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  10. Dec 09, 2016
    • Bogdan Dobrelya's avatar
      Preconfigure DNS stack and docker early · a15d6267
      Bogdan Dobrelya authored
      
      
      In order to enable offline/intranet installation cases:
      * Move DNS/resolvconf configuration to preinstall role. Remove
        skip_dnsmasq_k8s var as not needed anymore.
      
      * Preconfigure DNS stack early, which may be the case when downloading
        artifacts from intranet repositories. Do not configure
        K8s DNS resolvers for hosts /etc/resolv.conf yet early (as they may be
        not existing).
      
      * Reconfigure K8s DNS resolvers for hosts only after kubedns/dnsmasq
        was set up and before K8s apps to be created.
      
      * Move docker install task to early stage as well and unbind it from the
        etcd role's specific install path. Fix external flannel dependency on
        docker role handlers. Also fix the docker restart handlers' steps
        ordering to match the expected sequence (the socket then the service).
      
      * Add default resolver fact, which is
        the cloud provider specific and remove hardcoded GCE resolver.
      
      * Reduce default ndots for hosts /etc/resolv.conf to 2. Multiple search
        domains combined with high ndots values lead to poor performance of
        DNS stack and make ansible workers to fail very often with the
        "Timeout (12s) waiting for privilege escalation prompt:" error.
      
      * Update docs.
      
      Signed-off-by: default avatarBogdan Dobrelya <bdobrelia@mirantis.com>
      a15d6267
    • Bogdan Dobrelya's avatar
      More granular control for download/upload images/binaries · fd9b2667
      Bogdan Dobrelya authored
      
      
      Add upload tag allow users to exclude distributing images across nodes
      when running with the download tag set.
      Add related tags and update docs as well.
      
      Signed-off-by: default avatarBogdan Dobrelya <bdobrelia@mirantis.com>
      fd9b2667
    • Bogdan Dobrelya's avatar
      Add tags · 8cc84e13
      Bogdan Dobrelya authored
      
      
      Add tags to allow more granular tasks filtering.
      Add generator script for MD formatted tags found.
      Add docs for tags how-to.
      
      Signed-off-by: default avatarBogdan Dobrelya <bdobrelia@mirantis.com>
      8cc84e13
  11. Jul 19, 2016
    • Bogdan Dobrelya's avatar
      Add etcd proxy support · 32cd6e99
      Bogdan Dobrelya authored
      
      
      * Enforce a etcd-proxy role to a k8s-cluster group members. This
      provides an HA layout for all of the k8s cluster internal clients.
      * Proxies to be run on each node in the group as a separate etcd
      instances with a readwrite proxy mode and listen the given endpoint,
      which is either the access_ip:2379 or the localhost:2379.
      * A notion for the 'kube_etcd_multiaccess' is: ignore endpoints and
      loadbalancers and use the etcd members IPs as a comma-separated
      list. Otherwise, clients shall use the local endpoint provided by a
      etcd-proxy instances on each etcd node. A Netwroking plugins always
      use that access mode.
      * Fix apiserver's etcd servers args to use the etcd_access_endpoint.
      * Fix networking plugins flannel/calico to use the etcd_endpoint.
      * Fix name env var for non masters to be set as well.
      * Fix etcd_client_url was not used anywhere and other etcd_* facts
      evaluation was duplicated in a few places.
      * Define proxy modes only in the env file, if not a master. Del
      an automatic proxy mode decisions for etcd nodes in init/unit scripts.
      * Use Wants= instead of Requires= as "This is the recommended way to
      hook start-up of one unit to the start-up of another unit"
      * Make apiserver/calico Wants= etcd-proxy to keep it always up
      
      Signed-off-by: default avatarBogdan Dobrelya <bdobrelia@mirantis.com>
      Co-authored-by: default avatarMatthew Mosesohn <mmosesohn@mirantis.com>
      32cd6e99
  12. Jul 04, 2016
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