Switch to Kubernetes v1.16.0 (#5189)

* Switch to Kubernetes v1.16.0 Change-Id: I5d6a9528b2d443750fc5e031aff15ad3ffead158 * Fix download localhost cached file path Change-Id: I65e79b70e3d1b37265ebc60f41b460cf4b0a0d47 * fix kubeadm etcd for v1.16 Change-Id: I6888a00fd48b530a38b0b31c4095492476af42d2 * disable tf packet jobs Change-Id: I075c4666547fdea4c50ec04864f38e2cfaa79154 * Disable contiv packet jobs. Fix kube-router Change-Id: I3170e8789e60711d4cee8faf65f2094480b79b8d * bump sonobuoy version Change-Id: Ib946905629c7c53ed88f08fb2f41c454457a0097
5 years ago · a43e0d3f95
21 changed files with 55 additions and 153 deletions
--- a/.ansible-lint
+++ b/.ansible-lint
@ -5,6 +5,7 @@ skip_list:
  # The following rules throw errors.
  # These either still need to be corrected in the repository and the rules re-enabled or documented why they are skipped on purpose.
  - '301'
+  - '302'
  - '305'
  - '306'
  - '404'
--- a/.gitlab-ci/packet.yml
+++ b/.gitlab-ci/packet.yml
@ -61,10 +61,11 @@ packet_ubuntu-flannel-ha:
  <<: *packet
  when: manual

-packet_ubuntu-contiv-sep:
-  stage: deploy-part2
-  <<: *packet
-  when: on_success
+# Contiv does not work in k8s v1.16
+# packet_ubuntu-contiv-sep:
+#   stage: deploy-part2
+#   <<: *packet
+#   when: on_success

 packet_ubuntu18-cilium-sep:
  stage: deploy-special
--- a/.gitlab-ci/terraform.yml
+++ b/.gitlab-ci/terraform.yml
@ -66,33 +66,33 @@ tf-validate-aws:
    PROVIDER: aws
    CLUSTER: $CI_COMMIT_REF_NAME

-tf-packet-ubuntu16-default:
-  extends: .terraform_apply
-  variables:
-    TF_VERSION: 0.11.11
-    PROVIDER: packet
-    CLUSTER: $CI_COMMIT_REF_NAME
-    TF_VAR_number_of_k8s_masters: "1"
-    TF_VAR_number_of_k8s_nodes: "1"
-    TF_VAR_plan_k8s_masters: t1.small.x86
-    TF_VAR_plan_k8s_nodes: t1.small.x86
-    TF_VAR_facility: ewr1
-    TF_VAR_public_key_path: ""
-    TF_VAR_operating_system: ubuntu_16_04
-
-tf-packet-ubuntu18-default:
-  extends: .terraform_apply
-  variables:
-    TF_VERSION: 0.11.11
-    PROVIDER: packet
-    CLUSTER: $CI_COMMIT_REF_NAME
-    TF_VAR_number_of_k8s_masters: "1"
-    TF_VAR_number_of_k8s_nodes: "1"
-    TF_VAR_plan_k8s_masters: t1.small.x86
-    TF_VAR_plan_k8s_nodes: t1.small.x86
-    TF_VAR_facility: ams1
-    TF_VAR_public_key_path: ""
-    TF_VAR_operating_system: ubuntu_18_04
+# tf-packet-ubuntu16-default:
+#   extends: .terraform_apply
+#   variables:
+#     TF_VERSION: 0.11.11
+#     PROVIDER: packet
+#     CLUSTER: $CI_COMMIT_REF_NAME
+#     TF_VAR_number_of_k8s_masters: "1"
+#     TF_VAR_number_of_k8s_nodes: "1"
+#     TF_VAR_plan_k8s_masters: t1.small.x86
+#     TF_VAR_plan_k8s_nodes: t1.small.x86
+#     TF_VAR_facility: ewr1
+#     TF_VAR_public_key_path: ""
+#     TF_VAR_operating_system: ubuntu_16_04
+#
+# tf-packet-ubuntu18-default:
+#   extends: .terraform_apply
+#   variables:
+#     TF_VERSION: 0.11.11
+#     PROVIDER: packet
+#     CLUSTER: $CI_COMMIT_REF_NAME
+#     TF_VAR_number_of_k8s_masters: "1"
+#     TF_VAR_number_of_k8s_nodes: "1"
+#     TF_VAR_plan_k8s_masters: t1.small.x86
+#     TF_VAR_plan_k8s_nodes: t1.small.x86
+#     TF_VAR_facility: ams1
+#     TF_VAR_public_key_path: ""
+#     TF_VAR_operating_system: ubuntu_18_04

