diff --git a/devops/group_vars/all.yml b/devops/group_vars/all.yml
index 7d1b077..af991f5 100644
--- a/devops/group_vars/all.yml
+++ b/devops/group_vars/all.yml
@@ -12,7 +12,8 @@ tmpfs: true
 
 ### provision things
 
-golang_link: https://dl.google.com/go/go1.11.2.linux-amd64.tar.gz
+golang_link: https://dl.google.com/go/go1.11.10.linux-amd64.tar.gz
+# golang_link: https://dl.google.com/go/go1.11.2.linux-amd64.tar.gz
 # golang_link: https://dl.google.com/go/go1.11.4.linux-amd64.tar.gz
 # golang_link: https://dl.google.com/go/go1.11.6.linux-amd64.tar.gz
 # golang_link: https://dl.google.com/go/go1.12.1.linux-amd64.tar.gz
diff --git a/go/go.sum b/go/go.sum
index ccbb7dc..73d9090 100644
--- a/go/go.sum
+++ b/go/go.sum
@@ -1,6 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/coreos/etcd v3.3.10+incompatible h1:KjVWqrZ5U0wa3CxY2AxlH6/UcB+PK2td1DcsYhA+HRs=
+github.com/coreos/etcd v3.3.10+incompatible h1:jFneRYjIvLMLhDLCzuTuU4rSJUjRplcJQ7pD7MnhC04=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-systemd v0.0.0-20181031085051-9002847aa142 h1:3jFq2xL4ZajGK4aZY8jz+DAF0FHjI51BXjjSwCzS1Dk=
 github.com/coreos/go-systemd v0.0.0-20181031085051-9002847aa142/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
@@ -10,8 +10,6 @@ github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/godbus/dbus v0.0.0-20181025153459-66d97aec3384 h1:xNwo3yd3PZYRDAr/Dz0sBfDWY6El2xPCKJrwJVfMFjY=
 github.com/godbus/dbus v0.0.0-20181025153459-66d97aec3384/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw=
-github.com/godbus/dbus v4.1.0+incompatible h1:WqqLRTsQic3apZUK9qC5sGNfXthmPXzUZ7nQPrNITa4=
-github.com/godbus/dbus v4.1.0+incompatible/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw=
 github.com/gogo/protobuf v1.1.1 h1:72R+M5VuhED/KujmZVcIquuo8mBgX4oVda//DQb3PXo=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
@@ -33,7 +31,7 @@ github.com/spf13/cobra v0.0.3 h1:ZlrZ4XsMRm04Fr5pSFxBgfND2EBVa1nLpiy1stUsX/8=
 github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-go.etcd.io/etcd v3.3.10+incompatible h1:9251umuNs2WD8vm8D3Tu9PFbzoT8evUluB3VgSRKWzI=
+go.etcd.io/etcd v3.3.10+incompatible h1:qXVcIR1kU3CYLD8zXDseOmBNwg0uaui53e4Wg4uj0rk=
 go.etcd.io/etcd v3.3.10+incompatible/go.mod h1:yaeTdrJi5lOmYerz05bd8+V7KubZs8YSFZfzsF9A6aI=
 go.uber.org/atomic v1.3.2 h1:2Oa65PReHzfn29GpvgsYwloV9AVFHPDk8tYxt2c2tr4=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=