[sysadmin-notify] [ansible] Add keytab service

commit d1257948c97bf9c1c246eaab23e0bc57480d2e22 Author: Nicolas Chauvet <kwizart(a)gmail.com&gt; Date: Thu Mar 2 18:31:13 2017 +0100 Add keytab service roles/keytab/service/defaults/main.yml | 4 + roles/keytab/service/tasks/main.yml | 156 ++++++++++++++++++++++++++++++++ 2 files changed, 160 insertions(+), 0 deletions(-) --- diff --git a/roles/keytab/service/defaults/main.yml b/roles/keytab/service/defaults/main.yml new file mode 100644 index 0000000..13bd71e --- /dev/null +++ b/roles/keytab/service/defaults/main.yml @@ -0,0 +1,4 @@ +owner_user: root +owner_group: root +host: "{{inventory_hostname }}" +kt_location: "/etc/krb5.{{service}}_{{host}}.keytab" diff --git a/roles/keytab/service/tasks/main.yml b/roles/keytab/service/tasks/main.yml new file mode 100644 index 0000000..a98c896 --- /dev/null +++ b/roles/keytab/service/tasks/main.yml @@ -0,0 +1,156 @@ +--- +- name: Determine whether we need to get keytab + stat: path={{kt_location}} + register: keytab_status + check_mode: no + changed_when: "1 != 1" + tags: + - keytab + - config + - krb5 + +- name: Get admin ticket + delegate_to: "{{ ipa_server }}" + shell: echo "{{ipa_admin_password}}" | kinit admin + check_mode: no + changed_when: "1 != 1" + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Create host entry + delegate_to: "{{ ipa_server }}" + command: ipa host-add {{host}} + register: host_add_result + check_mode: no + changed_when: "'Added host' in host_add_result.stdout" + failed_when: "not ('Added host' in host_add_result.stdout or 'already exists' in host_add_result.stderr)" + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Create service entry + delegate_to: "{{ ipa_server }}" + command: ipa service-add {{service}}/{{host}} + register: service_add_result + check_mode: no + changed_when: "'Added service' in service_add_result.stdout" + failed_when: "not ('Added service' in service_add_result.stdout or 'already exists' in service_add_result.stderr)" + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists and service != "host" + +- name: Grant host access to keytab + delegate_to: "{{ ipa_server }}" + command: ipa service-allow-retrieve-keytab {{service}}/{{host}} --hosts={{inventory_hostname}} + register: service_perm_add_result + check_mode: no + changed_when: "'members added 1' in service_perm_add_result.stdout" + failed_when: "not ('members added' in service_perm_add_result.stdout)" + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Grant admin access to keytab + delegate_to: "{{ ipa_server }}" + command: ipa service-allow-retrieve-keytab {{service}}/{{host}} --users=admin + register: service_perm_add_result + check_mode: no + changed_when: "'members added 1' in service_perm_add_result.stdout" + failed_when: "not ('members added' in service_perm_add_result.stdout)" + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Retrieve keytab + delegate_to: "{{ ipa_server }}" + command: ipa-getkeytab --retrieve --server {{ipa_server}} --keytab /tmp/{{service}}_{{host}}.kt --principal {{service}}/{{host}} + register: retrieve_result + check_mode: no + changed_when: "1 != 1" + failed_when: "not ('Keytab successfully retrieved' in retrieve_result.stderr or 'krbPrincipalKey not found' in retrieve_result.stderr)" + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Create keytab if it did not exist + delegate_to: "{{ ipa_server }}" + command: ipa-getkeytab --server {{ipa_server}} --keytab /tmp/{{service}}_{{host}}.kt --principal {{service}}/{{host}} + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists and 'krbPrincipalKey not found' in retrieve_result.stderr + +- name: Destroy admin ticket + delegate_to: "{{ ipa_server }}" + command: kdestroy -A + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Get keytab + delegate_to: "{{ ipa_server }}" + command: base64 /tmp/{{service}}_{{host}}.kt + register: keytab + check_mode: no + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Destroy stored keytab + delegate_to: "{{ ipa_server }}" + file: path=/tmp/{{service}}_{{host}}.kt state=absent + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Deploy base64 keytab + copy: dest={{kt_location}}.b64 + content={{keytab.stdout}} + owner={{owner_user}} group={{owner_group}} mode=0600 + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Base64-decode keytab + shell: "umask 077 && base64 -d {{kt_location}}.b64 >{{kt_location}}" + tags: + - keytab + - config + - krb5 + when: not keytab_status.stat.exists + +- name: Destroy encoded keytab + file: path={{kt_location}}.b64 state=absent + tags: + - keytab + - config + - krb5 + +- name: Set keytab permissions + file: path={{kt_location}} owner={{owner_user}} group={{owner_group}} mode=0600 state=file + tags: + - keytab + - config + - krb5