Drop infinite loops in favor of finite wait_for

While at it, fix some shellcheck warnings, and s/fgrep/grep -F/g.

Change-Id: I093b7b4c196731b1ecc0c27a4111955b2e412762
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
(cherry picked from commit 089585ad5370109d4c2a476b94b0017153d7713d)

7 files changed, 18 insertions, 12 deletions

diff --git a/mcp/config/states/dpdk b/mcp/config/states/dpdk
index 9eba5c083..7cee70a88 100755
--- a/mcp/config/states/dpdk
+++ b/mcp/config/states/dpdk
@@ -1,8 +1,12 @@
 #!/bin/bash
 set -x
 
+# shellcheck disable=SC1090
+source "$(dirname "${BASH_SOURCE[0]}")/../../scripts/lib.sh"
+
 salt -I 'nova:compute' system.reboot
-while true; do salt -I 'nova:compute' test.ping | grep -Fq 'Not connected' || break; done
+wait_for 90 "! salt -I 'nova:compute' test.ping | " \
+  "tee /dev/stderr | grep -Fq 'Not connected'"
 salt -I 'nova:compute' state.sls linux.network
 
 # switch to UCA repos since fuel-infra packages have bugs
diff --git a/mcp/config/states/maas b/mcp/config/states/maas
index df11d5b13..232f98c88 100755
--- a/mcp/config/states/maas
+++ b/mcp/config/states/maas
@@ -1,7 +1,7 @@
 #!/bin/bash
-# shellcheck disable=SC1090
 set -x
 
+# shellcheck disable=SC1090
 source "$(dirname "${BASH_SOURCE[0]}")/../../scripts/lib.sh"
 
 # Wait for MaaS commissioning/deploy to finish, retry on failure
diff --git a/mcp/config/states/openstack_ha b/mcp/config/states/openstack_ha
index e11135f43..c4c513da1 100755
--- a/mcp/config/states/openstack_ha
+++ b/mcp/config/states/openstack_ha
@@ -1,6 +1,9 @@
 #!/bin/bash
 set -x
 
+# shellcheck disable=SC1090
+source "$(dirname "${BASH_SOURCE[0]}")/../../scripts/lib.sh"
+
 salt -I 'keepalived:cluster' state.sls keepalived -b 1
 salt -I 'keepalived:cluster' pillar.get keepalived:cluster:instance:VIP:address
 
@@ -43,7 +46,7 @@ salt -I 'neutron:gateway' state.sls neutron.gateway
 salt -I 'nova:compute' state.sls nova
 
 salt -I 'mongodb:server' state.sls mongodb
-while true; do sleep 5; salt -C 'I@mongodb:server and *01*' cmd.run 'mongo localhost:27017/admin' && break; done
+wait_for 90 "salt -C 'I@mongodb:server and *01*' cmd.run 'mongo localhost:27017/admin'"
 salt -C 'I@mongodb:server and *01*' cmd.run 'mongo localhost:27017/admin --eval "rs.initiate()"'
 salt -C 'I@mongodb:server and *01*' state.sls mongodb
 
diff --git a/mcp/config/states/virtual_control_plane b/mcp/config/states/virtual_control_plane
index 69f26c34e..645009be8 100755
--- a/mcp/config/states/virtual_control_plane
+++ b/mcp/config/states/virtual_control_plane
@@ -1,14 +1,14 @@
 #!/bin/bash
-# shellcheck disable=SC1090
 set -x
 
+# shellcheck disable=SC1090
 source "$(dirname "${BASH_SOURCE[0]}")/../../scripts/lib.sh"
 
