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Make agent host configurable #708

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Merged
chombium merged 3 commits into from
Jan 14, 2026
Merged

Make agent host configurable #708

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a8cec91
make agent host configurable
pbusko Jul 10, 2025
dc2c812
Add host property to the relevant jobs
pbusko Oct 2, 2025
ae21a45
revert host changes to most components
loewenstein-sap Jan 14, 2026
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1 change: 1 addition & 0 deletions jobs/loggr-forwarder-agent-windows/monit
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Expand Up @@ -17,6 +17,7 @@
"executable" => "/var/vcap/packages/forwarder-agent-windows/forwarder-agent.exe",
"args" => [],
"env" => {
"AGENT_HOST" => "#{p("host")}",
"AGENT_PORT" => "#{p("port")}",
"AGENT_CA_FILE_PATH" => "#{certs_dir}/loggregator_ca.crt",
"AGENT_CERT_FILE_PATH" => "#{certs_dir}/forwarder.crt",
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3 changes: 3 additions & 0 deletions jobs/loggr-forwarder-agent-windows/spec
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Expand Up @@ -15,6 +15,9 @@ packages:
- forwarder-agent-windows

properties:
host:
description: "Host the agent is serving gRPC via mTLS"
default: "127.0.0.1"
port:
description: "Port the agent is serving gRPC via mTLS"
default: 3458
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3 changes: 3 additions & 0 deletions jobs/loggr-forwarder-agent/spec
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Expand Up @@ -15,6 +15,9 @@ packages:
- forwarder-agent

properties:
host:
description: "Host the agent is serving gRPC via mTLS"
default: "127.0.0.1"
port:
description: "Port the agent is serving gRPC via mTLS"
default: 3458
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1 change: 1 addition & 0 deletions jobs/loggr-forwarder-agent/templates/bpm.yml.erb
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Expand Up @@ -21,6 +21,7 @@
],
},
"env" => {
"AGENT_HOST" => "#{p("host")}",
"AGENT_PORT" => "#{p("port")}",
"AGENT_CA_FILE_PATH" => "#{certs_dir}/loggregator_ca.crt",
"AGENT_CERT_FILE_PATH" => "#{certs_dir}/forwarder.crt",
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2 changes: 2 additions & 0 deletions src/cmd/forwarder-agent/app/config.go
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Expand Up @@ -11,6 +11,7 @@ import (
// GRPC stores the configuration for the router as a server using a PORT
// with mTLS certs and as a client.
type GRPC struct {
Host string `env:"AGENT_HOST, report"`
Port uint16 `env:"AGENT_PORT, report"`
CAFile string `env:"AGENT_CA_FILE_PATH, required, report"`
CertFile string `env:"AGENT_CERT_FILE_PATH, required, report"`
Expand Down Expand Up @@ -40,6 +41,7 @@ type Config struct {
func LoadConfig() Config {
cfg := Config{
GRPC: GRPC{
Host: "127.0.0.1",
Port: 3458,
},
}
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2 changes: 1 addition & 1 deletion src/cmd/forwarder-agent/app/forwarder_agent.go
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Expand Up @@ -139,7 +139,7 @@ func (s *ForwarderAgent) Run() {
rx := v2.NewReceiver(diode, im, omm)

s.v2srv = v2.NewServer(
fmt.Sprintf("127.0.0.1:%d", s.grpc.Port),
fmt.Sprintf("%s:%d", s.grpc.Host, s.grpc.Port),
rx,
grpc.Creds(serverCreds),
grpc.MaxRecvMsgSize(10*1024*1024),
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