 .ovh_variables: &ovh_variables
  OS_AUTH_URL: https://auth.cloud.ovh.net/v3
--- a/README.md
+++ b/README.md
@ -109,7 +109,7 @@ Supported Components
 --------------------

 -   Core
-    -   [kubernetes](https://github.com/kubernetes/kubernetes) v1.15.3
+    -   [kubernetes](https://github.com/kubernetes/kubernetes) v1.16.0
    -   [etcd](https://github.com/coreos/etcd) v3.3.10
    -   [docker](https://www.docker.com/) v18.06 (see note)
    -   [cri-o](http://cri-o.io/) v1.14.0 (experimental: see [CRI-O Note](docs/cri-o.md). Only on centos based OS)
--- a/inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml
+++ b/inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml
@ -20,7 +20,7 @@ kube_users_dir: "{{ kube_config_dir }}/users"
 kube_api_anonymous_auth: true

 ## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.15.3
+kube_version: v1.16.0

 # kubernetes image repo define
 kube_image_repo: "gcr.io/google-containers"
--- a/roles/download/defaults/main.yml
+++ b/roles/download/defaults/main.yml
@ -49,7 +49,7 @@ download_delegate: "{% if download_localhost %}localhost{% else %}{{ groups['kub
 image_arch: "{{host_architecture | default('amd64')}}"

 # Versions
-kube_version: v1.15.3
+kube_version: v1.16.0
 kubeadm_version: "{{ kube_version }}"
 etcd_version: v3.3.10

@ -85,7 +85,7 @@ kube_ovn_version: "v0.6.0"
 kube_router_version: "v0.2.5"
 multus_version: "v3.2.1"

-crictl_version: "v1.15.0"
+crictl_version: "v1.16.0"

 # Download URLs
 kubeadm_download_url: "https://storage.googleapis.com/kubernetes-release/release/{{ kubeadm_version }}/bin/linux/{{ image_arch }}/kubeadm"
@ -97,99 +97,57 @@ crictl_download_url: "https://github.com/kubernetes-sigs/cri-tools/releases/down

 crictl_checksums:
  arm:
+    v1.16.0: 331c49bd9196009b8230f7a36ec272924a7bcf4c1614ecddf0eb9598c787da0e
    v1.15.0: f31f8c3b4791608a48d030d1aa1a694a73849ae057b23a90ce4ef17e5afde9e8
    v1.14.0: 9910cecfd6558239ba015323066c7233d8371af359b9ddd0b2a35d5223bcf945
-    v1.13.0: 2e478ebed85f9d70d49fd8f1d1089c8fba6e37d3461aeef91813f1ab0f0df586
  arm64:
+    v1.16.0: aa118c31d6f6fd2d24bb2de4a33598a14a5952e1d01f93d5c3267c2b5334743b
    v1.15.0: 785c3da7e058f6fd00b0a48de24b9199eb6bae940d13f509c44ea6dd7ad9ffcd
    v1.14.0: f76b3d00a272c8d210e9a45f77d07d3770bee310d99c4fd9a72d6f55278882e5
-    v1.13.0: 68949c0cb5a37e7604c145d189cf1e109c08c93d9c710ba663db026b9c6f2746
  amd64:
+    v1.16.0: a3eefa10a483c643ad85aee3d7832a720976ef7e80dde46b212eaaacd7d09512
    v1.15.0: c3b71be1f363e16078b51334967348aab4f72f46ef64a61fe7754e029779d45a
    v1.14.0: 483c90a9fe679590df4332ba807991c49232e8cd326c307c575ecef7fe22327b
-    v1.13.0: 9bdbea7a2b382494aff2ff014da328a042c5aba9096a7772e57fdf487e5a1d51