 # KVM, compute node prereqs (libvirt first), VCP deployment
 salt -C 'kvm*' pkg.install bridge-utils
 salt -C 'kvm*' state.apply linux.network
 salt -C 'kvm*' system.reboot
-wait_for 90 "! salt 'kvm*' test.ping | tee /dev/stderr | fgrep -q 'Not connected'"
+wait_for 90 "! salt 'kvm*' test.ping | tee /dev/stderr | grep -Fq 'Not connected'"
 
 salt -C '* and not cfg01* and not mas01*' state.apply linux,ntp
 
@@ -17,7 +17,7 @@ salt -C 'kvm*' state.sls libvirt
 salt -C '* and not cfg01* and not mas01*' state.apply salt
 salt -C 'kvm*' saltutil.sync_all
 wait_for 10 "! salt -C 'kvm*' state.sls salt.control | " \
-  "tee /dev/stderr | fgrep -q 'Not connected'"
+  "tee /dev/stderr | grep -Fq 'Not connected'"
 
 vcp_nodes=$(salt --out yaml 'kvm01*' pillar.get salt:control:cluster:internal:node | \
             awk '/\s+\w+:$/ {gsub(/:$/, "*"); print $1}')
@@ -35,7 +35,7 @@ done
 wait_for 10 "salt -C '* and not cfg01* and not mas01*' saltutil.sync_all"
 wait_for 10 "salt -C 'E@^(?!cfg01|mas01|kvm|cmp00).*' state.apply salt"
 wait_for 10 "! salt -C 'E@^(?!cfg01|mas01|kvm|cmp00).*' state.apply linux,ntp | " \
-  "tee /dev/stderr | fgrep -q 'Not connected'"
+  "tee /dev/stderr | grep -Fq 'Not connected'"
 
 wait_for 10 "salt -C 'E@^(?!cfg01|mas01|kvm|cmp00).*' ssh.set_auth_key ${SUDO_USER} \
   $(awk 'NR==1{print $2}' "$(eval echo "~${SUDO_USER}/.ssh/authorized_keys")")"
diff --git a/mcp/salt-formulas/opendaylight/client.sls b/mcp/salt-formulas/opendaylight/client.sls
index 2a56d49dd..dbffc5709 100644
--- a/mcp/salt-formulas/opendaylight/client.sls
+++ b/mcp/salt-formulas/opendaylight/client.sls
@@ -9,7 +9,7 @@ opendaylight_client_packages:
 ovs_set_manager:
   cmd.run:
   - name: "ovs-vsctl set-manager {{ client.ovsdb_server_iface }} {{ client.ovsdb_odl_iface }}"
-  - unless: "ovs-vsctl get-manager | fgrep -x {{ client.ovsdb_odl_iface }}"
+  - unless: "ovs-vsctl get-manager | grep -Fx {{ client.ovsdb_odl_iface }}"
 
 ovs_set_tunnel_endpoint:
   cmd.run:
diff --git a/mcp/scripts/lib.sh b/mcp/scripts/lib.sh
index 748c6dde1..3a6deec21 100644
--- a/mcp/scripts/lib.sh
+++ b/mcp/scripts/lib.sh
@@ -144,13 +144,13 @@ function start_vms {
 function check_connection {
   local total_attempts=60
   local sleep_time=5
-  local attempt=1
 
   set +e
   echo '[INFO] Attempting to get into Salt master ...'
 
   # wait until ssh on Salt master is available
-  while ((attempt <= total_attempts)); do
+  # shellcheck disable=SC2034
+  for attempt in $(seq "${total_attempts}"); do
     # shellcheck disable=SC2086
     ssh ${SSH_OPTS} "ubuntu@${SALT_MASTER}" uptime
     case $? in
@@ -158,7 +158,6 @@ function check_connection {
       *) echo "${attempt}/${total_attempts}> ssh server ain't ready yet, waiting for ${sleep_time} seconds ..." ;;
     esac
     sleep $sleep_time
-    ((attempt+=1))
   done
   set -e
 }
diff --git a/mcp/scripts/salt.sh b/mcp/scripts/salt.sh
index 73190e315..df0ef70fb 100755
--- a/mcp/scripts/salt.sh
+++ b/mcp/scripts/salt.sh
@@ -59,7 +59,7 @@ ssh ${SSH_OPTS} "${SSH_SALT}" bash -s -e << SALT_INSTALL_END
 
   salt-call state.apply salt
   salt '*' saltutil.sync_all
-  salt '*' state.apply salt | fgrep -q 'No response' && salt '*' state.apply salt
+  salt '*' state.apply salt | grep -Fq 'No response' && salt '*' state.apply salt
 
   salt -C 'I@salt:master' state.sls linux
   salt -C '* and not cfg01*' state.sls linux