diff options
3 files changed, 99 insertions, 0 deletions
diff --git a/playbooks/common/openshift-cluster/upgrades/pre/verify_cluster.yml b/playbooks/common/openshift-cluster/upgrades/pre/verify_cluster.yml index 693ab2d96..5ee8a9d78 100644 --- a/playbooks/common/openshift-cluster/upgrades/pre/verify_cluster.yml +++ b/playbooks/common/openshift-cluster/upgrades/pre/verify_cluster.yml @@ -92,3 +92,25 @@ state: started enabled: yes with_items: "{{ master_services }}" + +# Until openshift-ansible is determining which host is the CA host we +# must (unfortunately) ensure that the first host in the etcd group is +# the etcd CA host. +# https://bugzilla.redhat.com/show_bug.cgi?id=1469358 +- name: Verify we can proceed on first etcd + hosts: oo_first_etcd + gather_facts: no + tasks: + - name: Ensure CA exists on first etcd + stat: + path: /etc/etcd/generated_certs + register: __etcd_ca_stat + + - fail: + msg: > + In order to correct an etcd certificate signing problem + upgrading may require re-generating etcd certificates. Please + ensure that the /etc/etcd/generated_certs directory exists on + the first host defined in your [etcd] group. + when: + - not __etcd_ca_stat.stat.exists | bool diff --git a/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml b/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml index e89f06f17..b4828cebc 100644 --- a/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml +++ b/playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml @@ -2,6 +2,30 @@ ############################################################################### # Upgrade Masters ############################################################################### + +# Prior to 3.6, openshift-ansible created etcd serving certificates +# without a SubjectAlternativeName entry for the system hostname. The +# SAN list in Go 1.8 is now (correctly) authoritative and since +# openshift-ansible configures masters to talk to etcd hostnames +# rather than IP addresses, we must correct etcd certificates. +# +# This play examines the etcd serving certificate SANs on each etcd +# host and records whether or not the system hostname is missing. +- name: Examine etcd serving certificate SAN + hosts: oo_etcd_to_config + tasks: + - slurp: + src: /etc/etcd/server.crt + register: etcd_serving_cert + - set_fact: + __etcd_cert_lacks_hostname: "{{ (openshift.common.hostname not in (etcd_serving_cert.content | b64decode | lib_utils_oo_parse_certificate_san)) | bool }}" + +# Redeploy etcd certificates when hostnames were missing from etcd +# serving certificate SANs. +- import_playbook: ../../../openshift-etcd/redeploy-certificates.yml + when: + - true in hostvars | lib_utils_oo_select_keys(groups['oo_etcd_to_config']) | lib_utils_oo_collect('__etcd_cert_lacks_hostname') | default([false]) + - name: Backup and upgrade etcd import_playbook: ../../../openshift-etcd/private/upgrade_main.yml diff --git a/roles/lib_utils/filter_plugins/oo_filters.py b/roles/lib_utils/filter_plugins/oo_filters.py index 9f73510c4..0f1b5bc2d 100644 --- a/roles/lib_utils/filter_plugins/oo_filters.py +++ b/roles/lib_utils/filter_plugins/oo_filters.py @@ -340,6 +340,58 @@ def lib_utils_oo_parse_named_certificates(certificates, named_certs_dir, interna return certificates +def lib_utils_oo_parse_certificate_san(certificate): + """ Parses SubjectAlternativeNames from a PEM certificate. + + Ex: certificate = '''-----BEGIN CERTIFICATE----- + MIIEcjCCAlqgAwIBAgIBAzANBgkqhkiG9w0BAQsFADAhMR8wHQYDVQQDDBZldGNk + LXNpZ25lckAxNTE2ODIwNTg1MB4XDTE4MDEyNDE5MDMzM1oXDTIzMDEyMzE5MDMz + M1owHzEdMBsGA1UEAwwUbWFzdGVyMS5hYnV0Y2hlci5jb20wggEiMA0GCSqGSIb3 + DQEBAQUAA4IBDwAwggEKAoIBAQD4wBdWXNI3TF1M0b0bEIGyJPvdqKeGwF5XlxWg + NoA1Ain/Xz0N1SW5pXW2CDo9HX+ay8DyhzR532yrBa+RO3ivNCmfnexTQinfSLWG + mBEdiu7HO3puR/GNm74JNyXoEKlMAIRiTGq9HPoTo7tNV5MLodgYirpHrkSutOww + DfFSrNjH/ehqxwQtrIOnTAHigdTOrKVdoYxqXblDEMONTPLI5LMvm4/BqnAVaOyb + 9RUzND6lxU/ei3FbUS5IoeASOHx0l1ifxae3OeSNAimm/RIRo9rieFNUFh45TzID + elsdGrLB75LH/gnRVV1xxVbwPN6xW1mEwOceRMuhIArJQ2G5AgMBAAGjgbYwgbMw + UQYDVR0jBEowSIAUXTqN88vCI6E7wONls3QJ4/63unOhJaQjMCExHzAdBgNVBAMM + FmV0Y2Qtc2lnbmVyQDE1MTY4MjA1ODWCCQDMaopfom6OljAMBgNVHRMBAf8EAjAA + MBMGA1UdJQQMMAoGCCsGAQUFBwMBMAsGA1UdDwQEAwIFoDAdBgNVHQ4EFgQU7l05 + OYeY3HppL6/0VJSirudj8t0wDwYDVR0RBAgwBocEwKh6ujANBgkqhkiG9w0BAQsF + AAOCAgEAFU8sicE5EeQsUPnFEqDvoJd1cVE+8aCBqkW0++4GsVw2A/JOJ3OBJL6r + BV3b1u8/e8xBNi8hPi42Q+LWBITZZ/COFyhwEAK94hcr7eZLCV2xfUdMJziP4Qkh + /WRN7vXHTtJ6NP/d6A22SPbtnMSt9Y6G8y9qa5HBrqIqmkYbLzDw/SdZbDbuGhRk + xUwg2ahXNblVoE5P6rxPONgXliA94telZ1/61iyrVaiGQb1/GUP/DRfvvR4dOCrA + lMosW6fm37Wdi/8iYW+aDPWGS+yVK/sjSnHNjxqvrzkfGk+COa5riT9hJ7wZY0Hb + YiJS74SZgZt/nnr5PI2zFRUiZLECqCkZnC/sz29i+irLabnq7Cif9Mv+TUcXWvry + TdJuaaYdTSMRSUkDd/c9Ife8tOr1i1xhFzDNKNkZjTVRk1MBquSXndVCDKucdfGi + YoWm+NDFrayw8yxK/KTHo3Db3lu1eIXTHxriodFx898b//hysHr4hs4/tsEFUTZi + 705L2ScIFLfnyaPby5GK/3sBIXtuhOFM3QV3JoYKlJB5T6wJioVoUmSLc+UxZMeE + t9gGVQbVxtLvNHUdW7uKQ5pd76nIJqApQf8wg2Pja8oo56fRZX2XLt8nm9cswcC4 + Y1mDMvtfxglQATwMTuoKGdREuu1mbdb8QqdyQmZuMa72q+ax2kQ= + -----END CERTIFICATE-----''' + + returns ['192.168.122.186'] + """ + + if not HAS_OPENSSL: + raise errors.AnsibleFilterError("|missing OpenSSL python bindings") + + names = [] + + try: + lcert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, certificate) + for i in range(lcert.get_extension_count()): + if lcert.get_extension(i).get_short_name() == 'subjectAltName': + sanstr = str(lcert.get_extension(i)) + sanstr = sanstr.replace('DNS:', '') + sanstr = sanstr.replace('IP Address:', '') + names = sanstr.split(', ') + except Exception: + raise errors.AnsibleFilterError("|failed to parse certificate") + + return names + + def lib_utils_oo_generate_secret(num_bytes): """ generate a session secret """ @@ -612,6 +664,7 @@ class FilterModule(object): "lib_utils_oo_dict_to_keqv_list": lib_utils_oo_dict_to_keqv_list, "lib_utils_oo_list_to_dict": lib_utils_oo_list_to_dict, "lib_utils_oo_parse_named_certificates": lib_utils_oo_parse_named_certificates, + "lib_utils_oo_parse_certificate_san": lib_utils_oo_parse_certificate_san, "lib_utils_oo_generate_secret": lib_utils_oo_generate_secret, "lib_utils_oo_pods_match_component": lib_utils_oo_pods_match_component, "lib_utils_oo_image_tag_to_rpm_version": lib_utils_oo_image_tag_to_rpm_version, |