NOISSUE - Introduce computation runner, log forwarder, ingress, and egress proxy services. (#559)

* feat: Introduce computation runner, log forwarder, ingress, and egress proxy services.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: Update Go environment variable parsing and build system to use new architecture and repository.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: Update package sources to `sammyoina/cocos-ai` at a specific commit, add log-forwarder pre-start hook, and rename proxy binaries.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* chore: Update build system references to a specific commit and enhance logging for service connections and message processing.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* build: Update package source repositories and versions, migrate client logging to slog, and adjust ingress/egress proxy build and install steps.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* debug stuck

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* debug

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* debug

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: add HTTP/2 support to egress proxy and update build system to use specific commit hashes

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: enhance egress proxy CONNECT handling, update package sources, and add gRPC test utility

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: Update build system for various services to a specific commit from a new repository, change agent gRPC port to 7001, and add a gRPC test client.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: Migrate agent-internal gRPC communication to Unix sockets, set ingress proxy to port 7002, and update build hashes.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* refactor: Remove standalone ingress-proxy systemd service and update component versions.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* fix: Prevent computation re-initialization in agent and update component versions across several packages.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: update package versions and enable h2c support in ingress proxy.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: refactor ingress proxy to support HTTP/2 over Unix sockets and update component versions.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: Update build system package sources to `ultravioletrs/cocos` and reduce agent logging verbosity.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* refactor: improve error handling in proxy commands and remove unused gRPC test

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* test: add mock service state return value in handleRunReqChunks test

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* feat: add comprehensive tests for service and proxy components

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* fix linter

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* improve coverage

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* test: add gRPC client and ingress adapter tests, and update egress proxy tests.

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

* improve coverage

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

---------

Signed-off-by: Sammy Oina <sammyoina@gmail.com>

init/systemd/cocos-agent.service

@@ -1,16 +1,19 @@
 [Unit]
 Description=Cocos AI agent
-After=network.target attestation-service.service
-Requires=attestation-service.service
+After=network.target attestation-service.service log-forwarder.service computation-runner.service egress-proxy.service
+Requires=log-forwarder.service computation-runner.service egress-proxy.service
 Before=docker.service
 
 [Service]
 WorkingDirectory=/cocos
+Environment="HTTP_PROXY=http://localhost:3128"
+Environment="HTTPS_PROXY=http://localhost:3128"
+Environment="NO_PROXY=localhost,127.0.0.1,.local,/run/cocos/"
+Environment="AGENT_ENABLE_ATLS=false"
 StandardOutput=file:/var/log/cocos/agent.stdout
 StandardError=file:/var/log/cocos/agent.stderr
 EnvironmentFile=/etc/cocos/environment
-ExecStartPre=/cocos_init/agent_setup.sh
-ExecStart=/cocos_init/agent_start_script.sh
+ExecStart=/usr/bin/cocos-agent --config-file=/etc/cocos/cocos-agent.conf
 Restart=always
 RestartSec=5s
 

init/systemd/computation-runner.service

@@ -0,0 +1,20 @@
+[Unit]
+Description=Cocos AI Computation Runner
+After=network.target log-forwarder.service
+Before=cocos-agent.service
+Requires=log-forwarder.service
+
+[Service]
+WorkingDirectory=/cocos
+StandardOutput=file:/var/log/cocos/runner.stdout
+StandardError=file:/var/log/cocos/runner.stderr
+EnvironmentFile=/etc/cocos/environment
+Environment="HTTP_PROXY=http://localhost:3128"
+Environment="HTTPS_PROXY=http://localhost:3128"
+Environment="NO_PROXY=localhost,127.0.0.1,.local,/run/cocos/"
+ExecStart=/usr/bin/computation-runner --socket-path=/run/cocos/runner.sock
+Restart=always
+RestartSec=5s
+
+[Install]
+WantedBy=default.target

init/systemd/egress-proxy.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Cocos Egress Proxy Service
+After=network.target
+
+[Service]
+EnvironmentFile=/etc/cocos/environment
+Environment="COCOS_LOG_LEVEL=debug"
+ExecStart=/usr/bin/egress-proxy --port=3128
+Restart=always
+RestartSec=5
+User=root
+Group=root
+
+[Install]
+WantedBy=multi-user.target

init/systemd/log-forwarder.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=Cocos AI Log Forwarder
+After=network.target
+Before=cocos-agent.service
+
+[Service]
+WorkingDirectory=/cocos
+StandardOutput=file:/var/log/cocos/log-forwarder.stdout
+StandardError=file:/var/log/cocos/log-forwarder.stderr
+EnvironmentFile=/etc/cocos/environment
+ExecStartPre=/cocos_init/agent_setup.sh
+ExecStart=/usr/bin/log-forwarder
+Restart=always
+RestartSec=5s
+
+[Install]
+WantedBy=default.target