Files
mcpctl/src/mcpd/src/services/orchestrator.ts
Michal 0482944056
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feat: add external MCP server support with streamable-http proxy
Support non-containerized MCP servers via externalUrl field and add
streamable-http session management for HA MCP proof of concept.

- Add externalUrl, command, containerPort fields to McpServer schema
- Skip Docker orchestration for external servers (virtual instances)
- Implement streamable-http proxy with Mcp-Session-Id session management
- Parse SSE-framed responses from streamable-http endpoints
- Add command passthrough to Docker container creation
- Create HA MCP example manifest (examples/ha-mcp.yaml)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22 12:21:25 +00:00

67 lines
2.0 KiB
TypeScript

/**
* Container orchestrator abstraction. Implementations can back onto Docker, Podman, or Kubernetes.
*/
export interface ContainerSpec {
/** Docker/OCI image reference */
image: string;
/** Human-readable name (used as container name prefix) */
name: string;
/** Custom command to run (overrides image CMD) */
command?: string[];
/** Environment variables */
env?: Record<string, string>;
/** Host port to bind (null = auto-assign) */
hostPort?: number | null;
/** Container port to expose */
containerPort?: number;
/** Memory limit in bytes (default: 512 MB) */
memoryLimit?: number;
/** CPU period quota (nanoCPUs, default: 0.5 CPU) */
nanoCpus?: number;
/** Labels for identification / filtering */
labels?: Record<string, string>;
/** Network name to attach to */
network?: string;
}
export interface ContainerInfo {
containerId: string;
name: string;
state: 'running' | 'stopped' | 'starting' | 'error' | 'unknown';
port?: number;
createdAt: Date;
}
export interface ContainerLogs {
stdout: string;
stderr: string;
}
export interface McpOrchestrator {
/** Pull an image if not present locally */
pullImage(image: string): Promise<void>;
/** Create and start a container */
createContainer(spec: ContainerSpec): Promise<ContainerInfo>;
/** Stop a running container */
stopContainer(containerId: string, timeoutSeconds?: number): Promise<void>;
/** Remove a stopped container */
removeContainer(containerId: string, force?: boolean): Promise<void>;
/** Get container info */
inspectContainer(containerId: string): Promise<ContainerInfo>;
/** Get container logs */
getContainerLogs(containerId: string, opts?: { tail?: number; since?: number }): Promise<ContainerLogs>;
/** Check if the orchestrator runtime is available */
ping(): Promise<boolean>;
}
/** Default resource limits */
export const DEFAULT_MEMORY_LIMIT = 512 * 1024 * 1024; // 512 MB
export const DEFAULT_NANO_CPUS = 500_000_000; // 0.5 CPU