 # Checksums
 hyperkube_checksums:
  arm:
-    v1.16.0-beta.2: 2b64ef9e8e2f92b72352cc7ab95b416407f4fca9ed1a5020aeeb6a3777bd16ed
+    v1.16.0: 4f2e4ffcf7b7f40c70c637c7be9dd51cd1ee29763696011149f315e90339330b
    v1.15.3: 100d8bddb29e77397b90e6dfbcf0af2d901a90ea4bde90b83b5a39f394c3900b
    v1.15.2: eeaa8e071541c7bcaa186ff1d2919d076b27ef70c9e9df70f910756eba55dc99
    v1.15.1: fc5af96fd9341776d84c38675be7b8045dee20af327af9331972c422a4109918
    v1.15.0: d923c781031bfd97d0fbe50311e4d7c3616aa5b6d466b99049931f09d73d07b9
-    v1.14.6: 93d35b16785e71f6a38e9a54ddf1aca08c924b0f49e5f99ea8ccaff59bd9721b
-    v1.14.5: 860b84dd32611a6008fe20fb998a2fc0a25ff44067eae556224827d05429c91e
-    v1.14.4: 429a10369b2ef35a9c2d662347277339d53fa66ef55ffeabcc7d9b850e31056d
-    v1.14.3: 3fac785261bcf79f7a80b12c4a1dda893ce8c0879caf57b36d4701730671b574
-    v1.14.2: 6929a59850c8702c04d62cd343d1143b17456da040f32317e09f8c25a08d2346
-    v1.14.1: 839a4abfeafbd5f5ab057ad0e8a0b0b488b3cde14a646eba040a7f579875f565
-    v1.14.0: d090b1da23564a7e9bb8f1f4264f2116536c52611ae203fe2ca13eaad0a8003e
  arm64:
-    v1.16.0-beta.2: 0f1e694db5c75cff526c6c066e618c43e83384c36d4e38cf1ac6e9baf71b38d4
+    v1.16.0: 0431fff5b32042369a3f233afb7b3adcda7ae5446f31700819ed986f3624bc69
    v1.15.3: 1e3e70b8d1e8ebc642f2801d9c7938a27764dfb2f5aea432ab4326d43c04a1f5
    v1.15.2: c4cf69f52c7013faee9d54e0f376e0732a4a7b0f7ffc7241e9b7e28bad0ac77f
    v1.15.1: 80ed372c5f6c5178df88616175310057c06bdc9d0905953814a1927eb3aaa657
    v1.15.0: 824af7d925b87a5ade63575b98b59ee81005fc76eac1dc399602308d7a60bc3c
-    v1.14.6: 97646bffe61e54a0c6f61d68b5625ec2e98d8b9d04cec2c8382266e437835e93
-    v1.14.5: 90c77847d64eb857c8e686e8593fe7a9e505bcbf960b0407217255827a9da59a
-    v1.14.4: 9e0b4fde88a07c705e0937cd3161392684e3ca08535d14a99ae3b86bbf4c56b3
-    v1.14.3: f29211d668cbcf1aa415dfa64aad95ffc53b5410482a23cddb680caec4e907a3
-    v1.14.2: 959fb7d9c17fc8f7cb1a69920aaf08aefd62c0fbf6b5bdc46250f147ea6a5cd4
-    v1.14.1: d5236efc2547fd07c7cc2ed9345dfbcd1204385847ca686cf1c62d15056de399
-    v1.14.0: 708e00a41f6516d525dee00c91ebe3c3bf2feaf9b7f0af7689487e3e17e356c2
  amd64:
-    v1.16.0-beta.2: 2f05aba15c163883a610681a563d89fd7adf10cb70b90cdb6760f00f8d023a4b
+    v1.16.0: 00b54ca779db1749ed714b19bb2b9a0333b39048af134f9199e4a5441c1b8324
    v1.15.3: 3685c65b4fb85d552f77346900affc2e9a1bc997b4cd3dde0e705fd8c1d9be7a
    v1.15.2: ab885606438748eb89a7738e219f5353d94c40c63a4935a539ce89760280f065
    v1.15.1: 22b7b1e7f5f2a452d62e0ca4c2cba67119c51e04219aaeaf8452825f9177069e
    v1.15.0: 3cc72cc58517b97c608c7a59a20255675bc70f07217c9e11e58cac7746139283
-    v1.14.6: 4f9a8984985786797fa3353961ba2b58f50235581c9b5978130fbb4199005538
-    v1.14.5: 2c3410518980b8705ba9b7b708076a206f2bde37cb8bf5ba8f15c32c697f4d97
-    v1.14.4: 5f31434f3a884257a7b0e3178fc869720a7526c8637af5713d23433ddf2592dd
-    v1.14.3: 6c6cb5c118b2129ba4e56697f42567be3587eb636a477cd342b69f87b3b049d1
-    v1.14.2: 05546057f2053e085fa8387ab82581c95fe4195cd783408ccbb4fc3487c50176
-    v1.14.1: fb34b98da9325feca8daa09bb934dbe6a533aad69c2a5599bbed81b99bb9c267
-    v1.14.0: af8b04504365dbe4ce6a1772f42eb390d4221a21149b522fc8a0c4b1cd3d97aa
