iop
Version:
Ship Docker Anywhere
187 lines • 6.91 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
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Object.defineProperty(o, k2, desc);
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if (k2 === undefined) k2 = k;
o[k2] = m[k];
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.createRuntimeHash = createRuntimeHash;
exports.getLocalImageHash = getLocalImageHash;
exports.isBuiltService = isBuiltService;
exports.createServiceFingerprint = createServiceFingerprint;
exports.shouldRedeploy = shouldRedeploy;
const crypto = __importStar(require("crypto"));
const child_process_1 = require("child_process");
const util_1 = require("util");
const execAsync = (0, util_1.promisify)(child_process_1.exec);
/**
* Creates a runtime hash combining configuration and secrets
* This determines if containers need to be recreated (but not if image needs transfer)
*/
function createRuntimeHash(serviceEntry, secrets) {
const runtimeConfig = {
// Configuration that affects container runtime
ports: serviceEntry.ports?.sort() || [],
volumes: serviceEntry.volumes?.sort() || [],
command: serviceEntry.command,
replicas: serviceEntry.replicas || 1,
restart: serviceEntry.restart,
proxy: serviceEntry.proxy ? {
hosts: serviceEntry.proxy.hosts?.sort() || [],
app_port: serviceEntry.proxy.app_port,
ssl: serviceEntry.proxy.ssl,
ssl_redirect: serviceEntry.proxy.ssl_redirect,
forward_headers: serviceEntry.proxy.forward_headers,
response_timeout: serviceEntry.proxy.response_timeout,
} : undefined,
health_check: serviceEntry.health_check,
// Environment variables (both plain and secret values)
environment: {
plain: serviceEntry.environment?.plain?.sort() || [],
secretValues: (serviceEntry.environment?.secret || [])
.sort()
.reduce((acc, key) => {
if (secrets[key] !== undefined) {
acc[key] = secrets[key];
}
return acc;
}, {}),
},
};
return crypto
.createHash('sha256')
.update(JSON.stringify(runtimeConfig))
.digest('hex')
.substring(0, 12);
}
/**
* Gets the Docker image hash for a locally built image
*/
async function getLocalImageHash(imageName) {
try {
const command = `docker inspect --format='{{.Id}}' ${imageName}:latest`;
const result = await execAsync(command);
const imageId = result.stdout.trim();
return imageId || null;
}
catch (error) {
return null; // Image doesn't exist locally
}
}
/**
* Determines if a service is built locally or uses external image
*/
function isBuiltService(serviceEntry) {
return !!serviceEntry.build;
}
/**
* Creates a service fingerprint based on service type
*/
async function createServiceFingerprint(serviceEntry, secrets, projectName) {
const runtimeHash = createRuntimeHash(serviceEntry, secrets);
if (isBuiltService(serviceEntry)) {
// Built service - get local image hash directly from Docker
// Use same naming convention as getServiceImageName()
const imageName = serviceEntry.name;
const localImageHash = await getLocalImageHash(imageName);
return {
type: 'built',
runtimeHash,
localImageHash: localImageHash || undefined,
};
}
else {
// External service - just track image reference and runtime config
return {
type: 'external',
runtimeHash,
imageReference: serviceEntry.image,
};
}
}
/**
* Determines if a service should be redeployed based on fingerprint comparison
*/
function shouldRedeploy(current, desired) {
// No current fingerprint means first deployment
if (!current) {
return {
shouldRedeploy: true,
reason: 'first deployment',
priority: 'normal',
changeType: 'first-deployment',
needsImageTransfer: true
};
}
// Check for image changes first (highest priority for transfer decisions)
if (desired.type === 'built') {
// Compare local desired image with current server image
if (desired.localImageHash && current.serverImageHash !== desired.localImageHash) {
return {
shouldRedeploy: true,
reason: 'image updated',
priority: 'normal',
changeType: 'image',
needsImageTransfer: true
};
}
}
// For external services, check image reference
if (desired.type === 'external') {
if (current.imageReference !== desired.imageReference) {
return {
shouldRedeploy: true,
reason: 'image version updated',
priority: 'normal',
changeType: 'image',
needsImageTransfer: false // External images are pulled, not transferred
};
}
}
// Runtime changes (config + secrets) - no image transfer needed
if (current.runtimeHash !== desired.runtimeHash) {
return {
shouldRedeploy: true,
reason: 'configuration or secrets changed',
priority: 'critical',
changeType: 'runtime',
needsImageTransfer: false
};
}
return {
shouldRedeploy: false,
reason: 'up-to-date, skipped',
priority: 'optional',
changeType: 'image', // doesn't matter since shouldRedeploy is false
needsImageTransfer: false
};
}
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