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Handle docker server failures if others succeed

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This commit is contained in:
Michael Shamoon 2022-12-22 21:16:52 -08:00
parent cac21ebd38
commit 6b90d3ef28
2 changed files with 39 additions and 30 deletions
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63
src/utils/config/service-helpers.js
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@ -44,39 +44,48 @@ export async function servicesFromDocker() {
const serviceServers = await Promise.all(
Object.keys(servers).map(async (serverName) => {
const docker = new Docker(getDockerArguments(serverName).conn);
const containers = await docker.listContainers({
all: true,
});
// bad docker connections can result in a <Buffer ...> object?
// in any case, this ensures the result is the expected array
if (!Array.isArray(containers)) {
return [];
}
const discovered = containers.map((container) => {
let constructedService = null;
Object.keys(container.Labels).forEach((label) => {
if (label.startsWith("homepage.")) {
if (!constructedService) {
constructedService = {
container: container.Names[0].replace(/^\//, ""),
server: serverName,
};
}
shvl.set(constructedService, label.replace("homepage.", ""), container.Labels[label]);
}
try {
const docker = new Docker(getDockerArguments(serverName).conn);
const containers = await docker.listContainers({
all: true,
});
return constructedService;
});
// bad docker connections can result in a <Buffer ...> object?
// in any case, this ensures the result is the expected array
if (!Array.isArray(containers)) {
return [];
}
return { server: serverName, services: discovered.filter((filteredService) => filteredService) };
const discovered = containers.map((container) => {
let constructedService = null;
Object.keys(container.Labels).forEach((label) => {
if (label.startsWith("homepage.")) {
if (!constructedService) {
constructedService = {
container: container.Names[0].replace(/^\//, ""),
server: serverName,
};
}
shvl.set(constructedService, label.replace("homepage.", ""), container.Labels[label]);
}
});
return constructedService;
});
return { server: serverName, services: discovered.filter((filteredService) => filteredService) };
} catch (e) {
// a server failed, but others may succeed
return { server: serverName, services: [] };
}
})
);
if (serviceServers.every(server => server.services.length === 0)) {
throw new Error('All docker servers failed to connect or returned no containers');
}
const mappedServiceGroups = [];
serviceServers.forEach((server) => {