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[perso/Immae/Config/Nix.git] / nixops / scripts / setup
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1#!/bin/bash
2
d07d139a 3set -euo pipefail
05ec8138 4
bcd108fe 5RemoteRepo="gitolite@git.immae.eu:perso/Immae/Prive/Password_store/Sites"
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6DeploymentUuid="cef694f3-081d-11e9-b31f-0242ec186adf"
7
8if ! which nix 2>/dev/null >/dev/null; then
9 cat <<-EOF
10 nix is needed, please install it:
11 > curl https://nixos.org/nix/install | sh
12 (or any other way handled by your distribution)
13 EOF
14 exit 1
15fi
9f5da6d7 16
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17if [ "${NIX_STORE:-/nix/store}" != "/nix/store" ]; then
18 cat <<-EOF
19 Nix store outside of /nix/store is not supported
20 EOF
21 exit 1
22fi
23
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24if [ -z "$NIXOPS_CONFIG_PASS_SUBTREE_REMOTE" \
25 -o -z "$NIXOPS_CONFIG_PASS_SUBTREE_PATH" ]; then
26 cat <<-EOF
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27 Two environment variables are needed to setup the password store:
28 NIXOPS_CONFIG_PASS_SUBTREE_PATH : path where the subtree will be imported
29 NIXOPS_CONFIG_PASS_SUBTREE_REMOTE : remote name to give to the repository
30 EOF
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31 exit 1
32fi
33
34if ! pass $NIXOPS_CONFIG_PASS_SUBTREE_PATH > /dev/null 2>/dev/null; then
35 cat <<-EOF
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36 /!\ This will modify your password store to add and import a subtree
37 with the specific passwords files. Choose a path that doesn’t exist
38 yet in your password store.
39 > pass git remote add $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE $RemoteRepo
40 > pass git subtree add --prefix=$NIXOPS_CONFIG_PASS_SUBTREE_PATH $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE master
41 Later, you can use pull_environment and push_environment scripts to
42 update the passwords when needed
43 Continue? [y/N]
44 EOF
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45 read y
46 if [ "$y" = "y" -o "$y" = "Y" ]; then
47 pass git remote add $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE $RemoteRepo
48 pass git subtree add --prefix=$NIXOPS_CONFIG_PASS_SUBTREE_PATH $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE master
49 else
50 echo "Aborting"
51 exit 1
52 fi
53fi
54
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55# Repull it before using it, just in case
56pass git subtree pull --prefix=$NIXOPS_CONFIG_PASS_SUBTREE_PATH $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE master
57
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58gpg_keys=$(pass ls $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/GPGKeys | sed -e "1d" | cut -d" " -f2)
59for key in $gpg_keys; do
60 content=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/GPGKeys/$key)
61 fpr=$(echo "$content" | gpg --import-options show-only --import --with-colons | grep -e "^pub" | cut -d':' -f5)
62 gpg --list-key "$fpr" >/dev/null 2>/dev/null && imported=yes || imported=no
63 # /usr/share/doc/gnupg/DETAILS field 2
64 (echo "$content" | gpg --import-options show-only --import --with-colons |
65 grep -E '^pub:' |
66 cut -d':' -f2 |
67 grep -q '[fu]') && signed=yes || signed=no
68 if [ "$signed" = no -o "$imported" = no ] ; then
69 echo "The key for $key needs to be imported and signed (a local signature is enough)"
70 echo "$content" | gpg --import-options show-only --import
71 echo "Continue? [y/N]"
72 read y
73 if [ "$y" = "y" -o "$y" = "Y" ]; then
74 echo "$content" | gpg --import
75 gpg --expert --edit-key "$fpr" lsign quit
76 else
77 echo "Aborting"
78 exit 1
79 fi
80 fi
81done
82
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83nix_group=$(stat -c %G /nix/store)
84if [ "$nix_group" = "nixbld" ]; then
85 nix_user="nixbld1"
86else
87 nix_user="$(stat -c %U /nix/store)"
88fi
89
9f5da6d7 90if [ ! -f /etc/ssh/ssh_rsa_key_nixops ]; then
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91 cat <<-EOF
92 The key to access private git repositories (websites hosted by the
93 server) needs to be accessible to nix builders. It will be put in
94 /etc/ssh/ssh_rsa_key_nixops (sudo right is needed for that)
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95 > pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey | sudo tee /etc/ssh/ssh_rsa_key_nixops > /dev/null
96 > pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey.pub | sudo tee /etc/ssh/ssh_rsa_key_nixops.pub > /dev/null
568d4240 97 > sudo chmod u=r,go-rwx /etc/ssh/ssh_rsa_key_nixops
df6dc085 98 > sudo chown $nix_user:$nix_group /etc/ssh/ssh_rsa_key_nixops /etc/ssh/ssh_rsa_key_nixops.pub
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99 Continue? [y/N]
100 EOF
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101 read y
102 if [ "$y" = "y" -o "$y" = "Y" ]; then
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103 if ! id -u $nix_user 2>/dev/null >/dev/null; then
104 echo "User $nix_user seems inexistant, did you install nix?"
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105 exit 1
106 fi
107 mask=$(umask)
108 umask 0777
109 # Don’t forward it directly to tee, it would break ncurse pinentry
9690acd9 110 key=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey)
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111 echo "$key" | sudo tee /etc/ssh/ssh_rsa_key_nixops > /dev/null
112 sudo chmod u=r,go=- /etc/ssh/ssh_rsa_key_nixops
9690acd9 113 pubkey=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey.pub)
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114 echo "$pubkey" | sudo tee /etc/ssh/ssh_rsa_key_nixops.pub > /dev/null
115 sudo chmod a=r /etc/ssh/ssh_rsa_key_nixops.pub
df6dc085 116 sudo chown $nix_user:$nix_group /etc/ssh/ssh_rsa_key_nixops /etc/ssh/ssh_rsa_key_nixops.pub
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117 umask $mask
118 else
119 echo "Aborting"
120 exit 1
121 fi
122fi
123
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124if nix show-config --json | jq -e '.sandbox.value == "true"' >/dev/null; then
125 cat <<-EOF
126 There are some impure derivations in the repo currently (grep __noChroot), please put
127 sandbox = "relaxed"
128 in /etc/nix/nix.conf
129 you may also want to add
130 keep-outputs = true
131 keep-derivations = true
132 to prevent garbage collector from deleting build dependencies (they take a lot of time to build)
133 EOF
134 exit 1
135fi
136
568d4240 137DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
11234d07 138source $(dirname $(dirname $DIR))/nix_path_env
fdf6f74d 139nixops="$(nix-build --no-out-link "$(dirname $DIR)/custom_nixops.nix")/bin/nixops"
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140export NIXOPS_STATE="$(dirname $DIR)/state/eldiron.nixops"
141export NIXOPS_DEPLOYMENT="$DeploymentUuid"
142
c79bb682 143if ! $nixops info 2>/dev/null >/dev/null; then
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144 cat <<-EOF
145 Importing deployment file into nixops:
146 Continue? [y/N]
147 EOF
148 read y
149 if [ "$y" = "y" -o "$y" = "Y" ]; then
9690acd9 150 deployment=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/Deployment)
c79bb682 151 echo "$deployment" | $nixops import
568d4240 152
c79bb682 153 $nixops modify "$(dirname $DIR)/eldiron.nix"
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154 else
155 echo "Aborting"
156 exit 1
34c58714 157 fi
9f5da6d7 158fi
34c58714 159
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160cat <<-EOF
161 All set up.
162 Please make sure you’re using scripts/nixops_wrap when deploying
163 EOF