Module: Builder

Defined in:
lib/citasks/ci_lib.rb

Class Method Summary collapse

Class Method Details

.create_dockerfile ⇒ Object 



481
482
483
484
485
486
487
488
489
490
491
492
 
# File 'lib/citasks/ci_lib.rb', line 481

def self.create_dockerfile
  File.open "Dockerfile", "w" do |fh|
    fh.puts "      FROM alpine\n      ADD myhandler /\n      RUN chmod a+rx /myhandler\n      ENV LISTENING_PORT 80\n\n      CMD [\"/myhandler\"]\n    EOF\n  end\nend\n"

.create_env(app_name) ⇒ Object 



301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
 
# File 'lib/citasks/ci_lib.rb', line 301

def self.create_env app_name
  _write ".env.build", "    IMAGE_NAME=\#{app_name}\n\n    PRIVATE_DOCKER_REGISTRY_NAME=\#{ENV[\"ICP_REGISTRY_HOSTNAME\"]}\n    PRIVATE_DOCKER_REGISTRY_PORT=8500\n    PRIVATE_DOCKER_REGISTRY_IP=\#{ENV[\"ICP_MASTER_IP\"]}\n    PRIVATE_DOCKER_REGISTRY_NAMESPACE=\#{ENV[\"PRIVATE_DOCKER_REGISTRY_NAMESPACE\"]}\n\n    PRIVATE_DOCKER_REGISTRY_USER=admin\n    PRIVATE_DOCKER_REGISTRY_USER_PASSWORD=admin\n\n    PRIVATE_DOCKER_REGISTRY_PULL_SECRET=\#{ENV[\"IMAGE_PULL_SECRET\"]}\n\n    K8S_NAMESPACE=\#{ENV[\"K8S_NAMESPACE\"]}\n  EOF\nend\n"

.create_k8_file(namespace, app_name, pull_secret = ENV["IMAGE_PULL_SECRET"]) ⇒ Object 



494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
 
# File 'lib/citasks/ci_lib.rb', line 494

def self.create_k8_file namespace, app_name, pull_secret=ENV["IMAGE_PULL_SECRET"]
  _write "#{app_name}.k8.template.yaml", "    apiVersion: extensions/v1beta1\n    kind: Deployment\n    metadata:\n      namespace: \#{namespace}\n      name: \#{app_name}\n      labels:\n        app: \#{app_name}\n        type: jenkins-build\n    spec:\n      replicas: 2\n      template:\n        metadata:\n          labels:\n            app: \#{app_name}\n        spec:\n          containers:\n          - name: \#{app_name}\n            image: <%= new_image %>\n          imagePullSecrets:\n          - name: \#{pull_secret}\n    ---\n    apiVersion: v1\n    kind: Service\n    metadata:\n      namespace: \#{namespace}\n      name: \#{app_name}\n      labels:\n        app: \#{app_name}\n    spec:\n      type: NodePort\n      ports:\n        - port: 80\n          targetPort: 80\n          protocol: TCP\n          name: http\n      selector:\n        app: \#{app_name}\n    ---\n    apiVersion: extensions/v1beta1\n    kind: Ingress\n    metadata:\n      namespace: \#{namespace}\n      name: \#{app_name}-ingress\n      labels:\n        app: \#{app_name}-ingress\n    spec:\n      rules:\n        - host: k8s.myvm.io\n          http:\n            paths:\n              - path: /\n                backend:\n                  serviceName: \#{app_name}\n                  servicePort: http\n  EOF\nend\n"

.create_lib_files ⇒ Object 



319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
 
# File 'lib/citasks/ci_lib.rb', line 319

def self.create_lib_files
  FileUtils.mkdir_p lib_dir = "build_libs"

