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|
#!/bin/bash
set -euo pipefail
RemoteRepo="gitolite@git.immae.eu:perso/Immae/Prive/Password_store/Sites"
DeploymentUuid="cef694f3-081d-11e9-b31f-0242ec186adf"
if ! which nix 2>/dev/null >/dev/null; then
cat <<-EOF
nix is needed, please install it:
> curl https://nixos.org/nix/install | sh
(or any other way handled by your distribution)
EOF
exit 1
fi
if [ "${NIX_STORE:-/nix/store}" != "/nix/store" ]; then
cat <<-EOF
Nix store outside of /nix/store is not supported
EOF
exit 1
fi
if [ -z "$NIXOPS_CONFIG_PASS_SUBTREE_REMOTE" \
-o -z "$NIXOPS_CONFIG_PASS_SUBTREE_PATH" ]; then
cat <<-EOF
Two environment variables are needed to setup the password store:
NIXOPS_CONFIG_PASS_SUBTREE_PATH : path where the subtree will be imported
NIXOPS_CONFIG_PASS_SUBTREE_REMOTE : remote name to give to the repository
EOF
exit 1
fi
if ! pass $NIXOPS_CONFIG_PASS_SUBTREE_PATH > /dev/null 2>/dev/null; then
cat <<-EOF
/!\ This will modify your password store to add and import a subtree
with the specific passwords files. Choose a path that doesn’t exist
yet in your password store.
> pass git remote add $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE $RemoteRepo
> pass git subtree add --prefix=$NIXOPS_CONFIG_PASS_SUBTREE_PATH $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE master
Later, you can use pull_environment and push_environment scripts to
update the passwords when needed
Continue? [y/N]
EOF
read y
if [ "$y" = "y" -o "$y" = "Y" ]; then
pass git remote add $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE $RemoteRepo
pass git subtree add --prefix=$NIXOPS_CONFIG_PASS_SUBTREE_PATH $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE master
else
echo "Aborting"
exit 1
fi
fi
# Repull it before using it, just in case
pass git subtree pull --prefix=$NIXOPS_CONFIG_PASS_SUBTREE_PATH $NIXOPS_CONFIG_PASS_SUBTREE_REMOTE master
gpg_keys=$(pass ls $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/GPGKeys | sed -e "1d" | cut -d" " -f2)
for key in $gpg_keys; do
content=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/GPGKeys/$key)
fpr=$(echo "$content" | gpg --import-options show-only --import --with-colons | grep -e "^pub" | cut -d':' -f5)
gpg --list-key "$fpr" >/dev/null 2>/dev/null && imported=yes || imported=no
# /usr/share/doc/gnupg/DETAILS field 2
(echo "$content" | gpg --import-options show-only --import --with-colons |
grep -E '^pub:' |
cut -d':' -f2 |
grep -q '[fu]') && signed=yes || signed=no
if [ "$signed" = no -o "$imported" = no ] ; then
echo "The key for $key needs to be imported and signed (a local signature is enough)"
echo "$content" | gpg --import-options show-only --import
echo "Continue? [y/N]"
read y
if [ "$y" = "y" -o "$y" = "Y" ]; then
echo "$content" | gpg --import
gpg --expert --edit-key "$fpr" lsign quit
else
echo "Aborting"
exit 1
fi
fi
done
nix_group=$(stat -c %G /nix/store)
if [ "$nix_group" = "nixbld" ]; then
nix_user="nixbld1"
else
nix_user="$(stat -c %U /nix/store)"
fi
if [ ! -f /etc/ssh/ssh_rsa_key_nixops ]; then
cat <<-EOF
The key to access private git repositories (websites hosted by the
server) needs to be accessible to nix builders. It will be put in
/etc/ssh/ssh_rsa_key_nixops (sudo right is needed for that)
> pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey | sudo tee /etc/ssh/ssh_rsa_key_nixops > /dev/null
> pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey.pub | sudo tee /etc/ssh/ssh_rsa_key_nixops.pub > /dev/null
> sudo chmod u=r,go-rwx /etc/ssh/ssh_rsa_key_nixops
> sudo chown $nix_user:$nix_group /etc/ssh/ssh_rsa_key_nixops /etc/ssh/ssh_rsa_key_nixops.pub
Continue? [y/N]
EOF
read y
if [ "$y" = "y" -o "$y" = "Y" ]; then
if ! id -u $nix_user 2>/dev/null >/dev/null; then
echo "User $nix_user seems inexistant, did you install nix?"
exit 1
fi
mask=$(umask)
umask 0777
# Don’t forward it directly to tee, it would break ncurse pinentry
key=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey)
echo "$key" | sudo tee /etc/ssh/ssh_rsa_key_nixops > /dev/null
sudo chmod u=r,go=- /etc/ssh/ssh_rsa_key_nixops
pubkey=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/SshKey.pub)
echo "$pubkey" | sudo tee /etc/ssh/ssh_rsa_key_nixops.pub > /dev/null
sudo chmod a=r /etc/ssh/ssh_rsa_key_nixops.pub
sudo chown $nix_user:$nix_group /etc/ssh/ssh_rsa_key_nixops /etc/ssh/ssh_rsa_key_nixops.pub
umask $mask
else
echo "Aborting"
exit 1
fi
fi
if nix show-config --json | jq -e '.sandbox.value == "true"' >/dev/null; then
cat <<-EOF
There are some impure derivations in the repo currently (grep __noChroot), please put
sandbox = "relaxed"
in /etc/nix/nix.conf
you may also want to add
keep-outputs = true
keep-derivations = true
to prevent garbage collector from deleting build dependencies (they take a lot of time to build)
EOF
exit 1
fi
if ! which nixops 2>/dev/null >/dev/null; then
cat <<-EOF
nixops is needed:
> nix-env -i nixops
If it fails, please check that $HOME/.nix-profile/bin is in your PATH.
Continue? [y/N]
EOF
read y
if [ "$y" = "y" -o "$y" = "Y" ]; then
nix-env -i nixops
if ! which nixops 2>/dev/null >/dev/null; then
echo "Installation failed, please check that $HOME/.nix-profile/bin is in your path."
exit 1
fi
else
echo "Aborting"
exit 1
fi
fi
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
export NIXOPS_STATE="$(dirname $DIR)/state/eldiron.nixops"
export NIXOPS_DEPLOYMENT="$DeploymentUuid"
if ! nixops info 2>/dev/null >/dev/null; then
cat <<-EOF
Importing deployment file into nixops:
Continue? [y/N]
EOF
read y
if [ "$y" = "y" -o "$y" = "Y" ]; then
deployment=$(pass show $NIXOPS_CONFIG_PASS_SUBTREE_PATH/Nixops/Deployment)
echo "$deployment" | nixops import
nixops modify "$(dirname $DIR)/eldiron.nix"
else
echo "Aborting"
exit 1
fi
fi
cat <<-EOF
All set up.
Please make sure you’re using scripts/nixops_wrap when deploying
EOF
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