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Fix etcd cert generation to support large deployments

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Due to bash max args limits, we should pass all node filenames and
base64-encoded tar data through stdin/stdout instead.

Fixes #832
This commit is contained in:
Matthew Mosesohn 2016-12-30 12:55:26 +03:00
parent 2c23027794
commit 1f9f885379
1 changed files with 12 additions and 4 deletions
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16
roles/etcd/tasks/gen_certs.yml
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@ -73,7 +73,9 @@
tags: facts
- name: Gen_certs | Gather etcd master certs
shell: "tar cfz - -C {{ etcd_cert_dir }} {{ my_master_certs|join(' ') }} {{ all_node_certs|join(' ') }}| base64 --wrap=0"
shell: "tar cfz - -C {{ etcd_cert_dir }} -T /dev/stdin <<< {{ my_master_certs|join(' ') }} {{ all_node_certs|join(' ') }} | base64 --wrap=0"
args:
executable: /bin/bash
register: etcd_master_cert_data
delegate_to: "{{groups['etcd'][0]}}"
when: inventory_hostname in groups['etcd'] and sync_certs|default(false) and
@ -81,7 +83,9 @@
notify: set etcd_secret_changed
- name: Gen_certs | Gather etcd node certs
shell: "tar cfz - -C {{ etcd_cert_dir }} {{ my_node_certs|join(' ') }} | base64 --wrap=0"
shell: "tar cfz - -C {{ etcd_cert_dir }} -T /dev/stdin <<< {{ my_node_certs|join(' ') }} | base64 --wrap=0"
args:
executable: /bin/bash
register: etcd_node_cert_data
delegate_to: "{{groups['etcd'][0]}}"
when: inventory_hostname in groups['k8s-cluster'] and sync_certs|default(false) and
@ -89,13 +93,17 @@
notify: set etcd_secret_changed
- name: Gen_certs | Copy certs on masters
shell: "echo '{{etcd_master_cert_data.stdout|quote}}' | base64 -d | tar xz -C {{ etcd_cert_dir }}"
shell: "base64 -d <<< '{{etcd_master_cert_data.stdout|quote}}' | tar xz -C {{ etcd_cert_dir }}"
args:
executable: /bin/bash
changed_when: false
when: inventory_hostname in groups['etcd'] and sync_certs|default(false) and
inventory_hostname != groups['etcd'][0]
- name: Gen_certs | Copy certs on nodes
shell: "echo '{{etcd_node_cert_data.stdout|quote}}' | base64 -d | tar xz -C {{ etcd_cert_dir }}"
shell: "base64 -d <<< '{{etcd_node_cert_data.stdout|quote}}' | tar xz -C {{ etcd_cert_dir }}"
args:
executable: /bin/bash
changed_when: false
when: sync_certs|default(false) and
inventory_hostname not in groups['etcd']