Zakaria
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Create groups from a launch template (in the default subnets unless given), change their minimum, desired and maximum capacity, replace or remove an instance, and follow the launches and terminations TheCloud's reconciler makes. Deleting a group terminates its instances. Scaling policies are not offered: the runtime stores them but its alarms only drive ECS scaling.
104 lines
5.0 KiB
TypeScript
104 lines
5.0 KiB
TypeScript
import type {CloudProvider, FieldSchema, ServiceSchema, TableColumnSchema} from './types'
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/** CreateAutoScalingGroup's name rule: 1 to 255 characters, no colon. */
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export const AUTO_SCALING_GROUP_NAME_PATTERN = '^[^:]{1,255}$'
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/** A capacity the console accepts; AWS's own ceiling is far above what a laptop can run. */
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export const AUTO_SCALING_MAX_INSTANCES = 20
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const groupColumns: TableColumnSchema[] = [
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{name: 'name', label: 'Name'},
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{name: 'capacity', label: 'Instances', path: 'metadata.capacity'},
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{name: 'desired', label: 'Desired', path: 'metadata.desiredCapacity'},
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{name: 'min', label: 'Min', path: 'metadata.minSize'},
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{name: 'max', label: 'Max', path: 'metadata.maxSize'},
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{name: 'launchTemplate', label: 'Launch template', path: 'metadata.launchTemplateName', emptyText: '—'},
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{name: 'createdAt', label: 'Created', format: 'datetime'},
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]
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const groupFilters: FieldSchema[] = [{name: 'search', label: 'Search', type: 'text', required: false}]
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const capacity = {pattern: '^\\d{1,2}$', message: `Use a whole number from 0 to ${AUTO_SCALING_MAX_INSTANCES}`}
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export function awsAutoScalingSchema(): ServiceSchema {
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return {
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cloud: 'aws',
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service: 'autoscaling',
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displayName: 'EC2 Auto Scaling groups',
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fields: [
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{
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name: 'name',
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label: 'Name',
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type: 'text',
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required: true,
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validation: {pattern: AUTO_SCALING_GROUP_NAME_PATTERN, message: 'Use up to 255 characters, without a colon'},
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},
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{
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name: 'launchTemplate',
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label: 'Launch template',
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type: 'text',
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required: true,
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description: 'The name or ID (lt-…) of an EC2 launch template. New instances use its image and instance type.',
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},
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{
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name: 'launchTemplateVersion',
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label: 'Template version',
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type: 'text',
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required: false,
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defaultValue: '$Latest',
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description: 'A version number, $Latest or $Default.',
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validation: {pattern: '^(\\d+|\\$Latest|\\$Default)$', message: 'Use a version number, $Latest or $Default'},
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},
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{name: 'minSize', label: 'Minimum', type: 'text', required: true, defaultValue: '1', validation: capacity},
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{name: 'desiredCapacity', label: 'Desired', type: 'text', required: false, defaultValue: '1', validation: capacity, description: 'How many instances to run now. Between the minimum and the maximum.'},
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{name: 'maxSize', label: 'Maximum', type: 'text', required: true, defaultValue: '2', validation: capacity},
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{
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name: 'subnets',
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label: 'Subnets',
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type: 'text',
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required: false,
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span: true,
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description: 'Subnet IDs to launch into, separated by commas. Leave empty for the default subnets.',
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validation: {pattern: '^\\s*subnet-[\\w-]+(\\s*,\\s*subnet-[\\w-]+)*\\s*$', message: 'Use subnet IDs separated by commas'},
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},
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{
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name: 'targetGroupArns',
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label: 'Target groups',
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type: 'textarea',
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required: false,
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span: true,
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description: 'Optional load balancer target group ARNs, one per line. Instances are registered with them as they launch.',
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},
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{
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name: 'healthCheckType',
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label: 'Health check',
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type: 'select',
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required: false,
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defaultValue: 'EC2',
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options: [
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{label: 'EC2 instance status', value: 'EC2'},
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{label: 'Load balancer health checks', value: 'ELB'},
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],
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},
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],
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actions: ['list', 'create', 'delete', 'inspect'],
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capabilities: {
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resourceActions: [
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{name: 'list', label: 'List Auto Scaling groups', enabled: true, status: 'available', runtimeRequired: true},
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{name: 'create', label: 'Create Auto Scaling group', enabled: true, status: 'available', runtimeRequired: true},
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{name: 'delete', label: 'Delete group and its instances', enabled: true, status: 'available', runtimeRequired: true},
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{name: 'inspect', label: 'Inspect Auto Scaling group', enabled: true, status: 'available', runtimeRequired: true},
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],
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autoScalingActions: [
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{name: 'setCapacity', label: 'Change minimum, desired and maximum', enabled: true, status: 'available', runtimeRequired: true},
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{name: 'terminateInstance', label: 'Terminate an instance', enabled: true, status: 'available', runtimeRequired: true},
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],
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},
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filters: groupFilters,
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columns: groupColumns,
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}
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}
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export function autoScalingSchemaFor(cloud: CloudProvider): ServiceSchema | null {
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return cloud === 'aws' ? awsAutoScalingSchema() : null
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}
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