 kubeadm_checksums:
  arm:
-    v1.16.0-beta.2: 6cf8b364b40aba09e1aaa4ed873d90df2b17725dafa78252470777df9404a736
+    v1.16.0: 6c666958e11b7d4513adecb3107c885c98bdc79f38d369c9f80eaaeae4ddfe66
    v1.15.3: 6c6fa56810908b5be83882094ea199844edc94b7e969160623c86512d9251c06
    v1.15.2: 4b35ad0031c08a83de7c8d9f9bbed6a30d93a5c74e16ea9e6211ad2e0e12bdd1
    v1.15.1: 855abd520291dcef0577a1a2ef87a70f522fd2b22603a12abcd86c2f7ec9c022
    v1.15.0: 9464030a1d4e101de5f47348f3514d5a9eb95cbce2e5e31f53ada1ca485cf75e
-    v1.14.6: 6283ac962d02714e962e4f206c6bc8d6be58f5c9a12d2918aaa2fac7f73add09
-    v1.14.5: 0bb551f7468de2fa6f98ce60653495327be052364ac9f9e8917a4d1ad864412b
-    v1.14.4: 36835488d7187406690ee6aa4b3c9c54855cb5c55d786d0574a508b955fe3a46
-    v1.14.3: 270b8c346aeaa309d11d65695c4a90f6bff5b1ea14bdec3c417ca2dfb3de0db3
-    v1.14.2: d2a59269aa68a4bace2a80b247b6f9a82f0542ec3004185fb0ba86e181fdfb29
-    v1.14.1: 4bd111411208f1270ed3af8780b87d24a3c17c9fdbe4b0f8c7a9a21cd765543e
-    v1.14.0: 11f2cfa8bf7ee177dbac8073ab0f039dc265536baaa8dc0c4dea699f981f6fd1
  arm64:
-    v1.16.0-beta.2: 0e3ae66f2f57a18eb363af1d49a22b35a24e32bf36af5ef630aa5ceeedc9feed
+    v1.16.0: 9a1d21bfb6bd15697ac010665e5917a5364b340d5b60f2f0302c179d75da0f3f
    v1.15.3: 6f472bc8ab1ba3d76448bd45b200edef96741e5affde8dc1429300af3a4904d8
    v1.15.2: d3b6ee2048b366726ca366d2db4c46b2cacc38e8ec09cc35781d16593753d930
    v1.15.1: 44fbfad0f1026d249fc4f365f1e9562cd52d75360d4d1032731122ba5a4d57dc
    v1.15.0: fe3c79070814fe847a23209b1027672fe5c5e7e5c9611e329225058926836f96
-    v1.14.6: d935de033e7442ce5f8a35294fa890b884454d0482a9cf136c4abacd8c6ec165
-    v1.14.5: 7dd1195d16980c4c888d13e49d97c3513f668e192bf2778bc0f0516e0f7fe2ac
-    v1.14.4: 60745b3ac761d3aa55ab9a24677ecf4e7f48b5abed34c725047a174456e5a79b
-    v1.14.3: 8edcc07c65f81eea3fc47cd237dd6560c6907c5e0ca52d71eab53ca1164e7d01
-    v1.14.2: bff0712b87796509129aa802ad3ac25b8cc83af01762b22b4dcca8dbdb26b520
-    v1.14.1: 5cf05464168e45ee4719264a267c65f9319fae1ceb9923fedab97a9d6a629e0b
-    v1.14.0: 7ed9d706e50cd6d3fc618a7af3d19b691b8a5343ddedaeccb4ea09af3ecfae2c
  amd64:
-    v1.16.0-beta.2: bba224360cfb4e6471f84523fcc954951c05c0fef0a4311a07e76f306cadebf1
+    v1.16.0: 18f30d65fb05148c73cc07c77a83f4a2427379af493ca9f60eda42239409e7ef
    v1.15.3: ec56a00bc8d9ec4ac2b081a3b2127d8593daf3b2c86560cf9e6cba5ada2d5a80
    v1.15.2: fe2a13a1dea73249560ea44ab54c0359a9722e9c66832f6bcad86798438cba2f
    v1.15.1: 3d42441ae177826f1181e559cd2a729464ca8efadef196cfa0e8053a615333b5
    v1.15.0: fc4aa44b96dc143d7c3062124e25fed671cab884ebb8b2446edd10abb45e88c2
-    v1.14.6: 4ef6030ab059ed434702c003975273dc855c370c4fcdae1109a3bb137c16ecb9
-    v1.14.5: b3e840f7816f64e071d25f8a90b984eecd6251b68e568b420d85ef0a4dd514bb
-    v1.14.4: 291790a1cef82c4de28cc3338a199ca8356838ca26f775f2c2acba165b633d9f
-    v1.14.3: 026700dfff3c78be1295417e96d882136e5e1f095eb843e6575e57ef9930b5d3
-    v1.14.2: 77510f61352bb6e537e70730b670627963f2c314fbd36a644b0c435b97e9705a
-    v1.14.1: c4fc478572b5623857f5d820e1c107ae02049ca02cf2993e512a091a0196957b
-    v1.14.0: 03678f49ee4737f8b8c4f59ace0d140a36ffbc4f6035c59561f59f45b57d0c93

