example_spatial_password" # Stream Manager 2.0 spatial password
stream_manager_version = "latest" # Stream Manager 2.0 docker images version (latest, 14.1.0, 14.1.1, etc.) - https://hub.docker.com/r/red5pro/as-admin/tags
stream_manager_public_hostname = "sm.example.com" # Required: public FQDN for Traefik, admin UI, and HTTPS URLs (not a wildcard). Point DNS A record at the Stream Manager IP from outputs.
# Kafka standalone instance configuration - (Optional)
kafka_standalone_instance_create = false # true - create new Kafka standalone instance, false - not create new Kafka standalone instance and use Kafka on the Stream Manager 2.0 instance
kafka_standalone_instance_type = "g6-dedicated-8" # Linode Instance type for Kafka standalone instance
# Stream Manager 2.0 server HTTPS (SSL) certificate configuration
https_ssl_certificate = "none" # none - do not use HTTPS/SSL certificate, letsencrypt - create new Let's Encrypt HTTPS/SSL certificate, imported - use existing HTTPS/SSL certificate
# Example of Let's Encrypt HTTPS/SSL certificate configuration - please uncomment and provide your domain name and email
# https_ssl_certificate = "letsencrypt"
# https_ssl_certificate_domain_name = "red5pro.example.com" # Cert domain name (may be *.example.com); must cover stream_manager_public_hostname
# https_ssl_certificate_email = "email@example.com" # Replace with your email
# Example of imported HTTPS/SSL certificate configuration - please uncomment and provide your domain name, certificate and key paths
# https_ssl_certificate = "imported"
# https_ssl_certificate_domain_name = "red5pro.example.com" # Cert domain name (may be *.example.com); must cover stream_manager_public_hostname
# https_ssl_certificate_cert_path = "/PATH/TO/SSL/CERT/fullchain.pem" # Path to cert file or full chain file
# https_ssl_certificate_key_path = "/PATH/TO/SSL/KEY/privkey.pem" # Path to privkey file
# Red5 Pro autoscaling Node image configuration
node_image_create = true # Default: true for Autoscaling and Cluster, true - create new Red5 Pro Node image, false - do not create new Red5 Pro Node image
node_image_instance_type = "g6-dedicated-4" # Instance type for Red5 Pro Node image
# Extra configuration for Red5 Pro autoscaling nodes
# Webhooks configuration - (Optional) https://www.red5.net/docs/special/webhooks/overview/
node_config_webhooks = {
enable = false,
target_nodes = ["origin", "edge", "transcoder"],
webhook_endpoint = "https://test.webhook.app/api/v1/broadcast/webhook"
}
# Round trip authentication configuration - (Optional) https://www.red5.net/docs/special/authplugin/simple-auth/
node_config_round_trip_auth = {
enable = false,
target_nodes = ["origin", "edge", "transcoder"],
auth_host = "round-trip-auth.example.com",
auth_port = 443,
auth_protocol = "https://",
auth_endpoint_validate = "/validateCredentials",
auth_endpoint_invalidate = "/invalidateCredentials"
}
# Restreamer configuration - (Optional) https://www.red5.net/docs/special/restreamer/overview/
node_config_restreamer = {
enable = false,
target_nodes = ["origin", "transcoder"],
restreamer_tsingest = true,
restreamer_ipcam = true,
restreamer_whip = true,
restreamer_srtingest = true
}
# Social Pusher configuration - (Optional) https://www.red5.net/docs/development/social-media-plugin/rest-api/
node_config_social_pusher = {
enable = false,
target_nodes = ["origin", "edge", "transcoder"],
}
# Red5 Pro autoscaling Node group - (Optional)
node_group_create = true # Linux or Mac OS only. true - create new Node group, false - not create new Node group
node_group_origins_min = 1 # Number of minimum Origins
node_group_origins_max = 20 # Number of maximum Origins
node_group_origins_instance_type = "g6-dedicated-2" # Origins Linode Instance Type
node_group_origins_volume_size = 50 # Volume size in GB for Origins
node_group_origins_connection_limit = 20 # Maximum number of publishers to the origin server
node_group_edges_min = 1 # Number of minimum Edges
node_group_edges_max = 40 # Number of maximum Edges
node_group_edges_instance_type = "g6-dedicated-2" # Edges Linode Instance Type
node_group_edges_volume_size = 50 # Volume size in GB for Edges
node_group_edges_connection_limit = 200 # Maximum number of subscribers to the edge server
node_group_transcoders_min = 0 # Number of minimum Transcoders
node_group_transcoders_max = 20 # Number of maximum Transcoders
node_group_transcoders_instance_type = "g6-dedicated-2" # Transcoders Linode Instance Type
node_group_transcoders_volume_size = 50 # Volume size in GB for Transcoders
node_group_transcoders_connection_limit = 20 # Maximum number of publishers to the transcoder server
node_group_relays_min = 0 # Number of minimum Relays
node_group_relays_max = 20 # Number of maximum Relays
node_group_relays_instance_type = "g6-dedicated-2" # Relays Linode Instance Type
node_group_relays_volume_size = 50 # Volume size in GB for Relays
}
output "module_output" {
value = module.red5pro
}Autoscaling Stream Managers 2.0 with autoscaling nodes (autoscale) - Example
In the following example, Terraform module will automates the infrastructure provisioning of the Autoscale Stream Managers 2.0 with Red5 Pro (SM2.0) Autoscaling node group (origins, edges, transcoders, relays)
Set stream_manager_public_hostname to the DNS name clients use (e.g. sm.example.com); point DNS at the load balancer hostname from outputs. It configures Traefik, the admin UI, and stream_manager_url_https. Use a concrete FQDN, not a wildcard. https_ssl_certificate_domain_name selects the ACM / TLS identity and may be a wildcard if it covers this hostname.