  _write lib_dir + "/helpers.rb", "    require \"yaml\"\n\n    require_relative \"docker.rb\"\n    require_relative \"k8s.rb\"\n\n    @task_index=0\n    def next_task_index\n      @task_index += 1\n      sprintf(\"%02d\", @task_index)\n    end\n\n    def reset_task_index\n      @task_index = 0\n    end\n  EOF\n\n  _write lib_dir + \"/shell.rb\", <<~EOF\n    module ShellCommandConstructor\n      def self.construct_command strings_or_list, connector = \" && \"\n        list = case strings_or_list\n        when Array\n          strings_or_list\n        when String\n          strings_or_list.split(/\\\\n/)\n        end\n        list.each_with_object([]) do |line, obj|\n            line.strip!\n            next if line.empty?\n            next if line =~ /^#/\n            obj.push line\n        end.join connector\n      end\n    end\n\n    module Shell\n      def self.run cmd\n        unless system(cmd)\n          fail \"Failed to execute \\\#{cmd}\"\n        end\n      end\n\n      def self.test cmd\n        system cmd\n      end\n    end\n  EOF\n\n  _write lib_dir + \"/docker.rb\", <<~EOF\n    require_relative \"shell\"\n\n    module DockerTools\n      def self.add_etc_hosts\n        etc_hosts_entry = sprintf(\"%s %s\", ENV[\"PRIVATE_DOCKER_REGISTRY_IP\"], ENV[\"PRIVATE_DOCKER_REGISTRY_NAME\"])\n        Shell.run %Q(echo \"\\\#{etc_hosts_entry}\" >> /etc/hosts)\n      end\n\n      def self.push_to_registry image_name, tag\n        private_registry = sprintf(\"%s:%s\", ENV[\"PRIVATE_DOCKER_REGISTRY_NAME\"], ENV[\"PRIVATE_DOCKER_REGISTRY_PORT\"])\n        namespace = ENV[\"PRIVATE_DOCKER_REGISTRY_NAMESPACE\"]\n\n        cmds = ShellCommandConstructor.construct_command %Q{\n          docker login -u \\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_USER\"]} -p \\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_USER_PASSWORD\"]} \\\#{private_registry}\n\n          docker tag \\\#{image_name}:\\\#{tag} \\\#{private_registry}/\\\#{namespace}/\\\#{image_name}:\\\#{tag}\n          docker push \\\#{private_registry}/\\\#{namespace}/\\\#{image_name}:\\\#{tag}\n        }\n        Shell.run cmds\n      end\n    end\n  EOF\n\n  _write lib_dir + '/k8s.rb', <<~EOF\n    require \"erb\"\n    require_relative \"shell\"\n\n    module KubeTools\n      def self.create_namespace namespace\n        Shell.run %Q(kubectl create namespace \\\#{namespace} || echo ignore exists error)\n      end\n\n      def self.create_pull_secret namespace, user, pass, secret_name\n        Shell.run %Q(kubectl delete secret \\\#{secret_name} -n \\\#{namespace} || echo ignore non exists error)\n        Shell.run %Q(kubectl create secret docker-registry \\\#{secret_name} -n \\\#{namespace} --docker-server=\\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_NAME\"]}:\\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_PORT\"]} --docker-username=\\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_USER\"]} --docker-password=\\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_USER_PASSWORD\"]} --docker-email=\\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_USER\"]}@\\\#{ENV[\"PRIVATE_DOCKER_REGISTRY_NAME\"]})\n      end\n\n\n      def self.create_new_yaml yaml_template_file, yaml_file, data = {}\n        erb = ERB.new(File.read(yaml_template_file))\n        b = binding\n\n        data.each_pair do |key, value|\n          b.local_variable_set(key, value)\n        end\n\n        File.open yaml_file, \"w\" do |fh|\n          fh.puts erb.result(b)\n        end\n      end\n\n      def self.deploy_to_k8s yaml_file\n        Shell.run %Q(kubectl apply -f \\\#{yaml_file})\n      end\n    end\n  EOF\n\nend\n"

.create_rakefile ⇒ Object 



430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
 
# File 'lib/citasks/ci_lib.rb', line 430

def self.create_rakefile
  _write "build.rb", "    require 'dotenv'\n    Dotenv.load \".env.build\"\n    require_relative \"build_libs/helpers\"\n\n    image_name = ENV[\"IMAGE_NAME\"]\n    tag=ENV[\"BUILD_NUMBER\"]||\"B1\"\n\n    namespace \"docker\" do\n      reset_task_index\n\n      desc \"build docker image\"\n      task \"\\\#{next_task_index}_build_image\" do\n        sh %Q(docker build -t \\\#{image_name}:\\\#{tag} .)\n      end\n\n      desc \"push to ICp registry\"\n      task \"\\\#{next_task_index}_push_to_ICp_registry\" do\n        DockerTools.add_etc_hosts\n        KubeTools.create_namespace ENV[\"K8S_NAMESPACE\"]\n        DockerTools.push_to_registry image_name, tag\n      end\n    end\n\n    namespace \"k8s\" do\n      reset_task_index\n\n      desc \"deploy into k8s\"\n      task \"\\\#{next_task_index}_deploy_to_k8s\" do\n        KubeTools.create_pull_secret ENV[\"K8S_NAMESPACE\"], ENV[\"PRIVATE_DOCKER_REGISTRY_USER\"], ENV[\"PRIVATE_DOCKER_REGISTRY_USER_PASSWORD\"], ENV[\"PRIVATE_DOCKER_REGISTRY_PULL_SECRET\"]\n\n        yaml_template_file = \"\\\#{image_name}.k8.template.yaml\"\n        yaml_file = \"\\\#{image_name}.yaml\"\n\n        private_registry = sprintf(\"%s:%s\", ENV[\"PRIVATE_DOCKER_REGISTRY_NAME\"], ENV[\"PRIVATE_DOCKER_REGISTRY_PORT\"])\n        namespace = ENV[\"PRIVATE_DOCKER_REGISTRY_NAMESPACE\"]\n\n        full_new_image_name = \"\\\#{private_registry}/\\\#{namespace}/\\\#{image_name}:\\\#{tag}\"\n        data = {\n          new_image: full_new_image_name\n        }\n\n        KubeTools.create_new_yaml yaml_template_file, yaml_file, data\n\n        KubeTools.deploy_to_k8s yaml_file\n      end\n    end\n  OUTEOF\nend\n"