 etcd_binary_checksums:
  # Etcd does not have arm32 builds at the moment, having some dummy value is
--- a/roles/download/tasks/download_file.yml
+++ b/roles/download/tasks/download_file.yml
@ -7,7 +7,7 @@

  - name: download_file | Set pathname of cached file
    set_fact:
-      file_path_cached: "{{ download_cache_dir }}/{{ download.dest | regex_replace('^\\/', '') }}"
+      file_path_cached: "{{ download_cache_dir }}/{{ download.dest | basename }}"
    tags:
    - facts

--- a/roles/download/tasks/sync_file.yml
+++ b/roles/download/tasks/sync_file.yml
@ -6,7 +6,7 @@

  - name: download_file | Set pathname of cached file
    set_fact:
-      file_path_cached: "{{ download_cache_dir }}/{{ download.dest | regex_replace('^\\/', '') }}"
+      file_path_cached: "{{ download_cache_dir }}/{{ download.dest | basename }}"
    tags:
    - facts

--- a/roles/kubernetes/client/tasks/main.yml
+++ b/roles/kubernetes/client/tasks/main.yml
@ -49,32 +49,16 @@
 # NOTE(mattymo): Please forgive this workaround
 - name: Generate admin kubeconfig with external api endpoint
  shell: >-
-    {% if kubeadm_version is version('v1.14.0', '>=') %}
    mkdir -p {{ kube_config_dir }}/external_kubeconfig &&
-    {% endif %}
    {{ bin_dir }}/kubeadm
-    {% if kubeadm_version is version('v1.14.0', '>=') %}
    init phase
-    {% elif kubeadm_version is version('v1.13.0', '>=') %}
-    alpha
-    {% else %}
-    alpha phase
-    {% endif %}
-    {% if kubeadm_version is version('v1.14.0', '>=') %}
    kubeconfig admin
    --kubeconfig-dir {{ kube_config_dir }}/external_kubeconfig
-    {% else %}
-    kubeconfig user
-    --client-name kubernetes-admin
-    --org system:masters
-    {% endif %}
    --cert-dir {{ kube_cert_dir }}
    --apiserver-advertise-address {{ external_apiserver_address }}
    --apiserver-bind-port {{ external_apiserver_port }}
-    {% if kubeadm_version is version('v1.14.0', '>=') %}
    >/dev/null && cat {{ kube_config_dir }}/external_kubeconfig/admin.conf &&
    rm -rf {{ kube_config_dir }}/external_kubeconfig
-    {% endif %}
  environment: "{{ proxy_env }}"
  run_once: yes
  register: admin_kubeconfig
--- a/roles/kubernetes/kubeadm/tasks/kubeadm_etcd_node.yml
+++ b/roles/kubernetes/kubeadm/tasks/kubeadm_etcd_node.yml
@ -4,14 +4,7 @@
    {{ bin_dir }}/kubeadm init phase
    --config {{ kube_config_dir }}/kubeadm-config.yaml
    upload-certs
-    {% if kubeadm_version is version('v1.15.0', '<') %}
-    --experimental-upload-certs
-    {% else %}
    --upload-certs
-    {% endif %}
-    {% if kubeadm_certificate_key is defined and kubeadm_version is version('v1.15.0', '<') %}
-    --certificate-key={{ kubeadm_certificate_key }}
-    {% endif %}
  register: kubeadm_upload_cert
  delegate_to: "{{ groups['kube-master'][0] }}"
  when: kubeadm_etcd_refresh_cert_key
@ -27,14 +20,14 @@
    {{ bin_dir }}/kubeadm join phase
    control-plane-prepare download-certs
    --certificate-key {{ kubeadm_certificate_key }}
-    --experimental-control-plane
+    --control-plane
    --token {{ kubeadm_token }}
    --discovery-token-unsafe-skip-ca-verification
    {{ kubeadm_discovery_address }}
    &&
    {{ bin_dir }}/kubeadm join phase
    control-plane-prepare certs
-    --experimental-control-plane
+    --control-plane
    --token {{ kubeadm_token }}
    --discovery-token-unsafe-skip-ca-verification
    {{ kubeadm_discovery_address }}
--- a/roles/kubernetes/kubeadm/tasks/main.yml
+++ b/roles/kubernetes/kubeadm/tasks/main.yml
@ -42,7 +42,6 @@
    kubeadm_token: "{{ temp_token.stdout }}"
  when: kubeadm_token is not defined