- VPC
- Public subnet
- Firewall
- Firewall for Stream Manager 2.0
- Firewall for Kafka Instance
- Firewall for Red5 Pro (SM2.0) Autoscaling nodes
- SSH key pair (use existing or create a new one)
- Standalone Kafka instance
- Stream Manager 2.0 instance image
- Stream Manager 2.0 instance based on node count
- Node Balancer Configuration
- Attaching Node Balancer for Stream Manager 2.0 instances
- SSL certificate for Noad Balancer. Options:
none- Load Balancer without HTTPS and SSL certificate. Only HTTP on port80imported- Load Balancer with HTTPS and imported SSL certificate. HTTP on port80, HTTPS on port443
- Red5 Pro (SM2.0) node instance image (origins, edges, transcoders, relays)
- Red5 Pro (SM2.0) Autoscaling node group (origins, edges, transcoders, relays)
terraform {
required_version = ">= 1.7.5"
required_providers {
linode = {
source = "linode/linode"
version = ">= 2.32.0"
}
random = {
source = "hashicorp/random"
}
}
}
provider "linode" {
token = "<linode token>"
}
module "red5pro" {
source = "red5pro/red5pro/linode"
type = "autoscale" # Deployment type: standalone, cluster, autoscale
name = "red5pro-auto" # Name to be used on all the resources as identifier
linode_region = "us-lax" # Deployment region
ubuntu_version = "22.04" # Ubuntu version for Red5 Pro servers
path_to_red5pro_build = "./red5pro-server-0.0.0.b0-release.zipp" # Absolute path or relative path to Red5 Pro server ZIP file
linode_api_token = "<linode token>" # Linode API token from Linode Cloud
# SSH key configuration
ssh_key_use_existing = false # true - use existing SSH key, false - create new SSH key
ssh_key_name_existing = "example-key" # SSH key name existing in LINODE
ssh_key_existing_private_key_path = "PATH/TO/SSH/PRIVATE/KEY/example_private_key.pem" # Path to existing SSH private key
# VPC configuration
vpc_use_existing = false # Use existing VPC or create a new one. true = use existing, false = create new
vpc_name_existing = "example-vpc" # VPC name of existing VPC if vpc_create is false
subnet_name_existing = "example-subnet" # Subnet name of existing subnet if subnet_create is false
# Red5 Pro general configuration
red5pro_license_key = "1111-2222-3333-4444" # Red5 Pro license key (https://account.red5.net/login)
red5pro_api_enable = true # true - enable Red5 Pro server API, false - disable Red5 Pro server API (https://www.red5.net/docs/development/api/overview/)
red5pro_api_key = "example_key" # Red5 Pro server API key (https://www.red5.net/docs/development/api/overview/)
# Kafka standalone instance configuration
kafka_standalone_instance_type = "g6-dedicated-8" # Linode Instance type for Kafka standalone instance
# Stream Manager 2.0 instance configuration
stream_manager_instance_type = "g6-dedicated-4" # Linode Instance type for Stream Manager
stream_manager_auth_user = "example_user" # Stream Manager 2.0 authentication user name
stream_manager_auth_password = "example_password" # Stream Manager 2.0 authentication passwordssword
stream_manager_count = 1 # Stream Manager 2.0 instance count
stream_manager_proxy_user = "example_proxy_user" # Stream Manager 2.0 proxy user name
stream_manager_proxy_password = "example_proxy_password" # Stream Manager 2.0 proxy password
stream_manager_spatial_user = "example_spatial_user" # Stream Manager 2.0 spatial user name
stream_manager_spatial_password = "example_spatial_password" # Stream Manager 2.0 spatial password
stream_manager_version = "latest" # Stream Manager 2.0 docker images version (latest, 14.1.0, 14.1.1, etc.) - https://hub.docker.com/r/red5pro/as-admin/tags
stream_manager_public_hostname = "sm.example.com" # Required: public FQDN for Traefik, admin UI, and HTTPS URLs (not a wildcard). Point DNS A/alias at the load balancer DNS name from outputs.
# Stream Manager 2.0 Load Balancer HTTPS (SSL) certificate configuration
https_ssl_certificate = "none" # none - do not use HTTPS/SSL certificate, imported - import existing HTTPS/SSL certificate
# Example of imported HTTPS/SSL certificate configuration - please uncomment and provide your domain name, certificate and key paths
# https_ssl_certificate = "imported"
# https_ssl_certificate_domain_name = "red5pro.example.com" # Cert domain name (may be *.example.com); must cover stream_manager_public_hostname
# https_ssl_certificate_cert_path = "/PATH/TO/SSL/CERT/fullchain.pem" # Path to certificate fullchain file
# https_ssl_certificate_key_path = "/PATH/TO/SSL/KEY/privkey.pem" # Path to certificate privkey file
# Red5 Pro autoscaling Node image configuration
node_image_create = true # Default: true for Autoscaling and Cluster, true - create new Red5 Pro Node image, false - do not create new Red5 Pro Node image
node_image_instance_type = "g6-dedicated-4" # Instance type for Red5 Pro Node image
# Extra configuration for Red5 Pro autoscaling nodes
# Webhooks configuration - (Optional) https://www.red5.net/docs/special/webhooks/overview/
node_config_webhooks = {
enable = false,
target_nodes = ["origin", "edge", "transcoder"],
webhook_endpoint = "https://test.webhook.app/api/v1/broadcast/webhook"
}
# Round trip authentication configuration - (Optional) https://www.red5.net/docs/special/authplugin/simple-auth/
node_config_round_trip_auth = {
enable = false,
target_nodes = ["origin", "edge", "transcoder"],
auth_host = "round-trip-auth.example.com",
auth_port = 443,
auth_protocol = "https://",
auth_endpoint_validate = "/validateCredentials",
auth_endpoint_invalidate = "/invalidateCredentials"
}
# Restreamer configuration - (Optional) https://www.red5.net/docs/special/restreamer/overview/
node_config_restreamer = {
enable = false,
target_nodes = ["origin", "transcoder"],
restreamer_tsingest = true,
restreamer_ipcam = true,
restreamer_whip = true,
restreamer_srtingest = true
}
# Social Pusher configuration - (Optional) https://www.red5.net/docs/development/social-media-plugin/rest-api/
node_config_social_pusher = {
enable = false,
target_nodes = ["origin", "edge", "transcoder"],
}
# Red5 Pro autoscaling Node group - (Optional)
node_group_create = true # Linux or Mac OS only. true - create new Node group, false - not create new Node group
node_group_origins_min = 1 # Number of minimum Origins
node_group_origins_max = 20 # Number of maximum Origins
node_group_origins_instance_type = "g6-dedicated-2" # Origins Linode Instance Type
node_group_origins_volume_size = 50 # Volume size in GB for Origins
node_group_origins_connection_limit = 20 # Maximum number of publishers to the origin server
node_group_edges_min = 1 # Number of minimum Edges
node_group_edges_max = 40 # Number of maximum Edges
node_group_edges_instance_type = "g6-dedicated-2" # Edges Linode Instance Type
node_group_edges_volume_size = 50 # Volume size in GB for Edges
node_group_edges_connection_limit = 200 # Maximum number of subscribers to the edge server
node_group_transcoders_min = 0 # Number of minimum Transcoders
node_group_transcoders_max = 20 # Number of maximum Transcoders
node_group_transcoders_instance_type = "g6-dedicated-2" # Transcoders Linode Instance Type
node_group_transcoders_volume_size = 50 # Volume size in GB for Transcoders
node_group_transcoders_connection_limit = 20 # Maximum number of publishers to the transcoder server
node_group_relays_min = 0 # Number of minimum Relays
node_group_relays_max = 20 # Number of maximum Relays
node_group_relays_instance_type = "g6-dedicated-2" # Relays Linode Instance Type
node_group_relays_volume_size = 50 # Volume size in GB for Relays
}
output "module_output" {
value = module.red5pro
}
- WebRTC broadcast does not work in WEB browsers without an HTTPS (SSL) certificate.
- To activate HTTPS/SSL, you need to add a DNS A record for the public IP address of your Red5 Pro server or Stream Manager 2.0.