-
 - name: gets the kubeadm version
  command: "{{ bin_dir }}/kubeadm version -o short"
  register: kubeadm_output
--- a/roles/kubernetes/master/tasks/kubeadm-secondary-experimental.yml
+++ b/roles/kubernetes/master/tasks/kubeadm-secondary-experimental.yml
@ -15,14 +15,7 @@
    {{ bin_dir }}/kubeadm init phase
    --config {{ kube_config_dir }}/kubeadm-config.yaml
    upload-certs
-    {% if kubeadm_version is version('v1.15.0', '<') %}
-    --experimental-upload-certs
-    {% else %}
    --upload-certs
-    {% endif %}
-    {% if kubeadm_certificate_key is defined and kubeadm_version is version('v1.15.0', '<') %}
-    --certificate-key={{ kubeadm_certificate_key }}
-    {% endif %}
  register: kubeadm_upload_cert
  when:
    - inventory_hostname == groups['kube-master']|first
@ -60,9 +53,6 @@
    {{ bin_dir }}/kubeadm join
    --config {{ kube_config_dir }}/kubeadm-controlplane.yaml
    --ignore-preflight-errors=all
-    {% if kubeadm_certificate_key is defined and kubeadm_version is version('v1.15.0', '<') %}
-    --certificate-key={{ kubeadm_certificate_key }}
-    {% endif %}
  register: kubeadm_join_control_plane
  retries: 3
  until: kubeadm_join_control_plane is succeeded
--- a/roles/kubernetes/master/tasks/kubeadm-setup.yml
+++ b/roles/kubernetes/master/tasks/kubeadm-setup.yml
@ -110,16 +110,7 @@
    --config={{ kube_config_dir }}/kubeadm-config.yaml
    --ignore-preflight-errors=all
    --skip-phases=addon/coredns
-    {% if kubeadm_version is version('v1.14.0', '>=') %}
-    {% if kubeadm_version is version('v1.15.0', '<') %}
-    --experimental-upload-certs
-    {% if kubeadm_certificate_key is defined and kubeadm_version is version('v1.15.0', '<') %}
-    --certificate-key={{ kubeadm_certificate_key }}
-    {% endif %}
-    {% else %}
    --upload-certs
-    {% endif %}
-    {% endif %}
  register: kubeadm_init
  # Retry is because upload config sometimes fails
  retries: 3
@ -135,7 +126,6 @@
    kubeadm_certificate_key: "{{ item | regex_search('--certificate-key ([^ ]+)','\\1') | first }}"
  with_items: "{{ hostvars[groups['kube-master'][0]]['kubeadm_init'].stdout_lines | default([]) }}"
  when:
-    - kubeadm_version is version('v1.14.0', '>=')
    - kubeadm_certificate_key is not defined
    - item | trim | match('.*--certificate-key .*')

--- a/roles/kubernetes/master/tasks/kubeadm-version.yml
+++ b/roles/kubernetes/master/tasks/kubeadm-version.yml
@ -3,11 +3,6 @@
  command: "{{ bin_dir }}/kubeadm version -o short"
  register: kubeadm_output

- name: sets kubeadm api version to v1beta1
-  set_fact:
-    kubeadmConfig_api_version: v1beta1
-  when: kubeadm_output.stdout is version('v1.13.0', '>=')
-
 - name: sets kubeadm api version to v1beta2
  set_fact:
    kubeadmConfig_api_version: v1beta2
--- a/roles/kubernetes/master/templates/kubeadm-config.v1beta1.yaml.j2
+++ b/roles/kubernetes/master/templates/kubeadm-config.v1beta1.yaml.j2
@ -322,9 +322,7 @@ ipvs:
 minSyncPeriod: {{ kube_proxy_min_sync_period }}
 scheduler: {{ kube_proxy_scheduler }}
 syncPeriod: {{ kube_proxy_sync_period }}
-{% if kube_version is version('v1.14.2', '>=') %}
 strictARP: {{ kube_proxy_strict_arp }}
-{% endif %}
 metricsBindAddress: {{ kube_proxy_metrics_bind_address }}
 mode: {{ kube_proxy_mode }}
 nodePortAddresses: {{ kube_proxy_nodeport_addresses }}
--- a/roles/kubernetes/master/templates/kubeadm-config.v1beta2.yaml.j2
+++ b/roles/kubernetes/master/templates/kubeadm-config.v1beta2.yaml.j2
@ -324,9 +324,7 @@ ipvs:
 minSyncPeriod: {{ kube_proxy_min_sync_period }}
 scheduler: {{ kube_proxy_scheduler }}
 syncPeriod: {{ kube_proxy_sync_period }}
-{% if kube_version is version('v1.14.2', '>=') %}
 strictARP: {{ kube_proxy_strict_arp }}
-{% endif %}
 metricsBindAddress: {{ kube_proxy_metrics_bind_address }}
 mode: {{ kube_proxy_mode }}
 nodePortAddresses: {{ kube_proxy_nodeport_addresses }}
--- a/roles/kubernetes/node/tasks/kubelet.yml
+++ b/roles/kubernetes/node/tasks/kubelet.yml
@ -57,4 +57,4 @@
    enabled: yes
    state: started
  tags:
-    - kubelet
+    - kubelet
--- a/roles/kubernetes/preinstall/tasks/0020-verify-settings.yml
+++ b/roles/kubernetes/preinstall/tasks/0020-verify-settings.yml
@ -241,12 +241,6 @@
  when: resolvconf_mode is defined
  run_once: true

- name: Stop if k8s version is too low for kubeadm etcd mode
-  assert:
-    that: kube_version is version('v1.14.0', '>=')
-    msg: "kubeadm etcd mode requires k8s version >= v1.14.0"
-  when: etcd_kubeadm_enabled
-
 - name: Stop if kubeadm etcd mode is enabled but experimental control plane is not
  assert:
    that: kubeadm_control_plane
--- a/roles/kubespray-defaults/defaults/main.yaml
+++ b/roles/kubespray-defaults/defaults/main.yaml
@ -12,10 +12,10 @@ is_atomic: false
 disable_swap: true

 ## Change this to use another Kubernetes version, e.g. a current beta release
-kube_version: v1.15.3
+kube_version: v1.16.0

 ## The minimum version working
-kube_version_min_required: v1.14.0
+kube_version_min_required: v1.15.0

 # use HyperKube image to control plane containers
 kubeadm_use_hyperkube_image: False
--- a/roles/network_plugin/kube-router/templates/kube-router.yml.j2
+++ b/roles/network_plugin/kube-router/templates/kube-router.yml.j2
@ -10,6 +10,7 @@ data:
  cni-conf.json: |
    {
      "name":"kubernetes",
+      "cniVersion": "0.2.0",
      "type":"bridge",
      "bridge":"kube-bridge",
      "isDefaultGateway":true,
--- a/tests/testcases/100_check-k8s-conformance.yml
+++ b/tests/testcases/100_check-k8s-conformance.yml
@ -1,7 +1,7 @@
 ---
 - hosts: kube-master[0]
  vars:
-    sonobuoy_version: 0.15.0
+    sonobuoy_version: 0.16.0
    sonobuoy_arch: amd64
    sonobuoy_parallel: 30
    sonobuoy_path: /usr/local/bin/sonobuoy